$49+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SEA
Apr 9 — Apr 161
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 39 days in advance, depart on a Thursday or Friday 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 March 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 March 10, 2026.
This Expedia deal was found by Cheapflights users on 3/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:15 am
DEN
- SEA
Nonstop3h 12m
Multiple Airlines
Sun 5/108:05 pm
SEA
- DEN
Nonstop2h 54m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$77
This Orbitz deal was found by Cheapflights users on 3/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
DEN
- SEA
Nonstop3h 03m
Multiple Airlines
Tue 5/56:57 pm
SEA
- DEN
Nonstop2h 52m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:15 am
DEN
- SEA
Nonstop3h 12m
Multiple Airlines
Sun 5/108:05 pm
SEA
- DEN
Nonstop2h 54m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$81
This Cheapflightsfares deal was found by Cheapflights users on 3/8. 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.
Sat 4/187:15 am
DEN
- SEA
Nonstop3h 12m
Frontier
Tue 4/217:12 pm
SEA
- DEN
Nonstop2h 47m
Frontier
Deal found 3/8![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/87:15 am
DEN
- SEA
Nonstop3h 12m
Frontier
Fri 5/84:20 pm
SEA
- DEN
Nonstop2h 51m
Frontier
Deal found 3/9![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:15 am
DEN
- SEA
Nonstop3h 12m
Multiple Airlines
Sun 4/198:11 pm
SEA
- DEN
Nonstop2h 45m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/227:15 am
DEN
- SEA
Nonstop3h 12m
Multiple Airlines
Sun 4/268:05 pm
SEA
- DEN
Nonstop2h 54m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$87
This Frontier deal was found by Cheapflights users on 3/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/39:25 am
DEN
- SEA
Nonstop3h 12m
Frontier
Fri 4/1012:42 pm
SEA
- DEN
Nonstop2h 55m
Frontier
Deal found 3/6![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/69:25 am
DEN
- SEA
Nonstop3h 12m
Frontier
Mon 4/1312:42 pm
SEA
- DEN
Nonstop2h 55m
Frontier
Deal found 3/9![Frontier logo]()
$90
This Super.com deal was found by Cheapflights users on 3/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:15 am
DEN
- SEA
Nonstop3h 12m
Frontier
Mon 5/186:57 pm
SEA
- DEN
Nonstop2h 52m
Frontier
Deal found 3/10![Frontier logo]()
$91
This Frontier deal was found by Cheapflights users on 3/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:15 am
DEN
- SEA
Nonstop3h 12m
Frontier
Fri 4/247:12 pm
SEA
- DEN
Nonstop2h 47m
Frontier
Deal found 3/10![Frontier logo]()
$92
This deal was found by Cheapflights users on 3/6. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:40 am
DEN
- SEA
Nonstop3h 12m
Frontier
Wed 4/227:12 pm
SEA
- DEN
Nonstop2h 47m
Frontier
Deal found 3/6![Frontier logo]()
$93
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 March 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 March 10, 2026.
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:30 am
DEN
- SEA
Nonstop3h 08m
Delta
Mon 4/138:00 pm
SEA
- DEN
Nonstop2h 50m
Delta
Deal found 3/8![Delta logo]()
$97
This United Airlines deal was found by Cheapflights users on 3/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/247:45 am
DEN
- SEA
Nonstop3h 04m
United Airlines
Tue 3/315:00 am
SEA
- DEN
Nonstop2h 44m
United Airlines
Deal found 3/8![United Airlines logo]()
$137
This Alaska Airlines deal was found by Cheapflights users on 3/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
DEN
- SEA
Nonstop3h 03m
Alaska Airlines
Sat 5/29:07 am
SEA
- DEN
1 stop8h 18m
Alaska Airlines
Deal found 3/8![Alaska Airlines logo]()
$137
This Southwest deal was found by Cheapflights users on 3/6. 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.
Thu 5/74:25 pm
DEN
- SEA
2 stops7h 40m
Southwest
Sun 5/105:00 am
SEA
- DEN
1 stop8h 40m
Southwest
Deal found 3/6![Southwest logo]()
$148
This Delta deal was found by Cheapflights users on 3/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:27 pm
DEN
- SEA
1 stop6h 32m
Delta
Thu 4/238:00 pm
SEA
- DEN
Nonstop2h 50m
Delta
Deal found 3/8![Delta logo]()
$107
This Delta deal was found by Cheapflights users on 3/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:27 pm
DEN
- SEA
1 stop6h 32m
Delta
Fri 5/14:36 pm
SEA
- DEN
1 stop4h 53m
Delta
Deal found 3/5![Delta logo]()
$117
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:15 pm
DEN
- SEA
1 stop6h 48m
Delta
Wed 4/158:00 pm
SEA
- DEN
Nonstop2h 50m
Delta
Deal found 3/9![Delta logo]()
$127
This Alaska Airlines deal was found by Cheapflights users on 3/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/37:00 am
DEN
- SEA
Nonstop3h 10m
Alaska Airlines
Tue 4/78:11 pm
SEA
- DEN
Nonstop2h 45m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 3/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/105:30 am
DEN
- SEA
1 stop4h 45m
Delta
Sun 4/127:46 pm
SEA
- DEN
Nonstop2h 46m
Delta
Deal found 3/5![Delta logo]()
$167
This Southwest deal was found by Cheapflights users on 3/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/173:50 pm
DEN
- SEA
1 stop7h 45m
Southwest
Tue 4/2111:40 am
SEA
- DEN
2 stops8h 00m
Southwest
Deal found 3/7![Southwest logo]()
$232
This Southwest deal was found by Cheapflights users on 3/6. 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.
Thu 4/303:20 pm
DEN
- SEA
2 stops8h 45m
Southwest
Sun 5/35:00 am
SEA
- DEN
1 stop8h 40m
Southwest
Deal found 3/6![Southwest logo]()
$245
This Delta deal was found by Cheapflights users on 3/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/277:40 pm
DEN
- SEA
Nonstop3h 12m
Delta
Wed 4/111:25 am
SEA
- DEN
1 stop7h 32m
Delta
Deal found 3/5![Delta logo]()
$217
Last-minute flights from Aurora to SeattleDiscover last-minute flight deals from Aurora to Seattle. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Aurora to Seattle. Data last updated March 10, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 3/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/39:25 am
DEN
- SEA
Nonstop3h 12m
Frontier
Fri 4/1012:42 pm
SEA
- DEN
Nonstop2h 55m
Frontier
Deal found 3/6![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/69:25 am
DEN
- SEA
Nonstop3h 12m
Frontier
Mon 4/1312:42 pm
SEA
- DEN
Nonstop2h 55m
Frontier
Deal found 3/9![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:15 am
DEN
- SEA
Nonstop3h 12m
Multiple Airlines
Sun 4/198:11 pm
SEA
- DEN
Nonstop2h 45m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$86
This Super.com deal was found by Cheapflights users on 3/8. 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 4/1612:51 pm
DEN
- SEA
Nonstop3h 14m
Frontier
Mon 4/204:20 pm
SEA
- DEN
Nonstop2h 51m
Frontier
Deal found 3/8![Frontier logo]()
$81
This deal was found by Cheapflights users on 3/6. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:40 am
DEN
- SEA
Nonstop3h 12m
Frontier
Wed 4/227:12 pm
SEA
- DEN
Nonstop2h 47m
Frontier
Deal found 3/6![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:51 pm
DEN
- SEA
Nonstop3h 14m
Frontier
Sat 4/257:12 pm
SEA
- DEN
Nonstop2h 47m
Frontier
Deal found 3/9![Frontier logo]()
$94
This Cheapflightsfares deal was found by Cheapflights users on 3/8. 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.
Sat 4/187:15 am
DEN
- SEA
Nonstop3h 12m
Frontier
Tue 4/217:12 pm
SEA
- DEN
Nonstop2h 47m
Frontier
Deal found 3/8![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/227:15 am
DEN
- SEA
Nonstop3h 12m
Multiple Airlines
Sun 4/268:05 pm
SEA
- DEN
Nonstop2h 54m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$87
This Orbitz deal was found by Cheapflights users on 3/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
DEN
- SEA
Nonstop3h 03m
Multiple Airlines
Tue 5/56:57 pm
SEA
- DEN
Nonstop2h 52m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$79
This Southwest deal was found by Cheapflights users on 3/10. 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 4/298:30 pm
DEN
- SEA
Nonstop3h 00m
Southwest
Wed 5/136:30 am
SEA
- DEN
Nonstop2h 35m
Southwest
Deal found 3/10![Southwest logo]()
$91
This Trip.com deal was found by Cheapflights users on 3/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/306:00 am
DEN
- SEA
Nonstop3h 03m
Multiple Airlines
Mon 5/47:12 pm
SEA
- DEN
Nonstop2h 47m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$84
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 March 10, 2026.
Search for one-way flight options from Aurora to Seattle. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This Delta deal was found by Cheapflights users on 3/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:55 am
DEN
- SEA
Nonstop3h 06m
Delta
Deal found 3/9![Delta logo]()
$49
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:52 pm
DEN
- SEA
Nonstop3h 07m
Frontier
Deal found 3/8![Frontier logo]()
$53
This Expedia deal was found by Cheapflights users on 3/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:52 pm
DEN
- SEA
Nonstop3h 07m
Frontier
Deal found 3/5![Frontier logo]()
$54
This Southwest deal was found by Cheapflights users on 3/10. 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 4/226:55 pm
DEN
- SEA
1 stop5h 40m
Southwest
Deal found 3/10![Southwest logo]()
$56
This Southwest deal was found by Cheapflights users on 3/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/122:50 pm
DEN
- SEA
2 stops7h 10m
Southwest
Deal found 3/8![Southwest logo]()
$59
This Southwest deal was found by Cheapflights users on 3/10. 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.
Sat 4/2511:40 am
DEN
- SEA
2 stops9h 55m
Southwest
Deal found 3/10![Southwest logo]()
$61
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/187:15 am
DEN
- SEA
Nonstop3h 12m
Frontier
Deal found 3/8![Frontier logo]()
$63
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Tue 4/215:57 pm
DEN
- SEA
1 stop6h 30m
United Airlines
Deal found 3/10![United Airlines logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/99:49 am
DEN
- SEA
1 stop8h 53m
Frontier
Deal found 3/9![Frontier logo]()
$65
This Super.com deal was found by Cheapflights users on 3/9. 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.
Fri 4/1712:51 pm
DEN
- SEA
Nonstop3h 14m
Frontier
Deal found 3/9![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Sun 5/315:52 pm
DEN
- SEA
Nonstop3h 07m
Frontier
Deal found 3/6![Frontier logo]()
$68
This Frontier deal was found by Cheapflights users on 3/5. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/45:52 pm
DEN
- SEA
Nonstop3h 07m
Frontier
Deal found 3/5![Frontier logo]()
$69
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 March 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $77 (Expedia) |
One-way from | $49 (Delta) |
Popular in | June |
Cheapest in | January |
Average price | $227 |
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 March 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 - SEA
DENSEA
Denver Intl
Wed 4/8
6:30 am-8:38 am
Nonstop3h 08m
Seattle/Tacoma Intl
Mon 4/13
8:00 pm-11:50 pm
Nonstop2h 50m
$97
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Tue 4/14
6:27 pm-11:59 pm
1 stop6h 32m
Seattle/Tacoma Intl
Thu 4/23
8:00 pm-11:50 pm
Nonstop2h 50m
$107
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Tue 4/28
6:27 pm-11:59 pm
1 stop6h 32m
Seattle/Tacoma Intl
Fri 5/1
4:36 pm-10:29 pm
1 stop4h 53m
$117
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Wed 4/8
6:15 pm-12:03 am
1 stop6h 48m
Seattle/Tacoma Intl
Wed 4/15
8:00 pm-11:50 pm
Nonstop2h 50m
$127
Quickest round-trip
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Tue 3/24
7:45 am-9:49 am
Nonstop3h 04m
Seattle/Tacoma Intl
Tue 3/31
5:00 am-8:44 am
Nonstop2h 44m
$137
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Tue 4/28
6:00 am-8:03 am
Nonstop3h 03m
Seattle/Tacoma Intl
Sat 5/2
9:07 am-6:25 pm
1 stop8h 18m
$137
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Thu 5/7
4:25 pm-11:05 pm
2 stops7h 40m
Seattle/Tacoma Intl
Sun 5/10
5:00 am-2:40 pm
1 stop8h 40m
$148
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Fri 4/3
7:00 am-9:10 am
Nonstop3h 10m
Seattle/Tacoma Intl
Tue 4/7
8:11 pm-11:56 pm
Nonstop2h 45m
$157
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Fri 4/10
5:30 am-9:15 am
1 stop4h 45m
Seattle/Tacoma Intl
Sun 4/12
7:46 pm-11:32 pm
Nonstop2h 46m
$167
DenverSeattle
DEN - SEA
DENSEA
Denver Intl
Fri 3/27
7:40 pm-9:52 pm
Nonstop3h 12m
Seattle/Tacoma Intl
Wed 4/1
11:25 am-7:57 pm
1 stop7h 32m
$217
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
How far ahead should I book a flight from Aurora to Seattle?
Use this chart to determine the optimal time to book a round-trip flight from Aurora to Seattle. Price data was last updated on March 6, 2026.
To ensure you get the cheapest price possible for a flight from Aurora to Seattle, you should look to book at least 39 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Aurora to Seattle?
Currently, November is the cheapest month in which you can book a flight from Aurora to Seattle (average of $54). Flying from Aurora to Seattle in July is currently the most expensive (average of $119). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
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 March 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 morning tend to be the most expensive. A flight in the evening could potentially save you up to 26% on airfare.
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 February 21, 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. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 March 10, 2026.
The most flights from 9UR to SEA are scheduled on a Monday (28 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (10 on average).
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 March 10, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andHawaiian Airlines 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.
Overall
8.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Overall
8.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Overall
8.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Overall
8.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Overall
8.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Overall
8.0
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Food
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
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 locationsTacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis
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
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Aurora and Seattle flights
Browse other Aurora and Seattle flight options. Last updated on March 10, 2026.
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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 March 10, 2026.
Aurora to Seattle flights
Consider these flights traveling from Aurora to Seattle.
Top 7 airlines flying from Aurora to Seattle
Discover the top 7 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 March 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$55 | Average$162 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$93 | Average$264 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$106 | Average$232 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$117 | Average$323 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$117 | Average$334 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$129 | Average$268 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$186 | Average$236 | FlexibilityNo cancel fee | On-time71% |