$68+ Cheap flights from Colorado to District of Columbia
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — IAD
ene. 15 — ene. 221
1 adult, Economy
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Colorado to District of Columbia
Cheapest flights from Colorado to District of ColumbiaExplore the most affordable flight options available from Colorado to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 16, 2025.
Explore the most affordable flight options available from Colorado to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 16, 2025.
This Kiwi.com deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/245:51 pmDEN - IAD
2 stops15h 47mFrontier
dom. 1/186:00 amIAD - DEN
1 stop17h 26mFrontier
Deal found 12/13![Frontier logo]()
$233
This Frontier deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/244:38 pmDEN - DCA
Nonstop3h 21mFrontier
mar. 1/68:59 amDCA - DEN
Nonstop4h 13mFrontier
Deal found 12/14![Frontier logo]()
$239
This Priceline deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1711:59 pmDEN - DCA
1 stop8h 36mMultiple Airlines
mar. 1/68:59 amDCA - DEN
Nonstop4h 13mMultiple Airlines
Deal found 12/14![Multiple Airlines logo]()
$242
This Super.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/304:38 pmDEN - DCA
Nonstop3h 21mFrontier
mar. 1/62:00 pmDCA - DEN
Nonstop4h 15mFrontier
Deal found 12/15![Frontier logo]()
$246
This Priceline deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1810:40 pmDEN - DCA
1 stop9h 55mMultiple Airlines
mar. 1/62:00 pmDCA - DEN
Nonstop4h 15mMultiple Airlines
Deal found 12/14![Multiple Airlines logo]()
$247
This Super.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/2411:59 pmDEN - IAD
1 stop6h 47mFrontier
lun. 1/196:00 amIAD - DEN
1 stop8h 21mFrontier
Deal found 12/15![Frontier logo]()
$252
This Super.com deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1711:59 pmDEN - IAD
1 stop6h 47mFrontier
lun. 1/59:58 pmIAD - DEN
1 stop27h 01mFrontier
Deal found 12/14![Frontier logo]()
$260
This Super.com deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1711:38 amDEN - DCA
Nonstop3h 21mFrontier
mar. 1/68:59 amDCA - DEN
Nonstop4h 13mFrontier
Deal found 12/14![Frontier logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/3011:06 amDEN - IAD
1 stop24h 39mMultiple Airlines
mar. 1/66:00 amIAD - DEN
2 stops29h 50mMultiple Airlines
Deal found 12/15![Multiple Airlines logo]()
$266
This Frontier deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/304:38 pmDEN - DCA
Nonstop3h 21mFrontier
lun. 1/58:00 amDCA - DEN
Nonstop4h 13mFrontier
Deal found 12/15![Frontier logo]()
$270
This Super.com deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/207:35 amDEN - DCA
Nonstop3h 26mFrontier
mar. 1/68:59 amDCA - DEN
Nonstop4h 13mFrontier
Deal found 12/14![Frontier logo]()
$273
This Expedia deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/2912:14 amDEN - IAD
1 stop9h 24mFrontier
lun. 1/59:58 pmIAD - DEN
1 stop27h 01mFrontier
Deal found 12/14![Frontier logo]()
$274
Find flight deals from Colorado to District of Columbia
Keep the following information in mind while searching for Colorado to District of Columbia flight deals. Data was last updated diciembre 16, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $130 (Frontier) |
One-way from | $68 (Kiwi.com) |
Popular in | November |
Cheapest in | January |
Average price | $329 |
Good round-trip deal | $173 or less |
Good one-way deal | $111 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado to District of Columbia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 16, 2025.
Use the filters below to find and compare flights from Colorado to District of Columbia that are best for you.
Fly from
Colorado
Fly to
District of Columbia
Route
Depart
Return
Price
DenverWashington, D.C.
DEN - IAD
DENIAD
Denver Intl
mié. 1/14
2:42 pm-11:57 pm
1 stop7h 15m
Washington, D.C. Dulles Intl
mié. 1/21
6:00 am-10:08 am
1 stop6h 08m
$217
DenverWashington, D.C.
DEN - DCA
DENDCA
Denver Intl
jue. 1/8
11:35 am-10:59 pm
1 stop9h 24m
Washington, D.C. Reagan-National
dom. 1/11
6:00 am-10:42 am
1 stop6h 42m
$219
DenverWashington, D.C.
DEN - DCA
DENDCA
Denver Intl
jue. 1/8
11:35 am-10:59 pm
1 stop9h 24m
Washington, D.C. Reagan-National
mar. 1/13
7:00 am-12:45 pm
1 stop7h 45m
$219
DenverWashington, D.C.
DEN - DCA
DENDCA
Denver Intl
jue. 3/5
11:13 pm-8:01 am
1 stop6h 48m
Washington, D.C. Reagan-National
mar. 3/10
7:00 am-1:51 pm
1 stop8h 51m
$219
DenverWashington, D.C.
DEN - DCA
DENDCA
Denver Intl
jue. 1/8
11:35 am-10:59 pm
1 stop9h 24m
Washington, D.C. Reagan-National
lun. 1/12
6:00 am-10:42 am
1 stop6h 42m
$219
DenverWashington, D.C.
DEN - DCA
DENDCA
Denver Intl
mié. 1/7
11:35 am-10:59 pm
1 stop9h 24m
Washington, D.C. Reagan-National
lun. 1/12
6:00 am-10:42 am
1 stop6h 42m
$219
DenverWashington, D.C.
DEN - IAD
DENIAD
Denver Intl
lun. 1/12
2:42 pm-11:57 pm
1 stop7h 15m
Washington, D.C. Dulles Intl
sáb. 1/24
7:00 am-2:05 pm
1 stop9h 05m
$227
DenverWashington, D.C.
DEN - DCA
DENDCA
Denver Intl
sáb. 1/10
2:38 pm-10:57 pm
1 stop6h 19m
Washington, D.C. Reagan-National
sáb. 1/17
4:00 pm-10:55 pm
1 stop8h 55m
$227
DenverWashington, D.C.
DEN - IAD
DENIAD
Denver Intl
sáb. 1/10
5:00 pm-10:10 pm
Nonstop3h 10m
Washington, D.C. Dulles Intl
sáb. 1/17
3:45 pm-5:50 pm
Nonstop4h 05m
$237
DenverWashington, D.C.
DEN - IAD
DENIAD
Denver Intl
mar. 1/6
2:42 pm-11:57 pm
1 stop7h 15m
Washington, D.C. Dulles Intl
sáb. 1/10
6:00 am-10:24 am
1 stop6h 24m
$237
Showing 1-10 of 60 results
Best time to book a flight from Colorado to District of Columbia
Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Colorado with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Colorado to District of Columbia
What is the cheapest month to book a flight from Colorado to District of Columbia?
Currently, February is the cheapest month in which you can book a flight from Colorado to District of Columbia (average of $76). Flying from Colorado to District of Columbia in May is currently the most expensive (average of $134). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CO to DC?
Find hourly flight availability from Colorado to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 16, 2025.
Unlike in the morning, when flights are generally more expensive, you can save up to 23% on flights from Colorado to District of Columbia by exploring options for tickets in the evening.
What is the cheapest day to fly from Colorado to District of Columbia?
Use this chart to determine the cheapest time to fly round-trip from Colorado to District of Columbia. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Colorado to District of Columbia flight should consider departing on Thursday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Colorado to District of Columbia
Explore weekly flight availability from Colorado to District of Columbia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated diciembre 16, 2025.
The most flights from USCO to USDC are scheduled on a Monday (23 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).
Reviews of airlines servicing District of Columbia
Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated diciembre 16, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Colorado to District of Columbia have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Food
7.0
Entertainment
7.5
Boarding
8.1
Overall
7.9
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Related info for your journey
Find useful and relevant information for your journey from Colorado to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Colorado to District of Columbia
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Colorado to District of Columbia
Discover the top 5 airlines that operate flights from Colorado to District of Columbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 16, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$99 | Average$239 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$138 | Average$316 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$177 | Average$374 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$180 | Average$488 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$196 | Average$416 | FlexibilityNo cancel fee | On-time71% |