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Aurora

$71+ Cheap flights from Seattle (SEA) to Aurora, CO

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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DEN
Oct 22 — Oct 291
Wed 10/22
Wed 10/29
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Aurora are usually found in October or November, booked 77 days in advance, depart on a Saturday or Friday and return on a Friday

Cheap flight deals from Seattle to Aurora

Keep the following information in mind while searching for Seattle to Aurora flight deals. Data was last updated September 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$99
(Kiwi.com)

One-way from

$71
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$191
Provider with most accurate pricing for Seattle/Tacoma Intl-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Denver Intl flights.
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From Seattle/Tacoma Intl to Aurora
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One-way flight from Seattle/Tacoma Intl to Aurora
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($5 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 Seattle to Aurora

Cheapest flights from Seattle to Aurora
Explore the most affordable flight options available from Seattle to Aurora. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 22, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/21. 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 10/178:43 pmSEA - DEN
Nonstop2h 52mFrontier
Mon 10/205:30 amDEN - SEA
Nonstop3h 03mFrontier
Deal found 9/21$99
This Priceline deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:43 pmSEA - DEN
Nonstop2h 52mFrontier
Sun 10/195:30 amDEN - SEA
Nonstop3h 03mFrontier
Deal found 9/20$100
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/248:43 pmSEA - DEN
Nonstop2h 52mFrontier
Sun 10/265:30 amDEN - SEA
Nonstop3h 03mFrontier
Deal found 9/20$102
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:43 pmSEA - DEN
Nonstop2h 52mFrontier
Sat 10/189:58 amDEN - SEA
Nonstop3h 09mFrontier
Deal found 9/20$103
This Priceline deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/278:43 pmSEA - DEN
Nonstop2h 52mFrontier
Sat 11/110:00 amDEN - SEA
Nonstop3h 13mFrontier
Deal found 9/20$104
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/141:02 pmSEA - DEN
Nonstop2h 53mFrontier
Mon 10/205:30 amDEN - SEA
Nonstop3h 03mFrontier
Deal found 9/20$105
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/228:43 pmSEA - DEN
Nonstop2h 52mFrontier
Thu 10/3010:00 amDEN - SEA
Nonstop3h 13mFrontier
Deal found 9/20$106
This Priceline deal was found by Cheapflights users on 9/22. 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.
Sun 10/128:43 pmSEA - DEN
Nonstop2h 52mFrontier
Sat 10/189:58 amDEN - SEA
Nonstop3h 09mFrontier
Deal found 9/22$107
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/268:43 pmSEA - DEN
Nonstop2h 52mFrontier
Fri 10/3110:00 amDEN - SEA
Nonstop3h 13mFrontier
Deal found 9/20$108
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/158:43 pmSEA - DEN
Nonstop2h 52mFrontier
Sat 10/189:58 amDEN - SEA
Nonstop3h 09mFrontier
Deal found 9/20$109
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/228:43 pmSEA - DEN
Nonstop2h 52mFrontier
Sat 11/110:00 amDEN - SEA
Nonstop3h 13mFrontier
Deal found 9/20$110
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/118:43 pmSEA - DEN
Nonstop2h 52mFrontier
Tue 10/149:58 amDEN - SEA
Nonstop3h 09mFrontier
Deal found 9/19$111

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Aurora 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 22, 2025.
Use the filters below to find and compare flights from Seattle to Aurora that are best for you.

Fly from

Seattle

Fly to

Aurora

Route

Depart

Return

Price

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Wed 12/3

7:31 am-11:23 am

Nonstop2h 52m

Denver Intl

Sat 12/6

7:45 pm-10:01 pm

Nonstop3h 16m

$157

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Sat 11/22

8:17 pm-12:01 am

Nonstop2h 44m

Denver Intl

Fri 11/28

6:14 am-8:26 am

Nonstop3h 12m

$157

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Mon 11/24

6:59 pm-10:40 pm

Nonstop2h 41m

Denver Intl

Wed 12/3

3:42 pm-5:50 pm

Nonstop3h 08m

$157

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Wed 12/3

7:55 am-11:44 am

Nonstop2h 49m

Denver Intl

Sat 12/6

11:41 am-5:35 pm

1 stop6h 54m

$167

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Sat 11/15

5:20 am-10:35 am

1 stop4h 15m

Denver Intl

Wed 11/19

8:02 pm-10:13 pm

Nonstop3h 11m

$167

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Mon 11/3

2:06 pm-5:50 pm

Nonstop2h 44m

Denver Intl

Mon 11/3

8:02 pm-10:13 pm

Nonstop3h 11m

$169

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Sat 10/18

3:28 pm-10:17 pm

1 stop5h 49m

Denver Intl

Tue 10/21

7:35 pm-9:34 pm

Nonstop2h 59m

$177

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Tue 10/28

11:50 am-7:06 pm

1 stop6h 16m

Denver Intl

Sat 11/1

7:00 am-9:07 am

Nonstop3h 07m

$177

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Sun 11/9

5:20 am-10:35 am

1 stop4h 15m

Denver Intl

Fri 11/14

7:00 am-9:07 am

Nonstop3h 07m

$185

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Wed 11/12

5:20 am-10:35 am

1 stop4h 15m

Denver Intl

Sun 11/16

7:00 am-9:07 am

Nonstop3h 07m

$185

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/19

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Seattle to Aurora

Have a flexible travel schedule? Discover the best time to fly to Aurora from Seattle 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 Seattle to Aurora

How far ahead should I book a flight from Seattle to Aurora?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Aurora. Price data was last updated on September 19, 2025.

The price you pay for your flight from Seattle to Aurora may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Seattle to Aurora (average of $197). Flying from Seattle to Aurora in March is currently the most expensive (average of $278). 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 SEA to 9UR?

Find hourly flight availability from Seattle to Aurora. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 22, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Aurora as you normally would.

What is the cheapest day to fly from Seattle to Aurora?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Aurora. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Aurora flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Aurora

Explore weekly flight availability from Seattle to Aurora. 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 22, 2025.

The most flights from SEA to 9UR are scheduled on a Thursday (47 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (33 on average).

Reviews of airlines servicing Aurora

Get insights into the airlines that provide service to Aurora. 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 Aurora. Reviews last updated September 22, 2025.
Read through reviews of airlines operating flights from Seattle to Aurora, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Southwest
8.0
Very good
4,244 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Delta
8.0
Very good
7,974 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
United Airlines
7.4
Good
8,926 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Frontier
5.8
Fair
3,166 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Aurora. 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 from for flights from Seattle to Aurora?

    If you book a flight to Aurora from Seattle, you will be flying from 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 39 flights from Seattle/Tacoma Intl to Aurora per day from 7 different airlines.

  • How popular is this Seattle to Aurora flight route?

    The Seattle/Tacoma Intl to Aurora flight path was viewed by 305 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 Seattle to Aurora?

    A quick flight from Seattle to Aurora can take about 2h 44m. Delta provides one of the quickest options available for as low as $157. The distance from Seattle to Aurora is about 1022 mi. Generally, flights for this route are nonstop.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $79. Users have also found prices from $79 and $79 on Alaska Airlines and United Airlines, respectively.

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

    The top 3 most reliable airlines when flying from Seattle to Aurora are ANA (82%), China Airlines (82%) and United Airlines (79%).

  • What are the cheapest flights from Seattle to Aurora?

    On average you can expect to pay $655 for a flight from Seattle to Aurora. The cheapest flight overall is $79 while the most popular route, (Seattle/Tacoma Intl - Denver Intl) is currently priced at $124.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Aurora 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 Seattle to Aurora?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Aurora (average of $197). Flying from Seattle to Aurora in March is currently the most expensive (average of $278). 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

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Top 7 airlines flying from Seattle to Aurora

Discover the top 7 airlines that operate flights from Seattle to Aurora. 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 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$67Average$162FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$87Average$233FlexibilityNo cancel feeOn-time85%
DeltaCheapest$118Average$279FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$124Average$304FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$150Average$394FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$168Average$303FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$169Average$306FlexibilityNo cancel feeOn-time71%

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