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Cheap flights from Adelaide to Seattle from $1,072

ADL — SEA
18 Sep — 25 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Adelaide to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Adelaide to Seattle

Mon 19/1018:35 -
1 stop31h 40m
Wed 18/1108:45 -
1 stop29h 35m
Deal found 16/8$1,754
Tue 3/1114:30 -
2 stops35h 05m
Wed 2/1208:40 -
1 stop38h 10m
Deal found 17/8$1,812
Tue 24/1106:10 -
2 stops30h 42m
Tue 15/1215:15 -
2 stops25h 10m
Deal found 16/8$1,893
Tue 3/1122:00 -
1 stop32h 10m
Wed 2/1215:50 -
1 stop29h 35m
Deal found 17/8$1,905
Tue 3/1114:30 -
2 stops25h 25m
Wed 2/1207:00 -
2 stops30h 40m
Deal found 17/8$1,910
Tue 24/1106:10 -
2 stops21h 47m
Tue 15/1215:15 -
2 stops25h 10m
Deal found 18/8$1,965
Mon 19/1019:10 -
2 stops43h 54m
Wed 18/1116:15 -
2 stops48h 15m
Deal found 16/8$1,967

Find flight deals from Adelaide to Seattle

Round-trip from

$1,754

One-way from

$1,072
Singapore Airlines
  • Singapore Airlines
  • 19/10-18/11
  • 2 total stops
  • 61h 15m total
  • Adelaide to Seattle
Search Deals
30/9
  • 30/9
  • 2 total stops
  • 45h 10m total
  • Adelaide to Seattle
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Adelaide to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 24/11

06:10-18:22

2 stops30h 42m

Seattle/Tacoma Intl

Tue 15/12

15:15-10:55

2 stops25h 10m

$1,893

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 3/11

22:00-11:40

1 stop32h 10m

Seattle/Tacoma Intl

Wed 2/12

15:50-15:55

1 stop29h 35m

$1,905

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 3/11

10:15-07:05

1 stop39h 20m

Seattle/Tacoma Intl

Wed 2/12

08:40-17:20

1 stop38h 10m

$1,941

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Thu 1/10

06:05-23:26

2 stops33h 51m

Seattle/Tacoma Intl

Thu 8/10

15:25-13:55

2 stops29h 00m

$2,236

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Sat 9/1

06:00-11:33

2 stops24h 03m

Seattle/Tacoma Intl

Sun 24/1

22:40-09:30

2 stops40h 20m

$2,308

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 24/11

18:20-07:05

2 stops31h 15m

Seattle/Tacoma Intl

Tue 15/12

08:40-08:50

1 stop29h 40m

$2,392
Fastest return journey

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Mon 19/10

14:25-19:50

2 stops22h 55m

Seattle/Tacoma Intl

Wed 18/11

13:50-11:00

3 stops26h 40m

$2,463

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Wed 30/9

22:00-12:25

1 stop30h 55m

Seattle/Tacoma Intl

Wed 7/10

16:25-16:00

1 stop30h 05m

$2,620

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Thu 1/10

22:00-12:25

1 stop30h 55m

Seattle/Tacoma Intl

Thu 8/10

16:25-16:00

1 stop30h 05m

$2,658
Cheapest one-way

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Mon 31/8

06:00-23:21

2 stops33h 51m

$1,200

Flights are sorted by cheapest return flights first.

Deals found on 17/8

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Adelaide to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Adelaide with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Adelaide to Seattle

What’s the top stopover airport for flights from Adelaide to Seattle?

Singapore (SIN) – chosen by Cheapflights users on 50% of one-stop itineraries from Adelaide to Seattle on Cheapflights.

What’s the cheapest stopover airport for flights from Adelaide to Seattle?

San Francisco (SFO) is the most affordable one-stop option, with an average return flight price of $1,497.

What’s the fastest stopover option from Adelaide to Seattle?

Flights via San Francisco (SFO) have the shortest average one-way travel time for one-stop routes: 19h 17m.

Which airport typically offers the quickest stopover for flights from Adelaide to Seattle?

Flights via San Francisco (SFO) offer the fastest connection on this route, with an average stopover time of 1h 44m.

Reviews of airlines servicing Seattle

See what other customers who have flown with Air Canada from Adelaide to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
11,501 reviews
Check prices

Boarding

7.3

Comfort

7.1

Entertainment

6.8

Food

6.3

Crew

7.8

Overall

7.1

Reviews

1 / 20
6.0
Good

Paula,Mar 2026

YVR - PSP

Everything was OK, but we waited on the tarmac for an hour and 20 minutes after landing because there was no available gate. This is a daily occurrence at the Palm Springs airport, and happens with Air Canada and WestJet constantly.
Air Canada
7.1
Good
11,501 reviews
Air Canada
7.1
Good
11,501 reviews
Check prices

Boarding

7.3

Comfort

7.1

Entertainment

6.8

Food

6.3

Crew

7.8

Overall

7.1

Reviews

1 / 20
6.0
Good

Paula,Mar 2026

YVR - PSP

Everything was OK, but we waited on the tarmac for an hour and 20 minutes after landing because there was no available gate. This is a daily occurrence at the Palm Springs airport, and happens with Air Canada and WestJet constantly.

Related info for your journey

  • How long is the flight from Adelaide to Seattle?

    Air Canada, Qatar Airways, and Singapore Airlines can get you from Adelaide to Seattle in just under 30h 42m. Your travel time can differ by up to 8h 38m. There are 13409 km between Adelaide and Seattle. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Adelaide to Seattle round-trip?

    According to our current data, Air Canada ($1,174), offers the cheapest pricing from Adelaide to Seattle.

  • Can I find deals for flights from Adelaide to Seattle that include hotel bookings?

    Yes. In addition to deals on Adelaide to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Adelaide to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Adelaide to Seattle.

  • Can I find deals for business class flights from Adelaide to Seattle?

    Yes. Cheapflights offers flight deals from Adelaide to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Seattle?

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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Adelaide to Seattle

Adelaide to Portland flights

Top airline flying from Adelaide to Seattle

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,174Average$1,459FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

How does Cheapflights help users find flights from Adelaide to Seattle?

Cheapflights helps you search for flights from Adelaide to Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Adelaide to Seattle?

Cheapflights simply makes it quick and affordable to book flights from Adelaide to Seattle by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Adelaide to Seattle with no change fees?

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

Can Cheapflights notify me if prices for flights from Adelaide to Seattle become cheaper?

Yes! Start tracking prices for Adelaide to Seattle flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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