$96 Find Cheap Flights from Boston to Colorado

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 Colorado departing on 9/9. 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

KAYAK searches hundreds of travel sites at once for deals on flights to Colorado

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Colorado.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Colorado.
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Flight Deals

Cheap Flights from Boston to Colorado

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Denver
Denvernonstop$217
Aspen
Aspen1 stop$417
Vail
Vail1 stop$329
Grand Junction
Grand Junction1 stop$311
Durango
Durango1 stop$408
Montrose
Montrose1 stop$334
Hayden
Hayden1 stop$347
Gunnison
Gunnison1 stop$359
Denver
Denvernonstop$217
Aspen
Aspen1 stop$417
Vail
Vail1 stop$329
Grand Junction
Grand Junction1 stop$311
Durango
Durango1 stop$408
Montrose
Montrose1 stop$334
Hayden
Hayden1 stop$347
Gunnison
Gunnison1 stop$359

Book Cheap Boston to Colorado Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boston to Colorado 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 Colorado

Wed, Sep 9 - Sat, Sep 12
American Airlines Logo
6:45 am - 2:45 pm
BOS
-
COS
10h 00m
1 stop
American Airlines Logo
8:00 am - 7:42 pm
COS
-
BOS
9h 42m
1 stop
$209American Airlines
Wed, May 27 - Fri, May 29
JetBlue Logo
10:45 am - 1:25 pm
BOS
-
DEN
4h 40mnonstop
JetBlue Logo
10:34 pm - 4:29 am
DEN
-
BOS
3h 55mnonstop
$217JetBlue
Tue, Jun 9 - Mon, Jun 15
Southwest Logo
5:00 am - 7:25 am
BOS
-
DEN
4h 25mnonstop
Southwest Logo
7:05 pm - 1:00 am
DEN
-
BOS
3h 55mnonstop
$219Southwest
Tue, Jun 2 - Tue, Jun 9
Southwest Logo
5:35 am - 8:05 am
BOS
-
DEN
4h 30mnonstop
Southwest Logo
7:30 am - 5:05 pm
DEN
-
BOS
7h 35m
1 stop
$222Southwest
Wed, Jul 1 - Wed, Jul 15
United Airlines Logo
8:39 pm - 11:26 pm
BOS
-
DEN
4h 47mnonstop
United Airlines Logo
11:59 pm - 5:58 am
DEN
-
BOS
3h 59mnonstop
$226United Airlines
Wed, Jul 1 - Wed, Jul 8
United Airlines Logo
8:39 pm - 11:26 pm
BOS
-
DEN
4h 47mnonstop
United Airlines Logo
11:59 pm - 5:58 am
DEN
-
BOS
3h 59mnonstop
$231United Airlines
Wed, Jun 3 - Wed, Jun 10
Frontier Logo
8:44 am - 10:24 pm
BOS
-
DEN
15h 40m
2 stops
Frontier Logo
6:30 am - 1:27 am
DEN
-
BOS
16h 57m
1 stop
$233Frontier
Wed, Jun 3 - Wed, Jun 10
Frontier Logo
12:01 pm - 10:24 pm
BOS
-
DEN
12h 23m
1 stop
Frontier Logo
6:30 am - 1:27 am
DEN
-
BOS
16h 57m
1 stop
$234Frontier
Sat, Aug 15 - Tue, Aug 18
Delta Logo
1:20 pm - 10:56 pm
BOS
-
COS
11h 36m
2 stops
Delta Logo
1:21 pm - 11:41 pm
COS
-
BOS
8h 20m
1 stop
$282Delta
Sat, Aug 15 - Tue, Aug 18
Delta Logo
1:20 pm - 10:56 pm
BOS
-
COS
11h 36m
2 stops
Delta Logo
7:50 am - 10:01 pm
COS
-
BOS
12h 11m
2 stops
$288Delta
Booking Insights

KAYAK's insights & trends for Boston to Colorado flights

Get data-powered insights and trends into flights from Boston to Colorado to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Boston to Colorado?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Boston to Colorado departing in May.

What is the cheapest Boston to Colorado flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to Colorado from Boston found in the last 72 hours was to Denver, at $202 round-trip. The most popular route is from Boston (BOS) to Denver (DEN), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $202.

What is the cheapest time of day to fly to Colorado?

The average price for all round-trip flights from Boston to Colorado depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.

The cheapest time of day to fly to Colorado is generally at night, when round-trip flights cost $312 on average. Morning departures are around 2% cheaper than evening flights, on average. The most expensive time of day to fly to Colorado is generally in the evening, which is peak travel time and where the average cost of a ticket is $411.

Can I save money by flying with a layover from Boston to Colorado?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $373, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Boston to Colorado?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Boston to Colorado, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Boston to Colorado is January, when tickets cost $285 (return) on average. On the other hand, the most expensive months are February and December, when the average cost of round-trip tickets is $446 and $439 respectively.

What’s the cheapest day of the week to fly from Boston to Colorado?

The average price of all round-trip flights from Boston to Colorado clicked on KAYAK for each day over the last 12 months.

For Boston to Colorado, Wednesday is the cheapest day to fly on average and Sunday is the most expensive. Flying from Colorado back to Boston, the best deals are generally found on Wednesday, with Monday being the most expensive.

How far in advance should I book a flight from Boston to Colorado?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Boston to Colorado, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Boston to Colorado, you should book around 3 weeks before departure, which saves you about 31% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 11 weeks before departure.

Good to know

Low seasonNovember
Cheapest flight$96
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly with an average 16% increase in price.
Flight from Boston to Colorado Springs

FAQs - booking Colorado flights

  • Where are the most common layovers between Boston Logan International Airport and Colorado?

    If you’re able to secure a direct flight from Boston to Colorado, you won’t have to be concerned about making any layovers. But if you do have to make stops, you’ll usually find that they’ll take place at airports like Chicago O'Hare International Airport (ORD) and Detroit Metropolitan Wayne County Airport (DTW). While in Detroit, you’ll be able to stock up on University of Michigan gear at the many shops throughout the airport.

  • Which airlines that fly from Boston to Colorado are the most kid-friendly choices?

    American Airlines and Delta Air Lines are solid choices for parents bringing kids on flights from Boston to Colorado. American Airlines seats parents and their kids together, and allows them to board some flights early, while Delta keeps kids occupied by providing them with activity kits.

  • Can I bring ski equipment on a flight from Boston to Colorado?

    Those heading from Boston to Colorado to go skiing can bring ski equipment with them on most airlines, including American Airlines, Delta Air Lines, and United Airlines. You can check ski equipment just like you would check any other luggage.

  • Will I be able to get access to free Wi-Fi on airlines that fly from Boston to Colorado?

    Many airlines won't provide you with free Wi-Fi on flights unless you're sitting in first class. JetBlue is one of the few airlines that will extend free, high-speed Wi-Fi to all passengers. Delta Air Lines is also in the process of rolling out free Wi-Fi on all of their newer airplanes, which you can access if you are a member of the free Delta SkyMiles rewards program.

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

    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 Colorado.

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

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

    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 from Boston to Colorado with an airline and back with another airline.

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

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

Top tips for finding cheap flights to Colorado

  • Looking for a cheap flight? 25% of our users found tickets from Boston to the following destinations at these prices or less: Denver $197 one-way - $313 round-trip
  • When you think about flying from Boston Logan International Airport (BOS) to Colorado, you’ll usually associate it with flying to Denver International Airport (DEN). However, there are also other airports within Colorado you can travel to, including Colorado Springs Airport (COS) and smaller regional airports like Grand Junction Regional Airport (RJT) and Aspen/Pitkin County Airport (ASE).
  • Some airlines that fly from Boston Logan International Airport to Colorado will make stops between the two cities. There are others that will be able to provide you with direct flights, especially when you’re flying to Denver International Airport. Delta Air Lines and JetBlue are a couple of the airlines that have the most direct flights from Boston to Colorado.
  • You won’t be able to book first-class tickets through all the airlines that fly from Boston to Colorado. Spirit Airlines, for example, doesn’t provide a true first-class option for passengers. But others, like American Airlines, Delta, and JetBlue, will all be able to offer first-class tickets. It’ll give you access to more legroom on your flight to Colorado, and it’ll also earn you other amenities like increased dining options.
  • Those who fly first class from Boston to Colorado will be able to check bags without paying baggage fees in most cases. But if you’re flying in a lower cabin class, like economy class, you might be subjected to fees when you check even just a single bag on an airline like American Airlines or Delta. To get around them, try packing light and only bring a carry-on bag onto your flight.
  • In the event you find yourself with some free time while waiting for a flight to Colorado at Boston Logan International Airport, you’ll be happy to hear the airport has many lounges you can use. The Lounge is open to all passengers, while airline-specific lounges like American Airlines’ Admirals Club and Delta’s Sky Club will also be options.

Reviews of the top 5 airlines serving from Boston to Colorado

 
See real verified KAYAK customer reviews for airlines flying from Boston to Colorado. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Boston to Colorado? 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 4294 reviews
8.1Boarding
7.0Food
8.0Comfort
7.5Entertainment
8.6Crew
Airline reviews

The checking experience in Orlando was terrible, almost missed the flight. Too many travelers and Southwest completely understaffed.

2.0 MediocreAnonymous, May 2026
MCO - MDW
Read more Southwest reviews

The checking experience in Orlando was terrible, almost missed the flight. Too many travelers and Southwest completely understaffed.

I'm glad it wasn't only 75% full because I could get a good seat

if I was good. Not happy that I have to pay extra money to get the seat I need for lake room, but I guess that’s a sign of the times.

Seats were very comfortable. They tilted back. Drinks and snacks were free and served 3 times. Attendants were awesome.

Plane was clean and comfortable. Flight attendants and gate staff were professional, friendly and efficient. Boarding and deplaning were orderly and efficient. All in all, the typical excellent Southwest experience.

Truly terrible. Will never willingly fly southwest again. Seats are worse than before they switched to assigned seating. One flight attendant was the opposite of helpful (rude, unhelpful, dismissive, and as my stranger seatmate said unprompted: a total prick). This caused me, 15 minutes into the flight, to book an alternate return flight home on a competing airline (first class 1.2k purchase instead of my existing planned flight) just so I would not have to ever be on that aircraft, with that terrible service person, with those horrific seats ever again.

Not having a five hour delay with little notice! The crew was very kind, though, and just as tired as we passengers were. The flight didn't depart until nearly 1 am...and no reason was ever given.

The entire experience from boarding to landing was amazing! The crew were very friendly. Will definitely be back.

no service at all due to turbulence. they should've at least given us snacks, there were only 10 people on the entire flight.

First time I've had to use the disabled accommodations. And I could not have had a better experience with Southwest, i was having trouble getting from one terminal to another due to my heart failure. And the next thing I know a Southwest agent had made sure. I had a wheelchair at all my flights. Can't thank them enough.

Enjoyed it very much. Especially liked the free WiFi that Delta offers.

Smooth flight. Left on time, and got in 15 minutes early. Onboard video was great

For some reason, TSA Atlanta didn’t have my bag on the flight on time and they don’t have to provide Delta a reason for that.

WiFi didn’t work on two of four planes. Flight attendants were not overly friendly or welcoming. Planes were extremely slow to board and deplane.

Delta does a great job with entertainment and free wifi. I can still be in touch with my colleagues while in the air.

Aside from a completely packed plane, I really have no complaints.

Bus to plane was delayed for no apparent reason and our luggage was still on the belt when they shut it off. Took about 20 minutes to turn it back on to get our luggage.

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

Much better than Latam, the worse airline company ever. I hope I don't have the need to fly Latam ever in my life again.

Seats in Delta Main are unbelievably close to the seat in front of. Hard to get a backpack under the seat.

It was good overall except from Omaha to Denver when flight a was a repeatedly delayed apparently due to some issue at Denver. Communications could have been handled better. I had to board then deboard with luggage and board again

Booked through Kayak Business, had a seat in middle and towards back due to booking rate, not comfortable.

They told us yesterday APR21st that they were cleaning the plane and we got delayed. After that they said they didn't had any crew for the flight so they cancelled the flight till next day.

The flight crew on this leg of my trip was very friendly and pleasant. Every one of them was humorous, as well as helpful and accommodating. This group was BY FAR the best crew I’ve flown with. They deserve kudos.

The entertainment options on the seat back video boards were nice.

The boarding process was straightforward. One pertinent observation regarding all boarding procedures is that if an individual requires assistance or possesses a special status and is part of preboarding, it is advisable to limit the number of passengers who can preboard with them, rather than the entire, sometimes large, companion groups. The seats are uncomfortable, and the entertainment options are significantly inferior compared to other airlines. During the snack service, I requested an additional bag of snacks, but my request was denied. Initially, the flight attendant agreed to my request.becoming a strange accurate moment. The flight duration was four hours.

I had a cancelled flight because of technical issues going to my destination, and a delayed flight coming home. All told it wasn’t a total bust.

During landing. 2 crew members passed 3 times by my lane and didn't notice that people in front of us had their site to the furthermore reclined... That was uncomfortable and could have been dangerous.

Seats are uncomfortable. This has been a trend in the industry for decades. Trying to fit more seats on each plane to increase profits at the expense of the passenger.

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

TV was broken and could not shut it off. The flicking was bother me and gave me a headache. The WiFi wouldn’t work correctly, I was able to text but not search the web or surf social media. The plane itself had a lot of wear and tear it is due for an update.

JetBlue not only has the most comfortable planes, but also used to have the best customer service. Lorie Wright, the lady at the gate was very rude not only to me, but to other passengers as well. Her colleague, the gentleman was also not very friendly. They both were acting like they were doing passengers a favor. The crew on board was very nice.

Flight was on time and smooth. Customer service was decent

The space between seat rows seemed to be larger than other airlines. I didn’t check their food or entertainment since I slept most of the way. They do seem to have a lot of options for purchase though.

Kayak sucked. You gave me a confirmation number that was not useable by the jet blue system. Nor did you send any check in emails. I’ll not be using your site again. Nice work.

Given us a free miles or free flight for waiting for 9 hours I didn’t get home till 5am in the morning and I was supposed to be home at 9:30 touch down.

Excellent price. Everything on time. two bad parts. Kayak said I couldn't sign in for the flight online, but I got an email at the same time from Jet Blue and they let me sign in online. Second bad part was that, although I had provided my known traveler number, neither of my boarding passes, for this flight and the previous one, had TSA pre-check showing.

Jet blue was great But the Jayak system Wasa pure nightmare and wasted so much of my time and energy by not giving me a way to access jet blue to check in the flight back I didn’t even get the number confirmation code 24 hours before. Because I didn’t receive the email with the confirmation code I could NoT CHECk IN. I spoke to a kayak third party and they informed me I could not carry a carry on, on the flight which caused me so much extra stress it was just too much. You can be sure I will not be using it recommending your site. Again.

There was a screen but no earphones that could use the older input so I could listen to anything.

My experience with JetBlue was fine BUT I am very upset with Kayak! JetBlue had delayed our scheduled departure by an hour and you NEVER notified me of the change. I did not hear directly from JetBlue because the trip was booked through Kayak, a mistake I will not repeat. Your reminder of the our trip last week still had the WRONG departure time. Our return trip has also changed, and again no notice from you.

Fine. Nothing to write home about. The plane left on time, and arrived on time.

I was downgraded from first class to coach due to an airplane change. They pulled me out of line and I was the very last person to board the plane stuck in the middle seat with no overhead place to put my carry-.on. Very poor customer service.

Seat comfort was poor (no lumbar or lower back support).

The airplane seats were spacious and comfortable, and the flight attendants were friendly and attentive. The food was delicious like never before. The blankets and toiletries were thoughtfully provided. The captain's navigation was steady and reliable. In short, having flown with Starlux, I won't consider any other airline next time.

STOP MAKING THE SEATING SO CRAMPED. WE NEED A PASSENGER BILL OF RIGHTS!

The passenger in front of of me reclined their seat back all the way the entire flight. Their headrest was in my face the entire flight! I barely had room for the little plastic cup of water to fit on my tray table; can you make the seats and space between the rows any smaller??? You can’t even get up to use the restroom! Worst flight I’ve had in a very long time!

We had several flights and they were all on-time and flawless

My Frequent Flyer nber wasn't put on as I was told it was..... This resulted in a last group boarding and no priority tags on My bags.

Terrible steward... Plane was quite empty... I asked to move "back" in the plane and the steward said no... Unnecessary power trip of mediocre people.

The small flights with Valet Luggage has a poor service

Everything you need to know for your flight from Boston to Colorado

Information on your arrival and departure airports