What are the cheapest airlines to fly from Washington, D.C. to Fort Collins one-way?

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $89. Users have also found prices from $99 and $100 on Southwest and American Airlines, respectively.

In terms of precipitation, rainfall in Fort Collins ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Fort Collins when rainfall is around 0.5 in.

If weather is an important factor for your trip to Fort Collins, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What are the most popular routes from Washington, D.C. to Fort Collins?

The most popular flight routes from Washington, D.C. to Fort Collins are Baltimore/Washington - Denver Intl, Washington, D.C. Dulles Intl - Denver Intl and Washington, D.C. Reagan-National - Denver Intl.

What are the cheapest flights from Washington, D.C. to Fort Collins?

On average you can expect to pay $790 for a flight from Washington, D.C. to Fort Collins. The cheapest flight overall is $115 while the most popular route, (Baltimore/Washington - Denver Intl) is currently priced at $156.

What are the most reliable airlines from Washington, D.C. to Fort Collins?

The top 3 most reliable airlines when flying from Washington, D.C. to Fort Collins are Ethiopian Air (82%), Copa Airlines (76%) and United Airlines (75%).

What are the most popular airlines that fly from Washington, D.C. to Fort Collins?

When booking a flight from Washington, D.C. to Fort Collins, you may want to consider flying on American Airlines, Delta or Frontier as they are the most popular for this route.

How far in advance should I book a flight from Washington, D.C. to Fort Collins?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 38 days in advance, which can save you up to 43% on flights from Washington, D.C. to Fort Collins compared to booking the week you need them. Waiting 38 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $250. For sooner than that we have options available in the next 3 days from $383.

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

The best pricing can be found in the month of September. Prices to Fort Collins from Washington, D.C. average $283. You can even find prices in September for less than $283, as users have found deals to Fort Collins from as low as $86. The month of December appears to be one of the more expensive times to travel to Fort Collins from Washington, D.C.. Flying in the targeted month can save you up to 25%.

Can I find deals for flights from Washington, D.C. to Fort Collins that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to Fort Collins flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to Fort Collins?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Fort Collins.

Can I find deals for business class flights from Washington, D.C. to Fort Collins?

Yes. Cheapflights offers flight deals from Washington, D.C. to Fort Collins by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$89+ Flights from Washington, D.C. to Fort Collins

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Cheapflights Tip: The best prices from Washington, D.C. to Fort Collins are usually found in September or August, booked 77 days in advance, depart on a Wednesday or Saturday and return on a Friday

Cheap flight deals from Washington, D.C. to Fort Collins

Round-trip from	$179 (Priceline)
One-way from	$89 (Frontier)
Popular in	December
Cheapest in	September
Average price	$275

From Washington, D.C. (WAS) to Fort Collins

Search Deals

One-way flight from Washington, D.C. (WAS) to Fort Collins

Search Deals

Highest demand for flights based on searches. 2% potential increase in price ($6 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Washington, D.C. to Fort Collins

Cheapest flights from Washington, D.C. to Fort Collins
Explore the most affordable flight options available from Washington, D.C. to Fort Collins. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Thu 8/217:00 amDCA - DEN

Nonstop3h 56mFrontier

Fri 8/2211:27 amDEN - DCA

Nonstop3h 32mFrontier

Deal found 7/3

$179

Fri 8/228:19 pmIAD - DEN

1 stop14h 17mFrontier

Tue 8/2612:53 pmDEN - IAD

1 stop6h 46mFrontier

Deal found 7/3

$180

Wed 7/95:26 pmBWI - DEN

Nonstop4h 05mFrontier

Wed 7/166:30 amDEN - BWI

1 stop10h 41mFrontier

Deal found 7/1

$182

Thu 9/254:30 pmIAD - DEN

1 stop8h 25mSouthwest

Tue 9/304:45 pmDEN - IAD

Nonstop3h 20mSouthwest

Deal found 7/2

$187

Sat 9/275:00 amDCA - DEN

1 stop6h 53mAmerican Airlines

Sat 9/2712:25 pmDEN - DCA

1 stop7h 35mAmerican Airlines

Deal found 7/2

$191

Sat 8/164:17 pmDCA - DEN

Nonstop4h 14mMultiple Airlines

Sat 8/236:45 amDEN - DCA

Nonstop3h 26mMultiple Airlines

Deal found 7/2

$192

Thu 8/2810:25 amIAD - DEN

Nonstop3h 44mUnited Airlines

Sun 8/318:00 amDEN - IAD

Nonstop3h 26mUnited Airlines

Deal found 7/3

$195

Tue 9/24:55 pmDCA - DEN

1 stop5h 05mSouthwest

Wed 9/38:30 amDEN - DCA

1 stop7h 45mSouthwest

Deal found 7/2

$197

Tue 8/267:44 amIAD - DEN

2 stops10h 00mAmerican Airlines

Tue 9/211:59 pmDEN - IAD

1 stop8h 08mAmerican Airlines

Deal found 7/2

$202

Thu 9/116:15 amBWI - DEN

Nonstop3h 50mSouthwest

Mon 9/1511:40 pmDEN - BWI

Nonstop3h 20mSouthwest

Deal found 7/2

$217

Sat 8/97:00 pmDCA - DEN

1 stop6h 22mUnited Airlines

Tue 8/129:40 amDEN - DCA

Nonstop3h 25mUnited Airlines

Deal found 7/1

$223

Sat 9/276:20 pmBWI - DEN

1 stop5h 56mAmerican Airlines

Sat 9/2711:59 pmDEN - BWI

1 stop7h 49mAmerican Airlines

Deal found 7/2

$231

Best flights from Washington, D.C. to Fort Collins
Discover carefully curated flight deals from Washington, D.C. to Fort Collins that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Thu 7/176:06 pmIAD - DEN

1 stop7h 50mFrontier

Mon 7/216:10 pmDEN - IAD

1 stop10h 24mFrontier

Deal found 7/3

$179

Thu 9/254:30 pmIAD - DEN

1 stop8h 25mSouthwest

Tue 9/304:45 pmDEN - IAD

Nonstop3h 20mSouthwest

Deal found 7/2

$187

Sat 9/276:30 amDCA - DEN

1 stop7h 10mAmerican Airlines

Sat 9/272:17 pmDEN - DCA

1 stop5h 43mAmerican Airlines

Deal found 7/3

$191

Sat 8/164:17 pmDCA - DEN

Nonstop4h 14mMultiple Airlines

Sat 8/236:45 amDEN - DCA

Nonstop3h 26mMultiple Airlines

Deal found 7/2

$192

Thu 8/2810:25 amIAD - DEN

Nonstop3h 44mUnited Airlines

Sun 8/318:00 amDEN - IAD

Nonstop3h 26mUnited Airlines

Deal found 7/3

$195

Thu 8/217:00 amDCA - DEN

Nonstop3h 56mFrontier

Fri 8/2211:27 amDEN - DCA

Nonstop3h 32mFrontier

Deal found 7/3

$179

Tue 9/24:55 pmDCA - DEN

1 stop5h 05mSouthwest

Wed 9/38:30 amDEN - DCA

1 stop7h 45mSouthwest

Deal found 7/2

$197

Sat 8/27:53 pmBWI - DEN

1 stop12h 56mFrontier

Sat 8/98:53 pmDEN - BWI

1 stop11h 58mFrontier

Deal found 7/1

$182

Tue 8/267:44 amIAD - DEN

2 stops10h 00mAmerican Airlines

Tue 9/211:59 pmDEN - IAD

1 stop8h 08mAmerican Airlines

Deal found 7/2

$202

Mon 8/114:17 pmDCA - DEN

Nonstop4h 14mUnited Airlines

Sat 8/166:03 amDEN - DCA

1 stop6h 19mUnited Airlines

Deal found 7/2

$214

Thu 9/116:15 amBWI - DEN

Nonstop3h 50mSouthwest

Sun 9/145:00 amDEN - BWI

Nonstop3h 20mSouthwest

Deal found 7/3

$217

Last-minute flights from Washington, D.C. to Fort Collins
Discover last-minute flight deals from Washington, D.C. to Fort Collins. Data last updated July 3, 2025 and is based on user searches.

Tue 7/82:05 pmIAD - DEN

Nonstop3h 50mSouthwest

Tue 7/225:25 pmDEN - IAD

Nonstop3h 20mSouthwest

Deal found 6/30

$307

Tue 7/87:59 amDCA - DEN

1 stop8h 04mDelta

Tue 7/2212:55 amDEN - DCA

1 stop5h 41mDelta

Deal found 7/1

$327

Tue 7/86:05 amDCA - DEN

1 stop5h 20mSouthwest

Wed 7/239:55 amDEN - DCA

2 stops6h 25mSouthwest

Deal found 7/1

$332

Wed 7/95:26 pmBWI - DEN

Nonstop4h 05mFrontier

Wed 7/166:30 amDEN - BWI

1 stop10h 41mFrontier

Deal found 7/1

$182

Wed 7/96:00 pmDCA - DEN

Nonstop4h 05mFrontier

Wed 7/1611:27 amDEN - DCA

Nonstop3h 32mFrontier

Deal found 7/2

$192

Wed 7/98:00 amDCA - DEN

1 stop10h 54mMultiple Airlines

Sun 7/136:38 amDEN - DCA

Nonstop3h 26mMultiple Airlines

Deal found 7/2

$302

Wed 7/93:45 pmDCA - DEN

1 stop7h 39mJetBlue

Tue 7/1510:39 pmDEN - DCA

1 stop7h 26mJetBlue

Deal found 7/1

$478

Sat 7/121:36 pmIAD - DEN

1 stop11h 35mFrontier

Tue 7/151:39 pmDEN - IAD

1 stop8h 33mFrontier

Deal found 7/1

$202

Sat 7/1212:40 pmIAD - DEN

1 stop10h 16mMultiple Airlines

Fri 7/1812:23 amDEN - IAD

1 stop10h 29mMultiple Airlines

Deal found 7/2

$311

Sat 7/124:17 pmDCA - DEN

Nonstop4h 14mUnited Airlines

Tue 7/297:50 amDEN - DCA

1 stop5h 58mUnited Airlines

Deal found 7/1

$333

Sun 7/135:00 amDCA - DEN

1 stop6h 35mAmerican Airlines

Thu 7/176:03 amDEN - DCA

1 stop5h 56mAmerican Airlines

Deal found 7/3

$407

Mon 8/49:30 amDCA - DEN

1 stop6h 25mSouthwest

Tue 8/121:15 pmDEN - DCA

2 stops7h 10mSouthwest

Deal found 7/2

$202

One-way flights from Washington, D.C. to Fort Collins
Search for one-way flight options from Washington, D.C. to Fort Collins. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Mon 8/45:26 pmBWI - DEN

Nonstop4h 05mFrontier

Deal found 7/3

$89

Sat 7/121:36 pmIAD - DEN

1 stop11h 35mFrontier

Deal found 7/1

$96

Sat 9/207:00 amDCA - DEN

Nonstop3h 58mFrontier

Deal found 7/3

$96

Wed 8/134:55 pmIAD - DEN

1 stop7h 35mSouthwest

Deal found 7/2

$99

Thu 8/75:45 pmDCA - DEN

1 stop7h 20mSouthwest

Deal found 7/2

$99

Tue 9/165:20 pmDCA - DEN

1 stop6h 49mAmerican Airlines

Deal found 7/1

$100

Tue 9/1611:18 amIAD - DEN

2 stops12h 58mAmerican Airlines

Deal found 7/2

$104

Fri 8/158:06 pmIAD - DEN

Nonstop3h 51mUnited Airlines

Deal found 7/3

$109

Tue 9/98:00 amDCA - DEN

1 stop11h 21mHawaiian Airlines

Deal found 7/1

$112

Tue 9/1610:05 amBWI - DEN

1 stop6h 13mAmerican Airlines

Deal found 7/2

$119

Fri 8/156:20 pmDCA - DEN

1 stop7h 55mDelta

Deal found 7/3

$119

Sun 7/206:30 amBWI - DEN

1 stop19h 20mMultiple Airlines

Deal found 7/1

$126

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Fort Collins that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Thu 8/21

7:00 am-8:56 am

Nonstop3h 56m

Denver Intl

Fri 8/22

11:27 am-4:59 pm

Nonstop3h 32m

$179

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Fri 8/22

8:19 pm-8:36 am

1 stop14h 17m

Denver Intl

Tue 8/26

12:53 pm-9:39 pm

1 stop6h 46m

$180

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Sat 8/2

7:53 pm-6:49 am

1 stop12h 56m

Denver Intl

Sat 8/9

8:53 pm-10:51 am

1 stop11h 58m

$182

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Thu 9/25

4:30 pm-10:55 pm

1 stop8h 25m

Denver Intl

Sat 9/27

5:30 pm-10:50 pm

Nonstop3h 20m

$187

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Sat 9/27

5:00 am-9:53 am

1 stop6h 53m

Denver Intl

Sat 9/27

12:25 pm-10:00 pm

1 stop7h 35m

$191

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Sat 8/16

4:17 pm-6:31 pm

Nonstop4h 14m

Denver Intl

Sat 8/23

6:45 am-12:11 pm

Nonstop3h 26m

$192

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Thu 8/28

10:25 am-12:09 pm

Nonstop3h 44m

Denver Intl

Sun 8/31

8:00 am-1:26 pm

Nonstop3h 26m

$195

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Tue 9/2

4:55 pm-8:00 pm

1 stop5h 05m

Denver Intl

Wed 9/3

8:30 am-6:15 pm

1 stop7h 45m

$197

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Tue 8/26

7:44 am-5:48 pm

2 stops12h 04m

Denver Intl

Wed 9/3

12:41 pm-10:45 pm

1 stop8h 04m

$202

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Mon 8/11

4:17 pm-6:31 pm

Nonstop4h 14m

Denver Intl

Sat 8/16

6:03 am-2:22 pm

1 stop6h 19m

$214

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 30 results

Best time to book a flight from Washington, D.C. to Fort Collins

Have a flexible travel schedule? Discover the best time to fly to Fort Collins from Washington, D.C. 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 Washington, D.C. to Fort Collins

How far ahead should I book a flight from Washington, D.C. to Fort Collins?

The price you pay for your flight from Washington, D.C. to Fort Collins may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. to Fort Collins?

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Fort Collins (average of $197). Flying from Washington, D.C. to Fort Collins in March is currently the most expensive (average of $278). 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 WAS to FC9?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Fort Collins as you normally would.

What is the cheapest day to fly from Washington, D.C. to Fort Collins?

Travelers seeking maximum savings on their Washington, D.C. to Fort Collins flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Fort Collins

The most flights from WAS to FC9 are scheduled on a Monday (37 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (23 on average).

How much does it cost to fly round-trip from Washington, D.C. to Fort Collins?

Reviews of airlines servicing Fort Collins

Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Washington, D.C. to Fort Collins by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,266 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,982 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Hawaiian Airlines

7.8

Good

2,545 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,861 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

What are the cheapest airlines to fly from Washington, D.C. to Fort Collins one-way?
For one-way options, check prices for Frontier. According to our data, you can fly for as low as $89. Users have also found prices from $99 and $100 on Southwest and American Airlines, respectively.
What are the most popular routes from Washington, D.C. to Fort Collins?
The most popular flight routes from Washington, D.C. to Fort Collins are Baltimore/Washington - Denver Intl, Washington, D.C. Dulles Intl - Denver Intl and Washington, D.C. Reagan-National - Denver Intl.
What are the most reliable airlines from Washington, D.C. to Fort Collins?
The top 3 most reliable airlines when flying from Washington, D.C. to Fort Collins are Ethiopian Air (82%), Copa Airlines (76%) and United Airlines (75%).
What are the cheapest flights from Washington, D.C. to Fort Collins?
On average you can expect to pay $790 for a flight from Washington, D.C. to Fort Collins. The cheapest flight overall is $115 while the most popular route, (Baltimore/Washington - Denver Intl) is currently priced at $156.
Can I find deals for flights from Washington, D.C. to Fort Collins that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to Fort Collins flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to Fort Collins?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Fort Collins.
Can I find deals for business class flights from Washington, D.C. to Fort Collins?
Yes. Cheapflights offers flight deals from Washington, D.C. to Fort Collins by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. to Fort Collins?
Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Fort Collins (average of $197). Flying from Washington, D.C. to Fort Collins in March is currently the most expensive (average of $278). 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.

See more FAQs

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Top 7 airlines flying from Washington, D.C. to Fort Collins

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$80	Average$230	FlexibilityNo cancel fee	On-time62%
JetBlue	Cheapest$128	Average$321	FlexibilityNo cancel fee	On-time62%
Sun Country Air	Cheapest$155	Average$275	FlexibilityNo cancel fee	On-time83%
American Airlines	Cheapest$166	Average$319	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$189	Average$436	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$199	Average$346	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$216	Average$332	FlexibilityNo cancel fee	On-timeN/A

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$89+ Cheap flights from Washington, D.C. (WAS) to Fort Collins, CO

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Fort Collins with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. to Fort Collins are usually found in September or August, booked 77 days in advance, depart on a Wednesday or Saturday and return on a Friday

Cheap flight deals from Washington, D.C. to Fort Collins

Keep the following information in mind while searching for Washington, D.C. to Fort Collins flight deals. Data was last updated July 3, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Washington, D.C. to Fort Collins

Cheapest flights from Washington, D.C. to Fort CollinsExplore the most affordable flight options available from Washington, D.C. to Fort Collins. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Washington, D.C. to Fort Collins. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Fort Collins that are best for you.

Best time to book a flight from Washington, D.C. to Fort Collins

Have a flexible travel schedule? Discover the best time to fly to Fort Collins from Washington, D.C. with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Fort Collins

How far ahead should I book a flight from Washington, D.C. to Fort Collins?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Fort Collins. Price data was last updated on June 27, 2025.

What is the cheapest month to book a flight from Washington, D.C. to Fort Collins?

What is the cheapest time of day to fly from WAS to FC9?

Find hourly flight availability from Washington, D.C. to Fort Collins. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

What is the cheapest day to fly from Washington, D.C. to Fort Collins?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Fort Collins. Price data was last updated on December 16, 2024.

Weekly flight availability from Washington, D.C. to Fort Collins

How much does it cost to fly round-trip from Washington, D.C. to Fort Collins?

Reviews of airlines servicing Fort Collins

Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Washington, D.C. to Fort Collins by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Fort Collins. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Washington, D.C. to Fort Collins one-way?

What are the most popular routes from Washington, D.C. to Fort Collins?

What are the most reliable airlines from Washington, D.C. to Fort Collins?

What are the cheapest flights from Washington, D.C. to Fort Collins?

Can I find deals for flights from Washington, D.C. to Fort Collins that include hotel bookings?

How can I find direct flights from Washington, D.C. to Fort Collins?

Can I find deals for business class flights from Washington, D.C. to Fort Collins?

What is the cheapest month to book a flight from Washington, D.C. to Fort Collins?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Fort Collins

See prices for flight routes from nearby airports that may be better suited for you.

Top 7 airlines flying from Washington, D.C. to Fort Collins

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Cheapest flights from Washington, D.C. to Fort Collins
Explore the most affordable flight options available from Washington, D.C. to Fort Collins. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.