$87+ Cheap flights from Aurora, CO to Seattle (SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SEA
Oct 10 — Oct 171
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
Cheapest
Best
Last-minute
One-way
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 September 10, 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 September 10, 2026.
This FlightHub deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:07 pm -
Nonstop3h 05m
Sat 10/244:27 pm -
Nonstop2h 50m
Deal found 9/6![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:07 pm -
Nonstop3h 05m
Fri 10/164:27 pm -
Nonstop2h 50m
Deal found 9/5![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:07 pm -
Nonstop3h 05m
Thu 10/224:27 pm -
Nonstop2h 50m
Deal found 9/5![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:10 pm -
1 stop6h 35m
Sat 10/244:27 pm -
Nonstop2h 50m
Deal found 9/7![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:07 pm -
Nonstop3h 05m
Wed 10/214:27 pm -
Nonstop2h 50m
Deal found 9/6![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:07 pm -
Nonstop3h 01m
Fri 10/94:27 pm -
Nonstop2h 50m
Deal found 9/5![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:10 pm -
1 stop6h 35m
Fri 10/234:27 pm -
Nonstop2h 50m
Deal found 9/6![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:07 pm -
Nonstop3h 05m
Thu 10/291:16 pm -
Nonstop2h 43m
Deal found 9/5![Multiple Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:07 pm -
Nonstop3h 01m
Sat 10/101:16 pm -
Nonstop2h 43m
Deal found 9/5![Multiple Airlines logo]()
$135
This Cheapflightsfares deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1210:55 pm -
1 stop20h 50m
Fri 10/164:27 pm -
Nonstop2h 50m
Deal found 9/8![Frontier logo]()
$136
This Priceline deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:57 pm -
Nonstop3h 01m
Sat 10/174:27 pm -
Nonstop2h 50m
Deal found 9/6![Multiple Airlines logo]()
$137
This Expedia deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:07 pm -
Nonstop3h 05m
Tue 10/208:00 pm -
1 stop20h 34m
Deal found 9/6![Frontier logo]()
$138
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 September 10, 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 September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:14 pm -
Nonstop3h 01m
Sun 10/185:00 am -
Nonstop2h 45m
Deal found 9/10![United Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:28 pm -
Nonstop3h 12m
Wed 10/78:00 pm -
Nonstop2h 55m
Deal found 9/6![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:15 pm -
1 stop8h 15m
Mon 12/76:10 am -
Nonstop2h 35m
Deal found 9/5![Southwest logo]()
$167
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:07 pm -
Nonstop3h 08m
Sun 11/15:05 am -
Nonstop2h 37m
Deal found 9/9![United Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:05 pm -
Nonstop3h 00m
Sat 10/176:30 am -
1 stop7h 15m
Deal found 9/6![Southwest logo]()
$167
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:00 am -
Nonstop2h 59m
Wed 10/79:45 am -
1 stop7h 24m
Deal found 9/7![Delta logo]()
$167
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/132:30 pm -
1 stop7h 40m
Tue 11/176:10 am -
Nonstop2h 35m
Deal found 9/9![Southwest logo]()
$167
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:00 am -
Nonstop3h 18m
Tue 12/88:25 am -
1 stop6h 37m
Deal found 9/6![Delta logo]()
$167
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:25 am -
1 stop4h 45m
Mon 11/28:00 pm -
Nonstop2h 55m
Deal found 9/7![Delta logo]()
$167
Last-minute flights from Aurora to SeattleDiscover last-minute flight deals from Aurora to Seattle. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Aurora to Seattle. Data last updated September 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:07 pm -
Nonstop3h 01m
Sat 10/101:16 pm -
Nonstop2h 43m
Deal found 9/5![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:07 pm -
Nonstop3h 01m
Fri 10/94:27 pm -
Nonstop2h 50m
Deal found 9/5![Frontier logo]()
$131
This Cheapflightsfares deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1210:55 pm -
1 stop20h 50m
Fri 10/164:27 pm -
Nonstop2h 50m
Deal found 9/8![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:07 pm -
Nonstop3h 05m
Fri 10/164:27 pm -
Nonstop2h 50m
Deal found 9/5![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:07 pm -
Nonstop3h 05m
Thu 10/224:27 pm -
Nonstop2h 50m
Deal found 9/5![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:07 pm -
Nonstop3h 05m
Wed 10/214:27 pm -
Nonstop2h 50m
Deal found 9/6![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:10 pm -
1 stop6h 35m
Fri 10/234:27 pm -
Nonstop2h 50m
Deal found 9/6![Frontier logo]()
$133
This Expedia deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:07 pm -
Nonstop3h 05m
Tue 10/208:00 pm -
1 stop20h 34m
Deal found 9/6![Frontier logo]()
$138
This FlightHub deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/141:07 pm -
Nonstop3h 05m
Sat 10/244:27 pm -
Nonstop2h 50m
Deal found 9/6![Frontier logo]()
$126
This Priceline deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:57 pm -
Nonstop3h 01m
Sat 10/174:27 pm -
Nonstop2h 50m
Deal found 9/6![Multiple Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:10 pm -
1 stop6h 35m
Sat 10/244:27 pm -
Nonstop2h 50m
Deal found 9/7![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/211:07 pm -
Nonstop3h 05m
Thu 10/291:16 pm -
Nonstop2h 43m
Deal found 9/5![Multiple Airlines logo]()
$134
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 September 10, 2026.
Search for one-way flight options from Aurora to Seattle. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:29 pm -
1 stop22h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$87
This Super.com deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/211:14 pm -
Nonstop3h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$88
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:25 am -
1 stop4h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Delta logo]()
$89
This Cheapflightsfares deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:00 am -
1 stop10h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$90
This Super.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/291:10 pm -
1 stop6h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$91
This Super.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:42 pm -
1 stop6h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:07 pm -
Nonstop3h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$93
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:10 pm -
2 stops8h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Southwest logo]()
$94
This Super.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:10 pm -
1 stop6h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$95
This Cheapflightsfares deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:10 pm -
1 stop6h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Frontier logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:10 am -
2 stops26h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$98
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $126 (FlightHub) |
One-way from | $87 (Cheapflightsfares) |
Popular in | July |
Cheapest in | January |
Average price | $298 |
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 7,457,451 searches. Data last updated September 10, 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
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Mon 10/12
5:25 am-9:10 am
1 stop4h 45m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$89
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Tue 11/3
12:35 pm-6:40 pm
2 stops7h 05m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$89
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Thu 11/12
6:15 pm-11:57 pm
1 stop6h 42m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$89
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Sat 10/3
1:00 pm-6:55 pm
1 stop6h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$89
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Wed 12/2
6:45 am-3:15 pm
1 stop9h 30m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$89
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Sat 10/10
6:00 pm-10:05 pm
1 stop5h 05m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$89
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Sun 10/4
5:30 am-8:59 am
1 stop4h 29m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$89
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Tue 10/20
8:50 am-2:55 pm
2 stops7h 05m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$135
Quickest round-trip
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Sat 9/26
7:35 pm-9:30 pm
Nonstop2h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$144
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Wed 10/14
7:14 pm-9:15 pm
Nonstop3h 01m
Seattle/Tacoma Intl
Sun 10/18
5:00 am-8:45 am
Nonstop2h 45m
$157
Showing 1-10 of 19 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 September 10, 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 morning could potentially save you up to 19% 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 September 10, 2026.
The most flights from 9UR to SEA are scheduled on a Wednesday (41 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (11 on average).
How much does it cost to fly round-trip from Aurora to Seattle?
Airfare is below average for this route at the moment.
Aurora to Seattle flights typically cost between $198 and $378 in October.The cheapest round-trip price found within the last 5 days was $126 on Frontier (Oct 14-Oct 24).
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 September 5, 2026.
Travelers seeking maximum savings on their Aurora to Seattle flight should consider departing on Friday mornings 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 September 10, 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.
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Food
7.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
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
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Edmonds
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
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Aurora and Seattle flights
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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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$55 | Average$203 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$83 | Average$278 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$117 | Average$380 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$117 | Average$366 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$132 | Average$308 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$133 | Average$392 | FlexibilityNo cancel fee | On-time85% |