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Aurora

$87+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DEN
Jul 30 — Aug 61
Wed 7/30
Wed 8/6
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Aurora are usually found in October or September, booked 79 days in advance, depart on a Saturday or Thursday 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 July 25, 2025.

Round-trip from

$129
(Cheapflightsfares)

One-way from

$87
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$213
From Seattle/Tacoma Intl to Aurora
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One-way flight from Seattle/Tacoma Intl to Aurora
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Highest demand for flights based on searches. 0% potential increase in price ($0 potential increase over avg. RT price).
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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 July 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 July 25, 2025.

This Frontier deal was found by Cheapflights users on 7/24. 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.
Sat 9/67:00 amSEA - DEN
Nonstop2h 53mFrontier
Mon 9/810:29 pmDEN - SEA
Nonstop3h 01mFrontier
Deal found 7/24$129
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/146:00 pmSEA - DEN
Nonstop2h 44mDelta
Mon 8/186:50 amDEN - SEA
Nonstop2h 54mDelta
Deal found 7/23$157
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/32:06 pmSEA - DEN
Nonstop2h 44mAlaska Airlines
Mon 11/38:02 pmDEN - SEA
Nonstop3h 11mAlaska Airlines
Deal found 7/22$159
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Thu 8/145:59 pmSEA - DEN
Nonstop2h 48mHawaiian Airlines
Mon 8/186:00 amDEN - SEA
Nonstop3h 01mHawaiian Airlines
Deal found 7/23$160
This United Airlines deal was found by Cheapflights users on 7/24. 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 9/165:02 amSEA - DEN
Nonstop2h 41mUnited Airlines
Tue 9/2311:40 amDEN - SEA
1 stop8h 09mUnited Airlines
Deal found 7/24$163
This Southwest deal was found by Cheapflights users on 7/24. 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 9/169:55 amSEA - DEN
1 stop7h 05mSouthwest
Tue 9/238:30 amDEN - SEA
Nonstop2h 55mSouthwest
Deal found 7/24$167
This American Airlines deal was found by Cheapflights users on 7/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:11 amSEA - DEN
1 stop7h 16mAmerican Airlines
Tue 9/238:00 amDEN - SEA
1 stop7h 34mAmerican Airlines
Deal found 7/24$177

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 July 25, 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

Sat 8/16

6:25 am-10:14 am

Nonstop2h 49m

Denver Intl

Mon 8/18

10:29 pm-12:34 am

Nonstop3h 05m

$129

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Thu 8/14

8:17 pm-11:59 pm

Nonstop2h 42m

Denver Intl

Mon 8/18

6:00 am-8:01 am

Nonstop3h 01m

$156

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Thu 8/14

6:00 pm-9:44 pm

Nonstop2h 44m

Denver Intl

Mon 8/18

6:50 am-8:44 am

Nonstop2h 54m

$157

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Thu 8/14

5:59 pm-9:47 pm

Nonstop2h 48m

Denver Intl

Mon 8/18

6:00 am-8:01 am

Nonstop3h 01m

$160

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Tue 9/16

5:02 am-8:43 am

Nonstop2h 41m

Denver Intl

Tue 9/23

11:40 am-6:49 pm

1 stop8h 09m

$163

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Tue 9/16

9:55 am-6:00 pm

1 stop7h 05m

Denver Intl

Tue 9/23

8:30 am-10:25 am

Nonstop2h 55m

$167

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Tue 9/16

6:11 am-2:27 pm

1 stop7h 16m

Denver Intl

Tue 9/23

8:00 am-2:34 pm

1 stop7h 34m

$177

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Sun 9/28

8:40 pm-12:20 am

Nonstop2h 40m

$87

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Sat 10/18

6:30 am-3:32 pm

1 stop8h 02m

$89

SeattleDenver

SEA - DEN

SEADEN

Seattle/Tacoma Intl

Fri 9/12

11:20 am-6:37 pm

1 stop6h 17m

$96

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 15 results
1
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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 July 18, 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 79 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 July 25, 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 Wednesday 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 July 25, 2025.

The most flights from SEA to 9UR are scheduled on a Thursday (55 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (30 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 July 25, 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

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,235 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,967 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,595 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,880 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 43 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 300 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $87. Users have also found prices from $88 and $89 on Southwest and American 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 (77%), United Airlines (73%) and Scandinavian Airlines (73%).

  • What are the cheapest flights from Seattle to Aurora?

    On average you can expect to pay $593 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 $89.

  • 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 July 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$60Average$156FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$98Average$238FlexibilityNo cancel feeOn-time85%
DeltaCheapest$108Average$273FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$124Average$301FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$149Average$365FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$167Average$302FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$169Average$246FlexibilityNo cancel feeOn-time71%

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