What airlines fly to State of Washington?

Frontier, Alaska Airlines and United Airlines are the top three most popular airlines that fly to State of Washington from Denver according to our data. Frontier is the first choice among our users, with 40% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 6 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

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

As of June 2026, there are 361 flights per week flying from Denver to State of Washington. The most common day of the week flights depart is Wed, with 19% of flights taking off on this day.

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

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

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

As of June 2026, 51 flights take off from Denver and land in State of Washington each day. The most common flight departure time for this route is 7:00PM, with 37% of daily flights taking off at noon.

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

Prices for flights from Denver Intl Airport to Washington are updated daily.

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

The number of operators available for flights from Denver Intl Airport to Washington is 6 as of June 2026.

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

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 Denver Intl Airport to Washington.

What documentation or ID do you need to fly to Washington?

The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$104 Cheap Flights from Denver to Washington in 2026

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Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:13 am - 9:17 am

DEN

SEA

3h 04mnonstop

8:13 pm - 3:58 am

SEA

DEN

6h 45m

1 stop

$166Frontier

Wed, Aug 12 - Wed, Aug 19

7:13 am - 9:17 am

DEN

SEA

3h 04mnonstop

7:41 pm - 11:36 pm

SEA

DEN

2h 55mnonstop

$167Frontier

Sat, Aug 15 - Tue, Aug 18

9:05 pm - 10:25 pm

DEN

GEG

2h 20mnonstop

7:00 am - 10:15 am

GEG

DEN

2h 15mnonstop

$239Southwest

Tue, Aug 25 - Tue, Sep 1

8:00 am - 11:53 am

DEN

PAE

4h 53m

1 stop

12:21 pm - 6:32 pm

PAE

DEN

5h 11m

1 stop

$250Alaska Airlines

Tue, Aug 11 - Thu, Sep 10

1:05 pm - 9:40 pm

DEN

GEG

9h 35m

2 stops

7:00 am - 10:15 am

GEG

DEN

2h 15mnonstop

$254Southwest

Tue, Aug 25 - Tue, Sep 1

6:17 pm - 11:26 pm

DEN

GEG

6h 09m

1 stop

11:09 am - 5:48 pm

GEG

DEN

5h 39m

1 stop

$257Delta

Tue, Aug 25 - Tue, Sep 1

8:00 am - 11:53 am

DEN

PAE

4h 53m

1 stop

12:21 pm - 11:57 pm

PAE

DEN

10h 36m

2 stops

$265Alaska Airlines

Wed, Aug 12 - Wed, Aug 19

7:00 pm - 11:58 pm

DEN

PSC

5h 58m

1 stop

3:25 pm - 11:46 pm

PSC

DEN

7h 21m

1 stop

$289Delta

Fri, Jun 26 - Thu, Jul 2

7:24 pm - 8:52 pm

DEN

PSC

2h 28mnonstop

5:14 am - 8:36 am

PSC

DEN

2h 22mnonstop

$292United Airlines

Thu, Aug 6 - Mon, Aug 10

7:24 pm - 8:52 pm

DEN

PSC

2h 28mnonstop

5:14 am - 8:36 am

PSC

DEN

2h 22mnonstop

$333United Airlines

Wed, Jul 8 - Sat, Jul 11

Frontier flights from Denver to State of Washington

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

Frontier

Aug 12

DEN7:13 amDenver Intl

3h 04m

SEA9:17 amSeattle/Tacoma Intl

Aug 19

SEA8:13 pmSeattle/Tacoma Intl

6h 45m

1 stop

DEN3:58 amDenver Intl

$166

Frontier

Aug 15

DEN7:13 amDenver Intl

3h 04m

SEA9:17 amSeattle/Tacoma Intl

Aug 18

SEA7:41 pmSeattle/Tacoma Intl

2h 55m

DEN11:36 pmDenver Intl

$167

Frontier

Aug 12

DEN7:25 amDenver Intl

11h 26m

1 stop

SEA5:51 pmSeattle/Tacoma Intl

Aug 19

SEA7:41 pmSeattle/Tacoma Intl

2h 55m

DEN11:36 pmDenver Intl

$168

Delta flights from Denver to State of Washington

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

Delta

Aug 11

DEN6:44 pmDenver Intl

3h 02m

SEA8:46 pmSeattle/Tacoma Intl

Sep 9

SEA7:40 pmSeattle/Tacoma Intl

2h 50m

DEN11:30 pmDenver Intl

$195

Delta

Aug 19

DEN5:35 amDenver Intl

4h 02m

1 stop

PDX8:37 amPortland

Aug 24

PDX5:54 pmPortland

5h 04m

1 stop

DEN11:58 pmDenver Intl

$223

Delta

Aug 25

DEN6:17 pmDenver Intl

6h 09m

1 stop

GEG11:26 pmSpokane

Sep 1

GEG11:09 amSpokane

5h 39m

1 stop

DEN5:48 pmDenver Intl

$257

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Wed 8/12

7:13 am-9:17 am

Nonstop3h 04m

Seattle/Tacoma Intl

Wed 8/19

8:13 pm-3:58 am

1 stop6h 45m

$166

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Sat 8/15

7:13 am-9:17 am

Nonstop3h 04m

Seattle/Tacoma Intl

Tue 8/18

7:41 pm-11:36 pm

Nonstop2h 55m

$167

Quickest round-trip

DenverSpokane

DEN - GEG

DENGEG

Denver Intl

Tue 8/25

9:05 pm-10:25 pm

Nonstop2h 20m

Spokane

Tue 9/1

7:00 am-10:15 am

Nonstop2h 15m

$239

DenverEverett

DEN - PAE

DENPAE

Denver Intl

Tue 8/11

8:00 am-11:53 am

1 stop4h 53m

Everett Paine Field

Thu 9/10

12:21 pm-6:32 pm

1 stop5h 11m

$250

DenverSpokane

DEN - GEG

DENGEG

Denver Intl

Tue 8/25

1:05 pm-9:40 pm

2 stops9h 35m

Spokane

Tue 9/1

7:00 am-10:15 am

Nonstop2h 15m

$254

DenverSpokane

DEN - GEG

DENGEG

Denver Intl

Tue 8/25

6:17 pm-11:26 pm

1 stop6h 09m

Spokane

Tue 9/1

11:09 am-5:48 pm

1 stop5h 39m

$257

DenverEverett

DEN - PAE

DENPAE

Denver Intl

Wed 8/12

8:00 am-11:53 am

1 stop4h 53m

Everett Paine Field

Wed 8/19

12:21 pm-11:57 pm

2 stops10h 36m

$265

DenverPasco

DEN - PSC

DENPSC

Denver Intl

Fri 6/26

7:00 pm-11:58 pm

1 stop5h 58m

Pasco Tri Cities

Thu 7/2

3:25 pm-11:46 pm

1 stop7h 21m

$289

DenverPasco

DEN - PSC

DENPSC

Denver Intl

Thu 8/6

7:24 pm-8:52 pm

Nonstop2h 28m

Pasco Tri Cities

Mon 8/10

5:14 am-8:36 am

Nonstop2h 22m

$292

DenverPasco

DEN - PSC

DENPSC

Denver Intl

Wed 7/8

7:24 pm-8:52 pm

Nonstop2h 28m

Pasco Tri Cities

Sat 7/11

5:14 am-8:36 am

Nonstop2h 22m

$333

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 Denver to State of Washington

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 State of Washington?

The month of August is, on average, the cheapest month to fly to State of Washington from Denver, with most prices found around $197. If you aren’t able to travel to State of Washington during the month of August, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $220.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Denver to State of Washington is on a Friday. Travelers who choose to depart for State of Washington on a Friday will often find tickets for as low as $277. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Denver to State of Washington for around $379.

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

The cheapest time of day to fly to State of Washington is in the evening when flights can be purchased for as low as $280. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $346 on average. Flights to State of Washington from Denver at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Denver Intl to Washington flight route?

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

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

You are more likely to see cheaper flights to State of Washington from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $217 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Denver for as low as $187 on momondo.

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

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

You could potentially save up to 17% on your flight if you consider stops on a Denver to State of Washington flight.

Cheap Denver to State of Washington flight deals and tips

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

Best Price Found	$114
Fastest flight time	2h 20m
Direct flights	Every day
Airports in State of Washington	96 airports

The best one-way flight to State of Washington from Denver in the past 72 hours is $114. The best round-trip flight deal from Denver to State of Washington found on momondo in the last 72 hours is $119.

The fastest flight from Denver to State of Washington takes 2h 20m

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

There are 96 airports in State of Washington. From Denver there are direct flights to Spokane (GEG).

Search flight deals

Frequently asked questions about flying from Denver to Washington

When did momondo last update prices for flights from Denver Intl Airport to Washington?
Prices for flights from Denver Intl Airport to Washington are updated daily.
How many operators does momondo search for flights from Denver Intl Airport to Washington?
The number of operators available for flights from Denver Intl Airport to Washington is 6 as of June 2026.
How old do you have to be to fly from Denver Intl Airport to Washington?
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 Denver Intl Airport to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents you'll need for your trip to Washington may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Denver to State of Washington?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Denver to State of Washington is Airbus A321neo (19.23% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (16.37%), Boeing 737-800 Passenger/BBJ2 (winglets) (12.86%), and Boeing 737-800 (10.52%).

Best airlines flying from Denver to State of Washington

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $55	Free Cancellation	Rating 5.6 2,917 reviews	Search Frontier flights
Delta	PriceFrom $84	Free Cancellation	Rating 7.9 8,395 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $89	Free Cancellation	Rating 7.8 2,831 reviews	Search Hawaiian Airlines flights
United Airlines	PriceFrom $117	Free Cancellation	Rating 7.4 9,772 reviews	Search United Airlines flights
Southwest	PriceFrom $117	Free Cancellation	Rating 8.0 4,256 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $127	Free Cancellation	Rating 7.9 12,464 reviews	Search Alaska Airlines flights

Why use momondo?

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

Finding the right flight to Washington from Denver is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington quick and easy, saving you time and money.

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

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

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

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 Washington from Denver.

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

Yes. momondo can track prices for Denver to Washington 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 Denver to Washington from $104

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to Washington departing on 6/24. 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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Frontier flights from Denver to State of Washington

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

What is the cheapest month to fly to State of Washington?

What is the cheapest day to depart on your flight to State of Washington?

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

What is the cheapest Denver Intl to Washington flight route?

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

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

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

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

What airlines fly to State of Washington?

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

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

Cheap Denver to State of Washington flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in State of Washington

Frequently asked questions about flying from Denver to Washington

Best airlines flying from Denver to State of Washington

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

Why use momondo?

An easier way to manage your State of Washington 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 Washington

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Popular flights according to clicks in the last 7 days on momondo

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