$701+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ADL
May 23 — May 301
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
One-way
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 23, 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 23, 2026.
This oojo deal was found by Cheapflights users on 4/22. 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.
Tue 5/125:06 pm
SEA
- ADL
2 stops23h 49m
Multiple Airlines
Sun 5/246:00 am
ADL
- SEA
2 stops23h 26m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$1,268
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/318:45 am
SEA
- ADL
2 stops33h 55m
United Airlines
Tue 6/166:05 am
ADL
- SEA
2 stops24h 55m
United Airlines
Deal found 4/22![United Airlines logo]()
$1,272
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Tue 5/121:21 pm
SEA
- ADL
2 stops29h 14m
United Airlines
Sun 5/246:05 am
ADL
- SEA
3 stops31h 34m
United Airlines
Deal found 4/20![United Airlines logo]()
$1,279
This United Airlines deal was found by Cheapflights users on 4/18. 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.
Tue 6/25:20 pm
SEA
- ADL
2 stops25h 15m
United Airlines
Tue 6/94:30 pm
ADL
- SEA
3 stops45h 10m
United Airlines
Deal found 4/18![United Airlines logo]()
$1,286
This oojo deal was found by Cheapflights users on 4/19. 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.
Tue 5/1211:50 am
SEA
- ADL
2 stops30h 45m
Multiple Airlines
Sat 5/2312:00 pm
ADL
- SEA
2 stops41h 26m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,289
This SmartFares deal was found by Cheapflights users on 4/21. 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.
Fri 6/57:35 am
SEA
- ADL
2 stops22h 30m
Multiple Airlines
Fri 6/122:25 pm
ADL
- SEA
2 stops26h 04m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$1,300
This Ovago deal was found by Cheapflights users on 4/21. 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 5/157:35 am
SEA
- ADL
2 stops22h 30m
Multiple Airlines
Wed 5/277:10 pm
ADL
- SEA
2 stops45h 19m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$1,314
This oojo deal was found by Cheapflights users on 4/23. 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.
Thu 5/710:49 am
SEA
- ADL
2 stops30h 06m
Multiple Airlines
Wed 5/201:15 pm
ADL
- SEA
2 stops25h 59m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$1,324
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 5/71:21 pm
SEA
- ADL
2 stops29h 14m
United Airlines
Wed 5/206:05 am
ADL
- SEA
3 stops31h 31m
United Airlines
Deal found 4/23![United Airlines logo]()
$1,329
This oojo deal was found by Cheapflights users on 4/22. 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 7/69:18 pm
SEA
- ADL
2 stops43h 37m
Multiple Airlines
Fri 7/247:45 pm
ADL
- SEA
2 stops36h 18m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$1,333
This Ovago deal was found by Cheapflights users on 4/19. 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 5/155:55 pm
SEA
- ADL
2 stops36h 10m
Multiple Airlines
Fri 5/222:25 pm
ADL
- SEA
2 stops23h 58m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,342
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 23, 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 23, 2026.
This United Airlines deal was found by Cheapflights users on 4/18. 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.
Tue 6/25:20 pm
SEA
- ADL
2 stops25h 15m
United Airlines
Tue 6/96:05 am
ADL
- SEA
2 stops31h 18m
United Airlines
Deal found 4/18![United Airlines logo]()
$1,279
This Qantas Airways deal was found by Cheapflights users on 4/20. 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.
Sat 5/95:06 pm
SEA
- ADL
2 stops23h 49m
Multiple Airlines
Sat 5/166:00 am
ADL
- SEA
2 stops24h 24m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,376
This Cathay Pacific deal was found by Cheapflights users on 4/20. 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 stops29h 10m
Cathay Pacific
Sat 5/1610:10 am
ADL
- SEA
3 stops39h 17m
Cathay Pacific
Deal found 4/20![Cathay Pacific logo]()
$2,265
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Fri 5/1512:34 pm
SEA
- ADL
2 stops30h 01m
United Airlines
Wed 5/276:05 am
ADL
- SEA
3 stops31h 35m
United Airlines
Deal found 4/21![United Airlines logo]()
$1,329
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 5/71:21 pm
SEA
- ADL
2 stops29h 14m
United Airlines
Wed 5/206:05 am
ADL
- SEA
3 stops31h 31m
United Airlines
Deal found 4/23![United Airlines logo]()
$1,329
This Ovago deal was found by Cheapflights users on 4/21. 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.
Mon 7/68:00 am
SEA
- ADL
2 stops22h 05m
Multiple Airlines
Fri 7/2411:50 am
ADL
- SEA
2 stops28h 39m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$1,558
This United Airlines deal was found by Cheapflights users on 4/21. 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.
Fri 6/55:04 pm
SEA
- ADL
2 stops25h 31m
United Airlines
Fri 6/126:05 am
ADL
- SEA
3 stops31h 35m
United Airlines
Deal found 4/21![United Airlines logo]()
$1,379
This United Airlines deal was found by Cheapflights users on 4/22. 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.
Sat 5/94:32 pm
SEA
- ADL
2 stops25h 53m
United Airlines
Sat 5/166:05 am
ADL
- SEA
2 stops22h 55m
United Airlines
Deal found 4/22![United Airlines logo]()
$1,386
Last-minute flights from Seattle to AdelaideDiscover last-minute flight deals from Seattle to Adelaide. Data last updated April 23, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Adelaide. Data last updated April 23, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 4/23. 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.
Thu 5/710:49 am
SEA
- ADL
2 stops30h 06m
Multiple Airlines
Wed 5/201:15 pm
ADL
- SEA
2 stops25h 59m
Multiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$1,324
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 5/71:21 pm
SEA
- ADL
2 stops29h 14m
United Airlines
Wed 5/206:05 am
ADL
- SEA
3 stops31h 31m
United Airlines
Deal found 4/23![United Airlines logo]()
$1,329
This Qantas Airways deal was found by Cheapflights users on 4/20. 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.
Sat 5/95:06 pm
SEA
- ADL
2 stops23h 49m
Multiple Airlines
Sat 5/166:00 am
ADL
- SEA
2 stops24h 24m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$1,376
This oojo deal was found by Cheapflights users on 4/21. 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 stops24h 19m
Qantas Airways
Sat 5/162:25 pm
ADL
- SEA
2 stops49h 03m
Qantas Airways
Deal found 4/21![Qantas Airways logo]()
$1,378
This oojo deal was found by Cheapflights users on 4/22. 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.
Tue 5/125:06 pm
SEA
- ADL
2 stops23h 49m
Multiple Airlines
Sun 5/246:00 am
ADL
- SEA
2 stops23h 26m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$1,268
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Tue 5/121:21 pm
SEA
- ADL
2 stops29h 14m
United Airlines
Sun 5/246:05 am
ADL
- SEA
3 stops31h 34m
United Airlines
Deal found 4/20![United Airlines logo]()
$1,279
This oojo deal was found by Cheapflights users on 4/19. 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.
Tue 5/1211:50 am
SEA
- ADL
2 stops30h 45m
Multiple Airlines
Sat 5/2312:00 pm
ADL
- SEA
2 stops41h 26m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,289
This Ovago deal was found by Cheapflights users on 4/21. 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 5/157:35 am
SEA
- ADL
2 stops22h 30m
Multiple Airlines
Wed 5/277:10 pm
ADL
- SEA
2 stops45h 19m
Multiple Airlines
Deal found 4/21![Multiple Airlines logo]()
$1,314
This Ovago deal was found by Cheapflights users on 4/19. 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 5/155:55 pm
SEA
- ADL
2 stops36h 10m
Multiple Airlines
Fri 5/222:25 pm
ADL
- SEA
2 stops23h 58m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,342
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 5/2110:29 am
SEA
- ADL
2 stops32h 06m
United Airlines
Thu 5/286:05 am
ADL
- SEA
2 stops26h 45m
United Airlines
Deal found 4/23![United Airlines logo]()
$1,379
This United Airlines deal was found by Cheapflights users on 4/22. 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 5/318:45 am
SEA
- ADL
2 stops33h 55m
United Airlines
Tue 6/166:05 am
ADL
- SEA
2 stops24h 55m
United Airlines
Deal found 4/22![United Airlines logo]()
$1,272
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 23, 2026.
Search for one-way flight options from Seattle to Adelaide. Find affordable one-way fares based on user searches. Data last updated April 23, 2026.
This KAYAK deal was found by Cheapflights users on 4/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/135:45 pm
SEA
- ADL
2 stops24h 20m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$701
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/177:36 pm
SEA
- ADL
2 stops23h 04m
United Airlines
Deal found 4/21![United Airlines logo]()
$714
This Cathay Pacific deal was found by Cheapflights users on 4/20. 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 5/177:16 pm
SEA
- ADL
3 stops45h 39m
Cathay Pacific
Deal found 4/20![Cathay Pacific logo]()
$1,388
This Cathay Pacific deal was found by Cheapflights users on 4/19. 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 5/178:43 am
SEA
- ADL
3 stops36h 22m
Multiple Airlines
Deal found 4/19![Multiple Airlines logo]()
$1,397
This Emirates deal was found by Cheapflights users on 4/19. 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 4/19![Emirates logo]()
$1,673
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 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,268 (oojo) |
One-way from | $701 (KAYAK) |
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 23, 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
Tue 6/2
5:20 pm-11:05 am
2 stops25h 15m
Adelaide
Tue 6/9
6:05 am-8:53 pm
2 stops31h 18m
$1,279
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Fri 5/15
12:34 pm-11:05 am
2 stops30h 01m
Adelaide
Wed 5/27
6:05 am-9:10 pm
3 stops31h 35m
$1,329
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Thu 5/7
1:21 pm-11:05 am
2 stops29h 14m
Adelaide
Wed 5/20
6:05 am-9:06 pm
3 stops31h 31m
$1,329
Quickest round-trip
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Sat 5/9
5:06 pm-9:25 am
2 stops23h 49m
Adelaide
Sat 5/16
6:00 am-1:54 pm
2 stops24h 24m
$1,376
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Fri 6/5
5:04 pm-11:05 am
2 stops25h 31m
Adelaide
Fri 6/12
6:05 am-9:10 pm
3 stops31h 35m
$1,379
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Sat 5/9
4:32 pm-10:55 am
2 stops25h 53m
Adelaide
Sat 5/16
6:05 am-12:30 pm
2 stops22h 55m
$1,386
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Mon 7/6
8:00 am-10:35 pm
2 stops22h 05m
Adelaide
Fri 7/24
11:50 am-11:59 pm
2 stops28h 39m
$1,558
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Sat 5/9
11:45 am-9:25 am
2 stops29h 10m
Adelaide
Sat 5/16
10:10 am-8:57 am
3 stops39h 17m
$2,265
Cheapest one-way
Quickest one-way
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Sun 5/17
6:58 pm-10:55 am
2 stops23h 27m
$719
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Tue 5/12
1:50 am-8:00 am
3 stops37h 40m
$1,097
Showing 1-10 of 14 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 23, 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.
Crew
8.1
Food
7.0
Overall
7.5
Boarding
7.7
Entertainment
7.2
Comfort
7.4
Reviews
1 / 20
2.0
MediocreMidhat,Apr 2026
AKL - ADL
Crew
8.1
Food
7.0
Overall
7.5
Boarding
7.7
Entertainment
7.2
Comfort
7.4
Reviews
1 / 20
2.0
MediocreMidhat,Apr 2026
AKL - 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
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.
Adelaide flight routes
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Seattle
Popular flights
Other flights to Adelaide
Explore flights to Adelaide departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 23, 2026.
Alternative routes for Seattle to Adelaide
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Adelaide by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Adelaide by cabin class
Find flights from Seattle to Adelaide, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Adelaide flights
Browse other Seattle and Adelaide flight options. Last updated on April 23, 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 23, 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 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,088 | Average$1,211 | FlexibilityNo cancel fee | On-time74% |