Cheap flights from Denver (DEN) to Washington from $41

DEN — SEA
Mar 25 — Apr 11

Travelers have found it’s best to book a flight 21 days in advance to save up to 19% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 21 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Denver to State of Washington 1-2 weeks in advance for as low as $252, or $310 for flights within the next 24 hours.

February is one of the best times of the year to fly to State of Washington from Denver. Prices for February average $238 per person but you can even find prices for as low as $81. The most expensive prices can be found in the month of July. Opting for a February flight can save you 67% on your journey compared to booking in July

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.

Cheap flights from Denver to Washington in March, April 2023

The best prices found for DEN to Washington flights for March, April

Denver to Washington 2023 flight deals

Cheap flights to Washington from Denver found for this year

Cheap Frontier flights from Denver to Washington

Cheap Spirit Airlines flights from Denver to Washington

Non-stop flights to Washington from Denver

Save time with Denver to Washington direct flight deals

Last minute flights from Denver to Washington

Late deals on return flights to Washington from Denver, departing today and this week

One-way flights to Washington from Denver

The cheapest one-way flights from Denver to Washington

Find flights from Denver to Washington within your budget

Use the slider to find flights from Denver to Washington that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$80 - $207

Route

Depart

Return

Price

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

2023-04-18

Nonstop3h 06m

Seattle/Tacoma Intl

2023-04-22

Nonstop2h 38m

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

2023-04-29

1 stop8h 22m

Seattle/Tacoma Intl

2023-05-02

Nonstop2h 38m

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

2023-04-29

1 stop8h 22m

Seattle/Tacoma Intl

2023-05-03

1 stop8h 45m

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

2023-04-29

Nonstop3h 05m

Seattle/Tacoma Intl

2023-05-03

1 stop4h 58m

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

2023-05-09

Nonstop3h 06m

Seattle/Tacoma Intl

2023-05-12

Nonstop2h 39m

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

2023-05-09

1 stop5h 46m

Seattle/Tacoma Intl

2023-05-12

Nonstop2h 39m

Denver IntlSeattle/Tacoma Intl

DEN - SEA

DENSEA

Denver Intl

2023-04-18

1 stop8h 52m

Seattle/Tacoma Intl

2023-04-24

1 stop13h 46m

Denver IntlPasco Tri Cities

DEN - PSC

DENPSC

Denver Intl

2023-04-19

Nonstop2h 38m

Pasco Tri Cities

2023-04-22

Nonstop2h 22m

Denver IntlPasco Tri Cities

DEN - PSC

DENPSC

Denver Intl

2023-04-19

1 stop5h 15m

Pasco Tri Cities

2023-04-22

1 stop5h 05m

Flights are sorted by cheapest first

Deals found on 3/19

Reviews of Airlines Servicing Washington

Alaska Airlines
8.0
Very good
1,368 reviews

Overall

8.0

Boarding

8.3

Comfort

8.0

Food

7.2

Crew

8.6

Entertainment

7.1

Reviews

1 / 10

Flight departed on time and landed a little early. Friendly staff, and they did two passes with drinks and complimentary snacks.

Alaska Airlines
8.0
Very good
1,368 reviews
Alaska Airlines
8.0
Very good
1,368 reviews

Overall

8.0

Boarding

8.3

Comfort

8.0

Food

7.2

Crew

8.6

Entertainment

7.1

Reviews

1 / 10

Flight departed on time and landed a little early. Friendly staff, and they did two passes with drinks and complimentary snacks.

Delta
8.0
Very good
2,333 reviews
Alaska Airlines
8.0
Very good
1,368 reviews

Overall

8.0

Boarding

8.3

Comfort

8.0

Food

7.2

Crew

8.6

Entertainment

7.1

Reviews

1 / 10

Flight departed on time and landed a little early. Friendly staff, and they did two passes with drinks and complimentary snacks.

United Airlines
7.6
Good
1,427 reviews
Alaska Airlines
8.0
Very good
1,368 reviews

Overall

8.0

Boarding

8.3

Comfort

8.0

Food

7.2

Crew

8.6

Entertainment

7.1

Reviews

1 / 10

Flight departed on time and landed a little early. Friendly staff, and they did two passes with drinks and complimentary snacks.

American Airlines
7.4
Good
1,727 reviews
Alaska Airlines
8.0
Very good
1,368 reviews

Overall

8.0

Boarding

8.3

Comfort

8.0

Food

7.2

Crew

8.6

Entertainment

7.1

Reviews

1 / 10

Flight departed on time and landed a little early. Friendly staff, and they did two passes with drinks and complimentary snacks.

Spirit Airlines
6.9
Okay
749 reviews
Alaska Airlines
8.0
Very good
1,368 reviews

Overall

8.0

Boarding

8.3

Comfort

8.0

Food

7.2

Crew

8.6

Entertainment

7.1

Reviews

1 / 10

Flight departed on time and landed a little early. Friendly staff, and they did two passes with drinks and complimentary snacks.

Related info for your journey

Useful info, stats and facts about Denver to Washington flights.

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.

Some of the carriers operating flights from Denver Intl to Washington that may be offering flexible cancellation policies are United Airlines, Alaska Airlines, and Delta. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Yes, there are multiple flights from Denver to State of Washington for under $100. The cheapest flight booked recently is on Frontier for just $80, but on average you can expect to pay $96.

Cheapflights has at least 20 direct flights from Denver to State of Washington under $100. A good price for a nonstop flight from Denver to State of Washington is less than $126.

There are currently 20+ open flights from Denver to State of Washington within the next 7 days for less than $200.

Nonstop flights are available for this route on the following days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

On average, you can expect to see 29 flights from Denver to State of Washington a day.
Early Morning (Midnight to 6am) - 34% of flight departures
Morning (6am - Noon) - 31% of flight departures
Afternoon (Noon - 6pm) - 10% of flight departures
Evening (6pm - Midnight) - 24% of flight departures

Frontier and Spirit Airlines can get you from Denver to State of Washington in just under 3h 06m. Your travel time can differ by up to 5h 16m. The distance between Denver and State of Washington is about 1028 mi. Both multi-stop and nonstop flights can be found to your destination and back.

The cheapest airlines for a one-way flight from Denver to State of Washington are Frontier ($41), Spirit Airlines ($42), and Undisclosed Carrier ($74).

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 (94%), Air France (93%), Korean Air (91%).

On average you can expect to pay $1,727 for a flight from Denver to State of Washington. The cheapest flight overall is $79 while the most popular route, (Denver Intl - Seattle/Tacoma Intl) is currently priced at $86.

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Denver Intl Airport to Seattle/Tacoma Intl Airport flight would often be abbreviated as a DEN to SEA flight. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Spokane Airport (GEG), Pasco Tri Cities Airport (PSC), Bellingham Airport (BLI), Everett Paine Field Airport (PAE), Pullman Moscow Regional Airport (PUW).

Destination points for flights from Denver to Washington

Select to see more specific information for flights from Denver to all places in Washington

Top 6 airlines flying from Denver to Washington

The chart below displays the airlines Cheapflights users traveling from Denver to Washington choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
FrontierCheapest$68Average$234FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
Spirit AirlinesCheapest$89Average$195FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
Alaska AirlinesCheapest$94Average$404FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights
DeltaCheapest$99Average$325FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
United AirlinesCheapest$99Average$451FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
American AirlinesCheapest$149Average$413FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights

Hourly flight availability from Denver to Washington

See what time of day planes typically take off from Denver to Washington
19%of flight departuresEarly morningMidnight to 6 am
43%of flight departuresMorning6 am to noon
14%of flight departuresAfternoonNoon to 6 pm
24%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM
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.