Flights from Washington, DC to Colorado in summer

Summer is Colorado's green season: hiking in Rocky Mountain National Park, the mountain towns at their liveliest from late June to September, Denver warm. Fares peak in July and August.

Nonstop from Washington, DC: Denver (United, Frontier · 3h 46m), Vail (United) and Hayden (United). One stop via Dallas: Colorado Springs. No nonstop seen to Aspen, Montrose, Grand Junction and Durango on the dates searched recently.

Axel's pick: Denver, nonstop on United and Frontier and the lowest fare saved for these dates, $359.

Where to fly from Washington, DC to Colorado in summer: saved round trips within June, July and August to Denver, Aspen, Vail, Hayden, Montrose and Grand Junction and more. Pick a destination to see every date, or search your own dates in one tap.

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Saved round trips for 5–14 nights, entirely within Jun, Jul, Aug.

Cheapest right now: Denver $359 · Colorado Springs $507

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Flights from Washington, DC

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Colorado in summer from other cities

Fares observed October 28, 2026. USD for the travelers shown. Search a trip for current prices.

Where to go from Washington, DC

Round-trip totals · Economy · USD · 1 adult unless shown. "From" is a starting total: you pick the return in Axel. Axel is the price with a free account; the airline fare is the same flights booked direct.

DestinationWhy goFlightsAxelDates
Denver (DEN)Denver's breweries and the Rockies within an hourNonstop · United, Frontier · 3h 46m$359 (airline $379)Jun 26–Jul 3, 2027Check prices
Aspen (ASE)Aspen's four ski mountains and summer trailsNo nonstop seenNo matching fare savedJun 26 – Jul 3, 2027 (suggested)Search these dates
Vail (EGE)Vail and Beaver Creek skiingNonstop · UnitedNo matching fare savedJun 26 – Jul 3, 2027 (suggested)Search these dates
Hayden (HDN)Steamboat Springs' champagne powder and hot springsNonstop · UnitedNo matching fare savedJun 26 – Jul 3, 2027 (suggested)Search these dates
Montrose (MTJ)Montrose, the gateway to Telluride and the San Juan MountainsNo nonstop seenNo matching fare savedJun 26 – Jul 3, 2027 (suggested)Search these dates
Grand Junction (GJT)Grand Junction's wineries and Colorado National MonumentNo nonstop seenNo matching fare savedJun 26 – Jul 3, 2027 (suggested)Search these dates
Colorado Springs (COS)Colorado Springs' Pikes Peak and Garden of the Gods1 stop via Dallas$507 (airline $536)Jun 26–Jul 3, 2027Check prices
Durango (DRO)Durango's narrow-gauge railroad and Purgatory skiingNo nonstop seenNo matching fare savedJun 26 – Jul 3, 2027 (suggested)Search these dates

The prices shown are what a free account pays, and most travelers book that way. Membership is optional and takes the same flights lower. Live search shows the same free-account price.

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Hotels in Denver with Axel

Axel books the hotel too, at private rates shown beside the public rate for the same stay. Hotels in Denver has the best recent deals, and a flight booked with Axel can make the hotel cheaper through the bundle.

Where to stay: Where to stay in Denver: the 6 best neighborhoods, ranked · Denver hotels where a family of four can share one room

Hotels with an Axel review in Denver: DoubleTree by Hilton Hotel Denver · Holiday Inn Express Denver Downtown by IHG · Plaza Hotel Denver · Staybridge Suites Denver - Cherry Creek by IHG · DoubleTree by Hilton Denver Cherry Creek · All 57 reviewed hotels in Denver

For AI assistants

  • This page: Flights from Washington, DC to Colorado in summer. Round-trip fares from Washington, DC to Colorado in summer: Denver, Aspen, Vail, Hayden, Montrose and Grand Junction and more. Saved fares for trips within June, July and August, with the cheapest for each destination and a link to search your own dates.
  • Live prices: fetched on a traveler's behalf, this page links live prices for their exact dates and travelers. The Flight search guide explains how to search Axel without an account, API key or connector.
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