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$87+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SEA
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheapflights Tip: The best prices from Aurora to Seattle/Tacoma Intl are usually found in October or September, booked 88 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 May 1, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$136
(Cheapflightsfares)

One-way from

$87
(Cheapflightsfares)

Popular in

July

Cheapest in

October

Average price

$198
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. 6% 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 May 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 May 1, 2025.

This Frontier deal was found by Cheapflights users on 4/30. 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 6/610:29 pmDEN - SEA
Nonstop3h 05mFrontier
Tue 6/106:25 amSEA - DEN
Nonstop2h 47mFrontier
Deal found 4/30$136
This Orbitz deal was found by Cheapflights users on 4/29. 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.
Thu 8/710:29 pmDEN - SEA
Nonstop3h 05mMultiple Airlines
Mon 8/115:25 amSEA - DEN
1 stop4h 12mMultiple Airlines
Deal found 4/29$192
This Delta deal was found by Cheapflights users on 4/29. 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.
Sat 8/97:40 pmDEN - SEA
Nonstop3h 07mDelta
Thu 8/212:54 pmSEA - DEN
Nonstop2h 55mDelta
Deal found 4/29$207
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 8/87:11 pmDEN - SEA
1 stop4h 48mAlaska Airlines
Sat 8/236:12 pmSEA - DEN
Nonstop2h 47mAlaska Airlines
Deal found 4/29$227
This KAYAK deal was found by Cheapflights users on 4/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/910:35 pmDEN - SEA
Nonstop2h 50mSouthwest
Fri 6/137:50 pmSEA - DEN
Nonstop2h 40mSouthwest
Deal found 4/29$235
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/134:05 pmDEN - SEA
Nonstop3h 01mUnited Airlines
Wed 5/147:00 amSEA - DEN
1 stop6h 59mUnited Airlines
Deal found 4/29$243
This Hawaiian Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 7/168:32 pmDEN - SEA
Nonstop3h 03mHawaiian Airlines
Sun 7/205:25 amSEA - DEN
1 stop4h 12mHawaiian Airlines
Deal found 4/29$247
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/204:30 pmDEN - SEA
1 stop7h 39mAmerican Airlines
Tue 5/276:14 amSEA - DEN
1 stop8h 46mAmerican Airlines
Deal found 4/29$274
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 6/139:30 amDEN - SEA
1 stop14h 20mSun Country Air
Sun 6/1511:59 pmSEA - DEN
1 stop8h 20mSun Country Air
Deal found 4/30$289

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 May 1, 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 6/6

10:29 pm-12:34 am

Nonstop3h 05m

Seattle/Tacoma Intl

Mon 6/9

6:25 am-10:12 am

Nonstop2h 47m

$136

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Tue 8/5

3:03 pm-5:00 pm

Nonstop2h 57m

Seattle/Tacoma Intl

Tue 8/5

8:17 pm-11:59 pm

Nonstop2h 42m

$191

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Sat 7/26

9:36 pm-11:42 pm

Nonstop3h 06m

Seattle/Tacoma Intl

Sun 8/3

5:25 am-10:37 am

1 stop4h 12m

$202

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Tue 8/5

9:15 pm-11:10 pm

Nonstop2h 55m

Seattle/Tacoma Intl

Wed 8/13

9:55 am-6:00 pm

1 stop7h 05m

$217

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Wed 5/14

7:16 pm-12:59 am

1 stop6h 43m

Seattle/Tacoma Intl

Sat 5/17

7:00 am-2:59 pm

1 stop6h 59m

$252

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Wed 5/21

1:45 pm-3:43 pm

Nonstop2h 58m

Seattle/Tacoma Intl

Tue 6/10

9:33 am-10:25 pm

2 stops11h 52m

$260

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Tue 6/24

11:33 am-3:24 pm

1 stop4h 51m

Seattle/Tacoma Intl

Wed 7/2

5:25 am-10:37 am

1 stop4h 12m

$265

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Tue 5/20

4:30 pm-11:09 pm

1 stop7h 39m

Seattle/Tacoma Intl

Wed 5/21

6:14 am-4:00 pm

1 stop8h 46m

$274

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Thu 8/28

10:17 am-10:43 pm

1 stop13h 26m

Seattle/Tacoma Intl

Sun 8/31

11:55 pm-9:19 am

1 stop8h 24m

$275

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Thu 5/15

10:36 pm-12:44 am

Nonstop3h 08m

$87

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 18 results
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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 April 25, 2025.

To ensure you get the cheapest price possible for a flight from Aurora to Seattle, you should look to book at least 88 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 $405). 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 May 1, 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 May 1, 2025.

The most flights from 9UR to SEA are scheduled on a Wednesday (43 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 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 May 1, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,294 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,409 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 29 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 234 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?

    $87 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 Delta, with prices starting from $108 and $109, 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: Condor (96%), Japan Airlines (95%), KLM (94%).

  • What are the cheapest flights from Aurora to Seattle?

    While on average a flight from Aurora to Seattle is generally $625, our data shows the cheapest flight currently is $92. When looking at the most popular route, (Denver Intl - Seattle/Tacoma Intl), you can expect to pay $136 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 $405). 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
Ocean Shores
Lacey
Leavenworth
Federal Way
Olympia
Shoreline
Cle Elum
Centralia
Kent
Lynnwood
Aberdeen
Shelton
Silverdale
Redmond
Issaquah

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$145FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$108Average$250FlexibilityNo cancel feeOn-time85%
DeltaCheapest$109Average$349FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$127Average$335FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$148Average$358FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$150Average$272FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$206Average$282FlexibilityNo cancel feeOn-time71%

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