WAS - DEN

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Everything you should know

Cheapest round-trip
$210
Typical prices: $233-$472
Frontier
Sat 10/13Sat 10/20
BWI - DEN • 1 stop
Cheapest non-stop
$255
Typical prices: $234-$474
Frontier
Wed 10/3Tue 10/16
DCA - DEN • Non-stop
Nonstop flights
You can fly direct with United Airlines and Frontier. Average duration is 4h 04m
Direct flights
+1
Direct flights
+1
Top routes
Cheapest • 15% average savings
Most popular
Insights
Insights
Avoid delays
Most punctual • 88% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 34% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 29% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $271 (round-trip)
Shortest trip • 5h 15m (one-way)
Insights
Insights
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Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Washington, D.C. to Denver (WAS-DEN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington, D.C. to Denver

Tue, Oct 13 - Tue, Oct 20
Frontier Logo
10:22 am - 9:31 pmBWI  Baltimore/Washington-DEN Denver Intl
13h 09m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
6:57 pm - 9:27 amDEN  Denver Intl-BWI Baltimore/Washington
12h 30m1 stop Atlanta Hartsfield-Jackson
$210Frontier
Tue, Oct 13 - Tue, Oct 20
Southwest Logo
6:40 pm - 10:15 pmDCA  Washington, D.C. Reagan-National-DEN Denver Intl
5h 35m1 stop Lambert-St Louis
Southwest Logo
3:15 pm - 10:55 pmDEN  Denver Intl-DCA Washington, D.C. Reagan-National
5h 40m1 stop New Orleans Louis Armstrong
$243Southwest
Tue, Oct 20 - Wed, Oct 28
Frontier Logo
9:06 pm - 8:06 amIAD  Washington, D.C. Dulles Intl-DEN Denver Intl
13h 00m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
10:43 am - 11:43 pmDEN  Denver Intl-IAD Washington, D.C. Dulles Intl
11h 00m1 stop Atlanta Hartsfield-Jackson
$245Frontier
Sat, Oct 31 - Tue, Nov 3
Southwest Logo
6:05 am - 12:00 pmDCA  Washington, D.C. Reagan-National-DEN Denver Intl
7h 55m2 stops Nashville Intl Houston Hobby
Southwest Logo
11:20 am - 6:00 pmDEN  Denver Intl-DCA Washington, D.C. Reagan-National
4h 40m1 stop Omaha Eppley Airfield
$248Southwest
Tue, Sep 29 - Tue, Oct 13
United Airlines Logo
10:30 am - 2:32 pmIAD  Washington, D.C. Dulles Intl-DEN Denver Intl
6h 02m1 stop Chicago O'Hare Intl
United Airlines Logo
12:09 pm - 5:35 pmDEN  Denver Intl-IAD Washington, D.C. Dulles Intl
3h 26mnonstop
$261United Airlines
Tue, Sep 29 - Tue, Oct 13
United Airlines Logo
10:30 am - 3:17 pmDCA  Washington, D.C. Reagan-National-DEN Denver Intl
6h 47m1 stop Chicago O'Hare Intl
United Airlines Logo
2:49 pm - 10:52 pmDEN  Denver Intl-DCA Washington, D.C. Reagan-National
6h 03m1 stop Chicago O'Hare Intl
$264United Airlines
Tue, Oct 27 - Thu, Oct 29
Multiple Airlines Logo
9:06 pm - 8:22 amIAD  Washington, D.C. Dulles Intl-DEN Denver Intl
13h 16m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
7:34 pm - 2:45 pmDEN  Denver Intl-IAD Washington, D.C. Dulles Intl
17h 11m1 stop Valparaiso Destin-Ft Walton Beach
$277Multiple Airlines
Sun, Nov 8 - Tue, Nov 10
Multiple Airlines Logo
5:40 am - 5:29 pmBWI  Baltimore/Washington-DEN Denver Intl
13h 49m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul
Multiple Airlines Logo
4:17 pm - 9:50 amDEN  Denver Intl-BWI Baltimore/Washington
15h 33m2 stops Dallas/Fort Worth Atlanta Hartsfield-Jackson
$287Multiple Airlines
Sat, Oct 24 - Sat, Oct 31
Delta Logo
12:37 pm - 5:32 pmBWI  Baltimore/Washington-DEN Denver Intl
6h 55m1 stop Detroit Metropolitan Wayne County
Delta Logo
9:00 am - 5:29 pmDEN  Denver Intl-BWI Baltimore/Washington
6h 29m1 stop Atlanta Hartsfield-Jackson
$291Delta
Sun, Oct 11 - Fri, Oct 16
Delta Logo
6:05 am - 9:35 amIAD  Washington, D.C. Dulles Intl-DEN Denver Intl
5h 30m1 stop Detroit Metropolitan Wayne County
Delta Logo
12:59 am - 8:14 pmDEN  Denver Intl-IAD Washington, D.C. Dulles Intl
17h 15m1 stop Atlanta Hartsfield-Jackson
$372Delta
Booking Insights

Price, demand and travel trends for Washington, D.C. to Denver flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Washington, D.C. to Denver with more confidence.

How much is a round-trip flight from Washington, D.C. to Denver?

Round-trip flights from Washington, D.C. to Denver start at $210. Prices are below average for this route right now, with typical round-trip fares ranging from $233 to $472. The lowest price found in the past 5 days was $210 on Frontier.

What is the cheapest Washington, D.C. to Denver flight route?

Washington, D.C. Reagan-National Airport (DCA) to Denver (DEN) is the cheapest Washington, D.C. to Denver route, averaging $308 round-trip. Other Washington, D.C. to Denver routes average $419, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Washington, D.C. to Denver?

Wednesday is the cheapest day of the week to fly from Washington, D.C. to Denver, it is 3% cheaper than the average day. Sunday is the most expensive day with flight prices 17% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Washington, D.C. to Denver?

•February is the cheapest month to fly from Washington, D.C. to Denver at $243 round-trip.
•June ($443) and July ($428) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 82% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Washington, D.C. to Denver the cheapest?

Flights from Washington, D.C. to Denver are cheapest 5 weeks before departure. Booking in this window typically costs about 34% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Washington, D.C. to Denver

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Frontier, United Airlines and IAD

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Ramsey Qubein

Ramsey Qubein

Expert on DCA

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Harriet Baskas

Harriet Baskas

Expert on DEN

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Key details for Washington, D.C. to Denver flights

Low season

May

Cheapest flight

$88
Best time to beat the crowds but there is an average 6% increase in price.
Most popular time to fly and prices are also 29% lower on average.
Flight from Baltimore to Denver

When to book flights from Washington, D.C. to Denver

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Denver based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. to Denver flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • What facilities does Dulles International Airport have for children and families?

    In addition to secure nursing rooms that are located in each Terminal and contain changing tables and rocking chairs, Dulles International Airport has a "Funway" children’s play area that is near Gate B70. This play zone contains interactive equipment, as well as a system with over 100 different games for all ages.

  • What is there to do while waiting for my flight at Baltimore/Washington International Thurgood Marshall Airport?

    If you enjoy working out, consider purchasing a $25 daily pass for the Technogym that is located in Concourse D of Baltimore/Washington International Thurgood Marshall Airport. To clear your head and enjoy some peace and quiet, go to the Meditation Room, which is found between Concourses D and E.

  • Is smoking prohibited at Denver International Airport?

    Although smoking is strictly prohibited inside of all terminals in Denver International Airport, there are some areas where you can have a cigarette outside of the Arrivals area. Before smoking, make sure that you are at least 20 ft away from each door, and look to see if there are any airport signs declaring it a smoke-free zone.

  • Where can I buy food at Denver International Airport?

    Boulder Beer Tap House can be found in the Jeppesen Terminal of Denver International Airport and serves an American-style menu, while there is a Caribou Coffee in each Terminal that specializes in breakfast and sweet treats. Denver Chophouse is a popular choice near the A Gates that has many healthy vegetarian and gluten-free options.

  • How can I get information at the Denver International Airport?

    While at Denver International Airport (DEN), you can seek information and assistance from an Ambassador Volunteer. Recognizing one is easy since they all adorn distinct blue plaid vests. Alternatively, you can seek information from one of the Airport Information Booths available on the Landside of the Jeppesen Terminal and Airside in the Center Cores of Gates A, B, and C.

  • Can I rent a car at Denver Airport (DEN)?

    You can rent a car at DEN, given that this airport has onsite locations for up to twelve car rental agencies, including Budget, Dollar, Enterprise, Payless, Thrifty, and SIXT. Each agency provides shuttle services from Jeppesen Terminal. The shuttles pick up passengers from Jeppesen Terminal Level 5, Island 4, outside doors 505-513 and 504-512.

  • Does Denver Airport have a prayer room?

    DEN has an Interfaith Chapel with an Islamic Prayer Hall as well as a Christian Prayer room. It’s in the Jeppesen Terminal on the East Side of Level 6. Since it is open 24 hours a day, you can visit no matter how late you land at the airport.

  • What are some of the attractions worth checking out at Baltimore/Washington International Airport?

    As you wait for your flight at BWI, you can learn about the exciting life of the first African-American Supreme Court Judge, Thurgood Marshall, at the tribute named after him near the Observation Gallery. Alternatively, you can check out the Benson-Hammond House, a Greek revival-style house at the edge of the airport property listed on the National Register of Historic Places.

  • Does Baltimore/Washington International Airport have a children’s play area?

    BWI has not one but two children’s play areas where you can let your children burn off their energy as you wait for your flight. One is near Gate D11, while the other is by the Observation Gallery just before the B/C security checkpoint.

  • Which airlines offering flights from Washington, D.C., to Denver are eco-friendly?

    Among the airlines that serve flights from Washington D.C. to Denver, Alaska Airlines, JetBlue, and Delta lead in eco-friendliness. This is because they boast low emission rates, efficient planes, and working waste recycling programs.

  • Which airlines offer extra legroom and free seat selection on Washington, D.C. to Denver flights?

    Among airlines operating Washington, D.C. to Denver flights:

    • Frontier: offers free seat selection
    • United Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Washington, D.C. to Denver?

    2 airlines operate flights between Washington, D.C. and Denver. The airlines offering nonstop flights on this route include:

    • United Airlines
    • Frontier

  • Which airports can I use when flying from Washington, D.C. to Denver?

    Flights from Washington, D.C. to Denver may depart from several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD). Flights usually arrive at Denver Intl (DEN).

  • Which airlines include bags at no extra cost on Washington, D.C. to Denver flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Frontier: a cabin bag and a checked bag in Economy Class
    • United Airlines: a cabin bag and a checked bag in Economy Class
    • JetBlue: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Washington, D.C. to Denver?

    Four cabin classes are available on flights from Washington, D.C. to Denver:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How much can I save by taking a layover when flying from Washington, D.C. to Denver?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $271 round-trip via Tampa (TPA), compared to $342 for nonstop.

  • What is the standard checked-bag allowance on flights from Washington, D.C. to Denver?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $27–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which airports do connecting flights from Washington, D.C. to Denver pass through?

    One-stop flights from Washington, D.C. to Denver most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 45% of one-stop connections
    • Boston Logan Intl (BOS) - 13% of one-stop connections
    • Charlotte Douglas (CLT) - 9% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 5% of one-stop connections

    Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. to Denver?

    Yes. Being flexible with your travel dates can save you up to 18% on the Washington, D.C. to Denver route. Wednesday is the cheapest departure day at $333 round-trip on average, while Sunday is the most expensive at $402, a difference of $69. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed from Washington, D.C. to Denver?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Washington, D.C. to Denver route, 13% of flights were delayed in the past 3 months, with delays averaging 2 hours 28 minutes.

  • How are flight departures from Washington, D.C. to Denver spread across the day?

    Afternoon is the busiest departure period on Washington, D.C. to Denver flights, with 42% of flights leaving in that window. Morning departures account for 34%, evening flights for 16%, and night flights for 8%.

  • What popular places can I visit in Denver?

    Some of the most popular sights in Denver are Colorado Convention Center, Coors Field and Ball Arena. These are among the most viewed places in Denver on KAYAK.

  • What are the earliest and latest flights from Washington, D.C. to Denver?

    These are the earliest and latest flight times available from Washington, D.C. to Denver:

    • Earliest: departs at 6:10 am and lands at 10:14 am
    • Latest: departs at 10:34 pm and lands at 2:38 am.

    The flight takes about 4h 04m.

  • How expensive are last-minute Washington, D.C. to Denver flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 24% above the route average of $341. Book 5 weeks before departure for the lowest fares.

  • How long is a flight from Washington, D.C. to Denver?

    A nonstop flight from Washington, D.C. to Denver takes 4h 04m, covering 1,471 miles.

  • Do I need a passport to fly from Washington, D.C. to Denver?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Washington, D.C. to Denver changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $210 to $1,932. That means the highest observed fare was about 9x higher than the lowest one.

  • How are flight prices from Washington, D.C. to Denver looking right now?

    One-way fares from Washington, D.C. to Denver are currently lower than usual. Average one-way flight prices are about $129, which is 42% below the typical average for this route.

  • How does United Airlines’s on-time performance compare to other airlines on Washington, D.C. to Denver flights?

    United Airlines is slightly above the route average for timely arrivals, while Southwest has a lower on-time arrival rate. On-time arrival rates on Washington, D.C. to Denver flights are:

    • United Airlines: 88% on time
    • Southwest: 86% on time
    • Frontier: 85% on time

    Overall, flights on this route are on time 87% of the time on average.

  • How do delay rates compare for morning and evening flights from Washington, D.C. to Denver?

    Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • How much time can I save by choosing a different layover airport from Washington, D.C. to Denver?

    Flying via Milwaukee-Mitchell (MKE) gives the shortest average 1-stop total travel time at 5h 15m, compared with 5h 19m via Kansas City (MCI) and 5h 32m via Lambert-St Louis (STL).

  • What is the time difference between Washington, D.C. and Denver?

    Denver is 2 hours behind Washington, D.C. (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Denver Intl Airport (DEN)?

    Denver Intl Airport (DEN) hosts 5 major car rental companies, with daily rates starting from around $16 for economy cars. Top options include:
    • Routes Car & Truck Rentals
    • Ace
    • NU Car
    • Europcar
    • Hertz

  • How much should I expect to pay for a Washington, D.C. to Denver flight?

    Round-trip flights from Washington, D.C. to Denver range from $233 to $472, with an average of $341 over the past 12 months. Anything below $233 counts as a good deal.

Your guide to booking Washington, D.C. to Denver flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average $333 - about $69 less than Sunday (17% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 5 weeks before you fly. On this route, that window historically saves about 34% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Washington, D.C. to Denver trip for February. Fares historically average $243 round-trip in that month - typically $200 less than the most expensive month, which is June (based on the last 12 months).
  • If arriving on time is high on your priority list, United Airlines is the strongest pick on this route. 88% of United Airlines flights from Washington, D.C. to Denver arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 87%. When flights on this route do arrive late, the average delay is 2 hours 28 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Tampa Airport (TPA) can be cheaper than flying direct. The cheapest layover option averages $271 round-trip on this route - about $71 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Denver Intl Airport.
    - The Westin Denver International Airport
  • When you are browsing through flights from Washington to Denver, first make sure to decide which airport you would like to depart from. While Baltimore/Washington International Thurgood Marshall Airport (BWI) is a convenient choice for those leaving from Maryland, Ronald Reagan Washington National Airport (DCA) and Dulles International Airport (IAD) are closer to downtown Washington, D.C.
  • For those who want to book nonstop flights from Washington to Denver, consider flying with Southwest Airlines, as they allow customers to check two suitcases for free. If you would prefer a more budget-friendly company, Spirit Airlines also operates flights between these two cities.
  • If you have some time to kill before you start boarding your plane, head to the Observation Area at Ronald Reagan Washington National Airport. Located on the Departures level between Terminals B and C, this area provides travelers with a direct view of the airport’s primary tarmac.
  • Need to take care of some last-minute work after your flight has landed? Drop by the business center that is near the B Gates of Denver International Airport (DEN). This center has copying machines, fax services, shipping supplies, and access to high-speed Internet, as well as public telephones.
  • To unwind after an intense day of travel, stop by A Massage in Denver International Airport for some quick relaxing service. Located near both the A Gates and B Gates, this massage parlor offers services at a variety of price points and durations, including express foot massages and full back massages.
  • If you’re flying from Dulles International Airport (IAD) with your pet, you can let it relieve itself, quench its thirst, and even play a bit at one of the airport’s pet relief areas as you wait for your flight. Landside, there’s one pet relief area near Door 16, another near Door 1, and a final one near the Baggage Claim in Arrivals Level. Airside, there’s one near Gate A32 and another by Gate D1.
  • In case you want to arrive at Ronald Reagan International Airport (DCA) with your car and leave it there till you return, you can do so without hassle given that at DCA’s Economy Lot, long-term parking is available. The parking spaces at this lot are usually in high demand. To guarantee your space and price, it’s in your best interest to reserve your parking spot.
  • If you’re an active USA military serviceman or a family member of one, you can relax at your preferred airport’s USO lounge. At DCA, the lounge is in Terminal A, Concourse Level, across from Lost and Found, while at IAD, the USO Lounge is on the Arrivals Level of the Main Terminal, opposite Baggage Claim 11. At Baltimore/Washington International Airport (BWI), it is on the Lower Level of the International Pier next to Baggage Claim 4.

Prefer to fly direct from Washington, D.C. to Denver?

 
Find which airlines fly direct from Washington, D.C. to Denver Intl Airport, which days they fly and book direct flights.

Direct departures

Washington, D.C. to Denver Intl

Monday

Frontier,United Airlines

Frontier,United Airlines

Tuesday

Frontier,United Airlines

Frontier,United Airlines

Wednesday

Frontier,United Airlines

Frontier,United Airlines

Thursday

Frontier,United Airlines

Frontier,United Airlines

Friday

Frontier,United Airlines

Frontier,United Airlines

Saturday

Frontier,United Airlines

Frontier,United Airlines

Sunday

Frontier,United Airlines

Frontier,United Airlines

See more direct flights

Direct returns

Denver Intl to Washington, D.C.

Monday

Frontier,United Airlines

Frontier,United Airlines

Tuesday

Frontier,United Airlines

Frontier,United Airlines

Wednesday

Frontier,United Airlines

Frontier,United Airlines

Thursday

Frontier,United Airlines

Frontier,United Airlines

Friday

Frontier,United Airlines

Frontier,United Airlines

Saturday

Frontier,United Airlines

Frontier,United Airlines

Sunday

Frontier,United Airlines

Frontier,United Airlines

See more direct flights

More options for your flight from Washington, D.C. to Denver

Complete your trip to Denver with a hotel stay or car rental