How long is the flight from Washington, D.C. to Fort Collins?

Airlines like Southwest, United Airlines, and Delta fly from Washington, D.C. to Fort Collins in about 3h 55m. The time it takes to get you to your destination can typically vary by up to 3h 12m. There are 1448 mi between Washington, D.C. and Fort Collins. Both multi-stop and nonstop flights can be found to your destination and back.

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

For one-way options, check prices for Southwest. According to our data, you can fly for as low as $81. Users have also found prices from $85 and $89 on Frontier and United 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 Washington, D.C. Dulles Intl - Denver Intl, Baltimore/Washington - 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 $916 for a flight from Washington, D.C. to Fort Collins. The cheapest flight overall is $108 while the most popular route, (Washington, D.C. Dulles Intl - Denver Intl) is currently priced at $172.

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 (95%), Southwest (89%) and United Airlines (89%).

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 Frontier, United Airlines or Southwest as they are the most popular for this route.

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.

$77+ Cheap 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 August or January, booked 85 days in advance, depart on a Wednesday or Saturday and return on a Friday

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 October 17, 2025.

Tue 10/286:31 pmDCA - DEN

Nonstop3h 59mFrontier

Thu 10/307:38 amDEN - DCA

Nonstop3h 24mFrontier

Deal found 10/15

$128

Tue 10/216:31 pmDCA - DEN

Nonstop3h 59mFrontier

Sat 10/254:34 pmDEN - DCA

Nonstop3h 25mFrontier

Deal found 10/15

$129

Wed 10/292:00 pmDCA - DEN

Nonstop4h 08mFrontier

Wed 11/127:35 amDEN - DCA

Nonstop3h 27mFrontier

Deal found 10/16

$130

Thu 12/111:00 pmDCA - DEN

Nonstop4h 06mFrontier

Sun 12/146:40 amDEN - DCA

Nonstop3h 25mFrontier

Deal found 10/14

$131

Mon 11/38:36 pmIAD - DEN

1 stop28h 40mFrontier

Thu 11/612:59 amDEN - IAD

1 stop13h 35mFrontier

Deal found 10/15

$132

Thu 11/68:15 amDCA - DEN

Nonstop4h 05mFrontier

Sat 11/84:34 pmDEN - DCA

Nonstop3h 25mFrontier

Deal found 10/15

$132

Thu 10/303:51 pmIAD - DEN

1 stop18h 42mFrontier

Mon 11/31:42 pmDEN - IAD

1 stop28h 38mFrontier

Deal found 10/16

$133

Thu 11/62:00 pmDCA - DEN

Nonstop4h 08mFrontier

Thu 11/1311:33 amDEN - DCA

Nonstop3h 26mFrontier

Deal found 10/15

$133

Wed 11/58:40 amIAD - DEN

1 stop7h 05mFrontier

Thu 11/612:59 amDEN - IAD

1 stop21h 12mFrontier

Deal found 10/15

$134

Tue 11/188:15 amDCA - DEN

Nonstop4h 05mFrontier

Tue 11/184:34 pmDEN - DCA

Nonstop3h 25mFrontier

Deal found 10/15

$134

Wed 10/298:47 amIAD - DEN

1 stop6h 58mFrontier

Sat 11/112:25 pmDEN - IAD

1 stop9h 30mFrontier

Deal found 10/16

$136

Tue 10/286:31 pmDCA - DEN

Nonstop3h 59mFrontier

Fri 10/317:38 amDEN - DCA

Nonstop3h 24mFrontier

Deal found 10/14

$136

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 October 17, 2025.

Sat 12/63:55 pmIAD - DEN

Nonstop3h 55mSouthwest

Sat 12/135:05 pmDEN - IAD

Nonstop3h 10mSouthwest

Deal found 10/16

$177

Fri 2/207:42 pmIAD - DEN

Nonstop4h 05mUnited Airlines

Tue 2/2411:59 pmDEN - IAD

Nonstop3h 19mUnited Airlines

Deal found 10/16

$197

Sat 2/712:30 pmIAD - DEN

1 stop7h 07mDelta

Mon 2/912:59 amDEN - IAD

1 stop6h 12mDelta

Deal found 10/16

$217

Sat 1/175:09 pmDCA - DEN

1 stop19h 44mAlaska Airlines

Wed 1/215:09 pmDEN - DCA

2 stops25h 51mAlaska Airlines

Deal found 10/16

$280

Wed 11/128:25 amIAD - DEN

Nonstop3h 59mUnited Airlines

Tue 11/1811:59 pmDEN - IAD

Nonstop3h 17mUnited Airlines

Deal found 10/16

$197

Sat 1/173:55 pmDCA - DEN

1 stop8h 54mDelta

Tue 1/2012:59 amDEN - DCA

1 stop6h 15mDelta

Deal found 10/15

$217

Sat 2/73:45 pmIAD - DEN

Nonstop4h 05mSouthwest

Tue 2/107:55 amDEN - IAD

1 stop6h 55mSouthwest

Deal found 10/16

$227

Fri 12/1210:10 pmIAD - DEN

Nonstop4h 05mUnited Airlines

Sun 12/1411:59 pmDEN - IAD

Nonstop3h 17mUnited Airlines

Deal found 10/16

$217

Wed 1/76:00 amDCA - DEN

1 stop6h 20mDelta

Mon 1/122:20 pmDEN - DCA

1 stop7h 13mDelta

Deal found 10/15

$227

Fri 2/2010:05 pmIAD - DEN

Nonstop3h 45mUnited Airlines

Mon 2/2311:50 pmDEN - IAD

Nonstop3h 19mUnited Airlines

Deal found 10/16

$217

Thu 11/136:00 amDCA - DEN

2 stops6h 45mSouthwest

Mon 11/179:30 amDEN - DCA

1 stop6h 50mSouthwest

Deal found 10/14

$244

Mon 1/269:59 amDCA - DEN

2 stops15h 37mAlaska Airlines

Sat 1/317:00 amDEN - DCA

1 stop12h 59mAlaska Airlines

Deal found 10/15

$280

Tue 12/912:02 pmDCA - DEN

1 stop5h 37mDelta

Sat 12/135:45 amDEN - DCA

1 stop5h 50mDelta

Deal found 10/14

$237

Thu 1/155:40 pmIAD - DEN

Nonstop4h 15mSouthwest

Sun 1/186:00 amDEN - IAD

1 stop8h 50mSouthwest

Deal found 10/15

$247

Thu 1/86:10 amDCA - DEN

1 stop6h 04mDelta

Sun 1/116:45 amDEN - DCA

1 stop7h 47mDelta

Deal found 10/15

$237

Fri 11/77:50 pmIAD - DEN

Nonstop3h 50mSouthwest

Mon 11/106:15 pmDEN - IAD

Nonstop3h 15mSouthwest

Deal found 10/15

$257

Fri 11/710:10 pmIAD - DEN

Nonstop4h 05mUnited Airlines

Sun 11/911:59 pmDEN - IAD

Nonstop3h 17mUnited Airlines

Deal found 10/16

$257

Sun 11/95:05 amIAD - DEN

Nonstop3h 55mSouthwest

Fri 11/146:15 pmDEN - IAD

Nonstop3h 15mSouthwest

Deal found 10/16

$257

Thu 11/65:18 pmIAD - DEN

Nonstop4h 11mUnited Airlines

Sun 11/911:59 pmDEN - IAD

Nonstop3h 17mUnited Airlines

Deal found 10/16

$257

Fri 10/316:05 amDCA - DEN

1 stop6h 59mDelta

Fri 11/1412:50 amDEN - DCA

1 stop6h 20mDelta

Deal found 10/16

$277

Wed 12/174:40 pmDCA - DEN

1 stop5h 10mSouthwest

Wed 12/248:00 amDEN - DCA

1 stop5h 05mSouthwest

Deal found 10/14

$265

Mon 12/88:30 amDCA - DEN

1 stop5h 55mUnited Airlines

Sat 12/139:35 amDEN - DCA

Nonstop3h 16mUnited Airlines

Deal found 10/15

$278

Thu 2/1911:45 amDCA - DEN

1 stop6h 00mSouthwest

Mon 2/236:25 amDEN - DCA

2 stops7h 35mSouthwest

Deal found 10/15

$282

Mon 11/246:58 pmBWI - DEN

1 stop6h 16mDelta

Mon 12/112:50 amDEN - BWI

1 stop8h 24mDelta

Deal found 10/14

$313

Fri 11/74:12 pmBWI - DEN

Nonstop4h 05mUnited Airlines

Mon 11/102:00 pmDEN - BWI

Nonstop3h 21mUnited Airlines

Deal found 10/13

$305

Thu 12/186:00 amBWI - DEN

1 stop6h 18mDelta

Wed 1/71:30 pmDEN - BWI

1 stop6h 26mDelta

Deal found 10/14

$340

Tue 12/93:55 pmBWI - DEN

Nonstop4h 05mSouthwest

Sat 12/135:10 pmDEN - BWI

Nonstop3h 15mSouthwest

Deal found 10/16

$310

Wed 12/33:56 pmBWI - DEN

1 stop9h 34mUnited Airlines

Sat 12/69:51 amDEN - BWI

Nonstop3h 20mUnited Airlines

Deal found 10/15

$320

Mon 12/83:55 pmBWI - DEN

Nonstop4h 05mSouthwest

Sat 12/137:45 amDEN - BWI

Nonstop3h 20mSouthwest

Deal found 10/14

$310

Sat 11/86:00 amBWI - DEN

1 stop7h 56mUnited Airlines

Mon 11/105:36 pmDEN - BWI

Nonstop3h 21mUnited Airlines

Deal found 10/15

$320

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 October 17, 2025 and is based on user searches.

Tue 10/216:31 pmDCA - DEN

Nonstop3h 59mFrontier

Sat 10/254:34 pmDEN - DCA

Nonstop3h 25mFrontier

Deal found 10/15

$129

Tue 10/286:31 pmDCA - DEN

Nonstop3h 59mFrontier

Thu 10/307:38 amDEN - DCA

Nonstop3h 24mFrontier

Deal found 10/15

$128

Tue 10/286:31 pmDCA - DEN

Nonstop3h 59mFrontier

Fri 10/317:38 amDEN - DCA

Nonstop3h 24mFrontier

Deal found 10/14

$136

Wed 10/292:00 pmDCA - DEN

Nonstop4h 08mFrontier

Wed 11/127:35 amDEN - DCA

Nonstop3h 27mFrontier

Deal found 10/16

$130

Wed 10/298:47 amIAD - DEN

1 stop6h 58mFrontier

Sat 11/112:25 pmDEN - IAD

1 stop9h 30mFrontier

Deal found 10/16

$136

Thu 10/303:51 pmIAD - DEN

1 stop18h 42mFrontier

Mon 11/31:42 pmDEN - IAD

1 stop28h 38mFrontier

Deal found 10/16

$133

Sat 11/12:00 pmDCA - DEN

Nonstop4h 08mFrontier

Thu 11/611:33 amDEN - DCA

Nonstop3h 26mFrontier

Deal found 10/15

$131

Mon 11/38:36 pmIAD - DEN

1 stop28h 40mFrontier

Thu 11/612:59 amDEN - IAD

1 stop13h 35mFrontier

Deal found 10/15

$132

Wed 11/58:40 amIAD - DEN

1 stop7h 05mFrontier

Thu 11/612:59 amDEN - IAD

1 stop21h 12mFrontier

Deal found 10/15

$134

Thu 11/68:15 amDCA - DEN

Nonstop4h 05mFrontier

Sat 11/84:34 pmDEN - DCA

Nonstop3h 25mFrontier

Deal found 10/15

$132

Thu 11/62:00 pmDCA - DEN

Nonstop4h 08mFrontier

Thu 11/1311:33 amDEN - DCA

Nonstop3h 26mFrontier

Deal found 10/15

$133

Tue 11/188:15 amDCA - DEN

Nonstop4h 05mFrontier

Tue 11/184:34 pmDEN - DCA

Nonstop3h 25mFrontier

Deal found 10/15

$134

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 October 17, 2025.

Thu 12/41:21 pmIAD - DEN

1 stop10h 10mFrontier

Deal found 10/14

$77

Mon 11/38:36 pmIAD - DEN

1 stop28h 40mFrontier

Deal found 10/14

$79

Wed 11/128:40 amIAD - DEN

1 stop7h 05mFrontier

Deal found 10/15

$80

Tue 11/45:18 pmIAD - DEN

Nonstop4h 11mUnited Airlines

Deal found 10/14

$81

Wed 11/58:40 amIAD - DEN

1 stop7h 05mFrontier

Deal found 10/15

$82

Sat 1/176:00 pmDCA - DEN

Nonstop4h 16mFrontier

Deal found 10/16

$83

Sun 12/145:45 amIAD - DEN

1 stop29h 17mFrontier

Deal found 10/16

$84

Mon 11/36:00 pmDCA - DEN

Nonstop3h 59mFrontier

Deal found 10/16

$84

Sun 11/25:00 amIAD - DEN

1 stop29h 03mFrontier

Deal found 10/16

$85

Mon 2/96:00 pmDCA - DEN

Nonstop4h 12mFrontier

Deal found 10/15

$85

Thu 10/309:52 pmIAD - DEN

1 stop12h 51mFrontier

Deal found 10/14

$86

Wed 12/176:00 pmDCA - DEN

Nonstop4h 12mFrontier

Deal found 10/15

$86

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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$128 (Cheapflightsfares)
One-way from	$77 (Trip.com)
Popular in	December
Cheapest in	August
Average price	$268

Provider with most accurate pricing for Washington, D.C. (WAS)-Denver Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Denver Intl flights.

Search Deals

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).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

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

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sat 12/6

3:55 pm-5:50 pm

Nonstop3h 55m

Denver Intl

Sat 12/13

5:05 pm-10:15 pm

Nonstop3h 10m

$177

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Fri 2/20

7:42 pm-9:47 pm

Nonstop4h 05m

Denver Intl

Tue 2/24

11:59 pm-5:18 am

Nonstop3h 19m

$197

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Wed 11/12

8:25 am-10:24 am

Nonstop3h 59m

Denver Intl

Tue 11/18

11:59 pm-5:16 am

Nonstop3h 17m

$197

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sat 2/7

12:30 pm-5:37 pm

1 stop7h 07m

Denver Intl

Mon 2/9

12:59 am-9:11 am

1 stop6h 12m

$217

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Sat 1/17

3:55 pm-10:49 pm

1 stop8h 54m

Denver Intl

Tue 1/20

12:59 am-9:14 am

1 stop6h 15m

$217

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Fri 12/12

10:10 pm-12:15 am

Nonstop4h 05m

Denver Intl

Sun 12/14

11:59 pm-5:16 am

Nonstop3h 17m

$217

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Fri 2/20

10:05 pm-11:50 pm

Nonstop3h 45m

Denver Intl

Mon 2/23

11:50 pm-5:09 am

Nonstop3h 19m

$217

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sat 2/7

3:45 pm-5:50 pm

Nonstop4h 05m

Denver Intl

Tue 2/10

7:55 am-4:50 pm

1 stop6h 55m

$227

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Wed 1/7

6:00 am-10:20 am

1 stop6h 20m

Denver Intl

Mon 1/12

2:20 pm-11:33 pm

1 stop7h 13m

$227

Washington, D.C.Denver

DCA - DEN

DCADEN

Washington, D.C. Reagan-National

Tue 12/9

12:02 pm-3:39 pm

1 stop5h 37m

Denver Intl

Sat 12/13

5:45 am-1:35 pm

1 stop5h 50m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 60 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 85 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, November is the cheapest month in which you can book a flight from Washington, D.C. to Fort Collins (average of $79). Flying from Washington, D.C. to Fort Collins in June is currently the most expensive (average of $173). 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?

One of the essential ways to save on airfare from Washington, D.C. to Fort Collins is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 34% on airfare.

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 Friday 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 Thursday (32 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 on average).

Reviews of airlines servicing Fort Collins

Get a feel of what it's like to fly with Southwest, Delta, and United Airlines 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.

Southwest

8.0

Very good

4,241 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Southwest

8.0

Very good

4,241 reviews

Southwest

8.0

Very good

4,241 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Delta

8.0

Very good

7,984 reviews

Southwest

8.0

Very good

4,241 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

United Airlines

7.4

Good

8,982 reviews

Southwest

8.0

Very good

4,241 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

American Airlines

7.2

Good

11,043 reviews

Southwest

8.0

Very good

4,241 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Frontier

5.8

Fair

3,137 reviews

Southwest

8.0

Very good

4,241 reviews

Reviews

1 / 20

2.0

Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

How long is the flight from Washington, D.C. to Fort Collins?
Airlines like Southwest, United Airlines, and Delta fly from Washington, D.C. to Fort Collins in about 3h 55m. The time it takes to get you to your destination can typically vary by up to 3h 12m. There are 1448 mi between Washington, D.C. and Fort Collins. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines to fly from Washington, D.C. to Fort Collins one-way?
For one-way options, check prices for Southwest. According to our data, you can fly for as low as $81. Users have also found prices from $85 and $89 on Frontier and United 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 Washington, D.C. Dulles Intl - Denver Intl, Baltimore/Washington - 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 (95%), Southwest (89%) and United Airlines (89%).
What are the cheapest flights from Washington, D.C. to Fort Collins?
On average you can expect to pay $916 for a flight from Washington, D.C. to Fort Collins. The cheapest flight overall is $108 while the most popular route, (Washington, D.C. Dulles Intl - Denver Intl) is currently priced at $172.
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, November is the cheapest month in which you can book a flight from Washington, D.C. to Fort Collins (average of $79). Flying from Washington, D.C. to Fort Collins in June is currently the most expensive (average of $173). 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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Alternative routes for Washington, D.C. to Fort Collins

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Top 6 airlines flying from Washington, D.C. to Fort Collins

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$95	Average$237	FlexibilityNo cancel fee	On-time62%
JetBlue	Cheapest$128	Average$321	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$138	Average$325	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$166	Average$307	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$178	Average$337	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$212	Average$438	FlexibilityNo cancel fee	On-time69%

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$77+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Washington, D.C. to Fort Collins are usually found in August or January, booked 85 days in advance, depart on a Wednesday or Saturday and return on a Friday

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 October 17, 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 October 17, 2025.

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 October 17, 2025.

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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 October 10, 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 October 17, 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

Reviews of airlines servicing Fort Collins

Get a feel of what it's like to fly with Southwest, Delta, and United Airlines 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.

How long is the flight from Washington, D.C. to Fort Collins?

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?

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

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Top 6 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 October 17, 2025.