How long does it take to fly to Denver?

Flight times vary depending on what airport in State of Washington you fly out of and what airport in Denver you fly into. For example, flying from Spokane to Denver takes 2h 05m on average. On the other hand, flying from Pasco to Denver takes 2h 21m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

How many flights depart from State of Washington to Denver on average per week?

189 flights are operational weekly from State of Washington to Denver as of September 2026. The most popular departure day for this route is Tue, with 25% of flights per week taking off on this day.

What airlines fly to Denver?

Frontier, United Airlines and Alaska Airlines are the top three most popular airlines that fly to Denver from State of Washington according to our data. Frontier is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 6 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

How many flights depart from State of Washington to Denver on average per day?

27 flights are operational daily from State of Washington to Denver as of September 2026. The most popular departure time for this route is 1:00PM, with 45% of flights per day taking off in the afternoon.

What is the cheapest airline that flies from Washington to Denver Intl?

Delta, United Airlines, and Alaska Airlines are the most popular carriers operating from Washington to Denver Intl

When did momondo last update prices for flights from Washington to Denver Intl Airport?

Prices for flights from Washington to Denver Intl Airport refresh daily.

How many operators does momondo search for flights from Washington to Denver Intl Airport?

As of September 2026, there are 6 operators available to choose from for flights from Washington to Denver Intl Airport.

How old do you have to be to fly from Washington to Denver Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington 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.

$79 Cheap Flights from Washington to Denver in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Denver

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:27 pm - 8:21 pmSEA Seattle/Tacoma Intl-DEN Denver Intl

2h 54mnonstop

6:42 pm - 10:59 amDEN Denver Intl-SEA Seattle/Tacoma Intl

17h 17m1 stop Las Vegas Harry Reid Intl

$149Frontier

Tue, Oct 6 - Tue, Oct 27

12:14 pm - 11:49 pmSEA Seattle/Tacoma Intl-DEN Denver Intl

10h 35m1 stop Las Vegas Harry Reid Intl

1:04 pm - 3:12 pmDEN Denver Intl-SEA Seattle/Tacoma Intl

3h 08mnonstop

$149Frontier

Wed, Oct 28 - Sat, Oct 31

4:27 pm - 8:15 pmSEA Seattle/Tacoma Intl-DEN Denver Intl

2h 48mnonstop

12:12 pm - 2:15 pmDEN Denver Intl-SEA Seattle/Tacoma Intl

3h 03mnonstop

$170Multiple Airlines

Sat, Nov 7 - Tue, Nov 10

5:05 am - 8:42 amSEA Seattle/Tacoma Intl-DEN Denver Intl

2h 37mnonstop

11:30 am - 1:35 pmDEN Denver Intl-SEA Seattle/Tacoma Intl

3h 05mnonstop

$182United Airlines

Sun, Dec 13 - Sun, Jan 3

4:27 pm - 8:21 pmSEA Seattle/Tacoma Intl-DEN Denver Intl

2h 54mnonstop

7:07 am - 9:10 amDEN Denver Intl-SEA Seattle/Tacoma Intl

3h 03mnonstop

$182Multiple Airlines

Tue, Oct 6 - Tue, Oct 27

12:50 pm - 4:27 pmSEA Seattle/Tacoma Intl-DEN Denver Intl

2h 37mnonstop

11:21 am - 1:20 pmDEN Denver Intl-SEA Seattle/Tacoma Intl

2h 59mnonstop

$193United Airlines

Tue, Dec 15 - Thu, Jan 7

12:26 pm - 9:26 pmGEG Spokane-DEN Denver Intl

8h 00m1 stop Portland

11:14 am - 10:49 pmDEN Denver Intl-GEG Spokane

12h 35m1 stop San Diego

$287Alaska Airlines

Thu, Nov 19 - Mon, Nov 23

12:26 pm - 9:26 pmGEG Spokane-DEN Denver Intl

8h 00m1 stop Portland

7:24 am - 10:49 pmDEN Denver Intl-GEG Spokane

16h 25m1 stop San Diego

$287Alaska Airlines

Thu, Nov 19 - Mon, Nov 23

10:35 am - 8:25 pmGEG Spokane-DEN Denver Intl

8h 50m2 stops San Jose Santa Ana J. Wayne/Orange Cnty

7:40 am - 2:15 pmDEN Denver Intl-GEG Spokane

7h 35m2 stops Santa Ana J. Wayne/Orange Cnty Oakland

$287Southwest

Thu, Oct 29 - Thu, Nov 5

11:25 am - 11:10 pmGEG Spokane-DEN Denver Intl

10h 45m1 stop Oakland

4:10 pm - 12:35 amDEN Denver Intl-GEG Spokane

9h 25m2 stops San Diego Las Vegas Harry Reid Intl

$288Southwest

Thu, Oct 22 - Thu, Oct 29

Cheap last minute flights

Enter your travel dates to find the best prices.

4:27 pm - 8:21 pmSEA Seattle/Tacoma Intl-DEN Denver Intl

2h 54mnonstop

1:07 pm - 3:08 pmDEN Denver Intl-SEA Seattle/Tacoma Intl

3h 01mnonstop

$174Frontier

Mon, Sep 28 - Thu, Oct 1

4:27 pm - 8:21 pmSEA Seattle/Tacoma Intl-DEN Denver Intl

2h 54mnonstop

1:07 pm - 3:08 pmDEN Denver Intl-SEA Seattle/Tacoma Intl

3h 01mnonstop

$174Frontier

Sun, Sep 27 - Thu, Oct 1

4:27 pm - 8:21 pmSEA Seattle/Tacoma Intl-DEN Denver Intl

2h 54mnonstop

7:07 am - 9:10 amDEN Denver Intl-SEA Seattle/Tacoma Intl

3h 03mnonstop

$280Multiple Airlines

Tue, Sep 29 - Wed, Oct 14

4:27 pm - 8:21 pmSEA Seattle/Tacoma Intl-DEN Denver Intl

2h 54mnonstop

5:57 pm - 7:58 pmDEN Denver Intl-SEA Seattle/Tacoma Intl

3h 01mnonstop

$339Multiple Airlines

Thu, Sep 24 - Tue, Oct 27

12:55 pm - 4:35 pmSEA Seattle/Tacoma Intl-DEN Denver Intl

2h 40mnonstop

5:05 pm - 7:05 pmDEN Denver Intl-SEA Seattle/Tacoma Intl

3h 00mnonstop

$408Southwest

Tue, Sep 29 - Wed, Oct 14

8:00 pm - 11:47 pmSEA Seattle/Tacoma Intl-DEN Denver Intl

2h 47mnonstop

6:00 am - 8:10 amDEN Denver Intl-SEA Seattle/Tacoma Intl

3h 10mnonstop

$423Delta

Tue, Sep 29 - Thu, Oct 8

12:21 pm - 6:32 pmPAE Everett Paine Field-DEN Denver Intl

5h 11m1 stop Portland

7:53 am - 12:02 pmDEN Denver Intl-PAE Everett Paine Field

5h 09m1 stop Portland

$428Alaska Airlines

Tue, Sep 29 - Tue, Oct 13

12:21 pm - 6:32 pmPAE Everett Paine Field-DEN Denver Intl

5h 11m1 stop Portland

7:53 am - 12:02 pmDEN Denver Intl-PAE Everett Paine Field

5h 09m1 stop Portland

$428Alaska Airlines

Tue, Sep 29 - Wed, Oct 14

12:40 pm - 9:25 pmSEA Seattle/Tacoma Intl-DEN Denver Intl

7h 45m2 stops Las Vegas Harry Reid Intl Los Angeles Los Angeles

5:20 pm - 9:45 pmDEN Denver Intl-SEA Seattle/Tacoma Intl

5h 25m1 stop Oakland

$429Southwest

Tue, Sep 29 - Wed, Oct 14

3:25 pm - 11:47 pmPSC Pasco Tri Cities-DEN Denver Intl

7h 22m1 stop Seattle/Tacoma Intl

6:00 am - 11:56 amDEN Denver Intl-PSC Pasco Tri Cities

6h 56m1 stop Seattle/Tacoma Intl

$449Delta

Fri, Sep 25 - Mon, Sep 28

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Delta flights from State of Washington to Denver

Our best Delta deals on State of Washington to Denver flight tickets

Delta

Oct 12

GEG5:38 pmSpokane

5h 17m

1 stop

DEN11:55 pmDenver Intl

Oct 16

DEN10:45 amDenver Intl

6h 29m

1 stop

GEG4:14 pmSpokane

$313

Delta

Oct 13

PSC5:19 pmPasco Tri Cities

4h 21m

1 stop

DEN10:40 pmDenver Intl

Oct 17

DEN6:42 pmDenver Intl

5h 04m

1 stop

PSC10:46 pmPasco Tri Cities

$339

Delta

Oct 8

GEG1:25 pmSpokane

5h 09m

1 stop

DEN7:34 pmDenver Intl

Oct 12

DEN6:42 pmDenver Intl

6h 08m

1 stop

GEG11:50 pmSpokane

$348

Frontier flights from State of Washington to Denver

Our best Frontier deals on State of Washington to Denver flight tickets

Frontier

Oct 6

SEA4:27 pmSeattle/Tacoma Intl

2h 54m

DEN8:21 pmDenver Intl

Oct 27

DEN6:42 pmDenver Intl

17h 17m

1 stop

SEA10:59 amSeattle/Tacoma Intl

$149

Frontier

Jan 18

SEA4:29 pmSeattle/Tacoma Intl

2h 50m

DEN8:19 pmDenver Intl

Jan 25

DEN1:03 pmDenver Intl

3h 11m

SEA3:14 pmSeattle/Tacoma Intl

$150

Frontier

Oct 31

SEA4:27 pmSeattle/Tacoma Intl

2h 48m

DEN8:15 pmDenver Intl

Nov 2

DEN10:55 pmDenver Intl

20h 59m

1 stop

SEA6:54 pmSeattle/Tacoma Intl

$151

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleDenver

SEA Seattle/Tacoma Intl - DEN Denver Intl

SEADEN

Seattle/Tacoma Intl

Tue 10/6

4:27 pm-8:21 pm

Nonstop2h 54m

Denver Intl

Tue 10/27

6:42 pm-10:59 am

1 stop17h 17m

$149

SeattleDenver

SEA Seattle/Tacoma Intl - DEN Denver Intl

SEADEN

Seattle/Tacoma Intl

Wed 10/28

12:14 pm-11:49 pm

1 stop10h 35m

Denver Intl

Sat 10/31

1:04 pm-3:12 pm

Nonstop3h 08m

$149

SeattleDenver

SEA Seattle/Tacoma Intl - DEN Denver Intl

SEADEN

Seattle/Tacoma Intl

Sat 11/7

4:27 pm-8:15 pm

Nonstop2h 48m

Denver Intl

Tue 11/10

12:12 pm-2:15 pm

Nonstop3h 03m

$170

SeattleDenver

SEA Seattle/Tacoma Intl - DEN Denver Intl

SEADEN

Seattle/Tacoma Intl

Sun 12/13

5:05 am-8:42 am

Nonstop2h 37m

Denver Intl

Sun 1/3

11:30 am-1:35 pm

Nonstop3h 05m

$182

SeattleDenver

SEA Seattle/Tacoma Intl - DEN Denver Intl

SEADEN

Seattle/Tacoma Intl

Tue 10/6

4:27 pm-8:21 pm

Nonstop2h 54m

Denver Intl

Tue 10/27

7:07 am-9:10 am

Nonstop3h 03m

$182

Quickest round-trip

SeattleDenver

SEA Seattle/Tacoma Intl - DEN Denver Intl

SEADEN

Seattle/Tacoma Intl

Tue 12/15

12:50 pm-4:27 pm

Nonstop2h 37m

Denver Intl

Thu 1/7

11:21 am-1:20 pm

Nonstop2h 59m

$193

SpokaneDenver

GEG Spokane - DEN Denver Intl

GEGDEN

Spokane

Thu 11/19

12:26 pm-9:26 pm

1 stop8h 00m

Denver Intl

Mon 11/23

11:14 am-10:49 pm

1 stop12h 35m

$287

SpokaneDenver

GEG Spokane - DEN Denver Intl

GEGDEN

Spokane

Thu 11/19

12:26 pm-9:26 pm

1 stop8h 00m

Denver Intl

Mon 11/23

7:24 am-10:49 pm

1 stop16h 25m

$287

SpokaneDenver

GEG Spokane - DEN Denver Intl

GEGDEN

Spokane

Thu 10/29

10:35 am-8:25 pm

2 stops8h 50m

Denver Intl

Thu 11/5

7:40 am-2:15 pm

2 stops7h 35m

$287

SpokaneDenver

GEG Spokane - DEN Denver Intl

GEGDEN

Spokane

Thu 10/22

11:25 am-11:10 pm

1 stop10h 45m

Denver Intl

Thu 10/29

4:10 pm-12:35 am

2 stops9h 25m

$288

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington 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

Prices

Airlines

Other information

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from State of Washington is in January. Flight prices, which tend to average around $176, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in January, then you should wait until February to fly from State of Washington, when ticket prices are also cheap, with an average price of $213.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Friday when prices can be found for as low as $321. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $381.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $269. Flights in the morning are often more expensive with an average ticket price of $397.

What is the cheapest Washington to Denver Intl flight route?

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

How far in advance should I book a flight from Washington to Denver?

You are more likely to see cheaper flights to Denver from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $249 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from State of Washington for as low as $208 on momondo.

What cabin class options are available on State of Washington to Denver flights?

There are 4 cabin classes available to choose from on State of Washington 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 State of Washington to Denver flights?

No. A direct flight is the cheapest option for a flight between State of Washington to Denver.

Cheap State of Washington to Denver flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Denver

Best Price Found	$79
Fastest flight time	2h 05m
Direct flights	Every day
Airports in Denver	1 airport

The best one-way flight to Denver from State of Washington in the past 72 hours is $79. The best round-trip flight deal from State of Washington to Denver found on momondo in the last 72 hours is $149.

The fastest flight from State of Washington to Denver takes 2h 05m

Direct flights go from State of Washington to Denver every day.

There is 1 airport in Denver. From State of Washington there are direct flights to Denver Intl (DEN).

Search flight deals

Frequently asked questions about flying from Washington to Denver

When did momondo last update prices for flights from Washington to Denver Intl Airport?
Prices for flights from Washington to Denver Intl Airport refresh daily.
How many operators does momondo search for flights from Washington to Denver Intl Airport?
As of September 2026, there are 6 operators available to choose from for flights from Washington to Denver Intl Airport.
How old do you have to be to fly from Washington to Denver Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington 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.
What is the most popular plane model from State of Washington to Denver?
momondo data reveals that the most frequently booked plane model on the route from State of Washington to Denver is Airbus A321neo, representing 16.78% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 15.59%, Boeing 737-800 Passenger/BBJ2 (winglets) at 14.95%, and Boeing 737-800 at 9.10%.

Best airlines flying from State of Washington to Denver

Compare and see reviews for airlines that fly from State of Washington to Denver with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $55	Free Cancellation	Rating 5.6 2,579 reviews	Search Frontier flights
Delta	PriceFrom $97	Free Cancellation	Rating 7.8 8,593 reviews	Search Delta flights
Alaska Airlines	PriceFrom $113	Free Cancellation	Rating 7.9 12,956 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $113	Free Cancellation	Rating 8.0 4,196 reviews	Search Southwest flights
United Airlines	PriceFrom $135	Free Cancellation	Rating 7.4 10,228 reviews	Search United Airlines flights
JetBlue	PriceFrom $143	Free Cancellation	Rating 7.1 3,037 reviews	Search JetBlue flights

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Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to Denver. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Denver from Washington which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Denver from Washington.

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

Yes. momondo can track prices for Washington 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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Cheap flights from Washington to Denver from $79

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Denver departing on 12/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from State of Washington to Denver

Our best Delta deals on State of Washington to Denver flight tickets

Frontier flights from State of Washington to Denver

Our best Frontier deals on State of Washington to Denver flight tickets

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How to get the cheapest flight ticket from State of Washington to Denver

What is the cheapest month to fly to Denver?

What is the cheapest day to depart on your flight to Denver?

What is the cheapest time of day to depart on your flight to Denver?

What is the cheapest Washington to Denver Intl flight route?

How far in advance should I book a flight from Washington to Denver?

What cabin class options are available on State of Washington to Denver flights?

Can stopping save me money on State of Washington to Denver flights?

What is the cheapest airline that flies from Washington to Denver Intl?

What airlines fly to Denver?

How many flights depart from State of Washington to Denver on average per day?

How many flights depart from State of Washington to Denver on average per week?

How long does it take to fly to Denver?

Cheap State of Washington to Denver flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Denver

Frequently asked questions about flying from Washington to Denver

Best airlines flying from State of Washington to Denver

Compare and see reviews for airlines that fly from State of Washington to Denver with momondo

Traveling to a place near Denver?

Why use momondo?

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.

Find better results for your trip to the United States

Airports servicing Colorado

Fly your favorite airline to Denver

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Denver

List of cabin classes available on flights landing in Denver. Availability may vary depending on flight origin and airline.

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