$98+ Cheap flights from Aurora, CO to Seattle (SEA)
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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SEA
Aug 20 — Aug 271
Round-trip
1 adult, Economy
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Find cheap flights from Aurora to Seattle 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.Cheapflights Tip: The best prices from Aurora to Seattle/Tacoma Intl are usually found in January or February, booked 47 days in advance, depart on a Friday or Thursday and return on a Friday
Cheap flight deals from Aurora to Seattle
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Best
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Cheapest flights from Aurora to SeattleExplore the most affordable flight options available from Aurora to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 21, 2026.
Explore the most affordable flight options available from Aurora to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:15 pm
DEN
- SEA
Nonstop3h 02m
Multiple Airlines
Tue 8/187:06 pm
SEA
- DEN
Nonstop2h 52m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:00 am
DEN
- SEA
Nonstop3h 04m
Frontier
Sun 8/239:29 pm
SEA
- DEN
1 stop12h 50m
Frontier
Deal found 7/20![Frontier logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:45 am
DEN
- SEA
Nonstop3h 06m
Multiple Airlines
Sat 12/127:59 pm
SEA
- DEN
Nonstop2h 49m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$153
This Cheapflightsfares deal was found by Cheapflights users on 7/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:29 pm
DEN
- SEA
1 stop21h 29m
Frontier
Tue 8/187:06 pm
SEA
- DEN
Nonstop2h 52m
Frontier
Deal found 7/20![Frontier logo]()
$155
This Cheapflightsfares deal was found by Cheapflights users on 7/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:00 am
DEN
- SEA
Nonstop3h 04m
Frontier
Mon 8/247:06 pm
SEA
- DEN
Nonstop2h 52m
Frontier
Deal found 7/20![Frontier logo]()
$156
This Frontier deal was found by Cheapflights users on 7/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:10 am
DEN
- SEA
1 stop5h 54m
Frontier
Wed 8/127:06 pm
SEA
- DEN
Nonstop2h 52m
Frontier
Deal found 7/20![Frontier logo]()
$157
This Super.com deal was found by Cheapflights users on 7/20. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:29 pm
DEN
- SEA
Nonstop2h 58m
Frontier
Wed 9/237:00 am
SEA
- DEN
Nonstop2h 51m
Frontier
Deal found 7/20![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/810:49 pm
DEN
- SEA
1 stop12h 11m
Frontier
Tue 9/157:00 am
SEA
- DEN
Nonstop2h 51m
Frontier
Deal found 7/20![Frontier logo]()
$159
This Super.com deal was found by Cheapflights users on 7/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:45 am
DEN
- SEA
Nonstop3h 06m
Frontier
Wed 10/147:41 pm
SEA
- DEN
Nonstop2h 53m
Frontier
Deal found 7/19![Frontier logo]()
$162
This Cheapflightsfares deal was found by Cheapflights users on 7/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:10 am
DEN
- SEA
Nonstop3h 10m
Frontier
Sun 9/62:37 pm
SEA
- DEN
Nonstop2h 56m
Frontier
Deal found 7/19![Frontier logo]()
$163
This Frontier deal was found by Cheapflights users on 7/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:00 am
DEN
- SEA
Nonstop3h 04m
Frontier
Sat 8/157:06 pm
SEA
- DEN
Nonstop2h 52m
Frontier
Deal found 7/19![Frontier logo]()
$164
This Cheapflightsfares deal was found by Cheapflights users on 7/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:25 am
DEN
- SEA
1 stop11h 26m
Frontier
Fri 9/117:00 am
SEA
- DEN
Nonstop2h 51m
Frontier
Deal found 7/19![Frontier logo]()
$165
Best flights from Aurora to SeattleDiscover carefully curated flight deals from Aurora to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 21, 2026.
Discover carefully curated flight deals from Aurora to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:05 am
DEN
- SEA
Nonstop3h 17m
Frontier
Tue 9/88:53 pm
SEA
- DEN
1 stop5h 59m
Frontier
Deal found 7/20![Frontier logo]()
$171
This Gotogate deal was found by Cheapflights users on 7/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:43 pm
DEN
- SEA
1 stop7h 09m
Alaska Airlines
Tue 9/82:18 pm
SEA
- DEN
1 stop5h 55m
Alaska Airlines
Deal found 7/20![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 7/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/303:30 pm
DEN
- SEA
1 stop6h 30m
Southwest
Sat 10/311:40 am
SEA
- DEN
2 stops9h 55m
Southwest
Deal found 7/16![Southwest logo]()
$262
This Alaska Airlines deal was found by Cheapflights users on 7/15. 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.
Sat 10/39:45 am
DEN
- SEA
1 stop6h 32m
Alaska Airlines
Tue 10/64:50 pm
SEA
- DEN
1 stop6h 02m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 7/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:55 pm
DEN
- SEA
Nonstop3h 00m
Southwest
Tue 9/2212:40 pm
SEA
- DEN
2 stops7h 40m
Southwest
Deal found 7/17![Southwest logo]()
$278
This Southwest deal was found by Cheapflights users on 7/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:05 pm
DEN
- SEA
1 stop5h 40m
Southwest
Sat 9/129:20 am
SEA
- DEN
2 stops9h 15m
Southwest
Deal found 7/16![Southwest logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 7/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:08 pm
DEN
- SEA
1 stop4h 31m
Alaska Airlines
Sat 8/2911:41 am
SEA
- DEN
1 stop6h 45m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$283
This Southwest deal was found by Cheapflights users on 7/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:50 pm
DEN
- SEA
1 stop8h 35m
Southwest
Thu 8/133:25 pm
SEA
- DEN
2 stops7h 20m
Southwest
Deal found 7/18![Southwest logo]()
$288
This Southwest deal was found by Cheapflights users on 7/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/177:50 pm
DEN
- SEA
1 stop5h 50m
Southwest
Sat 9/199:20 am
SEA
- DEN
2 stops9h 15m
Southwest
Deal found 7/20![Southwest logo]()
$288
This Southwest deal was found by Cheapflights users on 7/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/151:35 pm
DEN
- SEA
2 stops7h 55m
Southwest
Fri 8/213:25 pm
SEA
- DEN
2 stops7h 20m
Southwest
Deal found 7/19![Southwest logo]()
$293
This Southwest deal was found by Cheapflights users on 7/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/51:45 pm
DEN
- SEA
2 stops8h 15m
Southwest
Sat 10/1011:40 am
SEA
- DEN
2 stops9h 55m
Southwest
Deal found 7/17![Southwest logo]()
$293
This Southwest deal was found by Cheapflights users on 7/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:00 pm
DEN
- SEA
1 stop6h 20m
Southwest
Sun 9/65:10 am
SEA
- DEN
1 stop5h 20m
Southwest
Deal found 7/19![Southwest logo]()
$312
Last-minute flights from Aurora to SeattleDiscover last-minute flight deals from Aurora to Seattle. Data last updated July 21, 2026 and is based on user searches.
Discover last-minute flight deals from Aurora to Seattle. Data last updated July 21, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 7/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:13 am
DEN
- SEA
Nonstop3h 04m
Frontier
Tue 8/47:06 pm
SEA
- DEN
Nonstop2h 52m
Frontier
Deal found 7/20![Frontier logo]()
$168
This Frontier deal was found by Cheapflights users on 7/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:10 am
DEN
- SEA
1 stop5h 54m
Frontier
Wed 8/127:06 pm
SEA
- DEN
Nonstop2h 52m
Frontier
Deal found 7/20![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:15 pm
DEN
- SEA
Nonstop3h 02m
Multiple Airlines
Tue 8/187:06 pm
SEA
- DEN
Nonstop2h 52m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$150
This Cheapflightsfares deal was found by Cheapflights users on 7/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:29 pm
DEN
- SEA
1 stop21h 29m
Frontier
Tue 8/187:06 pm
SEA
- DEN
Nonstop2h 52m
Frontier
Deal found 7/20![Frontier logo]()
$155
This Cheapflightsfares deal was found by Cheapflights users on 7/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:00 am
DEN
- SEA
Nonstop3h 17m
Frontier
Sun 8/167:06 pm
SEA
- DEN
Nonstop2h 52m
Frontier
Deal found 7/19![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:00 am
DEN
- SEA
Nonstop3h 04m
Frontier
Fri 8/148:53 pm
SEA
- DEN
1 stop11h 12m
Frontier
Deal found 7/19![Frontier logo]()
$163
This Frontier deal was found by Cheapflights users on 7/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:00 am
DEN
- SEA
Nonstop3h 04m
Frontier
Sat 8/157:06 pm
SEA
- DEN
Nonstop2h 52m
Frontier
Deal found 7/19![Frontier logo]()
$164
This Cheapflightsfares deal was found by Cheapflights users on 7/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:00 am
DEN
- SEA
Nonstop3h 04m
Frontier
Mon 8/1712:19 pm
SEA
- DEN
1 stop20h 05m
Frontier
Deal found 7/16![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:00 am
DEN
- SEA
Nonstop3h 04m
Frontier
Sun 8/239:29 pm
SEA
- DEN
1 stop12h 50m
Frontier
Deal found 7/20![Frontier logo]()
$152
This Cheapflightsfares deal was found by Cheapflights users on 7/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:00 am
DEN
- SEA
Nonstop3h 04m
Frontier
Mon 8/247:06 pm
SEA
- DEN
Nonstop2h 52m
Frontier
Deal found 7/20![Frontier logo]()
$156
This Frontier deal was found by Cheapflights users on 7/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:45 am
DEN
- SEA
1 stop11h 13m
Frontier
Mon 9/147:41 pm
SEA
- DEN
Nonstop2h 53m
Frontier
Deal found 7/16![Frontier logo]()
$167
This Cheapflightsfares deal was found by Cheapflights users on 7/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:15 am
DEN
- SEA
Nonstop3h 04m
Frontier
Mon 8/317:06 pm
SEA
- DEN
Nonstop2h 52m
Frontier
Deal found 7/16![Frontier logo]()
$166
One-way flights from Aurora to SeattleSearch for one-way flight options from Aurora to Seattle. Find affordable one-way fares based on user searches. Data last updated July 21, 2026.
Search for one-way flight options from Aurora to Seattle. Find affordable one-way fares based on user searches. Data last updated July 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:15 am
DEN
- SEA
Nonstop3h 04m
Frontier
Deal found 7/20![Frontier logo]()
$98
This Super.com deal was found by Cheapflights users on 7/20. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:13 am
DEN
- SEA
Nonstop3h 04m
Frontier
Deal found 7/20![Frontier logo]()
$99
This Cheapflightsfares deal was found by Cheapflights users on 7/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:29 pm
DEN
- SEA
Nonstop2h 58m
Frontier
Deal found 7/20![Frontier logo]()
$100
This FlightHub deal was found by Cheapflights users on 7/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/297:13 am
DEN
- SEA
Nonstop3h 04m
Frontier
Deal found 7/19![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 11/47:08 pm
DEN
- SEA
1 stop23h 37m
Frontier
Deal found 7/17![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:08 pm
DEN
- SEA
1 stop23h 37m
Frontier
Deal found 7/19![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 8/248:31 pm
DEN
- SEA
2 stops15h 08m
Frontier
Deal found 7/17![Frontier logo]()
$106
This Cheapflightsfares deal was found by Cheapflights users on 7/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:05 am
DEN
- SEA
Nonstop3h 17m
Frontier
Deal found 7/17![Frontier logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 10/2010:54 pm
DEN
- SEA
2 stops20h 32m
Frontier
Deal found 7/17![Frontier logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 7/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1210:54 pm
DEN
- SEA
2 stops20h 32m
Frontier
Deal found 7/19![Frontier logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 8/318:31 pm
DEN
- SEA
2 stops15h 08m
Frontier
Deal found 7/17![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 7/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:30 am
DEN
- SEA
2 stops28h 30m
Frontier
Deal found 7/18![Frontier logo]()
$111
Find flight deals from Aurora to Seattle
Keep the following information in mind while searching for Aurora to Seattle flight deals. Data was last updated July 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $150 (Kiwi.com) |
One-way from | $98 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $321 |
Cheapflights Fare Finder
Customize your flight search to find flights from Aurora to Seattle 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 July 21, 2026.
Use the filters below to find and compare flights from Aurora to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Sat 9/5
11:05 am-1:22 pm
Nonstop3h 17m
Seattle/Tacoma Intl
Tue 9/8
8:53 pm-3:52 am
1 stop5h 59m
$171
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Sat 9/5
1:43 pm-7:52 pm
1 stop7h 09m
Seattle/Tacoma Intl
Tue 9/8
2:18 pm-9:13 pm
1 stop5h 55m
$257
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Sat 10/3
9:45 am-3:17 pm
1 stop6h 32m
Seattle/Tacoma Intl
Tue 10/6
4:50 pm-11:52 pm
1 stop6h 02m
$257
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Wed 9/30
3:30 pm-9:00 pm
1 stop6h 30m
Seattle/Tacoma Intl
Sat 10/3
11:40 am-10:35 pm
2 stops9h 55m
$262
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Fri 9/18
8:55 pm-10:55 pm
Nonstop3h 00m
Seattle/Tacoma Intl
Tue 9/22
12:40 pm-9:20 pm
2 stops7h 40m
$278
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Thu 9/3
2:05 pm-6:45 pm
1 stop5h 40m
Seattle/Tacoma Intl
Sat 9/12
9:20 am-7:35 pm
2 stops9h 15m
$282
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Fri 8/21
7:08 pm-10:39 pm
1 stop4h 31m
Seattle/Tacoma Intl
Sat 8/29
11:41 am-7:26 pm
1 stop6h 45m
$283
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Tue 8/11
3:50 pm-11:25 pm
1 stop8h 35m
Seattle/Tacoma Intl
Thu 8/13
3:25 pm-11:45 pm
2 stops7h 20m
$288
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Thu 9/17
7:50 pm-12:40 am
1 stop5h 50m
Seattle/Tacoma Intl
Sat 9/19
9:20 am-7:35 pm
2 stops9h 15m
$288
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Sat 8/15
1:35 pm-8:30 pm
2 stops7h 55m
Seattle/Tacoma Intl
Fri 8/21
3:25 pm-11:45 pm
2 stops7h 20m
$293
Showing 1-10 of 24 resultsSorted by cheapest first
Best time to book a flight from Aurora to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Aurora with our price prediction graph.
DEN-SEA
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.
Cheapflights Insights
Everything you need to know about your flight from Aurora to Seattle
9UR-SEA
DEN-SEA
What is the cheapest time of day to fly from 9UR to SEA?
Find hourly flight availability from Aurora to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 21, 2026.
One of the essential ways to save on airfare from Aurora to Seattle is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 16% on airfare.
Weekly flight availability from Aurora to Seattle
Explore weekly flight availability from Aurora to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 21, 2026.
The most flights from 9UR to SEA are scheduled on a Friday (53 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (26 on average).
How much does it cost to fly round-trip from Aurora to Seattle?
What is the cheapest day to fly from Aurora to Seattle?
Use this chart to determine the cheapest time to fly round-trip from Aurora to Seattle. Price data was last updated on July 18, 2026.
Travelers seeking maximum savings on their Aurora to Seattle flight should consider departing on Friday evenings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated July 21, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andDelta from Aurora to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Related info for your journey
Find useful and relevant information for your journey from Aurora to Seattle. 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 Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Renton
Lacey
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Centralia
Puyallup
Kent
Ellensburg
Fife
Marysville
Ocean Shores
Lakewood
Lynnwood
Issaquah
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Aurora to Seattle
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Complete your trip
Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Aurora to Seattle by cabin class
Find flights from Aurora to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Aurora and Seattle flights
Browse other Aurora and Seattle flight options. Last updated on July 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 21, 2026.
Aurora to Seattle flights
Consider these flights traveling from Aurora to Seattle.
Top 6 airlines flying from Aurora to Seattle
Discover the top 6 airlines that operate flights from Aurora to Seattle. 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 July 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$54 | Average$193 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$85 | Average$268 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$88 | Average$217 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$117 | Average$368 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$117 | Average$345 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$124 | Average$300 | FlexibilityNo cancel fee | On-time75% |