$87+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SEA
Sep 19 — Sep 261
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 August 20, 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 August 20, 2026.
This iWofly deal was found by Cheapflights users on 8/17. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:07 pm -
Nonstop3h 01m
Tue 9/294:27 pm -
Nonstop2h 54m
Deal found 8/17![Frontier logo]()
$133
This Mytrip deal was found by Cheapflights users on 8/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/291:07 pm -
Nonstop3h 01m
Tue 10/64:27 pm -
Nonstop2h 54m
Deal found 8/15![Frontier logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Mon 9/2110:44 pm -
1 stop20h 52m
Wed 10/77:25 pm -
1 stop13h 05m
Deal found 8/18![Frontier logo]()
$135
This Super.com deal was found by Cheapflights users on 8/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:15 am -
Nonstop3h 04m
Fri 9/41:35 pm -
Nonstop2h 59m
Deal found 8/15![Frontier logo]()
$136
This Cheapflightsfares deal was found by Cheapflights users on 8/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:55 pm -
1 stop20h 50m
Sat 10/244:27 pm -
Nonstop2h 50m
Deal found 8/15![Frontier logo]()
$137
This FlightHub deal was found by Cheapflights users on 8/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:15 am -
Nonstop3h 04m
Wed 9/94:27 pm -
Nonstop2h 54m
Deal found 8/15![Frontier logo]()
$138
This Travelocity deal was found by Cheapflights users on 8/18. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:29 pm -
1 stop22h 42m
Wed 10/214:27 pm -
Nonstop2h 50m
Deal found 8/18![Frontier logo]()
$139
This Cheapflightsfares deal was found by Cheapflights users on 8/16. 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.
Wed 9/27:15 am -
Nonstop3h 04m
Sat 9/1210:53 am -
1 stop21h 42m
Deal found 8/16![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Tue 9/151:07 pm -
Nonstop3h 01m
Tue 9/228:15 pm -
1 stop12h 17m
Deal found 8/18![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 10/201:07 pm -
Nonstop3h 05m
Thu 10/224:27 pm -
Nonstop2h 50m
Deal found 8/17![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/231:07 pm -
Nonstop3h 01m
Thu 10/14:27 pm -
Nonstop2h 54m
Deal found 8/18![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/231:07 pm -
Nonstop3h 01m
Tue 10/138:00 pm -
1 stop20h 34m
Deal found 8/18![Frontier logo]()
$145
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 August 20, 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 August 20, 2026.
This United Airlines deal was found by Cheapflights users on 8/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:10 pm -
Nonstop3h 09m
Sat 11/2810:00 pm -
Nonstop2h 41m
Deal found 8/16![United Airlines logo]()
$267
This Southwest deal was found by Cheapflights users on 8/17. 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.
Wed 10/148:50 am -
2 stops7h 05m
Sat 10/245:25 am -
1 stop8h 10m
Deal found 8/17![Southwest logo]()
$288
This Delta deal was found by Cheapflights users on 8/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:00 am -
Nonstop3h 12m
Fri 11/278:25 am -
Nonstop2h 55m
Deal found 8/19![Delta logo]()
$295
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 10/312:31 pm -
2 stops8h 25m
Wed 10/72:59 pm -
1 stop6h 13m
Deal found 8/15![Alaska Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 8/19. 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.
Wed 10/145:20 pm -
1 stop5h 20m
Sat 10/176:30 am -
2 stops7h 05m
Deal found 8/19![Southwest logo]()
$288
This Delta deal was found by Cheapflights users on 8/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:00 am -
Nonstop3h 10m
Sun 10/258:00 pm -
Nonstop2h 55m
Deal found 8/17![Delta logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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 9/121:43 pm -
1 stop7h 09m
Wed 9/1612:05 pm -
2 stops8h 08m
Deal found 8/15![Alaska Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 8/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:40 am -
1 stop7h 55m
Tue 9/155:55 am -
2 stops7h 15m
Deal found 8/15![Southwest logo]()
$307
This Southwest deal was found by Cheapflights users on 8/18. 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.
Fri 9/1810:15 am -
2 stops7h 45m
Tue 9/2212:40 pm -
2 stops7h 45m
Deal found 8/18![Southwest logo]()
$323
This Southwest deal was found by Cheapflights users on 8/18. 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.
Fri 10/96:40 pm -
1 stop6h 00m
Tue 10/138:55 am -
2 stops9h 30m
Deal found 8/18![Southwest logo]()
$333
This Southwest deal was found by Cheapflights users on 8/19. 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 9/1810:15 am -
2 stops7h 45m
Mon 9/214:35 pm -
1 stop5h 35m
Deal found 8/19![Southwest logo]()
$333
Last-minute flights from Aurora to SeattleDiscover last-minute flight deals from Aurora to Seattle. Data last updated August 20, 2026 and is based on user searches.
Discover last-minute flight deals from Aurora to Seattle. Data last updated August 20, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 8/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:15 am -
Nonstop3h 04m
Fri 9/41:35 pm -
Nonstop2h 59m
Deal found 8/15![Frontier logo]()
$136
This Cheapflightsfares deal was found by Cheapflights users on 8/16. 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.
Wed 9/27:15 am -
Nonstop3h 04m
Sat 9/1210:53 am -
1 stop21h 42m
Deal found 8/16![Frontier logo]()
$140
This FlightHub deal was found by Cheapflights users on 8/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:15 am -
Nonstop3h 04m
Wed 9/94:27 pm -
Nonstop2h 54m
Deal found 8/15![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Tue 9/151:07 pm -
Nonstop3h 01m
Tue 9/228:15 pm -
1 stop12h 17m
Deal found 8/18![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Sat 9/191:07 pm -
Nonstop3h 01m
Tue 10/138:00 pm -
1 stop20h 34m
Deal found 8/18![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Mon 9/2110:44 pm -
1 stop20h 52m
Wed 10/77:25 pm -
1 stop13h 05m
Deal found 8/18![Frontier logo]()
$135
This iWofly deal was found by Cheapflights users on 8/17. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:07 pm -
Nonstop3h 01m
Tue 9/294:27 pm -
Nonstop2h 54m
Deal found 8/17![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/231:07 pm -
Nonstop3h 01m
Thu 10/14:27 pm -
Nonstop2h 54m
Deal found 8/18![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/231:07 pm -
Nonstop3h 01m
Tue 10/138:00 pm -
1 stop20h 34m
Deal found 8/18![Frontier logo]()
$145
This Mytrip deal was found by Cheapflights users on 8/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/291:07 pm -
Nonstop3h 01m
Tue 10/64:27 pm -
Nonstop2h 54m
Deal found 8/15![Frontier 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 August 20, 2026.
Search for one-way flight options from Aurora to Seattle. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 10/1410:55 pm -
1 stop20h 50m
Deal found 8/17![Frontier logo]()
$87
This Super.com deal was found by Cheapflights users on 8/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/121:07 pm -
Nonstop3h 05m
Deal found 8/17![Frontier logo]()
$88
This Frontier deal was found by Cheapflights users on 8/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:07 pm -
Nonstop3h 05m
Deal found 8/18![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:07 pm -
Nonstop3h 01m
Deal found 8/16![Frontier logo]()
$91
This Super.com deal was found by Cheapflights users on 8/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:07 pm -
Nonstop3h 01m
Deal found 8/18![Frontier logo]()
$92
This Super.com deal was found by Cheapflights users on 8/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/81:07 pm -
Nonstop3h 05m
Deal found 8/17![Frontier logo]()
$93
This Cheapflightsfares deal was found by Cheapflights users on 8/16. 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 11/27:45 am -
Nonstop3h 06m
Deal found 8/16![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Sat 10/39:05 am -
1 stop12h 25m
Deal found 8/17![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:15 pm -
1 stop8h 46m
Deal found 8/15![Frontier logo]()
$97
This Super.com deal was found by Cheapflights users on 8/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/91:07 pm -
Nonstop3h 05m
Deal found 8/17![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 August 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $133 (iWofly) |
One-way from | $87 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $264 |
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 August 20, 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 Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Wed 11/25
7:10 pm-9:19 pm
Nonstop3h 09m
Seattle/Tacoma Intl
Sat 11/28
10:00 pm-1:41 am
Nonstop2h 41m
$267
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Wed 10/14
8:50 am-2:55 pm
2 stops7h 05m
Seattle/Tacoma Intl
Sat 10/24
5:25 am-2:35 pm
1 stop8h 10m
$288
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Wed 10/14
5:20 pm-9:40 pm
1 stop5h 20m
Seattle/Tacoma Intl
Sat 10/17
6:30 am-2:35 pm
2 stops7h 05m
$288
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Tue 11/24
6:00 am-8:12 am
Nonstop3h 12m
Seattle/Tacoma Intl
Fri 11/27
8:25 am-12:20 pm
Nonstop2h 55m
$295
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Thu 9/10
10:40 am-5:35 pm
1 stop7h 55m
Seattle/Tacoma Intl
Tue 9/15
5:55 am-2:10 pm
2 stops7h 15m
$307
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Sun 10/25
6:00 am-8:10 am
Nonstop3h 10m
Seattle/Tacoma Intl
Sun 10/25
8:00 pm-11:55 pm
Nonstop2h 55m
$319
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Fri 9/18
10:15 am-5:00 pm
2 stops7h 45m
Seattle/Tacoma Intl
Tue 9/22
12:40 pm-9:25 pm
2 stops7h 45m
$323
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Sat 10/3
12:31 pm-7:56 pm
2 stops8h 25m
Seattle/Tacoma Intl
Wed 10/7
2:59 pm-10:12 pm
1 stop6h 13m
$329
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Sat 9/12
1:43 pm-7:52 pm
1 stop7h 09m
Seattle/Tacoma Intl
Wed 9/16
12:05 pm-9:13 pm
2 stops8h 08m
$329
DenverSeattle
DEN Denver Intl - SEA Seattle/Tacoma Intl
DENSEA
Denver Intl
Fri 10/9
6:40 pm-11:40 pm
1 stop6h 00m
Seattle/Tacoma Intl
Tue 10/13
8:55 am-7:25 pm
2 stops9h 30m
$333
Showing 1-10 of 23 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 August 20, 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 20% 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 August 20, 2026.
The most flights from 9UR to SEA are scheduled on a Tuesday (44 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 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 $174 and $341 in September.The cheapest round-trip price found within the last 5 days was $133 on Frontier (Sep 23-Sep 29).
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 August 15, 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 August 20, 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
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Boarding
8.1
Entertainment
7.5
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Feb 2026
DEN - BDL
Related info for your journey
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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 August 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$55 | Average$196 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$86 | Average$276 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$117 | Average$374 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$117 | Average$360 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$118 | Average$227 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$132 | Average$304 | FlexibilityNo cancel fee | On-time75% |