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Find cheap flights from Colorado to Washington, D.C. from $40

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Washington, D.C. departing on 7/31. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Wed 6/5
Wed 6/12

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In the last 7 days travelers have searched 42,830,901 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

December

Cheapest flight

$40
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly and prices are also 1% lower on average.
Flight from Denver to Baltimore

FAQs for booking flights from Colorado to Washington, D.C.

  • How does KAYAK find such low prices on flights from Colorado to Washington, D.C.?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Colorado to Washington, D.C..

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Colorado to Washington, D.C.?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Colorado is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Colorado to Washington, D.C.?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington, D.C. with an airline and back to Colorado with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Colorado to Washington, D.C.?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Colorado up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Colorado to Washington, D.C.?

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

Nonstop departures

Colorado to Washington, D.C.

Monday

ANA, ASKY, Aer Lingus, +73 more

ANA, ASKY, +74 more

Tuesday

ANA, ASKY, Aer Lingus, +72 more

ANA, ASKY, +73 more

Wednesday

ANA, ASKY, Aer Lingus, +72 more

ANA, ASKY, +73 more

Thursday

ANA, ASKY, Aer Lingus, +73 more

ANA, ASKY, +74 more

Friday

ANA, ASKY, Aer Lingus, +73 more

ANA, ASKY, +74 more

Saturday

ANA, ASKY, Aer Lingus, +72 more

ANA, ASKY, +73 more

Sunday

ANA, ASKY, Aer Lingus, +73 more

ANA, ASKY, +74 more

See more direct flights

Nonstop returns

Washington, D.C. to Colorado

Monday

ANA, ASKY, Aer Lingus, +73 more

ANA, ASKY, +74 more

Tuesday

ANA, ASKY, Aer Lingus, +72 more

ANA, ASKY, +73 more

Wednesday

ANA, ASKY, Aer Lingus, +72 more

ANA, ASKY, +73 more

Thursday

ANA, ASKY, Aer Lingus, +73 more

ANA, ASKY, +74 more

Friday

ANA, ASKY, Aer Lingus, +73 more

ANA, ASKY, +74 more

Saturday

ANA, ASKY, Aer Lingus, +72 more

ANA, ASKY, +73 more

Sunday

ANA, ASKY, Aer Lingus, +73 more

ANA, ASKY, +74 more

See more direct flights
See more direct flights

Book cheap flights from Colorado to Washington, D.C.

Recent round-trip flight deals

7/17Wed
nonstopFrontier
3h 32mDEN-BWI
7/24Wed
nonstopFrontier
4h 01mBWI-DEN
$78
7/31Wed
nonstopFrontier
3h 32mDEN-BWI
8/7Wed
nonstopFrontier
4h 01mBWI-DEN
$86
5/25Sat
1 stop
14h 30mDEN-BWI
6/1Sat
nonstop
4h 05mBWI-DEN
$147
5/31Fri
nonstop
3h 33mDEN-BWI
6/3Mon
1 stop
7h 34mBWI-DEN
$151
6/1Sat
1 stopSun Country Air
7h 57mDEN-IAD
6/4Tue
1 stopSun Country Air
5h 56mIAD-DEN
$170
6/3Mon
1 stopSun Country Air
15h 13mDEN-IAD
6/5Wed
1 stopSun Country Air
6h 28mIAD-DEN
$195
8/6Tue
1 stopAmerican Airlines
8h 38mCOS-IAD
8/13Tue
1 stopAmerican Airlines
8h 13mIAD-COS
$208
6/19Wed
nonstopUnited Airlines
3h 26mDEN-IAD
6/22Sat
nonstopUnited Airlines
3h 51mIAD-DEN
$209
7/10Wed
nonstopUnited Airlines
3h 26mDEN-IAD
7/15Mon
nonstopUnited Airlines
3h 50mIAD-DEN
$229
6/8Sat
1 stopAmerican Airlines
6h 59mDEN-IAD
6/11Tue
1 stopAmerican Airlines
6h 52mIAD-DEN
$245

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Recent one-way flight deals

7/31Wed
nonstopFrontier
3h 32mDEN-BWI
$40
7/31Wed
nonstopFrontier
3h 32mDEN-BWI
$44
6/1Sat
1 stopSun Country Air
7h 57mDEN-IAD
$69
6/4Tue
1 stopSun Country Air
15h 26mDEN-IAD
$79
6/3Mon
2 stops
28h 21mDEN-BWI
$93
6/5Wed
2 stops
20h 29mDEN-BWI
$100
6/25Tue
1 stopJetBlue
6h 57mDEN-DCA
$102
7/17Wed
nonstopUnited Airlines
3h 26mDEN-IAD
$105
6/5Wed
nonstopUnited Airlines
3h 21mDEN-BWI
$115
5/20Mon
1 stopJetBlue
6h 34mDEN-DCA
$177

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Last minute flights from Colorado to Washington, D.C.

Last minute flight, train and bus deals

5/11Sat
nonstopFrontier
3h 22mDEN-DCA
5/14Tue
nonstopFrontier
4h 08mDCA-DEN
$195
5/11Sat
nonstopFrontier
3h 29mDEN-BWI
5/15Wed
nonstopFrontier
4h 11mBWI-DEN
$204
5/11Sat
multi-stopAmerican Airlines
7h 01mDEN-BWI
5/13Mon
multi-stopAmerican Airlines
6h 16mBWI-DEN
$316
5/7Tue
multi-stopAmerican Airlines
5h 40mCOS-BWI
5/11Sat
multi-stopAmerican Airlines
6h 25mBWI-COS
$320
5/11Sat
multi-stopSun Country Air
15h 17mDEN-IAD
5/19Sun
multi-stopSun Country Air
28h 45mIAD-DEN
$325
5/9Thu
multi-stop
14h 25mDEN-BWI
5/15Wed
nonstop
4h 11mBWI-DEN
$343
5/11Sat
multi-stopSun Country Air
15h 17mDEN-IAD
5/22Wed
multi-stopSun Country Air
18h 15mIAD-DEN
$345
5/10Fri
multi-stopDelta
7h 33mDEN-IAD
5/14Tue
multi-stopDelta
6h 03mIAD-DEN
$348
5/10Fri
multi-stopDelta
6h 55mDEN-DCA
5/14Tue
multi-stopDelta
6h 54mDCA-DEN
$348
5/9Thu
multi-stop
14h 25mDEN-BWI
5/13Mon
nonstop
4h 11mBWI-DEN
$363

Search by stops

Search by airline

Search by price