$604+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — ADL
Jun 3 — Jun 101
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 May 4, 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 May 4, 2026.
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/127:36 pm
SEA
- ADL
2 stops22h 59m
United Airlines
Sun 5/246:05 am
ADL
- SEA
2 stops31h 18m
United Airlines
Deal found 5/1![United Airlines logo]()
$1,279
This oojo deal was found by Cheapflights users on 4/30. 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 stops25h 39m
Qantas Airways
Sat 5/162:25 pm
ADL
- SEA
2 stops49h 03m
Qantas Airways
Deal found 4/30![Qantas Airways logo]()
$1,350
This United Airlines deal was found by Cheapflights users on 5/4. 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 5/97:36 pm
SEA
- ADL
2 stops22h 49m
United Airlines
Sat 5/166:05 am
ADL
- SEA
2 stops28h 57m
United Airlines
Deal found 5/4![United Airlines logo]()
$1,386
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/223:33 pm
SEA
- ADL
2 stops27h 07m
United Airlines
Sat 6/66:00 am
ADL
- SEA
2 stops29h 17m
United Airlines
Deal found 5/1![United Airlines logo]()
$1,388
This Expedia deal was found by Cheapflights users on 4/30. 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.
Sun 6/146:03 am
SEA
- ADL
2 stops36h 42m
Multiple Airlines
Sun 6/215:15 pm
ADL
- SEA
2 stops45h 04m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,428
This Ovago deal was found by Cheapflights users on 4/30. 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 7/243:00 pm
ADL
- SEA
2 stops25h 29m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,533
This oojo deal was found by Cheapflights users on 5/4. 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 6/184:25 pm
SEA
- ADL
1 stop30h 35m
Qatar Airways
Thu 6/256:20 pm
ADL
- SEA
2 stops34h 35m
Qatar Airways
Deal found 5/4![Qatar Airways logo]()
$1,559
This SmartFares deal was found by Cheapflights users on 5/2. 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.
Wed 6/179:10 pm
SEA
- ADL
2 stops32h 55m
Multiple Airlines
Wed 6/247:10 pm
ADL
- SEA
2 stops42h 54m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$1,664
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 May 4, 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 May 4, 2026.
This Ovago deal was found by Cheapflights users on 5/3. 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 5/3![Multiple Airlines logo]()
$1,542
This oojo deal was found by Cheapflights users on 5/4. 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 6/187:03 am
SEA
- ADL
2 stops39h 57m
Qatar Airways
Thu 6/2512:15 pm
ADL
- SEA
2 stops40h 40m
Qatar Airways
Deal found 5/4![Qatar Airways logo]()
$1,573
This KAYAK deal was found by Cheapflights users on 4/30. 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.
Mon 7/65:04 pm
SEA
- ADL
2 stops24h 46m
Air New Zealand
Fri 7/246:25 am
ADL
- SEA
3 stops28h 37m
Air New Zealand
Deal found 4/30![Air New Zealand logo]()
$2,063
This KAYAK 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 KAYAK 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 4/29![Emirates logo]()
$3,045
This oojo deal was found by Cheapflights users on 5/2. 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 6/174:25 pm
SEA
- ADL
1 stop30h 35m
Qatar Airways
Wed 6/246:20 pm
ADL
- SEA
2 stops34h 35m
Qatar Airways
Deal found 5/2![Qatar Airways logo]()
$1,740
This Jetabroad deal was found by Cheapflights users on 5/4. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/185:04 pm
SEA
- ADL
2 stops32h 51m
Air New Zealand
Thu 6/257:10 pm
ADL
- SEA
3 stops39h 52m
Air New Zealand
Deal found 5/4![Air New Zealand logo]()
$2,591
This Condor deal was found by Cheapflights users on 5/2. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:40 pm
SEA
- ADL
3 stops44h 50m
Multiple Airlines
Wed 6/249:45 am
ADL
- SEA
3 stops46h 45m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$3,390
Last-minute flights from Seattle to AdelaideDiscover last-minute flight deals from Seattle to Adelaide. Data last updated May 4, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Adelaide. Data last updated May 4, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 4/30. 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 stops25h 39m
Qantas Airways
Sat 5/162:25 pm
ADL
- SEA
2 stops49h 03m
Qantas Airways
Deal found 4/30![Qantas Airways logo]()
$1,350
This United Airlines deal was found by Cheapflights users on 5/4. 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 5/97:36 pm
SEA
- ADL
2 stops22h 49m
United Airlines
Sat 5/166:05 am
ADL
- SEA
2 stops28h 57m
United Airlines
Deal found 5/4![United Airlines logo]()
$1,386
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/127:36 pm
SEA
- ADL
2 stops22h 59m
United Airlines
Sun 5/246:05 am
ADL
- SEA
2 stops31h 18m
United Airlines
Deal found 5/1![United Airlines logo]()
$1,279
This United Airlines deal was found by Cheapflights users on 5/1. 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 5/223:33 pm
SEA
- ADL
2 stops27h 07m
United Airlines
Sat 6/66:00 am
ADL
- SEA
2 stops29h 17m
United Airlines
Deal found 5/1![United Airlines logo]()
$1,388
This Expedia deal was found by Cheapflights users on 4/30. 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.
Sun 6/146:03 am
SEA
- ADL
2 stops36h 42m
Multiple Airlines
Sun 6/215:15 pm
ADL
- SEA
2 stops45h 04m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$1,428
This Gurufare deal was found by Cheapflights users on 4/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/144:30 pm
SEA
- ADL
2 stops28h 55m
ANA
Sun 6/216:00 am
ADL
- SEA
3 stops29h 02m
ANA
Deal found 4/30![ANA logo]()
$1,942
This SmartFares deal was found by Cheapflights users on 5/2. 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.
Wed 6/179:10 pm
SEA
- ADL
2 stops32h 55m
Multiple Airlines
Wed 6/247:10 pm
ADL
- SEA
2 stops42h 54m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$1,664
This oojo deal was found by Cheapflights users on 5/2. 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 6/174:25 pm
SEA
- ADL
1 stop30h 35m
Qatar Airways
Wed 6/246:20 pm
ADL
- SEA
2 stops34h 35m
Qatar Airways
Deal found 5/2![Qatar Airways logo]()
$1,740
This Gotogate deal was found by Cheapflights users on 5/2. 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.
Wed 6/174:30 pm
SEA
- ADL
2 stops28h 55m
ANA
Wed 6/246:00 am
ADL
- SEA
3 stops29h 02m
ANA
Deal found 5/2![ANA logo]()
$2,258
This oojo deal was found by Cheapflights users on 5/4. 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 6/184:25 pm
SEA
- ADL
1 stop30h 35m
Qatar Airways
Thu 6/256:20 pm
ADL
- SEA
2 stops34h 35m
Qatar Airways
Deal found 5/4![Qatar Airways logo]()
$1,559
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 May 4, 2026.
Search for one-way flight options from Seattle to Adelaide. Find affordable one-way fares based on user searches. Data last updated May 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:06 am
SEA
- ADL
2 stops31h 59m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$604
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:06 am
SEA
- ADL
3 stops37h 49m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$621
This oojo deal was found by Cheapflights users on 4/30. 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 10/224:20 pm
SEA
- ADL
2 stops23h 35m
Qantas Airways
Deal found 4/30![Qantas Airways logo]()
$673
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:06 am
SEA
- ADL
3 stops37h 49m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$687
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Wed 10/214:20 pm
SEA
- ADL
2 stops27h 45m
Qantas Airways
Deal found 4/30![Qantas Airways logo]()
$710
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.
Sun 5/175:25 pm
SEA
- ADL
2 stops25h 15m
United Airlines
Deal found 4/29![United Airlines logo]()
$712
This Qantas Airways deal was found by Cheapflights users on 4/30. 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.
Mon 10/194:20 pm
SEA
- ADL
2 stops27h 45m
Qantas Airways
Deal found 4/30![Qantas Airways logo]()
$727
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:59 pm
SEA
- ADL
3 stops33h 11m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$742
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:10 am
SEA
- ADL
3 stops41h 15m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$746
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 May 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,388 (United Airlines) |
One-way from | $604 (Kiwi.com) |
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 May 4, 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
Quickest round-trip
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
$1,542
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Thu 6/18
7:03 am-3:30 pm
2 stops39h 57m
Adelaide
Thu 6/25
12:15 pm-12:25 pm
2 stops40h 40m
$1,573
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Wed 6/17
4:25 pm-3:30 pm
1 stop30h 35m
Adelaide
Wed 6/24
6:20 pm-12:25 pm
2 stops34h 35m
$1,740
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Mon 7/6
5:04 pm-10:20 am
2 stops24h 46m
Adelaide
Fri 7/24
6:25 am-6:32 pm
3 stops28h 37m
$2,063
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Thu 6/18
5:04 pm-6:25 pm
2 stops32h 51m
Adelaide
Thu 6/25
7:10 pm-6:32 pm
3 stops39h 52m
$2,591
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
$3,045
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Wed 6/17
5:40 pm-7:00 am
3 stops44h 50m
Adelaide
Wed 6/24
9:45 am-4:00 pm
3 stops46h 45m
$3,390
Cheapest one-way
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Sun 5/17
5:25 pm-11:10 am
2 stops25h 15m
$712
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Sun 10/25
5:55 pm-1:40 pm
2 stops26h 15m
$727
Quickest one-way
SeattleAdelaide
SEA - ADL
SEAADL
Seattle/Tacoma Intl
Fri 10/23
4:20 pm-9:25 am
2 stops23h 35m
$727
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 May.
| 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 May 4, 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.
Comfort
7.5
Crew
8.1
Boarding
7.7
Food
7.0
Overall
7.5
Entertainment
7.2
Reviews
1 / 20
2.0
MediocreMidhat,Apr 2026
AKL - ADL
Comfort
7.5
Crew
8.1
Boarding
7.7
Food
7.0
Overall
7.5
Entertainment
7.2
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
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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 May 4, 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 May 4, 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 May 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,088 | Average$1,211 | FlexibilityNo cancel fee | On-time74% |