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$43+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SEA
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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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 August 14, 2025.

Round-trip from

$73
(Cheapflightsfares)

One-way from

$43
(Trip.com)

Popular in

June

Cheapest in

October

Average price

$209

Good round-trip deal

$147 or less

Good one-way deal

$103 or less
From Denver Intl to Washington
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One-way flight from Denver Intl to Washington
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Highest demand for flights based on searches. 15% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Denver Intl to Washington.
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Price to beat on a one-way flight from Denver Intl to Washington.
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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 August 14, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/14. 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.
Fri 9/59:45 amDEN - PAE
Nonstop3h 00mFrontier
Mon 9/812:56 pmPAE - DEN
Nonstop2h 48mFrontier
Deal found 8/14$73
This Cheapflightsfares deal was found by Cheapflights users on 8/13. 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.
Fri 9/199:50 amDEN - PAE
Nonstop3h 00mFrontier
Mon 9/2212:56 pmPAE - DEN
Nonstop2h 48mFrontier
Deal found 8/13$75
This Frontier deal was found by Cheapflights users on 8/13. 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.
Fri 10/39:50 amDEN - PAE
Nonstop3h 00mFrontier
Mon 10/612:56 pmPAE - DEN
Nonstop2h 48mFrontier
Deal found 8/13$77
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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.
Wed 9/108:50 pmDEN - PDX
Nonstop2h 44mFrontier
Sat 9/137:15 amPDX - DEN
Nonstop2h 43mFrontier
Deal found 8/12$100
This Frontier deal was found by Cheapflights users on 8/12. 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.
Sat 11/88:50 pmDEN - PDX
Nonstop2h 49mFrontier
Tue 11/116:05 amPDX - DEN
Nonstop2h 41mFrontier
Deal found 8/12$101
This FlightHub deal was found by Cheapflights users on 8/13. 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.
Sun 9/1410:29 pmDEN - PDX
Nonstop2h 43mFrontier
Sat 9/207:15 amPDX - DEN
Nonstop2h 43mFrontier
Deal found 8/13$102
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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.
Sat 11/158:50 pmDEN - PDX
Nonstop2h 49mFrontier
Tue 11/186:05 amPDX - DEN
Nonstop2h 41mFrontier
Deal found 8/12$104
This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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.
Thu 10/99:48 amDEN - PDX
Nonstop2h 50mFrontier
Mon 10/1312:44 pmPDX - DEN
Nonstop2h 43mFrontier
Deal found 8/11$106
This Cheapflightsfares deal was found by Cheapflights users on 8/13. 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.
Thu 9/410:29 pmDEN - PDX
Nonstop2h 43mFrontier
Mon 9/86:05 amPDX - DEN
Nonstop2h 39mFrontier
Deal found 8/13$107
This Frontier deal was found by Cheapflights users on 8/13. 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.
Mon 9/19:36 amDEN - PAE
Nonstop3h 03mFrontier
Mon 9/812:56 pmPAE - DEN
Nonstop2h 48mFrontier
Deal found 8/13$108
This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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.
Fri 10/179:58 amDEN - PDX
Nonstop2h 50mFrontier
Wed 10/2212:43 pmPDX - DEN
Nonstop2h 43mFrontier
Deal found 8/11$108
This Cheapflightsfares deal was found by Cheapflights users on 8/12. 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.
Sun 10/199:58 amDEN - PDX
Nonstop2h 50mFrontier
Wed 10/2212:43 pmPDX - DEN
Nonstop2h 43mFrontier
Deal found 8/12$109

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 August 14, 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

Fri 9/5

9:45 am-11:45 am

Nonstop3h 00m

Everett Paine Field

Mon 9/8

12:56 pm-4:44 pm

Nonstop2h 48m

$73

DenverEverett

DEN - PAE

DENPAE

Denver Intl

Fri 9/19

9:50 am-11:50 am

Nonstop3h 00m

Everett Paine Field

Mon 9/22

12:56 pm-4:44 pm

Nonstop2h 48m

$75

DenverEverett

DEN - PAE

DENPAE

Denver Intl

Fri 10/3

9:50 am-11:50 am

Nonstop3h 00m

Everett Paine Field

Mon 10/6

12:56 pm-4:44 pm

Nonstop2h 48m

$77

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Wed 9/10

8:50 pm-10:34 pm

Nonstop2h 44m

Portland

Sat 9/13

7:15 am-10:58 am

Nonstop2h 43m

$100

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Wed 9/10

8:50 pm-10:34 pm

Nonstop2h 44m

Portland

Wed 9/17

7:15 am-10:58 am

Nonstop2h 43m

$100

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Sat 9/6

8:50 pm-10:34 pm

Nonstop2h 44m

Portland

Sat 9/20

7:15 am-10:58 am

Nonstop2h 43m

$100

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Wed 9/3

8:50 pm-10:39 pm

Nonstop2h 49m

Portland

Wed 9/10

7:15 am-10:58 am

Nonstop2h 43m

$100

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Sat 11/8

8:50 pm-10:39 pm

Nonstop2h 49m

Portland

Tue 11/11

6:05 am-9:46 am

Nonstop2h 41m

$101

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Fri 10/3

10:29 pm-12:12 am

Nonstop2h 43m

Portland

Sun 10/5

6:05 am-9:44 am

Nonstop2h 39m

$102

DenverPortland

DEN - PDX

DENPDX

Denver Intl

Sun 9/14

10:29 pm-12:12 am

Nonstop2h 43m

Portland

Sat 9/20

7:15 am-10:58 am

Nonstop2h 43m

$102

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 60 results
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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, January is the cheapest month in which you can book a flight from Denver to State of Washington (average of $238). Flying from Denver to State of Washington in June is currently the most expensive (average of $389). 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 August 14, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to State of Washington as you normally would.

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 August 14, 2025.

The most flights from DEN to USWA are scheduled on a Thursday (59 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (20 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 August 14, 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
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Southwest
8.0
Very good
4,244 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
United Airlines
7.4
Good
8,916 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Frontier
5.8
Fair
3,219 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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 198 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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: Virgin Atlantic (84%), Singapore Airlines (81%), KLM (81%).

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

    On average you can expect to pay $507 for a flight from Denver to State of Washington. The cheapest flight overall is $85 while the most popular route, (Denver Intl - Seattle/Tacoma Intl) is currently priced at $117.

  • 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, January is the cheapest month in which you can book a flight from Denver to State of Washington (average of $238). Flying from Denver to State of Washington in June is currently the most expensive (average of $389). 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

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Alternative routes for Denver to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$60Average$169FlexibilityNo cancel feeOn-time62%
DeltaCheapest$109Average$255FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$109Average$312FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$137Average$307FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$148Average$380FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$157Average$380FlexibilityNo cancel feeOn-time75%

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