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$49+ Cheap flights from Denver to Seattle (DEN - 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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SEA
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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The best prices from Denver Intl to Seattle/Tacoma Intl are usually found in April or February, booked 27 days in advance, depart on a Saturday or Wednesday and return on a Wednesday

Cheap flight deals from Denver to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

July

Cheapest in

April

Round-trip from

$96
(Cheapflightsfares)

One-way from

$49
(Frontier)
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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High demand for flights, 19% potential price rise
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Best time to find cheap flights, 20% potential price drop
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From Denver Intl to Seattle/Tacoma Intl
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One-way flight from Denver Intl to Seattle/Tacoma Intl
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Find flight deals from Denver to Seattle

Cheapest flights from Denver to Seattle
Explore the most affordable flight options available from Denver to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Frontier deal was found by Cheapflights users on 11/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1711:00 amDEN - SEA
Nonstop3h 10mFrontier
Sat 1/410:29 amSEA - DEN
1 stop12h 10mFrontier
Deal found 11/20$83
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/186:00 amDEN - SEA
Nonstop3h 10mAlaska Airlines
Tue 1/77:45 pmSEA - DEN
Nonstop2h 44mAlaska Airlines
Deal found 11/20$117
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/196:29 pmDEN - SEA
1 stop6h 59mDelta
Sun 1/57:25 amSEA - DEN
Nonstop2h 50mDelta
Deal found 11/20$127
This United Airlines deal was found by Cheapflights users on 11/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/187:45 amDEN - SEA
1 stop8h 36mUnited Airlines
Wed 12/254:30 pmSEA - DEN
1 stop7h 05mUnited Airlines
Deal found 11/20$162
This Travelocity deal was found by Cheapflights users on 11/19. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/129:17 amDEN - SEA
Nonstop3h 12mMultiple Airlines
Sat 12/144:30 pmSEA - DEN
Nonstop2h 39mMultiple Airlines
Deal found 11/19$163

Find flights from Denver to Seattle within your budget

Customize your flight search to find flights from Denver 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Wed 3/19

6:35 am-8:37 am

Nonstop3h 02m

Seattle/Tacoma Intl

Wed 3/26

10:08 pm-1:51 am

Nonstop2h 43m

$92

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Fri 12/13

7:45 pm-10:10 pm

Nonstop3h 25m

Seattle/Tacoma Intl

Thu 12/19

7:25 am-11:15 am

Nonstop2h 50m

$117

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Fri 2/21

10:30 am-12:36 pm

Nonstop3h 06m

Seattle/Tacoma Intl

Tue 2/25

7:55 am-11:42 am

Nonstop2h 47m

$138

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Wed 1/22

4:45 pm-6:52 pm

Nonstop3h 07m

Seattle/Tacoma Intl

Tue 1/28

6:59 pm-10:36 pm

Nonstop2h 37m

$147

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Wed 12/18

7:45 am-3:21 pm

1 stop8h 36m

Seattle/Tacoma Intl

Wed 12/25

4:30 pm-12:35 am

1 stop7h 05m

$222

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Mon 12/16

11:24 am-1:34 pm

Nonstop3h 10m

$49

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Wed 12/11

12:10 pm-2:20 pm

Nonstop3h 10m

$59

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Tue 1/7

6:00 am-11:20 am

1 stop6h 20m

$64

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Sun 12/22

9:50 pm-11:59 pm

Nonstop3h 09m

$94

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Fri 1/31

9:40 am-4:35 pm

2 stops7h 55m

$143

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 12 results
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Compare providers for flights from Denver to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Seattle in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy2 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
MytripPrice Accuracy3 starsTrust Score*3 stars
FlightsMojoPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Seattle

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

Travel insights for flights from Denver to Seattle

Get recent, data-driven insights about flights from Denver to Seattle including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Denver to Seattle. Price data was last updated on November 15, 2024.

To ensure you get the cheapest price possible for a flight from Denver to Seattle, you should look to book at least 27 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 Denver to Seattle?

Currently, January is the cheapest month in which you can book a flight from Denver to Seattle (average of $238). Flying from Denver 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 DEN to SEA?

Find hourly flight availability from Denver 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 November 20, 2024.

When flying from Denver to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 3% versus a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Denver to Seattle. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Denver to Seattle flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Denver to Seattle

Explore weekly flight availability from Denver 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 November 20, 2024.

The most flights from DEN to SEA are scheduled on a Tuesday (32 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 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 November 20, 2024.
Read through reviews of airlines operating flights from Denver to Seattle, such as Delta, Alaska Airlines and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Crew

8.7

Overall

8.1

Food

7.2

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Denver to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Denver to Seattle?

    You will need to book a flight from Denver Intl to Seattle/Tacoma Intl if you want to fly from Denver to Seattle. At least 6 different airlines have flights from Denver Intl (DEN) to Seattle/Tacoma Intl (SEA) on a regular basis. There are 20 flights to Seattle from the Denver airport per day. If you manage to book one that is nonstop, then you can expect the flight time from DEN to SEA to be around 3h 02m.

  • How popular is this Denver to Seattle flight route?

    Within the past month, 212 users have taken a look at flights from Denver Intl to Seattle/Tacoma Intl.

  • What are the cheapest airlines flying from Denver to Seattle round-trip?

    Frontier, at $96, was found to be the cheapest airline from Denver to Seattle.Alternate airlines to your destination round-trip include Delta and Alaska Airlines. Users have found that Frontier is 43% cheaper than the other options available to this destination.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $49. Users have also found prices from $59 and $64 on Delta and United Airlines, respectively.

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

    Before booking your flight to Seattle from Denver, check out the most reliable airlines to get you to your destination on time: SWISS (100%), Air France (92%), WestJet( 91%).

  • What are the cheapest flights from Denver to Seattle?

    Looking at all options, your cheapest flight can be booked for $49. While the most popular route (Denver Intl - Seattle/Tacoma Intl) can be booked for $94 on average our data indicates $770 when flying from Denver to Seattle.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Denver to Seattle (average of $238). Flying from Denver 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.

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Alternative routes for Denver to Seattle

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Top 5 airlines flying from Denver to Seattle

Discover the top 5 airlines that operate flights from Denver 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$55Average$125FlexibilityNo cancel feeOn-time62%
DeltaCheapest$88Average$216FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$119Average$257FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$136Average$290FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$140Average$217FlexibilityNo cancel feeOn-time63%
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