Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Denver from C$ 78

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 29/11. 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

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Early arrival? Instantly customize your results
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Seattle to Denver

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Denver that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Denver.

Cheap last-minute flights

Planning a quick getaway from Seattle to Denver? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Denver, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Denver

Find recent round-trip train or bus tickets from Seattle to Denver.

All round-trip flight deals to Denver

The cheapest plane tickets to Denver found on KAYAK recently.
9:37 a.m. - 1:25 p.m.SEA-DEN
2h 48mdirect
6:35 a.m. - 8:37 a.m.DEN-SEA
3h 02mdirect
C$ 141Frontier
Find Deal
Wed, 19 Feb - Sun, 23 Feb
3:15 p.m. - 7:02 p.m.SEA-DEN
2h 47mdirect
10:58 a.m. - 8:52 p.m.DEN-SEA
10h 54m1 stop
C$ 147Frontier
Find Deal
Fri, 10 Jan - Mon, 13 Jan
7:50 p.m. - 11:31 p.m.SEA-DEN
2h 41mdirect
6:05 a.m. - 8:20 a.m.DEN-SEA
3h 15mdirect
C$ 154Delta
Find Deal
Wed, 4 Dec - Sat, 7 Dec
5:00 a.m. - 8:47 a.m.SEA-DEN
2h 47mdirect
7:45 a.m. - 3:21 p.m.DEN-SEA
8h 36m1 stop
C$ 188United Airlines
Find Deal
Sat, 7 Dec - Wed, 11 Dec
7:50 p.m. - 11:31 p.m.SEA-DEN
2h 41mdirect
6:05 a.m. - 8:20 a.m.DEN-SEA
3h 15mdirect
C$ 193Delta
Find Deal
Tue, 3 Dec - Sat, 7 Dec
8:23 p.m. - 11:59 p.m.SEA-DEN
2h 36mdirect
6:00 a.m. - 8:10 a.m.DEN-SEA
3h 10mdirect
C$ 196Alaska Airlines
Find Deal
Sun, 8 Dec - Thu, 12 Dec
7:45 p.m. - 11:29 p.m.SEA-DEN
2h 44mdirect
6:00 a.m. - 8:14 a.m.DEN-SEA
3h 14mdirect
C$ 200Alaska Airlines
Find Deal
Sat, 14 Dec - Sat, 4 Jan
5:00 a.m. - 8:43 a.m.SEA-DEN
2h 43mdirect
7:45 a.m. - 3:45 p.m.DEN-SEA
9h 00m1 stop
C$ 246United Airlines
Find Deal
Sat, 1 Feb - Sat, 8 Feb
8:00 a.m. - 4:55 p.m.SEA-DEN
7h 55m2 stops
10:25 p.m. - 12:25 a.m.DEN-SEA
3h 00mdirect
C$ 255Southwest
Find Deal
Tue, 19 Nov - Thu, 21 Nov
5:50 a.m. - 2:10 p.m.SEA-DEN
7h 20m2 stops
10:25 p.m. - 12:25 a.m.DEN-SEA
3h 00mdirect
C$ 277Southwest
Find Deal
Sat, 16 Nov - Sun, 24 Nov
7:45 p.m. - 11:29 p.m.SEA-DEN
2h 44mdirect
C$ 78Alaska Airlines
Find Deal
Fri, 29 Nov
4:24 p.m. - 9:54 a.m.SEA-DEN
16h 30m1 stop
C$ 88Frontier
Find Deal
Sat, 16 Nov
7:40 p.m. - 11:20 p.m.SEA-DEN
2h 40mdirect
C$ 110Delta
Find Deal
Wed, 22 Jan
7:50 p.m. - 11:31 p.m.SEA-DEN
2h 41mdirect
C$ 117Delta
Find Deal
Tue, 3 Dec
6:10 a.m. - 9:52 a.m.SEA-DEN
2h 42mdirect
C$ 120Alaska Airlines
Find Deal
Sun, 8 Dec
6:25 p.m. - 10:11 p.m.SEA-DEN
2h 46mdirect
C$ 124Delta
Find Deal
Wed, 25 Dec
3:25 p.m. - 10:45 p.m.SEA-DEN
6h 20m1 stop
C$ 136United Airlines
Find Deal
Wed, 12 Feb
3:04 p.m. - 10:28 p.m.SEA-DEN
6h 24m1 stop
C$ 138United Airlines
Find Deal
Thu, 20 Feb
12:25 p.m. - 8:45 p.m.SEA-DEN
7h 20m2 stops
C$ 166Southwest
Find Deal
Thu, 30 Jan
7:30 a.m. - 3:55 p.m.SEA-DEN
7h 25m2 stops
C$ 171Southwest
Find Deal
Tue, 10 Dec
8:00 a.m. - 4:55 p.m.SEA-DEN
7h 55m2 stops
8:55 p.m. - 10:55 p.m.DEN-SEA
3h 00mdirect
C$ 312Southwest
Find Deal
Tue, 5 Nov - Tue, 5 Nov
1:10 p.m. - 4:45 p.m.SEA-DEN
2h 35mdirect
3:35 p.m. - 11:00 p.m.DEN-SEA
8h 25m2 stops
C$ 413Southwest
Find Deal
Tue, 5 Nov - Wed, 6 Nov
6:35 a.m. - 1:10 p.m.SEA-DEN
5h 35m1 stop
5:51 p.m. - 10:32 p.m.DEN-SEA
5h 41m1 stop
C$ 419Alaska Airlines
Find Deal
Tue, 5 Nov - Thu, 7 Nov
10:05 a.m. - 7:10 p.m.SEA-DEN
8h 05m1 stop
3:35 p.m. - 11:00 p.m.DEN-SEA
8h 25m2 stops
C$ 426Southwest
Find Deal
Tue, 5 Nov - Wed, 6 Nov
8:00 a.m. - 4:55 p.m.SEA-DEN
7h 55m2 stops
4:40 p.m. - 6:40 p.m.DEN-SEA
3h 00mdirect
C$ 433Southwest
Find Deal
Tue, 5 Nov - Tue, 19 Nov
8:30 a.m. - 12:14 p.m.SEA-DEN
2h 44mdirect
7:50 a.m. - 9:58 a.m.DEN-SEA
3h 08mdirect
C$ 511United Airlines
Find Deal
Fri, 1 Nov - Sun, 3 Nov
6:06 a.m. - 9:47 a.m.SEA-DEN
2h 41mdirect
12:41 p.m. - 6:52 p.m.DEN-SEA
7h 11m1 stop
C$ 516Alaska Airlines
Find Deal
Mon, 4 Nov - Mon, 4 Nov
7:55 p.m. - 11:38 p.m.SEA-DEN
2h 43mdirect
5:30 a.m. - 9:20 a.m.DEN-SEA
4h 50m1 stop
C$ 525Delta
Find Deal
Fri, 1 Nov - Sun, 3 Nov
7:15 a.m. - 12:35 p.m.SEA-DEN
4h 20m1 stop
5:30 a.m. - 9:20 a.m.DEN-SEA
4h 50m1 stop
C$ 537Delta
Find Deal
Fri, 1 Nov - Mon, 4 Nov
4:35 p.m. - 11:59 p.m.SEA-DEN
6h 24m1 stop
1:35 p.m. - 9:07 p.m.DEN-SEA
8h 32m2 stops
C$ 634United Airlines
Find Deal
Fri, 1 Nov - Wed, 6 Nov
9:37 a.m. - 1:25 p.m.SEA-DEN
2h 48mdirect
6:35 a.m. - 8:37 a.m.DEN-SEA
3h 02mdirect
C$ 141Frontier
Find Deal
Wed, 19 Feb - Sun, 23 Feb
3:15 p.m. - 7:02 p.m.SEA-DEN
2h 47mdirect
12:10 p.m. - 2:15 p.m.DEN-SEA
3h 05mdirect
C$ 147Frontier
Find Deal
Fri, 10 Jan - Mon, 13 Jan
7:50 p.m. - 11:31 p.m.SEA-DEN
2h 41mdirect
6:05 a.m. - 8:20 a.m.DEN-SEA
3h 15mdirect
C$ 154Delta
Find Deal
Wed, 4 Dec - Sat, 7 Dec
9:37 a.m. - 1:25 p.m.SEA-DEN
2h 48mdirect
6:35 a.m. - 8:37 a.m.DEN-SEA
3h 02mdirect
C$ 161Frontier
Find Deal
Fri, 21 Feb - Sun, 23 Feb
7:50 p.m. - 11:31 p.m.SEA-DEN
2h 41mdirect
6:05 a.m. - 8:20 a.m.DEN-SEA
3h 15mdirect
C$ 193Delta
Find Deal
Tue, 3 Dec - Tue, 17 Dec
8:23 p.m. - 11:59 p.m.SEA-DEN
2h 36mdirect
6:00 a.m. - 8:10 a.m.DEN-SEA
3h 10mdirect
C$ 196Alaska Airlines
Find Deal
Sun, 8 Dec - Tue, 10 Dec
7:45 p.m. - 11:29 p.m.SEA-DEN
2h 44mdirect
6:00 a.m. - 8:14 a.m.DEN-SEA
3h 14mdirect
C$ 200Alaska Airlines
Find Deal
Sat, 14 Dec - Sat, 4 Jan
3:11 p.m. - 6:50 p.m.SEA-DEN
2h 39mdirect
6:00 a.m. - 8:14 a.m.DEN-SEA
3h 14mdirect
C$ 207Alaska Airlines
Find Deal
Tue, 10 Dec - Sun, 5 Jan
7:11 p.m. - 10:55 p.m.SEA-DEN
2h 44mdirect
9:05 p.m. - 11:11 p.m.DEN-SEA
3h 06mdirect
C$ 360United Airlines
Find Deal
Thu, 21 Nov - Mon, 2 Dec
3:20 p.m. - 7:04 p.m.SEA-DEN
2h 44mdirect
7:50 a.m. - 9:58 a.m.DEN-SEA
3h 08mdirect
C$ 399United Airlines
Find Deal
Sat, 16 Nov - Sun, 17 Nov

United Airlines flights from Seattle to Denver

Our best United Airlines deals on Seattle to Denver flight tickets
United Airlines
7 Dec
SEA5:00 a.m.Seattle/Tacoma Intl
2h 47m
DEN8:47 a.m.Denver Intl
11 Dec
DEN7:45 a.m.Denver Intl
8h 36m
1 stop
SEA3:21 p.m.Seattle/Tacoma Intl
United Airlines
1 Feb
SEA5:00 a.m.Seattle/Tacoma Intl
2h 43m
DEN8:43 a.m.Denver Intl
8 Feb
DEN7:45 a.m.Denver Intl
9h 00m
1 stop
SEA3:45 p.m.Seattle/Tacoma Intl
United Airlines
14 Nov
SEA5:00 a.m.Seattle/Tacoma Intl
2h 47m
DEN8:47 a.m.Denver Intl
21 Nov
DEN7:50 a.m.Denver Intl
3h 08m
SEA9:58 a.m.Seattle/Tacoma Intl

Alaska Airlines flights from Seattle to Denver

Our best Alaska Airlines deals on Seattle to Denver flight tickets
Alaska Airlines
8 Dec
SEA8:23 p.m.Seattle/Tacoma Intl
2h 36m
DEN11:59 p.m.Denver Intl
12 Dec
DEN6:00 a.m.Denver Intl
3h 10m
SEA8:10 a.m.Seattle/Tacoma Intl
Alaska Airlines
14 Dec
SEA7:45 p.m.Seattle/Tacoma Intl
2h 44m
DEN11:29 p.m.Denver Intl
4 Jan
DEN6:00 a.m.Denver Intl
3h 14m
SEA8:14 a.m.Seattle/Tacoma Intl
Alaska Airlines
19 Nov
SEA6:35 a.m.Seattle/Tacoma Intl
5h 35m
1 stop
DEN1:10 p.m.Denver Intl
27 Nov
DEN9:40 p.m.Denver Intl
3h 04m
SEA11:44 p.m.Seattle/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 typical price of a round-trip flight between Seattle and Denver?

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. The most expensive is December.

What is the cheapest day to depart Seattle for Denver?

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

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

In the evening. Seattle to Denver flights are approximately 44% more expensive at noon than in the evening

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

Frontier. Frontier, Delta, and Alaska Airlines 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?

56 days before. The cheapest time to buy a flight from Seattle to Denver is approximately 56 days to departure

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

As of October 2024, 18 flights take off from Seattle and land in Denver each day. The most common flight departure time for this route is 3:00p.m., with 37% of daily flights taking off in the afternoon.

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

The number of flights available between Seattle and Denver is 126 per week as of October 2024. The most frequent departure day is Wednesday, with 29% of weekly flights leaving on this day.

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.

How have Seattle to Denver flight prices changed over time?

As of October 2024, prices for Seattle to Denver flights are approximately 4% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Denver according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

C$ 78

Fastest flight time

2h 34m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from Seattle in the past 72 hours is C$ 78. The best round-trip flight deal from Seattle to Denver found on momondo in the last 72 hours is C$ 141.
The fastest flight from Seattle to Denver takes 2h 34m
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 1640.8 km. By plane, this route typically takes 2h 34m.

  • 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 are updated 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?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Seattle to Denver?

  • What is the most popular airline from Seattle to Denver?


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 C$ 69Free CancellationRating
6.1
3,580 reviews
Search Frontier flights
DeltaPriceFrom C$ 109Free CancellationRating
8.0
8,835 reviews
Search Delta flights
United AirlinesPriceFrom C$ 172Free CancellationRating
7.4
9,240 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom C$ 203Free CancellationRating
8.0
9,420 reviews
Search Alaska Airlines flights
  • Delta Flights From Seattle to Denver

    Delta flies from Seattle to Denver around 13 times per week, with 8,835 momondo users rating the airline 8.0/10. The cheapest Delta deal from Seattle to Denver in the last 72 hours was C$ 78 (round-trip), much lower than the average airfare cost of C$ 167 for Delta flights on this route.

  • Alaska Airlines Flights From Seattle to Denver

    Alaska Airlines (8.0/10 from 9,420 reviews) operates around 3 flights from Seattle to Denver in any given week. The average Alaska Airlines airfare for this route is around C$ 208, with deals from around C$ 146 rare but found on momondo. Referenced prices are for round-trip Seattle to Denver flight 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?

All flight searches from Seattle to Denver on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Seattle to Denver flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Seattle to Denver now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Denver and let you know when they change.


An easier way to manage your Denver trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Tue 5/11
Tue 12/11
Email me momondo's favourite deals

Find better results for your trip to the United States