⚡ Fare recorded April 25, 2026 · Prices change daily

Washington DC to Denver flights

Washington DC (IAD) to Denver (DEN): 1,449 miles (2,332 km) great-circle, about 3h 25m nonstop by our estimate. Cheapest fare observed: $156 round-trip on Frontier, with 1 stop, departing May 5, 2026.

F9FrontierF94707
Depart
IAD
Washington DC, USA
07:30
2026-05-05
✈
Arrive
DEN
Denver, United States
Returns 23:54
2026-05-06
Stops
1 stop
Distance
1,449 mi
Est. nonstop time
3h 25m
Trip type
Round-trip
$156
Round-trip · per person
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About this flight

When did the cheapest Washington DC to Denver fare fly?

$156 round-trip, Frontier F94707, departing 2026-05-05 at 07:30, returning 2026-05-06. The recorded itinerary left on a Tuesday, returning on a Wednesday 1 night later; the fare was observed 10 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.

Route facts

How far is Washington DC from Denver?

  • Distance: 1,449 miles (2,332 km) great-circle, heading west.
  • Estimated nonstop flight time: about 3h 25m.
  • Departure airport: Washington Dulles International Airport (IAD), Washington DC, United States, UTC-4 on May 5, 2026.
  • Arrival: Denver International Airport (DEN), United States, UTC-6 on May 5, 2026.
  • Time difference: Denver is 2 hours behind Washington DC on the recorded date.
  • Route type: domestic, within United States.
  • Arrival airport elevation: 5,431 ft.
  • Recorded itinerary: Frontier F94707, 1 stop, round-trip, 1 days between departure and return.
Fare comparison

How does the Washington DC to Denver fare compare with other routes from IAD?

At $156, it ranked 3rd of the 30 round-trip fares we recorded from IAD (median $775). That is 10.8 cents per great-circle mile (round-trip price over one-way distance), below the IAD median of 22.5 cents across 30 round-trip routes.

Routes from IAD of similar length: San Juan (1,574 mi) at $632 and Austin (1,295 mi) at $264.

Frontier had the cheapest fare on 8 of 30 IAD routes. It is the 22nd longest of the 30 routes we track from IAD.

Other ways in

What did other cities pay to fly to Denver?

Of 19 departure airports with a fare to Denver, Washington DC (IAD) ranked 9th at $156. Lowest: $49 from Phoenix (PHX); highest: $382 from Guadalajara (GDL); 10 nonstop. Cheapest-fare airlines (routes): Frontier (18) and Viva Aerobus (1).

Sources

Where do these numbers come from?

Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/New_York, America/Denver; flight time is our estimate.

FAQ

Washington DC to Denver flight questions

How far is Washington DC from Denver by plane?

+
Washington DC is about 1,449 miles (2,332 km) from Denver on a great-circle line from Washington Dulles International Airport (IAD) to Denver International Airport (DEN), heading west. It is the 22nd longest of the 30 routes we track from IAD. The recorded itinerary had 1 stop, so the distance flown was longer.

How long is the flight from Washington DC to Denver?

+
About 3h 25m nonstop by our estimate for 1,449 miles (500 mph cruise plus 30 minutes, not a timetable). The recorded Frontier fare was with 1 stop. 19 airports in our feed had a fare to Denver; this one ranked 9th, and 10 of the 19 were nonstop.

What is the time difference between Washington DC and Denver?

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On May 5, 2026, Washington DC was on UTC-4 (America/New_York) and Denver on UTC-6 (America/Denver), so Denver was 2 hours behind Washington DC: noon in Washington DC was 10:00 in Denver. Both zones shift for daylight saving together, so the gap stays the same in January and July.

How much is a flight from Washington DC to Denver?

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As observed on April 25, 2026: $156 per person round-trip on Frontier flight F94707, departing May 5, 2026, returning May 6, 2026, with 1 stop. At $156, it ranked 3rd of the 30 round-trip fares we recorded from IAD (median $775). That is 10.8 cents per great-circle mile (round-trip price over one-way distance), below the IAD median of 22.5 cents across 30 round-trip routes. Prices change daily, so check the live fare.

Is there a nonstop flight from Washington DC to Denver?

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The cheapest recorded fare had 1 stop; our feed keeps only the cheapest fare per route, so a pricier nonstop may exist. Into Denver, 10 of the 19 recorded fares were nonstop. From IAD, 7 of 30 were. Routes from IAD of similar length: San Juan (1,574 mi) at $632 and Austin (1,295 mi) at $264.

Which airports serve flights from Washington DC to Denver?

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It departs Washington Dulles International Airport (IAD) in Washington DC, United States, and arrives at Denver International Airport (DEN) in Denver, United States. A domestic United States flight. Frontier had the cheapest fare on 8 of 30 IAD routes. Denver International Airport (DEN) sits at 5,431 ft above sea level.

Where else near Denver can you fly from Washington DC?

Dallas (DFW) $268Austin (AUS) $264San Diego (SAN) $563Los Angeles (LAX) $266Chicago (CHI) $210Atlanta (ATL) $122All flights from Washington DC →

Other cities with flights to Denver

From Phoenix (PHX) $49From Salt Lake City (SLC) $70From Minneapolis (MSP) $107From Dallas (DFW) $108From Los Angeles (LAX) $121From San Diego (SAN) $123

Ready to fly?

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