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Fort Collins

$94+ Cheap flights from Boston (BOS) 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — DEN
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Fort Collins are usually found in January or March, booked 87 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Boston to Fort Collins

Cheapest flights from Boston to Fort Collins
Explore the most affordable flight options available from Boston to Fort Collins. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:45 pmBOS - DEN
Nonstop4h 52mJetBlue
Sat 1/311:59 pmDEN - BOS
1 stop5h 42mJetBlue
Deal found 12/13$247
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:20 amBOS - DEN
1 stop8h 40mUnited Airlines
Sun 1/188:01 amDEN - BOS
Nonstop4h 01mUnited Airlines
Deal found 12/14$248
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:35 amBOS - DEN
Nonstop4h 51mDelta
Tue 1/2011:38 amDEN - BOS
Nonstop3h 57mDelta
Deal found 12/13$267
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:30 pmBOS - DEN
1 stop7h 29mAmerican Airlines
Sat 1/177:39 amDEN - BOS
1 stop6h 17mAmerican Airlines
Deal found 12/13$282
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:53 amBOS - DEN
1 stop6h 44mAmerican Airlines
Tue 1/209:01 amDEN - BOS
1 stop7h 18mAmerican Airlines
Deal found 12/13$287
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amBOS - DEN
2 stops17h 49mFrontier
Sun 1/186:00 amDEN - BOS
1 stop23h 52mFrontier
Deal found 12/14$290
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:45 pmBOS - DEN
Nonstop4h 52mJetBlue
Mon 1/510:40 pmDEN - BOS
Nonstop3h 47mJetBlue
Deal found 12/14$292
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:30 pmBOS - DEN
1 stop8h 29mAmerican Airlines
Sat 1/106:23 amDEN - BOS
1 stop7h 33mAmerican Airlines
Deal found 12/14$302
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.
Mon 12/228:08 amBOS - DEN
1 stop7h 33mFrontier
Sun 12/2812:16 amDEN - BOS
1 stop7h 26mFrontier
Deal found 12/14$304

Find flight deals from Boston to Fort Collins

Keep the following information in mind while searching for Boston to Fort Collins flight deals. Data was last updated December 15, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$177
(Delta)

One-way from

$94
(Kiwi.com)

Popular in

February

Cheapest in

January

Average price

$357
Provider with most accurate pricing for Boston Logan Intl-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Denver Intl flights.
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From Boston Logan Intl to Fort Collins
Search Deals
One-way flight from Boston Logan Intl to Fort Collins
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High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Fort Collins 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 December 15, 2025.
Use the filters below to find and compare flights from Boston to Fort Collins that are best for you.

Fly from

Boston

Fly to

Fort Collins

Route

Depart

Return

Price

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Sat 1/10

7:20 am-10:24 am

Nonstop5h 04m

Denver Intl

Sat 1/17

11:38 am-5:35 pm

Nonstop3h 57m

$192

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Tue 1/13

7:20 am-10:24 am

Nonstop5h 04m

Denver Intl

Sat 1/17

11:38 am-5:35 pm

Nonstop3h 57m

$192

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Thu 1/8

7:20 am-10:24 am

Nonstop5h 04m

Denver Intl

Thu 1/15

11:38 am-5:35 pm

Nonstop3h 57m

$192

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Fri 1/23

11:17 am-2:12 pm

Nonstop4h 55m

Denver Intl

Sun 1/25

8:01 am-2:02 pm

Nonstop4h 01m

$207

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Fri 1/9

9:59 am-12:45 pm

Nonstop4h 46m

Denver Intl

Mon 1/12

1:40 pm-7:33 pm

Nonstop3h 53m

$207

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Fri 1/2

4:47 pm-7:40 pm

Nonstop4h 53m

Denver Intl

Wed 1/7

8:01 am-2:02 pm

Nonstop4h 01m

$222

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Tue 1/13

6:50 am-9:40 am

Nonstop4h 50m

Denver Intl

Tue 1/20

11:05 am-4:50 pm

Nonstop3h 45m

$232

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Thu 3/12

5:00 am-7:45 am

Nonstop4h 45m

Denver Intl

Mon 3/16

7:05 pm-12:50 am

Nonstop3h 45m

$237

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Sun 4/19

8:24 pm-11:04 pm

Nonstop4h 40m

Denver Intl

Fri 4/24

11:59 pm-5:52 am

Nonstop3h 53m

$237

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Sun 3/15

7:00 am-10:00 am

Nonstop5h 00m

Denver Intl

Fri 3/20

11:59 pm-5:51 am

Nonstop3h 52m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 24 results
1
2
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Best time to book a flight from Boston to Fort Collins

Have a flexible travel schedule? Discover the best time to fly to Fort Collins from Boston 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 Boston to Fort Collins

How far ahead should I book a flight from Boston to Fort Collins?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Fort Collins. Price data was last updated on December 12, 2025.

The best time to book flights from Boston to Fort Collins is 87 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Boston to Fort Collins?

Currently, November is the cheapest month in which you can book a flight from Boston to Fort Collins (average of $87). Flying from Boston to Fort Collins in September is currently the most expensive (average of $153). 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 BOS to FC9?

Find hourly flight availability from Boston 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 December 15, 2025.

One of the essential ways to save on airfare from Boston to Fort Collins is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 24% on airfare.

What is the cheapest day to fly from Boston to Fort Collins?

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

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

Weekly flight availability from Boston to Fort Collins

Explore weekly flight availability from Boston to Fort Collins. 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 December 15, 2025.

The most flights from BOS to FC9 are scheduled on a Sunday (17 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost to fly round-trip from Boston to Fort Collins?

Reviews of airlines servicing Fort Collins

Get insights into the airlines that provide service to Fort Collins. 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 Fort Collins. Reviews last updated December 15, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Boston to Fort Collins. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,008 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,092 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
JetBlue
7.2
Good
2,895 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.8
Fair
3,080 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Food

7.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Boston 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 airport do you fly from for flights from Boston to Fort Collins?

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Boston to Fort Collins. 7 airlines have flights from Logan Intl to Fort Collins on a regular basis. Booking flights from Boston Logan Intl to Fort Collins should not be difficult; the airport handles an average of 13 outbound flights to Fort Collins per day.

  • How popular is this Boston to Fort Collins flight route?

    This flight path from Boston Logan Intl to Fort Collins was viewed by 86 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Boston to Fort Collins?

    There are many flights that can get you from Boston to Fort Collins in 4h 46m. Fly via Delta, United Airlines, or JetBlue to get the fastest option. Boston and Fort Collins are separated by a distance of 1748 mi. All flights are typically nonstop.

  • What are the cheapest airlines to fly from Boston to Fort Collins one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $53. Users have also found prices from $92 and $93 on JetBlue and American Airlines, respectively.

  • What are the most reliable airlines from Boston to Fort Collins?

    Before booking your flight to Fort Collins from Boston, check out the most reliable airlines to get you to your destination on time: Delta (89%), ITA Airways (80%), Icelandair( 78%).

  • What are the cheapest flights from Boston to Fort Collins?

    Looking for the cheapest flight from Boston to Fort Collins? While on average our users pay $922, our data indicates the cheapest price to be $85. The most popular route (Boston Logan Intl - Denver Intl), is priced around $145.

  • Can I find deals for flights from Boston to Fort Collins that include hotel bookings?

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

  • How can I find direct flights from Boston to Fort Collins?

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

  • Can I find deals for business class flights from Boston to Fort Collins?

    Yes. Cheapflights offers flight deals from Boston 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 Boston to Fort Collins?

    Currently, November is the cheapest month in which you can book a flight from Boston to Fort Collins (average of $87). Flying from Boston to Fort Collins in September is currently the most expensive (average of $153). 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.

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Top 7 airlines flying from Boston to Fort Collins

Discover the top 7 airlines that operate flights from Boston to Fort Collins. 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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$206FlexibilityNo cancel feeOn-time62%
DeltaCheapest$118Average$299FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$144Average$314FlexibilityNo cancel feeOn-time83%
JetBlueCheapest$147Average$301FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$180Average$320FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$196Average$422FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$196Average$312FlexibilityNo cancel feeOn-time71%

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