$756+ Cheap flights from Seattle (SEA) to Adelaide (ADL)
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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ADL
May 10 — May 171
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Adelaide with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Adelaide
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Cheapest flights from Seattle to AdelaideExplore the most affordable flight options available from Seattle to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.
Explore the most affordable flight options available from Seattle to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.
This Air Canada deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/67:20 pm
SEA
- ADL
2 stops26h 05m
Multiple Airlines
Fri 7/247:35 pm
ADL
- SEA
2 stops31h 02m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$1,261
This FlightHub deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/65:45 am
SEA
- ADL
2 stops39h 40m
Air Canada
Fri 7/248:00 pm
ADL
- SEA
2 stops39h 02m
Air Canada
Deal found 4/9![Air Canada logo]()
$1,264
This Ovago deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:00 am
SEA
- ADL
2 stops22h 05m
Multiple Airlines
Sat 5/911:50 am
ADL
- SEA
2 stops29h 33m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$1,309
This Alaska Airlines deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:00 am
SEA
- ADL
2 stops34h 20m
Multiple Airlines
Tue 11/175:10 pm
ADL
- SEA
2 stops22h 05m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$1,319
This SmartFares deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/48:00 am
SEA
- ADL
2 stops31h 35m
Multiple Airlines
Thu 7/97:10 pm
ADL
- SEA
2 stops45h 19m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$1,380
This oojo deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:06 pm
SEA
- ADL
2 stops33h 39m
Qantas Airways
Sat 5/162:25 pm
ADL
- SEA
2 stops49h 03m
Qantas Airways
Deal found 4/10![Qantas Airways logo]()
$1,396
This SmartFares deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/218:50 pm
SEA
- ADL
2 stops33h 15m
Multiple Airlines
Thu 5/288:50 am
ADL
- SEA
2 stops31h 39m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$1,416
This BYOjet deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/228:50 pm
SEA
- ADL
2 stops42h 45m
Multiple Airlines
Fri 5/292:25 pm
ADL
- SEA
2 stops23h 58m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$1,433
This Air Canada deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:05 pm
SEA
- ADL
2 stops30h 35m
Air Canada
Tue 11/176:10 am
ADL
- SEA
2 stops30h 46m
Air Canada
Deal found 4/7![Air Canada logo]()
$1,519
This Expedia deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:22 pm
SEA
- ADL
2 stops34h 43m
Multiple Airlines
Tue 4/143:00 pm
ADL
- SEA
2 stops23h 11m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$1,571
This Qantas Airways deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:40 pm
SEA
- ADL
2 stops26h 30m
Qantas Airways
Mon 5/115:10 pm
ADL
- SEA
2 stops43h 13m
Qantas Airways
Deal found 4/6![Qantas Airways logo]()
$1,705
Best flights from Seattle to AdelaideDiscover carefully curated flight deals from Seattle to Adelaide that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 10, 2026.
Discover carefully curated flight deals from Seattle to Adelaide that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 10, 2026.
This Air Canada deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/67:20 pm
SEA
- ADL
2 stops26h 05m
Multiple Airlines
Fri 7/247:35 pm
ADL
- SEA
2 stops31h 02m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$1,261
This FlightHub deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/65:45 am
SEA
- ADL
2 stops39h 40m
Air Canada
Fri 7/248:00 pm
ADL
- SEA
2 stops39h 02m
Air Canada
Deal found 4/5![Air Canada logo]()
$1,376
This oojo deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:06 pm
SEA
- ADL
2 stops33h 39m
Qantas Airways
Sat 5/162:25 pm
ADL
- SEA
2 stops49h 03m
Qantas Airways
Deal found 4/10![Qantas Airways logo]()
$1,396
This BYOjet deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:04 pm
SEA
- ADL
2 stops25h 21m
Air New Zealand
Fri 5/296:35 am
ADL
- SEA
3 stops28h 25m
Air New Zealand
Deal found 4/7![Air New Zealand logo]()
$1,834
This Cathay Pacific deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:45 am
SEA
- ADL
2 stops37h 30m
Cathay Pacific
Sat 5/166:00 am
ADL
- SEA
3 stops43h 27m
Cathay Pacific
Deal found 4/10![Cathay Pacific logo]()
$2,269
This oojo deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/64:25 pm
SEA
- ADL
1 stop30h 55m
Qatar Airways
Fri 7/246:40 am
ADL
- SEA
2 stops46h 15m
Qatar Airways
Deal found 4/9![Qatar Airways logo]()
$2,734
This Qantas Airways deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:40 pm
SEA
- ADL
2 stops31h 15m
Qantas Airways
Mon 5/115:10 pm
ADL
- SEA
2 stops46h 18m
Qantas Airways
Deal found 4/5![Qantas Airways logo]()
$1,705
This Cathay Pacific deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:10 am
SEA
- ADL
3 stops42h 45m
Cathay Pacific
Sat 5/92:20 pm
ADL
- SEA
3 stops42h 00m
Cathay Pacific
Deal found 4/7![Cathay Pacific logo]()
$2,399
Last-minute flights from Seattle to AdelaideDiscover last-minute flight deals from Seattle to Adelaide. Data last updated April 10, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Adelaide. Data last updated April 10, 2026 and is based on user searches.
This Ovago deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/18:00 am
SEA
- ADL
2 stops22h 05m
Multiple Airlines
Sat 5/911:50 am
ADL
- SEA
2 stops29h 33m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$1,309
This Cathay Pacific deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:10 am
SEA
- ADL
3 stops42h 45m
Cathay Pacific
Sat 5/92:20 pm
ADL
- SEA
3 stops42h 00m
Cathay Pacific
Deal found 4/7![Cathay Pacific logo]()
$2,399
This Qantas Airways deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:40 pm
SEA
- ADL
2 stops26h 30m
Qantas Airways
Mon 5/115:10 pm
ADL
- SEA
2 stops43h 13m
Qantas Airways
Deal found 4/6![Qantas Airways logo]()
$1,705
This oojo deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/97:06 pm
SEA
- ADL
2 stops33h 39m
Qantas Airways
Sat 5/162:25 pm
ADL
- SEA
2 stops49h 03m
Qantas Airways
Deal found 4/10![Qantas Airways logo]()
$1,396
This Cathay Pacific deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/911:45 am
SEA
- ADL
2 stops37h 30m
Cathay Pacific
Sat 5/166:00 am
ADL
- SEA
3 stops43h 27m
Cathay Pacific
Deal found 4/10![Cathay Pacific logo]()
$2,269
This SmartFares deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/218:50 pm
SEA
- ADL
2 stops33h 15m
Multiple Airlines
Thu 5/288:50 am
ADL
- SEA
2 stops31h 39m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$1,416
This Gotogate deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2110:45 am
SEA
- ADL
2 stops34h 40m
Air Canada
Thu 5/288:00 pm
ADL
- SEA
3 stops41h 38m
Air Canada
Deal found 4/6![Air Canada logo]()
$2,390
This BYOjet deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/228:50 pm
SEA
- ADL
2 stops42h 45m
Multiple Airlines
Fri 5/292:25 pm
ADL
- SEA
2 stops23h 58m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$1,433
This BYOjet deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:04 pm
SEA
- ADL
2 stops25h 21m
Air New Zealand
Fri 5/296:35 am
ADL
- SEA
3 stops28h 25m
Air New Zealand
Deal found 4/7![Air New Zealand logo]()
$1,834
This Bravofly deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:15 pm
SEA
- ADL
1 stop34h 20m
Emirates
Fri 5/2910:00 pm
ADL
- SEA
1 stop31h 55m
Emirates
Deal found 4/7![Emirates logo]()
$2,506
One-way flights from Seattle to AdelaideSearch for one-way flight options from Seattle to Adelaide. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
Search for one-way flight options from Seattle to Adelaide. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
This United Airlines deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/171:21 pm
SEA
- ADL
2 stops31h 54m
United Airlines
Deal found 4/9![United Airlines logo]()
$756
This Alaska Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/178:50 pm
SEA
- ADL
2 stops46h 35m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$771
This Cathay Pacific deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/177:18 pm
SEA
- ADL
3 stops47h 27m
Cathay Pacific
Deal found 4/9![Cathay Pacific logo]()
$1,410
This Emirates deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/175:15 pm
SEA
- ADL
1 stop34h 20m
Emirates
Deal found 4/9![Emirates logo]()
$1,674
Find flight deals from Seattle to Adelaide
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Adelaide (ADL). 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 April 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,261 (Air Canada) |
One-way from | $771 (Alaska Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Adelaide 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 2,558,603 searches. Data last updated April 10, 2026.
Use the filters below to find and compare flights from Seattle to Adelaide that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Mon 7/6
7:20 pm-1:55 pm
2 stops26h 05m
Adelaide
Fri 7/24
7:35 pm-10:07 am
2 stops31h 02m
$1,261
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Mon 7/6
5:45 am-1:55 pm
2 stops39h 40m
Adelaide
Fri 7/24
8:00 pm-6:32 pm
2 stops39h 02m
$1,376
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Sat 5/9
7:06 pm-9:15 pm
2 stops33h 39m
Adelaide
Sat 5/16
2:25 pm-10:58 pm
2 stops49h 03m
$1,396
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Thu 5/7
6:40 pm-6:25 pm
2 stops31h 15m
Adelaide
Mon 5/11
5:10 pm-10:58 pm
2 stops46h 18m
$1,705
Quickest round-trip
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Fri 5/22
5:04 pm-10:55 am
2 stops25h 21m
Adelaide
Fri 5/29
6:35 am-6:30 pm
3 stops28h 25m
$1,834
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Sat 5/9
11:45 am-5:45 pm
2 stops37h 30m
Adelaide
Sat 5/16
6:00 am-8:57 am
3 stops43h 27m
$2,269
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Fri 5/1
7:10 am-6:25 pm
3 stops42h 45m
Adelaide
Sat 5/9
2:20 pm-3:50 pm
3 stops42h 00m
$2,399
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Mon 7/6
4:25 pm-3:50 pm
1 stop30h 55m
Adelaide
Fri 7/24
6:40 am-12:25 pm
2 stops46h 15m
$2,734
Cheapest one-way
Quickest one-way
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Sun 5/17
1:21 pm-1:45 pm
2 stops31h 54m
$756
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Sun 5/17
8:50 pm-11:55 am
2 stops46h 35m
$771
Showing 1-10 of 12 resultsSorted by cheapest first
Compare providers for flights from Seattle to Adelaide
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Adelaide in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Adelaide flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Adelaide flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Adelaide flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Adelaide flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Adelaide flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Adelaide
Have a flexible travel schedule? Discover the best time to fly to Adelaide from Seattle with our price prediction graph.
SEA-ADL
Estimated round-trip 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.
Reviews of airlines servicing Adelaide
Get insights into the airlines that provide service to Adelaide. 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 Adelaide. Reviews last updated April 10, 2026.
Read through reviews of airlines operating flights from Seattle to Adelaide, such as Qantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Crew
8.1
Entertainment
7.2
Overall
7.5
Comfort
7.4
Food
7.0
Reviews
1 / 20
2.0
MediocreMidhat,Feb 2026
WYA - ADL
Boarding
7.7
Crew
8.1
Entertainment
7.2
Overall
7.5
Comfort
7.4
Food
7.0
Reviews
1 / 20
2.0
MediocreMidhat,Feb 2026
WYA - ADL
Related info for your journey
Find useful and relevant information for your journey from Seattle to Adelaide. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Adelaide?
Book flights to Adelaide if you plan to visit one of these locationsGlenelg
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Explore flights to Adelaide departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 10, 2026.
Alternative routes for Seattle to Adelaide
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Complete your trip
Complete your trip to Adelaide by adding a car rental and/or hotel reservation to your travel itinerary.
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Seattle and Adelaide flights
Browse other Seattle and Adelaide flight options. Last updated on April 10, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on April 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Seattle to Adelaide
Discover the top airline that operate flights from Seattle to Adelaide. 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 2,558,603 searches. Data last updated April 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,088 | Average$1,211 | FlexibilityNo cancel fee | On-time74% |