Cheap flights from Perth to Bangkok Suvarnabhumi Airport from $202
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/2. Fares are subject to change and may not be available on all flights or dates of travel.
PER — BKK
27 Jan — 3 Feb1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Perth to Bangkok Suvarnabhumi are usually found in May or August, booked 48 days in advance, depart on a Monday or Wednesday and return on a Sunday
Cheap flight deals from Perth to Suvarnabhumi
Enter your travel dates to find the best prices.
Cheapest flights from Perth to Suvarnabhumi
Explore the most affordable flight options available from Perth to Suvarnabhumi. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 December 2025.
Sun 28/1214:35PER - BKK
Nonstop7h 00mMultiple Airlines
Tue 17/220:15BKK - PER
1 stop31h 00mMultiple Airlines
Deal found 25/12$923
Sun 28/1214:35PER - BKK
Nonstop7h 00mMultiple Airlines
Wed 18/222:55BKK - PER
1 stop16h 35mMultiple Airlines
Deal found 25/12$948
Wed 31/1214:35PER - BKK
Nonstop7h 00mMultiple Airlines
Fri 9/122:55BKK - PER
2 stops28h 10mMultiple Airlines
Deal found 26/12$955
Wed 31/1214:35PER - BKK
Nonstop7h 00mMultiple Airlines
Wed 7/109:15BKK - PER
2 stops18h 25mMultiple Airlines
Deal found 26/12$990
Sun 28/1216:15PER - BKK
1 stop19h 00mMalaysia Airlines
Wed 18/214:15BKK - PER
1 stop10h 10mMalaysia Airlines
Deal found 27/12$1,019
Sun 28/1214:35PER - BKK
Nonstop7h 00mJetstar
Wed 18/221:50BKK - PER
Nonstop6h 50mJetstar
Deal found 25/12$1,025
Wed 31/1214:35PER - BKK
Nonstop7h 00mJetstar
Wed 7/121:50BKK - PER
Nonstop6h 50mJetstar
Deal found 26/12$1,046
Wed 31/1214:35PER - BKK
Nonstop7h 00mJetstar
Fri 9/121:50BKK - PER
Nonstop6h 50mJetstar
Deal found 26/12$1,057
Tue 30/1207:35PER - BKK
1 stop12h 30mMultiple Airlines
Tue 13/109:15BKK - PER
2 stops15h 20mMultiple Airlines
Deal found 27/12$1,088
Best flights from Perth to Suvarnabhumi
Discover carefully curated flight deals from Perth to Suvarnabhumi that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 28 December 2025.
Wed 4/214:35PER - BKK
Nonstop7h 00mJetstar
Wed 18/221:50BKK - PER
Nonstop6h 50mJetstar
Deal found 27/12$437
Sun 8/305:35PER - BKK
2 stops11h 20mMultiple Airlines
Sat 28/317:00BKK - PER
1 stop10h 15mMultiple Airlines
Deal found 27/12$496
Wed 11/202:25PER - BKK
1 stop16h 15mMalaysia Airlines
Wed 18/211:05BKK - PER
1 stop13h 20mMalaysia Airlines
Deal found 26/12$796
Mon 9/214:35PER - BKK
Nonstop7h 00mJetstar
Sun 22/221:50BKK - PER
Nonstop6h 50mJetstar
Deal found 26/12$479
Fri 23/114:35PER - BKK
Nonstop7h 00mJetstar
Sun 1/221:50BKK - PER
Nonstop6h 50mJetstar
Deal found 26/12$583
Thu 15/107:25PER - BKK
2 stops35h 00mMultiple Airlines
Sun 18/118:25BKK - PER
2 stops29h 50mMultiple Airlines
Deal found 27/12$707
Thu 15/105:35PER - BKK
1 stop11h 25mMultiple Airlines
Tue 20/122:55BKK - PER
2 stops25h 20mMultiple Airlines
Deal found 27/12$707
Tue 10/216:15PER - BKK
1 stop22h 10mMalaysia Airlines
Tue 24/211:05BKK - PER
1 stop13h 20mMalaysia Airlines
Deal found 27/12$801
Thu 12/202:25PER - BKK
1 stop14h 40mMalaysia Airlines
Sun 22/205:40BKK - PER
1 stop18h 45mMalaysia Airlines
Deal found 26/12$817
Tue 17/205:35PER - BKK
1 stop14h 30mMultiple Airlines
Wed 25/200:01BKK - PER
Nonstop6h 54mMultiple Airlines
Deal found 27/12$746
Sat 14/216:15PER - BKK
1 stop26h 25mMalaysia Airlines
Wed 25/214:15BKK - PER
1 stop10h 10mMalaysia Airlines
Deal found 26/12$820
Direct flights from Perth to Suvarnabhumi
Explore direct flight options from Perth to Suvarnabhumi based on user searches, and compare prices and availability for your desired travel dates. Data last updated 28 December 2025.
Wed 4/214:35PER - BKK
Nonstop7h 00mJetstar
Wed 18/221:50BKK - PER
Nonstop6h 50mJetstar
Deal found 27/12$437
Fri 13/214:35PER - BKK
Nonstop7h 00mJetstar
Mon 23/221:50BKK - PER
Nonstop6h 50mJetstar
Deal found 27/12$440
Wed 4/214:35PER - BKK
Nonstop7h 00mJetstar
Wed 25/221:50BKK - PER
Nonstop6h 50mJetstar
Deal found 27/12$457
Sun 8/214:35PER - BKK
Nonstop7h 00mJetstar
Sun 8/321:50BKK - PER
Nonstop6h 50mJetstar
Deal found 27/12$460
Sun 8/214:35PER - BKK
Nonstop7h 00mJetstar
Sun 22/221:50BKK - PER
Nonstop6h 50mJetstar
Deal found 26/12$470
Sun 8/214:35PER - BKK
Nonstop7h 00mJetstar
Wed 18/221:50BKK - PER
Nonstop6h 50mJetstar
Deal found 26/12$472
Mon 9/214:35PER - BKK
Nonstop7h 00mJetstar
Mon 16/221:50BKK - PER
Nonstop6h 50mJetstar
Deal found 26/12$473
Fri 13/214:35PER - BKK
Nonstop7h 00mJetstar
Wed 18/221:50BKK - PER
Nonstop6h 50mJetstar
Deal found 26/12$479
Sun 8/214:35PER - BKK
Nonstop7h 00mJetstar
Fri 20/221:50BKK - PER
Nonstop6h 50mJetstar
Deal found 27/12$481
Mon 2/214:35PER - BKK
Nonstop7h 00mJetstar
Wed 18/221:50BKK - PER
Nonstop6h 50mJetstar
Deal found 26/12$501
Last-minute flights from Perth to Suvarnabhumi
Discover last-minute flight deals from Perth to Suvarnabhumi. Data last updated 28 December 2025 and is based on user searches.
Thu 15/117:45PER - BKK
1 stop24h 40mMultiple Airlines
Sun 15/220:05BKK - PER
1 stop11h 45mMultiple Airlines
Deal found 26/12$522
Wed 21/114:35PER - BKK
Nonstop7h 00mMultiple Airlines
Tue 10/222:55BKK - PER
2 stops28h 45mMultiple Airlines
Deal found 26/12$507
Fri 23/114:35PER - BKK
Nonstop7h 00mMultiple Airlines
Sun 1/222:55BKK - PER
2 stops34h 55mMultiple Airlines
Deal found 26/12$497
Sun 25/114:35PER - BKK
Nonstop7h 00mMultiple Airlines
Sun 1/222:55BKK - PER
2 stops34h 55mMultiple Airlines
Deal found 26/12$498
Tue 27/117:45PER - BKK
1 stop24h 40mMultiple Airlines
Fri 13/221:50BKK - PER
Nonstop6h 50mMultiple Airlines
Deal found 25/12$543
One-way flights from Perth to Suvarnabhumi
Search for one-way flight options from Perth to Suvarnabhumi. Find affordable one-way fares based on user searches. Data last updated 28 December 2025.
Tue 17/205:35PER - BKK
1 stop14h 30mScoot
Deal found 27/12$202
Fri 13/214:35PER - BKK
Nonstop7h 00mJetstar
Deal found 27/12$204
Mon 16/217:45PER - BKK
1 stop26h 20mScoot
Deal found 27/12$205
Wed 18/214:35PER - BKK
Nonstop7h 00mJetstar
Deal found 27/12$207
Sun 8/214:35PER - BKK
Nonstop7h 00mJetstar
Deal found 24/12$208
Tue 17/305:35PER - BKK
1 stop11h 25mScoot
Deal found 26/12$210
Sun 15/217:45PER - BKK
1 stop24h 15mScoot
Deal found 26/12$211
Fri 16/114:35PER - BKK
Nonstop7h 00mJetstar
Deal found 27/12$213
Fri 30/114:35PER - BKK
Nonstop7h 00mJetstar
Deal found 26/12$214
Tue 9/621:55PER - BKK
1 stop13h 00mScoot
Deal found 26/12$216
Sat 31/105:35PER - BKK
1 stop17h 35mScoot
Deal found 27/12$219
Sun 1/214:35PER - BKK
Nonstop7h 00mJetstar
Deal found 26/12$222
Find flight deals from Perth to Suvarnabhumi
Discover tips and strategies to find the most affordable flight options for your journey from Perth (PER) to Suvarnabhumi (BKK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 December 2025.
Customise your flight search to find flights from Perth to Suvarnabhumi that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 28 December 2025.
Use the filters below to find and compare flights from Perth to Bangkok Suvarnabhumi Airport that are best for you.
Fly from
Perth
Fly to
Suvarnabhumi
Route
Depart
Return
Price
PerthBangkok
PER - BKK
PERBKK
Perth
Wed 4/2
14:35-20:35
Nonstop7h 00m
Bangkok Suvarnabhumi
Wed 18/2
21:50-05:40
Nonstop6h 50m
$437
PerthBangkok
PER - BKK
PERBKK
Perth
Mon 9/2
14:35-20:35
Nonstop7h 00m
Bangkok Suvarnabhumi
Sun 22/2
21:50-05:40
Nonstop6h 50m
$479
PerthBangkok
PER - BKK
PERBKK
Perth
Sun 8/3
05:35-15:55
2 stops11h 20m
Bangkok Suvarnabhumi
Sat 28/3
17:00-04:15
1 stop10h 15m
$496
PerthBangkok
PER - BKK
PERBKK
Perth
Fri 23/1
14:35-20:35
Nonstop7h 00m
Bangkok Suvarnabhumi
Sun 1/2
21:50-05:40
Nonstop6h 50m
$583
PerthBangkok
PER - BKK
PERBKK
Perth
Thu 15/1
07:25-17:25
2 stops35h 00m
Bangkok Suvarnabhumi
Sun 18/1
18:25-01:15
2 stops29h 50m
$707
PerthBangkok
PER - BKK
PERBKK
Perth
Thu 15/1
05:35-16:00
1 stop11h 25m
Bangkok Suvarnabhumi
Tue 20/1
22:55-01:15
2 stops25h 20m
$707
PerthBangkok
PER - BKK
PERBKK
Perth
Tue 17/2
05:35-19:05
1 stop14h 30m
Bangkok Suvarnabhumi
Wed 25/2
00:01-07:55
Nonstop6h 54m
$746
PerthBangkok
PER - BKK
PERBKK
Perth
Wed 11/2
02:25-17:40
1 stop16h 15m
Bangkok Suvarnabhumi
Wed 18/2
11:05-01:25
1 stop13h 20m
$796
PerthBangkok
PER - BKK
PERBKK
Perth
Tue 10/2
16:15-13:25
1 stop22h 10m
Bangkok Suvarnabhumi
Tue 24/2
11:05-01:25
1 stop13h 20m
$801
PerthBangkok
PER - BKK
PERBKK
Perth
Thu 12/2
02:25-16:05
1 stop14h 40m
Bangkok Suvarnabhumi
Sun 22/2
05:40-01:25
1 stop18h 45m
$817
Flights are sorted by cheapest return flights first.
Deals found on 27/12
Showing 1-10 of 22 results
1
2
3
Best time to book a flight from Perth to Suvarnabhumi
Have a flexible travel schedule? Discover the best time to fly to Suvarnabhumi from Perth with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Perth to Bangkok Suvarnabhumi Airport
Prices
Delays
More
How far ahead should I book a flight from Perth to Bangkok Suvarnabhumi Airport?
Use this chart to determine the optimal time to book a return flight from Perth to Suvarnabhumi. Price data was last updated on 26 December 2025.
The best time to book flights from Perth to Bangkok Suvarnabhumi Airport is 48 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Perth to Bangkok Suvarnabhumi Airport?
Currently, August is the cheapest month in which you can book a flight from Perth to Bangkok Suvarnabhumi Airport (average of $225). Flying from Perth to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $479). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from PER to BKK?
Find hourly flight availability from Perth to Suvarnabhumi. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 December 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Perth to Bangkok Suvarnabhumi Airport as you normally would.
How much does it cost for a return flight from Perth to Bangkok Suvarnabhumi Airport?
How often are flights from Perth to Bangkok delayed?
About 27% of weekly flights between Perth and Bangkok have experienced delays in the past year, with the average delay time being 117 minutes.
What is the most punctual flight time for Perth to Bangkok flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Thursday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Perth to Bangkok flights?
Over the past year, Thai Airways have had the lowest number of delays on this route, with just 24% of flights being delayed.
What’s the top stopover airport for flights from Perth to Bangkok Suvarnabhumi Airport?
Share of one-stop return flights from Perth to Bangkok Suvarnabhumi Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Singapore (SIN) – chosen by Cheapflights users on 65% of one-stop itineraries from Perth to Bangkok Suvarnabhumi Airport on Cheapflights.
What’s the cheapest stopover airport for flights from Perth to Bangkok Suvarnabhumi Airport?
Average return fare for one-stop flights from Perth to Bangkok Suvarnabhumi Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Denpasar (DPS) is the most affordable one-stop option, with an average return flight price of $555.
What’s the fastest stopover option from Perth to Bangkok Suvarnabhumi Airport?
Shortest average travel time for one-stop one-way flights from Perth to Bangkok Suvarnabhumi Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Jakarta (CGK) have the shortest average one-way travel time for one-stop routes: 10h 51m.
Which airport typically offers the quickest stopover for flights from Perth to Bangkok Suvarnabhumi Airport?
Average stopover duration for one-stop one-way flights from Perth to Bangkok Suvarnabhumi Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Manila (MNL) offer the fastest connection on this route, with an average stopover time of 2h 29m.
Reviews of airlines servicing Suvarnabhumi
Get insights into the airlines that provide service to Suvarnabhumi. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Suvarnabhumi. Reviews last updated 28 December 2025.
See what other customers who have flown with Singapore Airlines, Thai Airways, andMalaysia Airlines from Perth to Bangkok Suvarnabhumi Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Very kind staff to arrange my luggage and really appreciate all help.
Related info for your journey
Find useful and relevant information for your journey from Perth to Suvarnabhumi. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly from for flights from Perth to Bangkok Suvarnabhumi?
Perth (PER), located 10.2 km from the city centre, is the airport you fly out of when you book flights from Perth to Bangkok Suvarnabhumi. 12 airlines have flights from Perth to Bangkok Suvarnabhumi on a regular basis. Booking flights from Perth to Bangkok Suvarnabhumi should not be difficult; the airport handles an average of 3 outbound flights to Bangkok Suvarnabhumi per day.
How long is the flight from Perth to Bangkok Suvarnabhumi Airport?
Airlines like Jetstar fly from Perth to Bangkok Suvarnabhumi Airport in about 7h. The time it takes to get you to your destination is usually consistent. There are 5324 km between Perth and Bangkok Suvarnabhumi Airport. Most flights are nonstop.
What are the cheapest airlines flying from Perth to Bangkok Suvarnabhumi Airport round-trip?
According to our current data, AirAsia ($194), Jetstar ($198), and VietJet Air ($234) offers the cheapest pricing from Perth to Bangkok Suvarnabhumi Airport. You may be able to fly from Perth to Bangkok Suvarnabhumi Airport for 66% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Perth to Bangkok Suvarnabhumi Airport one-way?
$159 is the cheapest one-way deal found within the past few days, from Scoot. You may also be able to find cheap deals on Jetstar and AirAsia, with prices starting from $184 and $187, respectively.
What are the most reliable airlines from Perth to Bangkok Suvarnabhumi Airport?
Consider Lufthansa (96%), Thai Airways (75%) or Turkish Airlines (75%) when booking your flight. These represent the most reliable airlines when flying from Perth to Bangkok Suvarnabhumi Airport.
What are the cheapest flights from Perth to Bangkok Suvarnabhumi Airport?
Looking at all options, your cheapest flight can be booked for $260. While the most popular route (Perth - Bangkok Suvarnabhumi) can be booked for $345 on average, our data indicates $2,298 when flying from Perth to Bangkok Suvarnabhumi Airport.
Where are the most common stopover locations when flying from Perth to Bangkok Suvarnabhumi Airport?
Of the flights from Perth to Bangkok Suvarnabhumi Airport that have stopovers, most of them stop in Singapore. Singapore is followed by Kuala Lumpur in terms of the most popular stopover location on flights from Perth to Bangkok Suvarnabhumi Airport.
What are some popular things to do or see while on a stopover in Singapore?
Sentosa, Merlion, and Universal Studios Singapore are currently the most popular points of interest in Singapore at the moment. Travellers on a stopover Singapore can visit Sentosa, Merlion, and Universal Studios Singapore, by traveling 21.6 km, 16.9 km, and 21.6 km, respectively after landing at Singapore Changi. Those landing in Singapore looking to spend some time exploring during their stopover can hire a car for about $132 per day.
What are some popular points of interest to see during a stopover in Kuala Lumpur?
Kuala Lumpur travellers tend to visit Berjaya Times Square, Petronas Towers, and National Mosque of Malaysia more than any other notable places. Travellers on a stopover in Kuala Lumpur can visit Berjaya Times Square, Petronas Towers, and National Mosque of Malaysia, by travelling 44.9 km, 46.6 km, and 44.8 km, respectively after landing at Kuala Lumpur Intl. Travellers can rent a car at Kuala Lumpur Intl for an average daily rate of $44 to make sightseeing during their stopover a little easier.
Where are the least popular stopover locations for Perth to Bangkok Suvarnabhumi Airport flights?
Flights departing from Perth and landing in Bangkok Suvarnabhumi Airport stopover in Jakarta least frequently.
Can I find deals for flights from Perth to Suvarnabhumi that include hotel bookings?
Yes. In addition to deals on Perth to Suvarnabhumi flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Perth to Suvarnabhumi?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Perth to Suvarnabhumi.
Can I find deals for business class flights from Perth to Suvarnabhumi?
Yes. Cheapflights offers flight deals from Perth to Suvarnabhumi by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Perth to Bangkok Suvarnabhumi Airport?
Currently, August is the cheapest month in which you can book a flight from Perth to Bangkok Suvarnabhumi Airport (average of $225). Flying from Perth to Bangkok Suvarnabhumi Airport in December is currently the most expensive (average of $479). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Travelling to a place near Bangkok Suvarnabhumi Airport?
Book flights to Bangkok Suvarnabhumi Airport if you plan to visit one of these locations
Chonburi
Ko Samet
Kanchanaburi
Sattahip
Cha-am
Ayutthaya
Ko Lan
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Fly from Perth to Suvarnabhumi on these airlines
Choose from the following airlines for your flight from Perth to Suvarnabhumi. Flights are based on user searches made on Cheapflights and were last updated on 28 December 2025.
Explore flights to Suvarnabhumi departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 28 December 2025.
Discover the top 10 airlines that operate flights from Perth to Suvarnabhumi. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 28 December 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Perth to Suvarnabhumi?
When you search for this flight from Perth to Suvarnabhumi, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Perth to Suvarnabhumi?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Perth to Suvarnabhumi for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Perth to Suvarnabhumi with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Perth to Suvarnabhumi flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Perth to Suvarnabhumi become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.