$125 Find Cheap Flights from Boston to Fort Collins - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Fort Collins departing on 9/1. 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
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$222
Typical prices: $231-$452
Frontier
Fri 10/30Wed 11/4
BOS - DEN • 1 stop
Cheapest non-stop
$223
Typical prices: $273-$466
JetBlue
Fri 8/28Mon 8/31
BOS - DEN • Non-stop
Arrival airport
You can't fly directly to Fort Collins. It is served by Denver (DEN), located 54.6 miles from Fort Collins.
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Flight Deals
Useful Info
Flight Deals

Cheap Flights from Boston to Fort Collins (BOS-DEN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boston to Fort Collins that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Fort Collins

Fri, Oct 30 - Wed, Nov 4
Frontier Logo
10:11 am - 11:04 pmBOS  Boston Logan Intl-DEN Denver Intl
14h 53m1 stop Orlando
Frontier Logo
10:25 am - 9:16 amDEN  Denver Intl-BOS Boston Logan Intl
20h 51m1 stop Orlando
$222Frontier
Fri, Aug 21 - Thu, Aug 27
Frontier Logo
12:45 pm - 10:10 pmBOS  Boston Logan Intl-DEN Denver Intl
11h 25m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
11:59 pm - 11:47 amDEN  Denver Intl-BOS Boston Logan Intl
9h 48m1 stop Atlanta Hartsfield-Jackson
$222Frontier
Sat, Sep 26 - Mon, Oct 5
Southwest Logo
5:00 am - 10:50 amBOS  Boston Logan Intl-DEN Denver Intl
7h 50m2 stops Nashville Intl Memphis
Southwest Logo
7:20 pm - 1:10 amDEN  Denver Intl-BOS Boston Logan Intl
3h 50mnonstop
$222Southwest
Tue, Sep 29 - Tue, Oct 6
Southwest Logo
5:35 am - 9:50 amBOS  Boston Logan Intl-DEN Denver Intl
6h 15m1 stop Lambert-St Louis
Southwest Logo
11:05 am - 9:15 pmDEN  Denver Intl-BOS Boston Logan Intl
8h 10m2 stops Birmingham Baltimore/Washington
$222Southwest
Thu, Aug 20 - Fri, Aug 21
Multiple Airlines Logo
12:45 pm - 10:05 pmBOS  Boston Logan Intl-DEN Denver Intl
11h 20m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
11:37 pm - 5:30 amDEN  Denver Intl-BOS Boston Logan Intl
3h 53mnonstop
$222Multiple Airlines
Fri, Aug 28 - Mon, Aug 31
JetBlue Logo
8:03 pm - 10:42 pmBOS  Boston Logan Intl-DEN Denver Intl
4h 39mnonstop
JetBlue Logo
11:37 pm - 5:30 amDEN  Denver Intl-BOS Boston Logan Intl
3h 53mnonstop
$223JetBlue
Tue, Aug 25 - Sun, Aug 30
Multiple Airlines Logo
6:30 am - 9:03 amBOS  Boston Logan Intl-DEN Denver Intl
4h 33mnonstop
Multiple Airlines Logo
11:59 pm - 11:47 amDEN  Denver Intl-BOS Boston Logan Intl
9h 48m1 stop Atlanta Hartsfield-Jackson
$223Multiple Airlines
Fri, Aug 28 - Sat, Aug 29
JetBlue Logo
10:30 am - 1:05 pmBOS  Boston Logan Intl-DEN Denver Intl
4h 35mnonstop
JetBlue Logo
11:37 pm - 5:30 amDEN  Denver Intl-BOS Boston Logan Intl
3h 53mnonstop
$224JetBlue
Thu, Jan 21 - Mon, Feb 1
Delta Logo
7:55 am - 10:48 amBOS  Boston Logan Intl-DEN Denver Intl
4h 53mnonstop
Delta Logo
11:40 am - 5:42 pmDEN  Denver Intl-BOS Boston Logan Intl
4h 02mnonstop
$226Delta
Thu, Dec 10 - Fri, Dec 11
Delta Logo
7:35 am - 10:28 amBOS  Boston Logan Intl-DEN Denver Intl
4h 53mnonstop
Delta Logo
11:38 am - 5:31 pmDEN  Denver Intl-BOS Boston Logan Intl
3h 53mnonstop
$226Delta
Useful Info

Good to know

Low season

November

Cheapest flight

$125
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 11% increase in price.
Flight from Boston to Denver

When to book flights from Boston to Fort Collins

Are your dates flexible? Find out the best times to travel from Boston to Fort Collins based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

FAQs for booking flights from Boston to Fort Collins

  • Which airports will I be using when flying from Boston to Fort Collins?

    When flying out of Boston you’ll be using Boston Logan Intl. Fort Collins does not have its own airport so you’ll be flying into nearby Denver Intl airport, which is 54.6 mi away.

  • How long does a flight from Boston to Fort Collins take?

    Direct flights cover the 1,748 miles separating Boston and Fort Collins in about 4h 20m.

  • How many flights are there between Boston and Fort Collins?

    20 direct flights run between Boston and Fort Collins on a daily basis. On average, there are about 142 departures each week.

  • What’s the cheapest day of the week to fly between Boston and Fort Collins?

    Consider leaving on a Tuesday and avoid Sundays if you are looking for the best rates. For your return to Boston, you’ll find the best rates on Tuesdays and the most expensive ones on Sundays.

  • How does KAYAK find such low prices on flights from Boston to Fort Collins?

    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 Boston to Fort Collins.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boston to Fort Collins?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Fort Collins from Boston 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 Boston to Fort Collins?

    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 Fort Collins with an airline and back to Boston with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston to Fort Collins?

    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 Fort Collins from Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which airlines provide the cheapest flights from Boston to Fort Collins?

    In the last 5 days, the cheapest one-way ticket between Boston and Fort Collins found on KAYAK was with Frontier for $73. Delta offered a round-trip connection from $104 and Frontier from $117.

Top tips for finding cheap flights from Boston to Fort Collins

  • There is no airport in Fort Collins. Instead, you’ll be flying into Denver Airport when flying between Boston and Fort Collins.
  • The cheapest flight from Boston to Fort Collins was found 23 days before departure, on average.
  • Book at least 2 weeks before departure in order to get a below-average price.
  • High season is considered to be May, June and July. The cheapest month to fly is November.

Reviews of the top 5 airlines serving Boston to Fort Collins

 
Need help choosing which airline to fly with from Boston to Fort Collins? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4216 reviews
7.0Food
8.0Comfort
7.5Entertainment
8.6Crew
8.1Boarding
Airline reviews

Flight time kept changing and so did the gate. It was very frustrating

2.0 MediocreAnonymous, Aug 2026
Read more Southwest reviews

Flight time kept changing and so did the gate. It was very frustrating

Friendly crew kept coming by to make sure all was ok, provide additional refreshments, etc.

Flight was delayed by 2 hours, meaning that a flight to Dwnver which should have arrived at 11pm came into the airport at 1 am. Made for a very long day.

Crew was rude, flight was late, wifi didn't work, no food, basically nothing about this flight was good.

Flight was constantly delayed with significant changes in time, it was supposed to get to Colorado Springs at 8:30 PM but it got there after midnight.

Airline is not very senior friendly. Flights are late, forcing us to run to the connecting flight. Food is awful. Wish they would go back to pretzels and peanuts. During flight, pressurization isn’t quite right and all of our ears get plugged. Everything is nickel and dime, charging for boarding, seat selection and legroom. While a screen at the desk in the gate area says check your roll on bag now for free due to space limitation, the employee at the desk will not check the bag without a $100 fee. Insane.

We waited in the airplane for over 45 min for a southwest employee to make the flight. This cause over half the plane to miss their connecting flight in Denver. When we confronted the desk upon arrival, they told us the only flight they had was the next day leaving at 8:50 pm!!! Or they offered to get us to Burbank or LA, but after that we were on our own to get back to Santa Barbara. I paid for a flight from sba to bna bna to sba. My re entry into mom mode has been 💯 rough because of southwest mistake with my flight. And now I’m leaving to Reno tomorrow for a vballl tournament and just discovered that my leg in Vegas has me and my 3 kids on a stand by flight even though I had booked these ticket last year November!! Do better southwest!

WiFi was not working and didn’t have a beverage service

Great flight. Outstanding Service. Southwest was able to put us on a direct flight to Denver when the connection could have been affected by a later arrival to Baltimore. The direct flight was less expensive that the flight with the connection in Baltimore.

Flights delayed by 4-6 hours. Boarding was a mess and unclear. Bags were not at arrival airport and had never even been put on the plane. No idea when I’ll get them. Don’t fly into Denver!

Although I know the Airlines cannot control the situation when there’s a ground stoppage, it would’ve been nicer if we would have had more up-to-date information clarity around the delays. Additionally, I think the delays also took a toll on the Cabin crew, particularly the lead flight attendant in first class. She was not very friendly when we boarded the plane for many of the passengers. Number one she refused to hang a garment bag in the front closet for a first class passenger, she was unwilling to dispose of an empty bottle in the trash as I was boarding (despite drinking a bottle of water herself and needing to disregard), and she was very combative with a passenger, who needed to access something from his bag that was Gate checked. Frankly, it was really unfortunate as I’ve never seen a flight attendant behave that way directly to the passengers, particularly when none of us had done anything wrong.

Flight from Savannah arrived very late and we did not take off till 2 hours after scheduled departure!

It is usually very pleasant. Good service for the price, international flights are even better

Flight attendant was very poor in taking care or showing attention. I slept up front for a few and missed the snacks. She saw me many times, went by me many times and never once asked if I needed anything. The whole 2 hours flight. And this is to a Diamond member in first.

I thought the service was very nice and pleasant. There were no hiccups and no issues so overall a good experience.

It was a pleasant surprise to have complimentary Wi-Fi on the flight

Flight was delayed, we could have been notified earlier and in a consistent manner. App was not refreshing for another passenger to get the latest flight status. We could have stayed and waited at the hotel instead of waiting at the airport had we known the flight was going to delayed for more than 5 hours. The toilet is too tight, and needs to be cleaned more frequently (every hour). The entertainment screen froze, the touch screen not responding to touch. We were upgraded to comfort, it is more comfortable than regular economy seats.

The baggage belt was not updated on the Delta App and was displayed on the wrong belt board. Was not expecting this to happen.

The plan was delayed and left DC 90 minutes late. However, it showed a 20 minute delay on the delta app, then a 12 min delay. It turned out to be an hour delay. I found out where the plane was with flightaware. Stop keeping customers in the dark about what is going on.

Pilots lied about waiting on “paperwork”. Sat in the plane for over an hour, waiting on some papers to be printed according to the pilot and then all of a sudden he says good news maintenance is finally on their way. Maybe they can fix it before we get our paperwork. Ended up missing my connection in LaGuardia and as a result, had a fly home to Lexington instead of the Louisville airport. Then paid $100 to uber to Louisville since it was midnight by the time I got in. I wish they would just be transparent with passengers sometimes and not try to beat around the bush on why things are delayed.

Flight was 2.5 late. Maybe not United’s fault but late none the less. We were late as well on the first leg. WiFi quit working with an hour left.

I would have preferred a flight voucher and to hop on a different flight. Delayed over 6 hours.

Boarding was great, and the crew were very friendly. The seats must have been a bit on the older side and you could feel some of the seat components through the padding. Also, the plugs did not work on the row's entertainment screen or charging ports. Checked bag was transferred for connecting flight, and we appreciated how early we had the connecting gate information.

Food was great. Staff was phenomenal. Seats were a bit hard and could use a lot more entertainment options as far as movies to choose from. WiFi was good. Overall great trip.

The flight was delayed, they didn’t even have water for the toilets or for drinks

It’s always a great time flying with united airlines.

Very old flight - time to retire it for newer airplanes

Excellent service despite turbulence during the flight. Flight attendants were remarkable!

Pleasant service from the crew. Arrived early. Efficient boarding and deplaning. Great job!

There was no in seat entertainment, you had to spend $10 on their wifi which worked poorly at best. You were allowed ONE one oz snack for a 3.5 hour flight. Seats were made for midgets. I am a regular size adult male and I had to wedge myself in. Not a fan.

The flight was delayed in 30 minute increments for a total of 4 hours and 30 minute delay. All other flights to Chicago left on time except for this one flight. If there is an issue with the inbound flight, just let customers know so they can find another flight right away, Once we got on the plane there was another 30 minute delay taking off at 10:30 at night which is very unusual that a flight wouldn't be ready to take off

They have overselled the ticket and kicked me out from boarding, All my Plans were collapsed and important network meeting missed.also I booked direct flight i have to go through an 1 stop and it was frustrated.

Horrific. We were delayed due a flight attendant stuck in traffic en route to the airport. Over 100 people were then stuck in Charolette. Then I ran to make my layover only to find that my connection didn’t have a plane anymore. Waited 2.5 hours without any updates. On the flight we had to beg for even a pretzel option.

Terrible boarding and first class experience. Nice staff but overall disorganized, dirty plane.

The flight was delayed significantly and we sat on runway after landing for awhile. Best thing was the flight attendant, Jenny, in first class, who was very professional and attentive. She was excellent - the rest of the flight was not.

Early departure meant on time arrival. Only real problem was free internet had issues, although chatting with the internet help desk (you can do this via aainflight.com) got the issue resolved.

The staff and service on American Airlines were truly outstanding. I had requested wheelchair assistance for my mother due to her knee issues, and the team went above and beyond every step of the way—from boarding in Boston to our arrival in Chicago. Their care, professionalism, and attentiveness made the entire experience smooth and stress-free. I’m very grateful for the support they provided.

Found that the plane used for this short flight is smaller and therefore the seats are really squeezed tight.

Great experience. Good dinner and service. FA's were very nice and attentive.

Jill was the flight attendant in first class she was fabulous!! Best flight attendant I have had in years.!! And I fly every other week. Other can learn from her!!

Jet Blue cancelled my flight after I had boarded. They attempted to rebook me for a new flight two days later. I was able to rebook with a different airline, but not until the next morning. As such, I was forced to get an expensive hotel and missed important work meetings Monday morning. I am very disappointed with the customer service and will be pursuing full reimbursement for my hotel cost.

Flight delayed 4 times on a non-stop from BOS to SFO. Then when landed in SFO had to wait for 30 mins for a gate AT 3:30AM.

Horrible - for the first time in my life i was denied boarding an international flight because the name used on my ticket - Josh - was not exactly the same as my passport - Joshua. At no time during ticketing, online check-in, or at the airport flying from Boston to NY was i notified of a problem. It was only at boarding from NY to Costa Rica I was informed of the problem and by then it was too late. After missing the flight I was told by airport Jet Blue staff, including a supervisor, that it was my problem and they could not assist because i bought "the cheapest fare". i was hung up on twice by JetBlue customer service, including once by a supervisor. I blame Kayak and your awful partner ChatDeal for even allowing me to purchase an international ticket without verifying this - you effectively sold me a ticket i could not use. Shame on you and shame on ChatDeal for doing nothing to help me resolve the situation. What a scam.

The flight kept getting delayed, but the ground crew did not communicate well to the passengers in the terminal. First, we were told that it was an engine issue. That was understandable. We asked, after the third delay, if it would be canceled; they reassured us that that would not happen because a new plane was on its way from Washington DC. Four hours later, that is exactly what happened. No announcement was made only people who had the JetBlue app learned of the cancellation. They rebooked us on a flight that would get into our destination 36 hours after our original time I had to spend an exorbitant amount of money to book an additional flight with a different airline, the following morning in order to make it to my conference in time. Not to mention the fact that by the time I discovered the cancellation on the departures board, it was too late for me to receive a refund on my lodging in the destination city for that night. Because I had booked with KAYAK, I did not receive any JetBlue email with rebooking information. This is what the information information desk kept telling everyone who inquired about a rebooking. This was my first time flying with JetBlue. Needless to say, after extremely poor communication andover $1000 of additional expense later, I will not be flying with them again.

We were several hours delayed due to confusion during boarding. Evidently the crew could not match the manifest with the boarded customers. After significant time trying to find individuals on board, a crew member walked through the entire plane re-scanning each of our boarding passes. Then we had to wait for a new slot to depart, and when we landed, our gate was not ready. It was a complete goat rodeo from start to finish.

Horrible. Flight was cancelled, jet blue app not working to rebook, no phone number available to call Jet Blue, 400 ish people in line for the help desk, stuck in Boston for 2 more days had to book new flight with a different airline and still not sure if I will be able to get any refund.

Flight left 2 hours late with no explanation as to the delay

Whole experience was poor. Delayed 2 hours. Lied about the delays. Was all jet blues fault and tried to blame on air traffic control. Sent out other let trips and wouldn't allow people to switch aircraft.

My bag was not loaded on my flight. it was not communicated to me until i was waiting for my bag at my destination. there was no confirmation of when my bag was arriving and no way to track it.

The gate attendant in Boston had a high raspy voice and spoke much too fast to be understood. Not pleasant.

Everything you need to know for your flight from Boston to Fort Collins

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