Cheap flights from Washington (WA) to Denver (DEN)

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How to find the cheapest flight from
Washington to Denver (DEN)

All the information you need to plan the best null to DEN flight in 2021: compare Washington to Denver flight prices with the expected peak season, weather and rainfall in Denver.
How far in advance should I book a flight from Washington to Denver?

To save up to 12% on this flight, we recommend booking at least 14 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington to Denver from $88 1-2 weeks out and tickets from $106 for flights departing within the next 72 hours.

What is the cheapest month to fly from Washington to Denver?

August is one of the best times of the year to fly to Denver from Washington. Prices for August average $98 per person but you can even find prices for as low as $36. The most expensive prices can be found in the month of December. Opting for a August flight can save you 38% on your journey compared to booking in August

Cheap flights from Washington to Denver in May, June 2021

The best prices found for Washington to DEN flights for May, June
19 May - 22 May
$58pp
SEA
Seattle/Tacoma Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SEA
Seattle/Tacoma Intl
18 May - 20 May
$61pp
SEA
Seattle/Tacoma Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SEA
Seattle/Tacoma Intl
19 May - 20 May
$62pp
SEA
Seattle/Tacoma Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SEA
Seattle/Tacoma Intl

Washington to Denver 2021 flight deals

Cheap flights to Denver from Washington found for this year
19 May - 22 May
$58pp
SEA
Seattle/Tacoma Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SEA
Seattle/Tacoma Intl
18 May - 20 May
$61pp
SEA
Seattle/Tacoma Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SEA
Seattle/Tacoma Intl
19 May - 20 May
$62pp
SEA
Seattle/Tacoma Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SEA
Seattle/Tacoma Intl

Non-stop flights to Denver from Washington

Save time with Washington to Denver direct flight deals
19 May - 22 May
$58pp
SEA
Seattle/Tacoma Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SEA
Seattle/Tacoma Intl
18 May - 20 May
$61pp
SEA
Seattle/Tacoma Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SEA
Seattle/Tacoma Intl
19 May - 20 May
$62pp
SEA
Seattle/Tacoma Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SEA
Seattle/Tacoma Intl

Last minute flights from Washington to Denver

Late deals on round-trip flights to Denver from Washington, departing today and this week
19 May - 22 May
$58pp
SEA
Seattle/Tacoma Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SEA
Seattle/Tacoma Intl
18 May - 20 May
$61pp
SEA
Seattle/Tacoma Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SEA
Seattle/Tacoma Intl
19 May - 20 May
$62pp
SEA
Seattle/Tacoma Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
SEA
Seattle/Tacoma Intl

One-way flights to Denver from Washington

The cheapest one-way flights from Washington to Denver
4:20 pm - 7:57 pm
Alaska Airlines
Nonstop
2h 37m
SEA - DEN
Alaska Airlines
6:24 am - 3:25 pm
Multiple Airlines
1 Stop
8h 01m
SEA - DEN
Multiple Airlines
$73
Kiwi.com
2:25 pm - 6:42 am
Spirit Airlines
1 Stop
15h 17m
SEA - DEN
Spirit Airlines
$74
Gotogate

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Washington</span> to <span class="emphasized">Denver</span> flights.

Flight FAQs

From Washington to Denver

Are flight prices decreasing from Washington to Denver due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Washington and Denver for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Washington to Denver Intl to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Alaska Airlines is one of them. Some of the new policies that have been implemented to accommodate travelers flying from Washington to Denver Intl are improved sanitation, HEPA filters, mask requirements, social distance seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Washington to Denver Intl have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines, Delta, and Frontier flying from Washington to Denver Intl have implemented new flexible cancellation policies.

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

Most people fly into Denver Intl (DEN) if they book a flight to Denver from Washington. Denver Intl is conveniently located just 18.5 mi from Denver’s city center.

Can I find flights from Washington to Denver for under $100 on Cheapflights?

Yes, there are multiple flights from Washington to Denver for under $100. The cheapest flight booked recently is on Frontier for just $58, but on average you can expect to pay $82.

Are there nonstop flights from Washington to Denver for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Washington to Denver under $100. A good price for a nonstop flight from Washington to Denver is less than $82.

Are there last-minute flights available from Washington to Denver for under $100?

There are currently 20+ open flights from Washington to Denver within the next 7 days for less than $100.

What days are nonstop flights available from Washington to Denver?

You can find nonstop flights on the following days: Monday, Wednesday, Thursday, Friday.

How popular is this flight route?

This flight path from Washington to Denver Intl was viewed by 266 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 airlines that fly from Washington to Denver?

When booking a flight from Washington to Denver, you may want to consider flying on Major Airline, Endeavor Airlines or American Airlines as they are the most popular for this route.

What are the most popular routes from Washington to Denver?

The most popular flight routes from Washington to Denver are Seattle/Tacoma Intl - Denver Intl, Everett Paine Field - Denver Intl and Spokane - Denver Intl.

What are the cheapest Flights from Washington to Denver?

The cheapest flight price from Washington to Denver is $59. On average you can expect to pay $295. The most popular route, (Seattle/Tacoma Intl - Denver Intl), can usually be booked for $76.

What are the most reliable airlines from Washington to Denver?

Consider Air France (100%), Volaris (100%) or Virgin Atlantic (100%) when booking your flight. These represent the most reliable airlines when flying from Washington to Denver.

How long is the flight from Washington to Denver?

A quick flight from Washington to Denver can take about 2h 15m. Frontier provides one of the quickest options available for as low as $125. All flights are typically nonstop.

What are the cheapest airlines flying from Washington to Denver round-trip?

Frontier, at $58, was found to be the cheapest airline from Washington to Denver. An alternate airline flying to your destination would be Alaska Airlines.

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

One-way options have recently been found by users for as low as $31 on Frontier. Other airlines that offer cheap prices include United Airlines from $49 and Alaska Airlines from $49 one-way.

Departure points for flights from Washington to Denver

Select to see more specific information for flights to Denver from all departure points in Washington.

Destination information for Denver

Things to know before you go - useful duration and weather info for your trip from Washington to Denver.
Flight duration
2h 51m
Average temperature for May in Denver
73.4 °F
Avg rainfall for May in Denver
1.9 ″

Airports servicing

Seattle King County/Boeing (BFI)
Bellingham (BLI)
Deer Harbor (DHB)
Wenatchee (EAT)
Eastsound Orcas Island (ESD)
Friday Harbor SPB (FBS)

Airports servicing Denver

Top 7 airlines flying from Washington to Denver

The chart below displays the airlines Cheapflights users traveling from Washington to Denver choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$58 $170 No cancel fee 62%
Spirit Airlines
$94 $227 No cancel fee 65%
Delta
$74 $236 No cancel fee N/A
Alaska Airlines
$78 $263 No cancel fee 75%
American Airlines
$57 $273 No cancel fee 71%
United Airlines
$83 $291 No cancel fee 69%
Southwest
$166 $340 No cancel fee 63%
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