$713+ 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 29 — Jun 51
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 29, 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 29, 2026.
This United Airlines deal was found by Cheapflights users on 4/28. 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 4/28![United Airlines logo]()
$1,279
This oojo deal was found by Cheapflights users on 4/24. 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.
Wed 7/12:40 pm
SEA
- ADL
2 stops39h 25m
Qantas Airways
Mon 7/136:00 am
ADL
- SEA
2 stops31h 26m
Qantas Airways
Deal found 4/24![Qantas Airways logo]()
$1,296
This oojo deal was found by Cheapflights users on 4/27. 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 7/41:38 pm
SEA
- ADL
2 stops27h 17m
Multiple Airlines
Sat 7/185:35 pm
ADL
- SEA
2 stops44h 53m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$1,323
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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 6/289:10 pm
SEA
- ADL
2 stops32h 55m
Multiple Airlines
Tue 7/142:25 pm
ADL
- SEA
2 stops26h 04m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$1,324
This United Airlines deal was found by Cheapflights users on 4/26. 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
2 stops28h 57m
United Airlines
Deal found 4/26![United Airlines logo]()
$1,329
This United Airlines deal was found by Cheapflights users on 4/25. 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 8/810:29 am
SEA
- ADL
2 stops32h 06m
United Airlines
Sat 8/224:30 pm
ADL
- SEA
2 stops35h 33m
United Airlines
Deal found 4/25![United Airlines logo]()
$1,336
This Qantas Airways deal was found by Cheapflights users on 4/24. 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.
Tue 6/302:40 pm
SEA
- ADL
2 stops27h 55m
Qantas Airways
Mon 7/136:00 am
ADL
- SEA
2 stops31h 26m
Qantas Airways
Deal found 4/24![Qantas Airways logo]()
$1,365
This Qantas Airways deal was found by Cheapflights users on 4/24. 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.
Tue 6/305:10 pm
SEA
- ADL
2 stops26h 15m
Qantas Airways
Sun 7/124:30 pm
ADL
- SEA
2 stops44h 56m
Qantas Airways
Deal found 4/24![Qantas Airways logo]()
$1,372
This oojo deal was found by Cheapflights users on 4/25. 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 stops26h 04m
Qantas Airways
Sat 5/165:10 pm
ADL
- SEA
2 stops46h 18m
Qantas Airways
Deal found 4/25![Qantas Airways logo]()
$1,377
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/95:45 pm
SEA
- ADL
2 stops24h 40m
United Airlines
Sat 5/166:05 am
ADL
- SEA
2 stops25h 01m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,386
This Qantas Airways deal was found by Cheapflights users on 4/24. 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.
Tue 6/305:10 pm
SEA
- ADL
2 stops25h 25m
Qantas Airways
Sat 7/115:10 pm
ADL
- SEA
2 stops45h 19m
Qantas Airways
Deal found 4/24![Qantas Airways logo]()
$1,387
This Alaska Airlines deal was found by Cheapflights users on 4/24. 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 6/289:10 pm
SEA
- ADL
2 stops32h 55m
Multiple Airlines
Thu 7/1612:40 pm
ADL
- SEA
2 stops25h 24m
Multiple Airlines
Deal found 4/24![Multiple Airlines logo]()
$1,399
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 29, 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 29, 2026.
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/156:58 pm
SEA
- ADL
2 stops23h 37m
United Airlines
Wed 5/276:05 am
ADL
- SEA
3 stops31h 35m
United Airlines
Deal found 4/27![United Airlines logo]()
$1,329
This oojo deal was found by Cheapflights users on 4/26. 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 5/95:06 pm
SEA
- ADL
2 stops32h 09m
Qantas Airways
Sat 5/165:10 pm
ADL
- SEA
2 stops46h 18m
Qantas Airways
Deal found 4/26![Qantas Airways logo]()
$1,365
This Ovago deal was found by Cheapflights users on 4/28. 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 7/2412:40 pm
ADL
- SEA
2 stops27h 49m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$1,548
This Cathay Pacific deal was found by Cheapflights users on 4/28. 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 stops33h 20m
Cathay Pacific
Sat 5/166:00 am
ADL
- SEA
3 stops43h 27m
Cathay Pacific
Deal found 4/28![Cathay Pacific logo]()
$2,528
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/95:45 pm
SEA
- ADL
2 stops24h 40m
United Airlines
Sat 5/166:05 am
ADL
- SEA
2 stops25h 01m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,386
This FlightHub deal was found by Cheapflights users on 4/28. 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 7/65:15 pm
SEA
- ADL
1 stop34h 20m
Emirates
Fri 7/2410:00 pm
ADL
- SEA
1 stop31h 55m
Emirates
Deal found 4/28![Emirates logo]()
$3,147
This oojo deal was found by Cheapflights users on 4/28. 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 5/1210:15 am
SEA
- ADL
1 stop28h 40m
Multiple Airlines
Sun 5/249:10 am
ADL
- SEA
2 stops41h 20m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$2,714
This Emirates deal was found by Cheapflights users on 4/24. 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.
Tue 6/305:15 pm
SEA
- ADL
1 stop34h 20m
Emirates
Fri 7/1010:00 pm
ADL
- SEA
1 stop31h 55m
Emirates
Deal found 4/24![Emirates logo]()
$3,178
Last-minute flights from Seattle to AdelaideDiscover last-minute flight deals from Seattle to Adelaide. Data last updated April 29, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Adelaide. Data last updated April 29, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/75:25 pm
SEA
- ADL
2 stops25h 10m
United Airlines
Wed 5/206:05 am
ADL
- SEA
3 stops31h 31m
United Airlines
Deal found 4/26![United Airlines logo]()
$1,329
This FlightHub deal was found by Cheapflights users on 4/26. 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.
Thu 5/75:15 pm
SEA
- ADL
1 stop34h 20m
Emirates
Wed 5/2010:00 pm
ADL
- SEA
1 stop31h 55m
Emirates
Deal found 4/26![Emirates logo]()
$2,688
This oojo deal was found by Cheapflights users on 4/26. 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 5/95:06 pm
SEA
- ADL
2 stops32h 09m
Qantas Airways
Sat 5/165:10 pm
ADL
- SEA
2 stops46h 18m
Qantas Airways
Deal found 4/26![Qantas Airways logo]()
$1,365
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/95:45 pm
SEA
- ADL
2 stops24h 40m
United Airlines
Sat 5/166:05 am
ADL
- SEA
2 stops25h 01m
United Airlines
Deal found 4/28![United Airlines logo]()
$1,386
This Cathay Pacific deal was found by Cheapflights users on 4/27. 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 stops31h 00m
Multiple Airlines
Sat 5/1610:10 am
ADL
- SEA
3 stops38h 37m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$2,476
This Cathay Pacific deal was found by Cheapflights users on 4/28. 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 stops33h 20m
Cathay Pacific
Sat 5/166:00 am
ADL
- SEA
3 stops43h 27m
Cathay Pacific
Deal found 4/28![Cathay Pacific logo]()
$2,528
This United Airlines deal was found by Cheapflights users on 4/28. 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 4/28![United Airlines logo]()
$1,279
This KAYAK deal was found by Cheapflights users on 4/28. 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.
Tue 5/125:15 pm
SEA
- ADL
1 stop34h 20m
Emirates
Sun 5/2410:00 pm
ADL
- SEA
1 stop31h 55m
Emirates
Deal found 4/28![Emirates logo]()
$2,618
This oojo deal was found by Cheapflights users on 4/28. 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 5/1210:15 am
SEA
- ADL
1 stop28h 40m
Multiple Airlines
Sun 5/249:10 am
ADL
- SEA
2 stops41h 20m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$2,714
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 29, 2026.
Search for one-way flight options from Seattle to Adelaide. Find affordable one-way fares based on user searches. Data last updated April 29, 2026.
This United Airlines deal was found by Cheapflights users on 4/24. 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 4/24![United Airlines logo]()
$713
This Fiji Airways deal was found by Cheapflights users on 4/29. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:55 pm
SEA
- ADL
2 stops24h 50m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$731
This United Airlines deal was found by Cheapflights users on 4/29. 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 10/248:40 am
SEA
- ADL
3 stops35h 45m
United Airlines
Deal found 4/29![United Airlines logo]()
$930
This Cathay Pacific deal was found by Cheapflights users on 4/25. 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 stops44h 19m
Multiple Airlines
Deal found 4/25![Multiple Airlines logo]()
$1,348
This Cathay Pacific deal was found by Cheapflights users on 4/24. 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 stops47h 29m
Cathay Pacific
Deal found 4/24![Cathay Pacific logo]()
$1,385
This Flightnetwork deal was found by Cheapflights users on 4/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/244:25 pm
SEA
- ADL
1 stop31h 10m
Qatar Airways
Deal found 4/29![Qatar Airways logo]()
$1,600
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 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,279 (United Airlines) |
One-way from | $713 (United 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 29, 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
Fri 5/15
6:58 pm-11:05 am
2 stops23h 37m
Adelaide
Wed 5/27
6:05 am-9:10 pm
3 stops31h 35m
$1,329
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Sat 5/9
5:06 pm-5:45 pm
2 stops32h 09m
Adelaide
Sat 5/16
5:10 pm-10:58 pm
2 stops46h 18m
$1,365
Quickest round-trip
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Sat 5/9
5:45 pm-10:55 am
2 stops24h 40m
Adelaide
Sat 5/16
6:05 am-2:36 pm
2 stops25h 01m
$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
12:40 pm-11:59 pm
2 stops27h 49m
$1,548
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Sat 5/9
11:45 am-1:35 pm
2 stops33h 20m
Adelaide
Sat 5/16
6:00 am-8:57 am
3 stops43h 27m
$2,528
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Tue 5/12
10:15 am-7:25 am
1 stop28h 40m
Adelaide
Sun 5/24
9:10 am-10:00 am
2 stops41h 20m
$2,714
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Mon 7/6
5:15 pm-8:05 pm
1 stop34h 20m
Adelaide
Fri 7/24
10:00 pm-1:25 pm
1 stop31h 55m
$3,147
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Tue 6/30
5:15 pm-8:05 pm
1 stop34h 20m
Adelaide
Fri 7/10
10:00 pm-1:25 pm
1 stop31h 55m
$3,178
Cheapest one-way
Quickest one-way
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Sun 5/17
7:36 pm-11:10 am
2 stops23h 04m
$713
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Sat 10/24
5:55 pm-12:15 pm
2 stops24h 50m
$731
Showing 1-10 of 13 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 29, 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
Entertainment
7.2
Overall
7.5
Crew
8.1
Comfort
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreMidhat,Apr 2026
AKL - ADL
Boarding
7.7
Entertainment
7.2
Overall
7.5
Crew
8.1
Comfort
7.5
Food
7.0
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 29, 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 29, 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 29, 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 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,088 | Average$1,211 | FlexibilityNo cancel fee | On-time74% |