Cheap flights from Denver to Seattle

Round-trip
1 adult
Economy
From?
To?
Tue 8/3
Tue 8/10

Travel Restriction Alert

The COVID-19 (coronavirus) outbreak may impact travel from Denver Intl to Seattle.
View current United States travel restrictions

Flight information for Denver to Seattle
(DEN to SEA)

Find info about flight duration, direct flights, and airports for your flight from Denver to Seattle
Best Price Found$86The best flight deal from Denver to Seattle found on momondo in the last 72 hours is $86
Fastest flight time2h 51mThe fastest flight from Denver to Seattle takes 2h 51m
Direct flightsMon, Tue, Wed, Fri, Sat and SunDirect flights go from Denver to Seattle on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. Airlines offering direct flights are: American Airlines and Alaska Airlines.
Airports in Seattle3 airportsThere are 3 airports near Seattle: Seattle King County/Boeing (BFI), Seattle Lake Union Spb (LKE), Seattle/Tacoma Intl (SEA)

How to get the cheapest flight ticket from Denver to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

January

The cheapest time of year to fly to Seattle from Denver is January. Most expensive is December

What is the cheapest day to depart Denver for Seattle?

Tuesday

The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday

When is the cheapest time to fly from Denver to Seattle?

at noon

Denver to Seattle flights are approximately 8% more expensive in the afternoon than at noon

What is the cheapest airline that flies to Seattle from Denver?

Major Airline

Alaska Airlines, American Airlines, and Delta are the most popular carriers operating from Denver to Seattle

What is the cheapest Denver to Seattle flight route?

Denver Intl - Seattle/Tacoma Intl

Fly from Denver Intl to Seattle/Tacoma Intl for the best Denver - Seattle flight prices

How far in advance should you book Denver to Seattle flights?

17 days before

The cheapest time to buy a flight from Denver to Seattle is approximately 17 days to departure


Easily compare round-trip flights from Denver to Seattle

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Denver to Seattle by changing tabs
Major Airline
DENDenver Intl
2h 46m
SEASeattle/Tacoma Intl

Find the cheapest one-way flights from Denver to Seattle

If you're looking for one-way flights from Denver to Seattle, view some of our deals below provided by Major Airline
Major Airline
DENDenver Intl
2h 46m
SEASeattle/Tacoma Intl

Best airlines flying from Denver to Seattle

Compare and see reviews for airlines that fly from Denver to Seattle with momondo
AirlineRatingFree CancellationPrice
Frontier
PriceFrom $58
Free Cancellation
Rating
6.0
6.4

Boarding

5.8

Comfort

6.7

Crew

4.9

Entertainment

5.2

Food

Reviews

Pros: Everything good

1 / 10
American Airlines
PriceFrom $58
Free Cancellation
Rating
7.2
7.4

Boarding

7.1

Comfort

7.8

Crew

7.0

Entertainment

6.8

Food

Reviews

Pros: Delayed flight no reasons seems like American Airlines don’t know what to do in these situations

Cons: I believe this airlines should have figured the answer to this question by now.

1 / 10
Delta
PriceFrom $69
Free Cancellation
Rating
8.2
8.3

Boarding

8.5

Comfort

8.3

Crew

7.9

Entertainment

8.0

Food

Reviews

Cons: Wouldn't let us on the flight when there was plenty of time to get there. Manager was arrogant and slow - didn't care. Poor policies at that airport.

1 / 10
United Airlines
PriceFrom $78
Free Cancellation
Rating
6.8
7.2

Boarding

6.6

Comfort

7.5

Crew

6.6

Entertainment

6.1

Food

Reviews

Pros: Everything! From ticketing agent to all the crew on our flight back were awesome. Thank you!

1 / 10
Alaska Airlines
PriceFrom $78
Free Cancellation
Rating
8.3
8.7

Boarding

8.4

Comfort

8.7

Crew

8.1

Entertainment

7.6

Food

Reviews

Pros: The comfort of the plane was great! Lots of room and very comfortable seating.

Cons: I found some members of staff to be a bit rude. When other passengers asked questions or did something wrong (that was a minor issue), one of the staff members in particular talked down to them and treated them like they were stupid.

1 / 10
Spirit Airlines
PriceFrom $87
Free Cancellation
Rating
6.5
6.8

Boarding

6.1

Comfort

7.2

Crew

5.5

Entertainment

5.6

Food

Reviews

Pros: Well, it was not very comfortable and we were delayed for an hour. And a crew member was sick.

Cons: Mostly everything.

1 / 10
Southwest
PriceFrom $101
Free Cancellation
Rating
8.3
8.5

Boarding

8.4

Comfort

8.7

Crew

7.5

Entertainment

7.7

Food

Reviews

Pros: The plane was new and the seats were nice.

1 / 10

  • Are airlines flying from Denver Intl to Seattle/Tacoma Intl offering flexible cancellation due to COVID-19?

    Some of our partner airlines flying from Denver Intl to Seattle/Tacoma Intl are adopting new policies due to the global impact of COVID-19. Some of the airlines that may be waiving their cancellation fees are Delta, Alaska Airlines, and Frontier. You can search for the full list of airlines like Delta that are offering this flexibility.

  • How far is Denver Intl to Seattle/Tacoma Intl by plane?

    A flight from Denver Intl to Seattle/Tacoma Intl will travel around 1019.6 mi. 2h 54m is a normal flight duration for this route.


Can I fly to Seattle/Tacoma Intl from Denver Intl right now?

Information is based on travel restrictions for travel to Seattle/Tacoma Intl within the United States

Most visitors from Denver Intl need to provide a negative COVID-19 test result and/or quarantine to enter Seattle/Tacoma Intl.

COVID-19 testing requirements
Visitors from Denver Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Denver Intl are not required to quarantine after entering Seattle/Tacoma Intl.

Can I fly back to Denver Intl from Seattle/Tacoma Intl?

Returning to Denver Intl from Seattle/Tacoma Intl

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Denver Intl.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Denver Intl.

If you are planning to travel to Seattle at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.

Alternative routes for Denver to Seattle

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
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