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$701+ Cheap flights to Seattle

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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
— SEA
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

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Cheapest flights to Seattle
Explore the most affordable flight options available to Seattle. Find the lowest fares based on data from user searches, with prices last updated on 27 November 2025.

Thu 4/1211:20SYD - SEA
1 stop17h 11mAir Canada
Mon 8/1220:00SEA - SYD
1 stop39h 55mAir Canada
Deal found 26/11$1,245
Thu 4/1212:10SYD - SEA
1 stop19h 08mUnited Airlines
Mon 8/1223:59SEA - SYD
2 stops38h 16mUnited Airlines
Deal found 26/11$1,304
Thu 11/1216:00SYD - SEA
1 stop36h 31mAir Canada
Mon 29/1220:00SEA - SYD
1 stop39h 55mAir Canada
Deal found 26/11$1,319
Sun 7/1211:20SYD - SEA
1 stop30h 05mAmerican Airlines
Sun 14/1213:54SEA - SYD
2 stops24h 06mAmerican Airlines
Deal found 26/11$1,353
Sun 7/1214:00SYD - SEA
2 stops23h 25mUnited Airlines
Sun 14/1210:40SEA - SYD
2 stops27h 25mUnited Airlines
Deal found 26/11$1,379
Thu 11/1217:45SYD - SEA
1 stop19h 48mMultiple Airlines
Thu 1/116:49SEA - SYD
1 stop19h 36mMultiple Airlines
Deal found 26/11$1,448
Thu 4/1217:00SYD - SEA
2 stops22h 35mQantas Airways
Mon 8/1206:25SEA - SYD
2 stops32h 55mQantas Airways
Deal found 26/11$1,542
Thu 4/1216:00SYD - SEA
1 stop22h 16mAir Canada
Sun 25/115:40SEA - SYD
2 stops29h 15mAir Canada
Deal found 25/11$1,621
Thu 11/1216:00SYD - SEA
1 stop22h 16mAir Canada
Thu 1/110:05SEA - SYD
2 stops51h 35mAir Canada
Deal found 26/11$1,622
Thu 4/1221:40SYD - SEA
1 stop21h 06mAlaska Airlines
Mon 8/1218:32SEA - SYD
2 stops54h 13mAlaska Airlines
Deal found 26/11$1,667

Flights to Seattle in 2025

Find the latest flights to Seattle in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 27 November 2025.

Return from

$1,268

One-way from

$701

Popular in

July

Cheapest in

August

Average price

$1,624
Air Canada
  • Air Canada
  • 5/3-9/3
  • 3 total stops
  • 52h 46m total
  • Sydney to Seattle
Search Deals
18/1
  • 18/1
  • 2 total stops
  • 37h 28m total
  • Sydney to Seattle
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($42 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($40 potential savings vs. average return price).
Search Deals
Average for return flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Locate flights to Seattle that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 647,157 searches and data was last updated on 27 November 2025.
Use the filters below to find and compare flights to Seattle that are best for you.

Fly from

Sydney

Route

Depart

Return

Price

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 5/3

08:30-15:01

2 stops25h 31m

Seattle/Tacoma Intl

Mon 9/3

20:00-14:40

2 stops24h 40m

$1,298

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 15/2

19:15-09:31

2 stops33h 16m

Seattle/Tacoma Intl

Sun 22/2

10:05-09:35

1 stop28h 30m

$1,318

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 10/5

09:10-11:56

1 stop19h 46m

Seattle/Tacoma Intl

Fri 5/6

18:52-07:30

1 stop19h 38m

$1,364

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 10/5

09:30-14:55

1 stop22h 25m

Seattle/Tacoma Intl

Thu 4/6

00:10-07:30

1 stop38h 20m

$1,398

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 5/3

12:10-11:24

1 stop18h 14m

Seattle/Tacoma Intl

Mon 9/3

23:59-07:00

1 stop37h 01m

$1,404

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 11/12

17:45-18:33

1 stop19h 48m

Seattle/Tacoma Intl

Thu 1/1

16:49-07:25

1 stop19h 36m

$1,448

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 10/5

10:20-18:09

2 stops24h 49m

Seattle/Tacoma Intl

Fri 5/6

11:11-07:00

2 stops26h 49m

$1,453

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 15/2

10:20-13:55

1 stop22h 35m

Seattle/Tacoma Intl

Sat 21/2

00:10-08:20

1 stop37h 10m

$1,571

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 5/3

17:30-19:58

2 stops21h 28m

Seattle/Tacoma Intl

Mon 9/3

16:50-09:50

2 stops23h 00m

$1,582

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sat 14/3

14:00-19:58

2 stops23h 58m

Seattle/Tacoma Intl

Sun 29/3

18:00-12:45

2 stops24h 45m

$1,588

Flights are sorted by cheapest return flights first.

Deals found on 26/11

Showing 1-10 of 18 results
1
2

Best time to book a flight to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle 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 to Seattle

When is the best time to book a flight to Seattle?

Use this chart to determine the optimal time to book a return flight from Sydney to Seattle. Price data was last updated on 21 November 2025.

The best time to book flights to Seattle is 39 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.

When is the cheapest time to fly to Seattle?

Use this chart to determine the cheapest time to fly return from Sydney to Seattle. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Seattle should consider flying on Saturday at midday, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday afternoons, when prices are usually at their highest.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated 27 November 2025.
See what other customers who have flown with Delta, Hawaiian Airlines, andQantas Airways to the United States have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,004 reviews
Check prices

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,004 reviews
Delta
7.9
Good
8,004 reviews
Check prices

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Hawaiian Airlines
7.8
Good
2,815 reviews
Delta
7.9
Good
8,004 reviews
Check prices

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Qantas Airways
7.5
Good
946 reviews
Delta
7.9
Good
8,004 reviews
Check prices

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,050 reviews
Delta
7.9
Good
8,004 reviews
Check prices

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,481 reviews
Delta
7.9
Good
8,004 reviews
Check prices

Overall

7.9

Entertainment

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

FAQs about flying to Seattle

Getting around Seattle

Seattle-Tacoma International Airport (SEA), also known as Sea-Tac, is the city’s major airport. It is 16 km from the city centre. There are several options for getting into the city. The Link Light Rail is a convenient choice, taking just over 30 minutes to reach the centre. Shuttle buses are useful for those with a lot of luggage. There are also taxis and rental cars.

The Metro Transit system of buses, including electric and hybrid buses, is useful and tourist-friendly, though drivers do not carry change. Express routes are offered by some buses. Other options include the streetcar and the monorail, connecting with major attractions. The Washington State Ferries are a tourist attraction in their own right.

Seattle is generally safe, though common sense should be applied at all times and it can be best to avoid parks at night.

  • What airport do you fly into for flights to Seattle?

    Seattle/Tacoma Intl (SEA), located 18.4 km from the city centre, is the airport you fly into when you book flights to Seattle.

  • Can I find cheaper flights to Seattle if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Seattle on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Seattle?

    Based on reviews from Cheapflights users, Air New Zealand is rated the highest out of the airlines that fly to Seattle.

  • What is the cheapest airport to fly to in Seattle?

    Seattle/Tacoma Intl is currently the cheapest airport to fly to in Seattle. One-way flights to Seattle/Tacoma Intl typically cost $134, while return flights cost around $1,642.

  • How much is a return flight to Seattle?

    A return flight to Seattle will typically cost around $1,642, however they can be found for as little as $1,642.

  • Where does the fastest flight to Seattle depart from?

    For those looking to save time traveling to Seattle, Sydney Kingsford Smith offers the quickest one-way flight (18 hours 43 minutes).

  • Does Seattle/Tacoma Intl have car hire?

    Yes. Those touching down at Seattle/Tacoma Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Seattle/Tacoma Intl?

    Yes. Seattle/Tacoma Intl has hotels nearby for those requiring accommodations. Seatac Inn is the closest property to Seattle/Tacoma Intl (0.0 km away from Seattle/Tacoma Intl).

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Ocean Shores

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How does Cheapflights help users find flights to Seattle?

Deals for Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seattle.

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Certainly. Search results for flights to Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Yes, Cheapflights offers price alerts on Seattle flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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