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$73+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SEA
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Aurora to Seattle/Tacoma Intl are usually found in October or January, booked 39 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap 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 16, 2025.

Round-trip from

$106
(Cheapflightsfares)

One-way from

$73
(Frontier)

Popular in

June

Cheapest in

October

Average price

$197
From Aurora to Seattle/Tacoma Intl
Search Deals
One-way flight from Aurora to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Aurora to Seattle

Cheapest flights from Aurora to Seattle
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 16, 2025.

This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:30 amDEN - SEA
1 stop6h 11mFrontier
Wed 10/158:43 pmSEA - DEN
Nonstop2h 52mFrontier
Deal found 9/16$105
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
Mon 10/135:30 amDEN - SEA
Nonstop3h 03mFrontier
Mon 10/208:43 pmSEA - DEN
Nonstop2h 52mFrontier
Deal found 9/15$106
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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.
Sat 9/276:33 pmDEN - SEA
Nonstop3h 06mFrontier
Sun 10/56:12 amSEA - DEN
Nonstop2h 56mFrontier
Deal found 9/15$109
This Cheapflightsfares deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1410:00 amDEN - SEA
Nonstop3h 13mFrontier
Mon 11/1711:43 amSEA - DEN
1 stop11h 10mFrontier
Deal found 9/13$110
This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:30 amDEN - SEA
1 stop6h 11mFrontier
Tue 10/71:02 pmSEA - DEN
Nonstop2h 53mFrontier
Deal found 9/14$111
This Frontier deal was found by Cheapflights users on 9/14. 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.
Sun 10/195:30 amDEN - SEA
Nonstop3h 03mFrontier
Sun 11/162:22 pmSEA - DEN
Nonstop2h 51mFrontier
Deal found 9/14$112
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 10/210:29 pmDEN - SEA
Nonstop3h 01mFrontier
Thu 10/91:02 pmSEA - DEN
Nonstop2h 53mFrontier
Deal found 9/14$113
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 10/18:55 pmDEN - SEA
Nonstop3h 04mFrontier
Tue 10/71:02 pmSEA - DEN
Nonstop2h 53mFrontier
Deal found 9/14$114
This Frontier deal was found by Cheapflights users on 9/14. 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.
Tue 9/308:55 pmDEN - SEA
Nonstop3h 04mFrontier
Tue 10/71:02 pmSEA - DEN
Nonstop2h 53mFrontier
Deal found 9/14$115
This Cheapflightsfares deal was found by Cheapflights users on 9/16. 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.
Fri 10/245:30 amDEN - SEA
Nonstop3h 03mFrontier
Mon 10/278:43 pmSEA - DEN
Nonstop2h 52mFrontier
Deal found 9/16$117
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 11/1210:00 amDEN - SEA
Nonstop3h 13mFrontier
Thu 11/1312:58 pmSEA - DEN
Nonstop2h 59mFrontier
Deal found 9/16$118

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 September 16, 2025.
Use the filters below to find and compare flights from Aurora to Seattle that are best for you.

Fly from

Aurora

Fly to

Seattle

Route

Depart

Return

Price

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Sat 2/28

7:00 am-9:00 am

Nonstop3h 00m

Seattle/Tacoma Intl

Wed 3/4

6:55 pm-10:39 pm

Nonstop2h 44m

$177

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Sat 2/28

7:00 am-9:00 am

Nonstop3h 00m

Seattle/Tacoma Intl

Tue 3/3

3:35 pm-7:19 pm

Nonstop2h 44m

$177

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Tue 10/14

4:55 pm-11:00 pm

1 stop7h 05m

Seattle/Tacoma Intl

Tue 10/21

1:20 pm-11:50 pm

2 stops9h 30m

$182

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Sat 10/25

2:40 pm-9:05 pm

2 stops7h 25m

Seattle/Tacoma Intl

Sat 11/1

10:05 am-6:50 pm

1 stop7h 45m

$182

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Sat 2/28

11:30 am-3:39 pm

1 stop5h 09m

Seattle/Tacoma Intl

Wed 3/4

7:55 am-11:39 am

Nonstop2h 44m

$187

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Tue 1/13

1:35 pm-6:27 pm

1 stop5h 52m

Seattle/Tacoma Intl

Wed 1/21

12:25 pm-4:11 pm

Nonstop2h 46m

$187

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Fri 12/5

4:40 pm-6:40 pm

Nonstop3h 00m

Seattle/Tacoma Intl

Mon 12/8

8:10 am-6:00 pm

2 stops8h 50m

$190

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Sat 11/22

6:14 am-8:26 am

Nonstop3h 12m

Seattle/Tacoma Intl

Fri 11/28

8:17 pm-12:01 am

Nonstop2h 44m

$192

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Sat 10/11

12:25 pm-10:45 pm

1 stop11h 20m

Seattle/Tacoma Intl

Tue 10/14

1:20 pm-11:50 pm

2 stops9h 30m

$197

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Sat 11/1

7:50 am-3:15 pm

1 stop8h 25m

Seattle/Tacoma Intl

Sun 11/2

7:10 am-4:50 pm

2 stops8h 40m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 22 results
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2
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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.
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

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 September 12, 2025.

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, January is the cheapest month in which you can book a flight from Aurora to Seattle (average of $238). Flying from Aurora to Seattle in June is currently the most expensive (average of $387). 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 September 16, 2025.

When flying from Aurora to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 November 18, 2024.

Travelers seeking maximum savings on their Aurora to Seattle flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday mornings 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 September 16, 2025.

The most flights from 9UR to SEA are scheduled on a Tuesday (48 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (24 on average).

How much does it cost to fly round-trip from Aurora to Seattle?

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 16, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,957 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,724 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
United Airlines
7.4
Good
8,924 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Frontier
5.8
Fair
3,174 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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.

  • What airport do you fly into for flights to Seattle from Aurora?

    If you book a flight to Seattle from Aurora, you will be flying to Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle. There are 34 flights from Aurora to Seattle/Tacoma Intl per day from 7 different airlines.

  • How popular is this Aurora to Seattle flight route?

    This flight path from Aurora to Seattle/Tacoma Intl was viewed by 185 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Aurora to Seattle?

    For as low as $177, Hawaiian Airlines can have you in Seattle from Aurora in 3h. There are 1022 mi between Aurora and Seattle. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Aurora to Seattle one-way?

    $79 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Hawaiian Airlines and United Airlines, with prices starting from $79 and $79, respectively.

  • What are the most reliable airlines from Aurora to Seattle?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Aurora to Seattle on time: Sun Country Air (100%), Virgin Atlantic (83%), ANA (80%).

  • What are the cheapest flights from Aurora to Seattle?

    While on average a flight from Aurora to Seattle is generally $683, our data shows the cheapest flight currently is $72. When looking at the most popular route, (Denver Intl - Seattle/Tacoma Intl), you can expect to pay $79 for that flight.

  • Can I find deals for flights from Aurora to Seattle that include hotel bookings?

    Yes. In addition to deals on Aurora to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Aurora to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Aurora to Seattle.

  • Can I find deals for business class flights from Aurora to Seattle?

    Yes. Cheapflights offers flight deals from Aurora to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Aurora to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Aurora to Seattle (average of $238). Flying from Aurora to Seattle in June is currently the most expensive (average of $387). 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.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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Alternative routes for Aurora to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$66Average$164FlexibilityNo cancel feeOn-time62%
DeltaCheapest$109Average$307FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$113Average$255FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$136Average$314FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$150Average$348FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$157Average$281FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$186Average$271FlexibilityNo cancel feeOn-time71%

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