HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington

$25+ Cheap flights from Denver (DEN) to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/19. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SEA
dic. 26 — ene. 21
vie. 12/26
vie. 1/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Denver to Washington with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Denver to Washington

Keep the following information in mind while searching for Denver to Washington flight deals. Data was last updated noviembre 26, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$49
(Kiwi.com)

One-way from

$25
(CheapOair)

Popular in

June

Cheapest in

January

Average price

$202

Good round-trip deal

$58 or less

Good one-way deal

$67 or less
Provider with most accurate pricing for Denver Intl-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Seattle/Tacoma Intl flights.
Search Deals
From Denver Intl to Washington
Search Deals
One-way flight from Denver Intl to Washington
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Denver Intl to Washington.
Search Deals
Price to beat on a one-way flight from Denver Intl to Washington.
Search Deals

Find flight deals from Denver to Washington

Cheapest flights from Denver to Washington
Explore the most affordable flight options available from Denver to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 26, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/199:36 amDEN - PAE
Nonstop3h 14mFrontier
vie. 12/2612:45 pmPAE - DEN
Nonstop2h 53mFrontier
Deal found 11/25$49
This Frontier deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/199:36 amDEN - PAE
Nonstop3h 14mFrontier
vie. 1/212:45 pmPAE - DEN
Nonstop2h 53mFrontier
Deal found 11/24$54
This FlightHub deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/79:42 amDEN - SEA
Nonstop3h 11mFrontier
dom. 12/1412:48 pmSEA - DEN
Nonstop2h 51mFrontier
Deal found 11/24$62
This Kiwi.com deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/1910:16 amDEN - SEA
Nonstop3h 14mFrontier
mar. 1/61:00 pmSEA - DEN
Nonstop2h 53mFrontier
Deal found 11/25$67
This Cheapflightsfares deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1710:00 pmDEN - SEA
Nonstop3h 10mFrontier
jue. 12/251:25 pmSEA - DEN
Nonstop2h 53mFrontier
Deal found 11/23$68
This Frontier deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/229:36 amDEN - PAE
Nonstop3h 14mFrontier
vie. 1/212:45 pmPAE - DEN
Nonstop2h 53mFrontier
Deal found 11/25$68
This CheapOair deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/269:36 amDEN - PAE
Nonstop3h 14mFrontier
vie. 1/212:45 pmPAE - DEN
Nonstop2h 53mFrontier
Deal found 11/24$69
This FlightHub deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/139:42 amDEN - SEA
Nonstop3h 11mFrontier
sáb. 1/102:49 pmSEA - DEN
Nonstop2h 49mFrontier
Deal found 11/24$72
This Booking.com deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/119:42 amDEN - SEA
Nonstop3h 11mFrontier
dom. 12/1412:48 pmSEA - DEN
Nonstop2h 51mFrontier
Deal found 11/25$75
This FlightHub deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/2510:16 amDEN - SEA
Nonstop3h 14mFrontier
jue. 1/11:25 pmSEA - DEN
Nonstop2h 53mFrontier
Deal found 11/25$76
This Kiwi.com deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/2110:16 amDEN - SEA
Nonstop3h 14mFrontier
jue. 1/11:25 pmSEA - DEN
Nonstop2h 53mFrontier
Deal found 11/24$80
This CheapOair deal was found by Cheapflights users on 11/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/199:36 amDEN - PAE
Nonstop3h 14mFrontier
lun. 12/2912:45 pmPAE - DEN
Nonstop2h 53mFrontier
Deal found 11/26$100

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated noviembre 26, 2025.
Use the filters below to find and compare flights from Denver to Washington that are best for you.

Fly from

Denver

Fly to

Washington

Route

Depart

Return

Price

DenverEverett

DEN - PAE

DENPAE

Denver Intl

vie. 12/19

9:36 am-11:50 am

Nonstop3h 14m

Everett Paine Field

vie. 1/2

12:45 pm-4:38 pm

Nonstop2h 53m

$54

DenverEverett

DEN - PAE

DENPAE

Denver Intl

vie. 1/9

10:43 am-12:57 pm

Nonstop3h 14m

Everett Paine Field

lun. 1/12

1:52 pm-5:39 pm

Nonstop2h 47m

$58

DenverEverett

DEN - PAE

DENPAE

Denver Intl

lun. 1/12

10:43 am-12:57 pm

Nonstop3h 14m

Everett Paine Field

vie. 1/16

1:47 pm-5:31 pm

Nonstop2h 44m

$58

DenverEverett

DEN - PAE

DENPAE

Denver Intl

vie. 12/26

9:36 am-11:50 am

Nonstop3h 14m

Everett Paine Field

vie. 1/2

12:45 pm-4:38 pm

Nonstop2h 53m

$104

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

jue. 1/15

6:29 am-8:40 am

Nonstop3h 11m

Seattle/Tacoma Intl

dom. 1/18

7:40 pm-11:25 pm

Nonstop2h 45m

$117

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

mié. 2/18

6:50 pm-9:08 pm

Nonstop3h 18m

Seattle/Tacoma Intl

dom. 2/22

7:40 pm-11:25 pm

Nonstop2h 45m

$117

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

vie. 2/6

6:50 pm-9:10 pm

Nonstop3h 20m

Seattle/Tacoma Intl

sáb. 2/14

7:40 pm-11:25 pm

Nonstop2h 45m

$117

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

jue. 1/8

11:49 am-6:43 pm

1 stop7h 54m

Seattle/Tacoma Intl

lun. 1/19

7:54 pm-11:35 pm

Nonstop2h 41m

$127

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

mar. 2/24

6:20 pm-12:09 am

1 stop6h 49m

Seattle/Tacoma Intl

sáb. 2/28

7:40 pm-11:25 pm

Nonstop2h 45m

$127

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

vie. 1/23

5:15 am-9:17 am

1 stop5h 02m

Seattle/Tacoma Intl

dom. 1/25

5:00 am-11:51 am

1 stop5h 51m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Denver to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Washington

What is the cheapest month to book a flight from Denver to State of Washington?

Currently, September is the cheapest month in which you can book a flight from Denver to State of Washington (average of $49). Flying from Denver to State of Washington in July is currently the most expensive (average of $98). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to WA?

Find hourly flight availability from Denver to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 26, 2025.

It’s typically best to fly out from Denver to State of Washington in the evening. Doing so could potentially save you 28% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Denver to State of Washington?

Use this chart to determine the cheapest time to fly round-trip from Denver to Washington. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Denver to State of Washington flight should consider departing on Friday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Denver to State of Washington

Explore weekly flight availability from Denver to Washington. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated noviembre 26, 2025.

The most flights from DEN to USWA are scheduled on a Tuesday (46 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (12 on average).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated noviembre 26, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Denver to Washington by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,359 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Alaska Airlines
8.0
Very good
11,359 reviews
Alaska Airlines
8.0
Very good
11,359 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Southwest
8.0
Very good
4,253 reviews
Alaska Airlines
8.0
Very good
11,359 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Delta
7.9
Good
8,003 reviews
Alaska Airlines
8.0
Very good
11,359 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
United Airlines
7.4
Good
9,049 reviews
Alaska Airlines
8.0
Very good
11,359 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Frontier
5.8
Fair
3,101 reviews
Alaska Airlines
8.0
Very good
11,359 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.

Related info for your journey

Find useful and relevant information for your journey from Denver to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Denver to Washington?

    For a flight from Denver to Washington, you will be flying from Denver Intl. Denver Intl (DEN) is just 18.5 mi from the center of the city.

  • How popular is this Denver to State of Washington flight route?

    The Denver Intl to Washington flight path was viewed by 164 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Denver to State of Washington?

    Frontier, Delta, and Alaska Airlines can get you from Denver to State of Washington in just under 3h 11m. Your travel time can differ by up to 3h 18m. The distance between Denver and State of Washington is about 1022 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Denver to State of Washington one-way?

    The cheapest airlines for a one-way flight from Denver to State of Washington are United Airlines ($55), Delta ($59), and Alaska Airlines ($69).

  • What are the most popular routes from Denver to State of Washington?

    The most popular route from Denver to State of Washington is Denver Intl - Seattle/Tacoma Intl. You may also consider Denver Intl - Portland or Denver Intl - Spokane.

  • What are the most reliable airlines from Denver to State of Washington?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Denver to State of Washington on time: KLM (100%), Japan Airlines (95%), Condor (92%).

  • What are the cheapest flights from Denver to State of Washington?

    On average you can expect to pay $831 for a flight from Denver to State of Washington. The cheapest flight overall is $48 while the most popular route, (Denver Intl - Seattle/Tacoma Intl) is currently priced at $78.

  • Can I find deals for flights from Denver to Washington that include hotel bookings?

    Yes. In addition to deals on Denver to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Washington.

  • Can I find deals for business class flights from Denver to Washington?

    Yes. Cheapflights offers flight deals from Denver to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to State of Washington?

    Currently, September is the cheapest month in which you can book a flight from Denver to State of Washington (average of $49). Flying from Denver to State of Washington in July is currently the most expensive (average of $98). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Denver to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Las Vegas flights
Denver to LaGuardia flights
Denver to John F Kennedy Intl flights
Denver to Orlando flights
Denver to Miami flights
Denver to Newark flights
Denver to Dallas/Fort Worth flights
Denver to Los Angeles flights
Denver to O'Hare Intl flights
Denver to Seattle flights
Denver to Sky Harbor Intl flights
Denver to Atlanta flights
Denver to Fort Lauderdale flights
Denver to Ontario flights
Denver to Tampa flights
Denver to Honolulu flights
Denver to Hobby flights
Denver to Baltimore flights
Denver to New Orleans flights
Denver to Santa Ana flights
Denver to Boston flights
Denver to Dulles Intl flights
Denver to San Francisco flights
Denver to Detroit flights
Denver to George Bush Intcntl flights
Denver to Minneapolis flights
Denver to Philadelphia flights
Denver to San Diego flights
Denver to Reagan-National flights
Denver to Fort Myers flights
Denver to Kahului flights
Denver to Nashville flights
Denver to Cleveland flights
Denver to Portland flights
Denver to Charlotte flights
Denver to St. Louis flights
Denver to Austin flights
Denver to Palm Springs flights
Denver to Kailua-Kona flights
Denver to Raleigh flights
Denver to Lihue flights
Denver to Grand Rapids flights
Denver to Salt Lake City flights
Denver to San Jose flights
Denver to Midway flights
Denver to Kansas City flights
Denver to Cincinnati flights
Denver to West Palm Beach flights
Denver to Love Field flights
Denver to Tucson flights

Top 6 airlines flying from Denver to Washington

Discover the top 6 airlines that operate flights from Denver to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated noviembre 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$60Average$168FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$111Average$317FlexibilityNo cancel feeOn-time85%
DeltaCheapest$112Average$247FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$132Average$306FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$139Average$358FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$154Average$412FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.