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$78+ 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SEA
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Aurora to Seattle/Tacoma Intl are usually found in September or October, booked 25 days in advance, depart on a Friday or Thursday and return on a Friday

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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$115
(Cheapflightsfares)

One-way from

$78
(Cheapflightsfares)

Popular in

July

Cheapest in

September

Average price

$202
Provider with most accurate pricing for Denver Intl-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Seattle/Tacoma Intl flights.
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From Aurora to Seattle/Tacoma Intl
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One-way flight from Aurora to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 5% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 4/2510:37 pmDEN - SEA
Nonstop3h 07mFrontier
Mon 4/286:00 amSEA - DEN
Nonstop2h 46mFrontier
Deal found 3/27$115
This Expedia deal was found by Cheapflights users on 3/27. 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.
Sat 4/2610:37 pmDEN - SEA
Nonstop3h 07mMultiple Airlines
Tue 4/295:30 amSEA - DEN
1 stop4h 51mMultiple Airlines
Deal found 3/27$143
This United Airlines deal was found by Cheapflights users on 3/27. 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 5/67:46 amDEN - SEA
Nonstop3h 01mUnited Airlines
Wed 5/147:00 amSEA - DEN
1 stop6h 59mUnited Airlines
Deal found 3/27$163
This Southwest deal was found by Cheapflights users on 3/27. 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 5/38:45 pmDEN - SEA
Nonstop3h 00mSouthwest
Tue 5/139:15 amSEA - DEN
1 stop8h 15mSouthwest
Deal found 3/27$167
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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.
Wed 4/232:39 pmDEN - SEA
Nonstop2h 56mAlaska Airlines
Wed 4/238:20 pmSEA - DEN
Nonstop2h 39mAlaska Airlines
Deal found 3/27$191
This Hawaiian Airlines deal was found by Cheapflights users on 3/27. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/168:01 pmDEN - SEA
Nonstop2h 59mHawaiian Airlines
Mon 5/198:23 pmSEA - DEN
Nonstop2h 42mHawaiian Airlines
Deal found 3/27$197
This Delta deal was found by Cheapflights users on 3/27. 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 9/57:50 pmDEN - SEA
Nonstop3h 06mDelta
Tue 9/91:30 pmSEA - DEN
Nonstop2h 55mDelta
Deal found 3/27$217
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 5/306:30 pmDEN - SEA
1 stop15h 51mSun Country Air
Sun 6/111:59 pmSEA - DEN
1 stop16h 28mSun Country Air
Deal found 3/27$314

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 28, 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

Fri 4/25

10:37 pm-12:44 am

Nonstop3h 07m

Seattle/Tacoma Intl

Mon 4/28

6:00 am-9:46 am

Nonstop2h 46m

$115

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Sat 5/10

10:36 pm-12:44 am

Nonstop3h 08m

Seattle/Tacoma Intl

Wed 5/21

8:23 pm-12:05 am

Nonstop2h 42m

$134

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Tue 5/6

7:46 am-9:47 am

Nonstop3h 01m

Seattle/Tacoma Intl

Wed 5/14

7:00 am-2:59 pm

1 stop6h 59m

$163

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Sat 4/26

7:00 am-9:00 am

Nonstop3h 00m

Seattle/Tacoma Intl

Tue 4/29

5:30 am-11:21 am

1 stop4h 51m

$167

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Sat 5/3

8:45 pm-10:45 pm

Nonstop3h 00m

Seattle/Tacoma Intl

Sat 5/10

10:10 am-8:35 pm

2 stops9h 25m

$172

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Wed 6/18

6:30 am-8:29 am

Nonstop2h 59m

Seattle/Tacoma Intl

Wed 6/25

6:00 pm-9:44 pm

Nonstop2h 44m

$197

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Tue 4/22

8:20 am-12:29 pm

1 stop5h 09m

Seattle/Tacoma Intl

Tue 4/29

5:30 am-11:21 am

1 stop4h 51m

$216

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Fri 5/30

6:30 pm-9:21 am

1 stop15h 51m

Seattle/Tacoma Intl

Sun 6/1

11:59 pm-5:27 pm

1 stop16h 28m

$314

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Sat 4/19

1:23 pm-3:32 pm

Nonstop3h 09m

$78

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Tue 5/20

8:01 pm-10:00 pm

Nonstop2h 59m

$79

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 17 results
1
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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 March 21, 2025.

To ensure you get the cheapest price possible for a flight from Aurora to Seattle, you should look to book at least 23 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 July is currently the most expensive (average of $411). 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 28, 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 May 5, 2024.

Travelers seeking maximum savings on their Aurora to Seattle flight should consider departing on Thursday afternoons when fares are most often at their lowest. Tuesday 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 28, 2025.

The most flights from 9UR to SEA are scheduled on a Thursday (39 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 28, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from Aurora to Seattle by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Food

7.1

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Food

7.1

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Food

7.1

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Food

7.1

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Hawaiian Airlines
7.9
Good
2,335 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Food

7.1

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Food

7.1

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 23 flights from Aurora to Seattle/Tacoma Intl per day from 8 different airlines.

  • How popular is this Aurora to Seattle flight route?

    This flight path from Aurora to Seattle/Tacoma Intl was viewed by 233 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 Aurora to Seattle one-way?

    $78 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and United Airlines, with prices starting from $79 and $84, 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: Japan Airlines (92%), KLM (91%), Korean Air (90%).

  • What are the cheapest flights from Aurora to Seattle?

    While on average a flight from Aurora to Seattle is generally $1,281, our data shows the cheapest flight currently is $68. When looking at the most popular route, (Denver Intl - Seattle/Tacoma Intl), you can expect to pay $125 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 July is currently the most expensive (average of $411). 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 Aurora?

Book flights to Aurora if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
Centralia
Mukilteo
Aberdeen
Shoreline
Lynnwood
Shelton
Silverdale
Redmond
Monroe

Browse thousands of different options on Cheapflights for your next trip

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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$57Average$139FlexibilityNo cancel feeOn-time62%
DeltaCheapest$101Average$362FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$108Average$253FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$118Average$328FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$138Average$270FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$147Average$360FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$206Average$304FlexibilityNo cancel feeOn-time71%
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