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Cheap flights from Seattle to Denver from $49

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Denver departing on 7/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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To?
Sun 5/26
Sun 6/2

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Easily compare round-trip flights from Seattle to Denver

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Seattle to Denver by changing tabs
Frontier
Sep 14
SEA10:08 pmSeattle/Tacoma Intl
2h 43m
DEN1:51 amDenver Intl
Sep 19
DEN6:35 amDenver Intl
3h 02m
SEA8:37 amSeattle/Tacoma Intl
Multiple Airlines
Jun 4
SEA8:14 pmSeattle/Tacoma Intl
3h 01m
DEN12:15 amDenver Intl
Jun 5
DEN4:45 pmDenver Intl
16h 17m
1 stop
SEA8:02 amSeattle/Tacoma Intl
Sun Country Air
May 31
SEA11:59 pmSeattle/Tacoma Intl
15h 56m
1 stop
DEN4:55 pmDenver Intl
Jun 2
DEN6:10 pmDenver Intl
14h 35m
1 stop
SEA7:45 amSeattle/Tacoma Intl
Alaska Airlines
Jun 26
SEA6:00 amSeattle/Tacoma Intl
2h 44m
DEN9:44 amDenver Intl
Jun 30
DEN6:00 amDenver Intl
2h 58m
SEA7:58 amSeattle/Tacoma Intl
Frontier
Jun 5
SEA9:41 pmSeattle/Tacoma Intl
2h 53m
DEN1:34 amDenver Intl
Jun 11
DEN6:36 amDenver Intl
3h 03m
SEA8:39 amSeattle/Tacoma Intl
Frontier
Jun 18
SEA8:12 pmSeattle/Tacoma Intl
2h 58m
DEN12:10 amDenver Intl
Jun 19
DEN5:06 amDenver Intl
3h 00m
SEA7:06 amSeattle/Tacoma Intl

Find the cheapest one-way flights from Seattle to Denver

If you're looking for one-way flights from Seattle to Denver, view some of our deals below provided by Alaska Airlines, Delta and Frontier
Frontier
Jul 2
SEA8:12 pmSeattle/Tacoma Intl
2h 58m
DEN12:10 amDenver Intl
Delta
Jun 25
SEA7:30 amSeattle/Tacoma Intl
2h 50m
DEN11:20 amDenver Intl
Sun Country Air
May 31
SEA11:59 pmSeattle/Tacoma Intl
15h 56m
1 stop
DEN4:55 pmDenver Intl

Search last-minute flights to Denver from Seattle

Find and compare round-trip flight prices for your last-minute flight from Seattle to Denver
Frontier
May 28
SEA8:14 pmSeattle/Tacoma Intl
3h 01m
DEN12:15 amDenver Intl
Jun 11
DEN5:10 pmDenver Intl
3h 00m
SEA7:10 pmSeattle/Tacoma Intl
Sun Country Air
May 31
SEA11:59 pmSeattle/Tacoma Intl
15h 56m
1 stop
DEN4:55 pmDenver Intl
Jun 2
DEN6:10 pmDenver Intl
14h 35m
1 stop
SEA7:45 amSeattle/Tacoma Intl
Multiple Airlines
May 31
SEA11:59 pmSeattle/Tacoma Intl
15h 56m
1 stop
DEN4:55 pmDenver Intl
Jun 4
DEN5:12 pmDenver Intl
3h 02m
SEA7:14 pmSeattle/Tacoma Intl
Frontier
May 29
SEA8:34 amSeattle/Tacoma Intl
2h 52m
DEN12:26 pmDenver Intl
Jun 3
DEN6:35 amDenver Intl
3h 05m
SEA8:40 amSeattle/Tacoma Intl
Alaska Airlines
May 30
SEA11:26 amSeattle/Tacoma Intl
4h 11m
1 stop
DEN4:37 pmDenver Intl
Jun 4
DEN5:37 pmDenver Intl
5h 17m
1 stop
SEA9:54 pmSeattle/Tacoma Intl
Frontier
May 30
SEA9:30 amSeattle/Tacoma Intl
3h 01m
DEN1:31 pmDenver Intl
Jun 2
DEN5:01 amDenver Intl
3h 03m
SEA7:04 amSeattle/Tacoma Intl

Sun Country Air flights from Seattle to Denver

Our best Sun Country Air deals on Seattle to Denver flight tickets
Sun Country Air
May 31
SEA11:59 pmSeattle/Tacoma Intl
15h 56m
1 stop
DEN4:55 pmDenver Intl
Jun 2
DEN6:10 pmDenver Intl
14h 35m
1 stop
SEA7:45 amSeattle/Tacoma Intl
Sun Country Air
May 27
SEA11:59 pmSeattle/Tacoma Intl
8h 01m
1 stop
DEN9:00 amDenver Intl
May 31
DEN5:25 pmDenver Intl
15h 35m
1 stop
SEA8:00 amSeattle/Tacoma Intl
Sun Country Air
Jun 1
SEA9:10 amSeattle/Tacoma Intl
6h 45m
1 stop
DEN4:55 pmDenver Intl
Jun 7
DEN9:58 amDenver Intl
8h 01m
1 stop
SEA4:59 pmSeattle/Tacoma Intl

Alaska Airlines flights from Seattle to Denver

Our best Alaska Airlines deals on Seattle to Denver flight tickets
Alaska Airlines
Jun 26
SEA6:00 amSeattle/Tacoma Intl
2h 44m
DEN9:44 amDenver Intl
Jun 30
DEN6:00 amDenver Intl
2h 58m
SEA7:58 amSeattle/Tacoma Intl
Alaska Airlines
Jun 17
SEA8:18 pmSeattle/Tacoma Intl
2h 40m
DEN11:58 pmDenver Intl
Jun 27
DEN6:00 amDenver Intl
2h 58m
SEA7:58 amSeattle/Tacoma Intl
Alaska Airlines
Jun 22
SEA8:18 pmSeattle/Tacoma Intl
2h 40m
DEN11:58 pmDenver Intl
Jun 29
DEN9:59 pmDenver Intl
2h 59m
SEA11:58 pmSeattle/Tacoma Intl

How to get the cheapest flight ticket from Seattle to Denver

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 Seattle to Denver?

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

What is the cheapest day to depart Seattle for Denver?

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

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

In the afternoon. Seattle to Denver flights are approximately 19% more expensive in the morning than in the afternoon

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

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

What is the cheapest Seattle to Denver flight route?

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

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

34 days before. The cheapest time to buy a flight from Seattle to Denver is approximately 34 days to departure

How many flights depart from Seattle to Denver on average per day?

The number of flights available between Seattle and Denver is 31 per day as of May 2024. The most frequent departure time is 9:00AM, with 46% of daily flights leaving at noon.

How many flights depart from Seattle to Denver on average per week?

As of May 2024, there are 219 flights per week flying from Seattle to Denver. The most common day of the week flights depart is Monday, with 17% of flights taking off on this day.

What cabin class options are available on Seattle to Denver flights?

There are 4 cabin classes available to choose from on Seattle to Denver flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to Denver flights?

No. A direct flight is the cheapest option for a flight between Seattle to Denver.

Cheap Seattle to Denver (SEA to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Denver

Best Price Found

$49

Fastest flight time

2h 38m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from Seattle in the past 72 hours is $49. The best round-trip flight deal from Seattle to Denver found on momondo in the last 72 hours is $90.
The fastest flight from Seattle to Denver takes 2h 38m
Direct flights go from Seattle to Denver every day.
There is 1 airport near Denver: Denver Intl (DEN)

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

    A flight from Seattle/Tacoma Intl to Denver Intl will travel around 1019.6 mi. Flights usually cover this in 2h 38m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Denver Intl Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Denver Intl Airport refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Denver Intl Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Denver Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The necessary travel and health documents for your Denver Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


Best airlines flying from Seattle to Denver

Compare and see reviews for airlines that fly from Seattle to Denver with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $40Free CancellationRating
6.2
4,049 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $62Free CancellationRating
6.4
8,655 reviews
Search Spirit Airlines flights
DeltaPriceFrom $79Free CancellationRating
8.0
10,595 reviews
Search Delta flights
Alaska AirlinesPriceFrom $89Free CancellationRating
8.0
9,163 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $99Free CancellationRating
7.4
10,884 reviews
Search United Airlines flights
American AirlinesPriceFrom $269Free CancellationRating
7.3
14,447 reviews
Search American Airlines flights
  • Delta Flights From Seattle to Denver

    Delta operates around 19 flights from Seattle to Denver every week. The average price of these flights found in the last 72 hours has been $216, but momondo users have found Delta deals from Seattle to Denver from as low as $79 round-trip. Delta has been scored 8.0/10 in 10,595 reviews.

  • Alaska Airlines Flights From Seattle to Denver

    Across 9,163 Alaska Airlines reviews on momondo, the average score is 8.0/10. Alaska Airlines flies from Seattle to Denver about 19 times each week, with ticket deals ranging from $89 to $240. Price data is based on momondo searches in the last 72 hours.


Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Denver?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Denver for you.

Can I find flights from Seattle to Denver with flexible booking policies on momondo?

Flights from Seattle to Denver with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Denver?

momondo provides multiple filters to help you find the best flight to Denver from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seattle to Denver right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Seattle to Denver flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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Sun 5/26
Sun 6/2
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