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Cheap flights from Adelaide to Seattle from $2,089

ADL — SEA
10 Dec — 17 Dec1
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

Tue 24/1106:00 -
2 stops23h 33m
Tue 15/1216:20 -
2 stops25h 45m
Deal found 10/11$2,089
Tue 24/1108:40 -
2 stops26h 17m
Tue 15/1217:28 -
2 stops25h 02m
Deal found 8/11$2,747
Wed 23/1206:00 -
2 stops30h 52m
Wed 30/1219:05 -
2 stops29h 20m
Deal found 8/11$2,834
Sat 26/1211:30 -
2 stops38h 10m
Mon 11/117:46 -
3 stops45h 39m
Deal found 6/11$2,867
Sat 26/1222:00 -
2 stops39h 33m
Mon 11/115:50 -
1 stop30h 45m
Deal found 6/11$2,978
Tue 22/1219:55 -
2 stops40h 57m
Tue 29/1219:05 -
2 stops24h 30m
Deal found 6/11$2,999
Tue 22/1219:55 -
3 stops39h 07m
Tue 29/1223:58 -
2 stops40h 27m
Deal found 6/11$3,120

Find flight deals from Adelaide to Seattle

Round-trip from

$2,024
Air New Zealand
  • Air New Zealand
  • 22/1-26/1
  • 4 total stops
  • 55h 29m 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
Fastest return journey

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 24/11

06:00-11:03

2 stops23h 33m

Seattle/Tacoma Intl

Tue 15/12

16:20-12:35

2 stops25h 45m

$2,089

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Fri 22/1

12:05-21:57

2 stops28h 22m

Seattle/Tacoma Intl

Mon 25/1

06:15-10:55

2 stops34h 10m

$2,119

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Fri 22/1

12:00-08:45

1 stop39h 15m

Seattle/Tacoma Intl

Tue 26/1

16:49-10:30

2 stops47h 11m

$2,650

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Fri 22/1

22:00-11:40

1 stop32h 10m

Seattle/Tacoma Intl

Mon 25/1

15:50-17:05

1 stop30h 45m

$2,736

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 24/11

08:40-16:27

2 stops26h 17m

Seattle/Tacoma Intl

Tue 15/12

17:28-13:00

2 stops25h 02m

$2,747

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Wed 23/12

06:00-18:22

2 stops30h 52m

Seattle/Tacoma Intl

Wed 30/12

19:05-18:55

2 stops29h 20m

$2,834

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 22/12

19:55-16:32

3 stops39h 07m

Seattle/Tacoma Intl

Tue 29/12

23:58-10:55

2 stops40h 27m

$3,120

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Fri 22/1

07:15-21:17

3 stops32h 32m

Seattle/Tacoma Intl

Tue 26/1

10:21-16:20

2 stops35h 29m

$3,154

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Sat 26/12

14:55-23:18

1 stop26h 53m

Seattle/Tacoma Intl

Mon 11/1

13:18-09:30

1 stop25h 42m

$3,270

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Sorted by cheapest first

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 60% 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 $1,526.

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 16m.

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 United Airlines 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.
United Airlines
7.3
Good
10,471 reviews
Check prices

Food

6.7

Overall

7.3

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
United Airlines
7.3
Good
10,471 reviews
United Airlines
7.3
Good
10,471 reviews
Check prices

Food

6.7

Overall

7.3

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Related info for your journey

  • How long is the flight from Adelaide to Seattle?

    Air New Zealand and Singapore Airlines can get you from Adelaide to Seattle in just under 28h 22m. Your travel time can differ by up to 2h 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, United Airlines ($1,279), 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
United AirlinesCheapest$1,279Average$1,852FlexibilityNo cancel feeOn-time69%
Search United Airlines 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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