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$44+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — SEA
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$100
(Cheapflightsfares)

One-way from

$44
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$187

Good round-trip deal

$119 or less

Good one-way deal

$87 or less
Provider with most accurate pricing for Denver Intl-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Seattle/Tacoma Intl flights.
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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. 12% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 14, 2025.

This Southwest deal was found by Cheapflights users on 10/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2610:35 pmDEN - SEA
Nonstop3h 00mSouthwest
Mon 12/18:35 pmSEA - DEN
Nonstop2h 30mSouthwest
Deal found 10/14$97
This United Airlines deal was found by Cheapflights users on 10/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/135:55 pmDEN - SEA
1 stop6h 49mUnited Airlines
Mon 11/177:13 pmSEA - DEN
Nonstop2h 42mUnited Airlines
Deal found 10/14$99
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2810:00 amDEN - SEA
Nonstop3h 13mFrontier
Fri 10/319:22 pmSEA - DEN
1 stop12h 59mFrontier
Deal found 10/14$100
This Yatra.com deal was found by Cheapflights users on 10/13. 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 Yatra.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:05 amDEN - SEA
Nonstop3h 08mDelta
Wed 11/195:25 amSEA - DEN
1 stop4h 42mDelta
Deal found 10/13$101
This Frontier deal was found by Cheapflights users on 10/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3110:00 amDEN - SEA
Nonstop3h 13mFrontier
Sat 11/112:58 pmSEA - DEN
Nonstop2h 59mFrontier
Deal found 10/14$102
This Frontier deal was found by Cheapflights users on 10/12. 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.
Mon 11/310:05 amDEN - PDX
Nonstop2h 51mFrontier
Mon 11/1010:03 amPDX - DEN
1 stop10h 46mFrontier
Deal found 10/12$102
This Southwest deal was found by Cheapflights users on 10/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1310:35 pmDEN - SEA
Nonstop3h 00mSouthwest
Tue 11/189:25 amSEA - DEN
1 stop7h 35mSouthwest
Deal found 10/14$103
This Frontier deal was found by Cheapflights users on 10/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/189:58 amDEN - PDX
Nonstop2h 50mFrontier
Wed 10/2212:43 pmPDX - DEN
Nonstop2h 43mFrontier
Deal found 10/11$103
This Orbitz deal was found by Cheapflights users on 10/12. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/610:00 amDEN - SEA
Nonstop3h 13mMultiple Airlines
Sun 11/98:15 pmSEA - DEN
Nonstop2h 44mMultiple Airlines
Deal found 10/12$104
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:00 amDEN - SEA
Nonstop3h 13mFrontier
Thu 10/301:18 pmSEA - DEN
Nonstop2h 53mFrontier
Deal found 10/14$105
This CheapOair deal was found by Cheapflights users on 10/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3110:05 amDEN - PDX
Nonstop2h 51mFrontier
Mon 11/312:51 pmPDX - DEN
1 stop22h 16mFrontier
Deal found 10/12$105
This Kiwi.com deal was found by Cheapflights users on 10/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/205:30 amDEN - SEA
Nonstop3h 03mFrontier
Tue 11/181:37 pmSEA - DEN
Nonstop2h 53mFrontier
Deal found 10/14$106

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 October 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

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Mon 1/12

7:50 pm-10:05 pm

Nonstop3h 15m

Seattle/Tacoma Intl

Tue 1/27

7:35 am-11:29 am

Nonstop2h 54m

$97

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Mon 12/15

4:00 pm-10:30 pm

1 stop7h 30m

Seattle/Tacoma Intl

Tue 12/30

8:35 pm-12:05 am

Nonstop2h 30m

$107

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Mon 11/24

6:20 pm-12:11 am

1 stop6h 51m

Seattle/Tacoma Intl

Tue 12/2

7:35 pm-11:21 pm

Nonstop2h 46m

$107

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Sat 1/10

7:55 am-10:10 am

Nonstop3h 15m

Seattle/Tacoma Intl

Sun 1/25

6:35 am-3:45 pm

1 stop8h 10m

$107

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Fri 11/7

6:25 am-8:31 am

Nonstop3h 06m

Seattle/Tacoma Intl

Sat 11/15

11:15 am-7:00 pm

1 stop6h 45m

$107

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Thu 11/13

6:05 am-8:13 am

Nonstop3h 08m

Seattle/Tacoma Intl

Tue 11/18

5:25 am-11:07 am

1 stop4h 42m

$107

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Fri 1/9

6:25 pm-11:16 pm

1 stop5h 51m

Seattle/Tacoma Intl

Sun 1/11

7:40 pm-11:22 pm

Nonstop2h 42m

$107

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Thu 12/11

12:05 pm-6:36 pm

1 stop7h 31m

Seattle/Tacoma Intl

Sun 12/14

7:35 pm-11:21 pm

Nonstop2h 46m

$107

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Fri 11/7

7:41 pm-9:45 pm

Nonstop3h 04m

Seattle/Tacoma Intl

Sun 11/9

5:25 am-11:07 am

1 stop4h 42m

$107

DenverSeattle

DEN - SEA

DENSEA

Denver Intl

Wed 11/19

12:02 pm-4:55 pm

1 stop5h 53m

Seattle/Tacoma Intl

Sun 11/23

7:31 am-11:28 am

Nonstop2h 57m

$107

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

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, 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 October 14, 2025.

It’s typically best to fly out from Denver to State of Washington in the evening. Doing so could potentially save you 27% 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. Saturday 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 October 14, 2025.

The most flights from DEN to USWA are scheduled on a Monday (43 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 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 October 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
11,082 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
11,082 reviews
Alaska Airlines
8.0
Very good
11,082 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
11,082 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
11,082 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
United Airlines
7.4
Good
8,977 reviews
Alaska Airlines
8.0
Very good
11,082 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Frontier
5.8
Fair
3,135 reviews
Alaska Airlines
8.0
Very good
11,082 reviews

Crew

8.5

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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 175 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?

    Delta, Southwest, and Frontier can get you from Denver to State of Washington in just under 3h 15m. Your travel time can differ by up to 7h 31m. 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 ($73), Southwest ($78), and Alaska Airlines ($78).

  • 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: Sun Country Air (100%), Virgin Atlantic (92%), ANA (85%).

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

    On average you can expect to pay $669 for a flight from Denver to State of Washington. The cheapest flight overall is $70 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.

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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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$70Average$169FlexibilityNo cancel feeOn-time62%
DeltaCheapest$110Average$251FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$111Average$317FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$136Average$310FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$153Average$373FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$161Average$397FlexibilityNo cancel feeOn-time75%

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