$104 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 5/11. 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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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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Cheap Flights from Boston to Colorado

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Denver
Denvernonstop$207
Aspen
Aspen1 stop$360
Grand Junction
Grand Junction1 stop$320
Durango
Durango1 stop$338
Montrose
Montrose1 stop$309
Hayden
Hayden1 stop$349
Gunnison
Gunnison1 stop$369
Vail
Vail2 stops$334
Denver
Denvernonstop$207
Aspen
Aspen1 stop$360
Grand Junction
Grand Junction1 stop$320
Durango
Durango1 stop$338
Montrose
Montrose1 stop$309
Hayden
Hayden1 stop$349
Gunnison
Gunnison1 stop$369
Vail
Vail2 stops$334

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

Sat, Apr 4 - Sat, Apr 11
Southwest Logo
5:00 am - 7:45 am
BOS
-
DEN
4h 45mnonstop
Southwest Logo
5:45 pm - 11:50 pm
DEN
-
BOS
4h 05mnonstop
$207Southwest
Sat, Apr 11 - Sat, Apr 18
Frontier Logo
5:30 am - 4:58 pm
BOS
-
DEN
13h 28m
1 stop
Frontier Logo
1:09 pm - 1:31 am
DEN
-
BOS
10h 22m
1 stop
$209Frontier
Sat, May 2 - Mon, May 11
Frontier Logo
11:16 am - 10:59 pm
BOS
-
DEN
13h 43m
1 stop
Frontier Logo
10:00 am - 1:24 am
DEN
-
BOS
13h 24m
1 stop
$210Frontier
Wed, Apr 15 - Mon, Apr 20
Multiple Airlines Logo
6:00 am - 12:09 pm
BOS
-
DEN
8h 09m
1 stop
Multiple Airlines Logo
11:59 pm - 5:47 am
DEN
-
BOS
3h 48mnonstop
$214Multiple Airlines
Fri, Apr 3 - Tue, Apr 14
JetBlue Logo
7:50 pm - 10:30 pm
BOS
-
DEN
4h 40mnonstop
JetBlue Logo
3:35 pm - 9:30 pm
DEN
-
BOS
3h 55mnonstop
$222JetBlue
Sat, May 9 - Tue, May 12
American Airlines Logo
4:21 pm - 11:32 pm
BOS
-
COS
9h 11m
1 stop
American Airlines Logo
5:40 am - 3:30 pm
COS
-
BOS
7h 50m
1 stop
$240American Airlines
Wed, Sep 9 - Sat, Sep 12
American Airlines Logo
7:58 am - 2:45 pm
BOS
-
COS
8h 47m
2 stops
American Airlines Logo
8:00 am - 7:42 pm
COS
-
BOS
9h 42m
1 stop
$245American Airlines
Wed, Apr 8 - Sat, Apr 18
United Airlines Logo
6:00 am - 10:57 am
BOS
-
COS
6h 57m
1 stop
United Airlines Logo
11:40 am - 9:59 pm
COS
-
BOS
8h 19m
2 stops
$250United Airlines
Thu, Apr 2 - Sun, Apr 5
United Airlines Logo
7:09 am - 12:36 pm
BOS
-
COS
7h 27m
1 stop
United Airlines Logo
6:00 am - 1:47 pm
COS
-
BOS
5h 47m
1 stop
$258United Airlines
Sat, Jun 6 - Wed, Jun 10
Delta Logo
5:35 am - 11:19 am
BOS
-
ASE
7h 44m
1 stop
Delta Logo
8:05 am - 10:27 pm
ASE
-
BOS
12h 22m
2 stops
$408Delta
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 April.

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 $206 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 $206.

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 $311 on average. Morning departures are around 3% cheaper than evening flights, on average. The most expensive time of day to fly to Colorado is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $406.

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 $385, 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 November, when tickets cost $306 (return) on average. On the other hand, the most expensive months are February and December, when the average cost of round-trip tickets is $362 and $352 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, Tuesday 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 30% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 22 weeks before departure.

Good to know

Low seasonNovember
Cheapest flight$104
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly with an average 12% increase in price.
Flight from Boston to Denver

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 $178 one-way - $305 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 4325 reviews
8.0Comfort
7.5Entertainment
7.0Food
8.1Boarding
8.6Crew
Airline reviews

I flew twice this week on Southwest, was delayed over 2 hours both ways. From Pittsburgh to Chicago it was due to weather but the gate agents, pilot etc were great at updating everyone. Today from Midway to Pittsburgh the plane had come from an international location, kept getting delayed, no information was given until we were delayed for the third time. It was ridiculous, whoever scheduled that plane to fly to Pittsburgh after didn’t consider a lot of things.

2.0 MediocreBeth, Mar 2026
MDW - PIT
Read more Southwest reviews

I flew twice this week on Southwest, was delayed over 2 hours both ways. From Pittsburgh to Chicago it was due to weather but the gate agents, pilot etc were great at updating everyone. Today from Midway to Pittsburgh the plane had come from an international location, kept getting delayed, no information was given until we were delayed for the third time. It was ridiculous, whoever scheduled that plane to fly to Pittsburgh after didn’t consider a lot of things.

Boarding was easy. The seats are small and fairly uncomfortable

I was supposed to be on a later flight. When I showed up at the gate, the woman working there was extremely helpful getting moved up to this earlier flight.

We had a 5 hour delay on the tarmac in Baltimore

Long layover between flights to Long Island from BWI - need better coordination between flights

I elected to pay for the upgrades and found very little difference

The new seating arrangement is so over priced for what you get.

The problem with the seat assignments is that there were a lot of rows in the front that were empty but my row at the back was full. Just not so pleasant.

No food or entertainment, just a quick 40 minute flight. A little bumpy due to Santa Ana winds but pilot has no control over that. Good flight and landing!

Good but I prefer choose your own seat. With the new assigned seats they should board from the back I see no advantage to this new boarding. Just like every other airline

My recent experience was excellent on Delta! I flew with Delta Comfort and I was really comfortable in my seat. I enjoyed the in-flight service. The flight attendants were so friendly and hospitable. I love the snack on the flight as well. This was my first time flying on Delta and I will definitely consider flying with them again.

My flight was cencaled due with the bad weather on Sunday the crew was poorly mistaken my luggage supposed depart with my flight instead I didn’t have my luggage for almost 3 days the website is poorly respond to my complain until I have someone to do it my connection smooth their not even respon or email me even the have my luggage

Delta needs to step its game up get a more reliable internet service. Internet service was non-existent for this flight.

Mechanical Delay of over an hour with multiple gate changes. Entertainment system down for rejuvenation.

I had a flight cancel and had it rerouted. When the rerouted they put me at a window seat instead of an isle. It was hard sitting by the window because the couple with masks on were making out. I get motion sickness which is why I need to have the isle seat.

NEVER MADE THE FLIGHT BECAUSE DELTA SAID THEY CAN NOT

THEY FAILED ME AND I NEVER GOT ON THE FLIGHT BECAUSE IT WAS SO DELAYED! I ENDED UP HAVING TO PAY OUT OF POCKET FOR A HOTEL AND STAY IN NASHVILLE TO CATCH A FLIGHT FOR THE FOLLOWING DAY. DELTA IS POOR CUSTOMER SERVICE>

8 hours late and the plane smelled like urine, that smell in the morning when your child wet the bed in the night.

My flight was canceled on Sunday. Rebooking took three hours. Had to pay for accommodations another night. New flight was delayed for 5 hours, all that was sent was a 12 dollar food voucher, which doesn’t tell you how to use it. Then when we landed we had to sit on the plane for an hour before we could get off.

Miserable. This entire round trip was miserable. I booked evening flights to and from Detroit on consecutive days that should have had me at my destination by 10:30. Instead I arrived after 3am on my flight to Detroit and after midnight on my return. Multiple unforced errors like awaiting bags to get put on the plane for almost an hour in Detroit and a 20 minute delay to pull up to the gate in Atlanta has me rethinking my assumption that delta is the best and most reliable airline

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.

We got delayed three hours and nobody thought to have the bathroom fixed while we were sitting waiting to board? took a full hour to have maintenance come and check it off. Had to shut the bathroom down twice so that the pilots could go to the bathroom. Everyone missed their connections.

Women boarding passengers at the gate was absolutely rude and disrespectful of passengers. The flight attendant was absolutely delightful! Smiling and connected with the passengers. So happy. The seats are cramped and uncomfortable but I guess that’s just the way it is Communication regarding flight was excellent

As great a red-eye flight as red-eye flights can be.

Very old flight - time to retire it for newer airplanes

2+ hours delayed Outlet in row 12 did not work Tv monitors did not work Lights kept off the entire flight for at 5pm-7pm flight

Both of my flights arrived early and check in process was smooth

Everything was on time Will use united again for sure

Seated dude next to me even though lots of empty rows. But main thing was we sat on the tarmac after landing for 30 minutes because of, in the words of the dude who sat next to me, “operational incompetence”. We got changing directions about where to pick up gate checked bags. Pilot and flight attendant were awesome though.

Flight cancelled 2 hours prior to boarding. No explanation. No refunds.

Delayed by 1.5 hours. Terrible apologies, half hearted at best. It will be a LONG time until i book w Jet Blue again. Very disappointed.

My check in was stressful. I somehow lost my seat from my original booking, the plane showed no availability/no seat when it was time to check-in. I called and was instructed to try to get a seat at the airport. I asked if it was a full flight and the travel agent said the site showed some seating but was not able to secure one for me. Why not? On my way to the airport the app finally revealed one available seat towards the back of the aircraft that I was able to book. It ended up being an overbooked flight, so glad I wasn't stuck.

Flights with JetBlue from San Diego to Boston are a miserable experience. The flight was delayed about 1.5 hours due to “weather” supposedly but the flights for other airlines left on time so it just have been some kind of weather that only affects JetBlue. I had a small carry on - purse. The crew stored it in a bin 2 rows down from me because they were using the bin next to my seat for other people’s stuff. The TV screen in the emergency row seats does not work. It just was awful from start to finish. When we landed, we had to sit inside the plane for a very long time because the plane had to be moved to a different gate.

They made me check my bag and I didn't need to as there was overhead space available. I paid for a seat towards the front of the plane and it didn't recline. I requested a refund and they declined to give me one.

I have to congratulate Kayak (and Dylan the Chatdeal agent) because because when we decided extended our trip in Florida by two days, there were many direct flights oprions back to Boston available on the Friday we wanted to fly on the JetBlue website, but once I canceled the original JetBlue flight on their website, those direct return options disappeared immediatley! I think it's a game JetBlue plays. . Luckily, I checked Kayak and they had a direct flight that wasn't appearing on JetBlue's website and so I booked it, and we were able to fly home direct through the Kayak booking when JetBlue was offering nothing (even though I have been a True Blue member for 20 years, and also am a Mosaic member). So much for loyalty- their algorithm for booking is like a shell game. JetBlue used to be a good company but now they're worse than anyone. Also I was originally booked this trip to Florida, two months before the departure date, I booked the trip on JetBlue's website and then after the payment part, they said there was a problem and that I needed to do the booking again, so when I immediately went to rebook , the price had gone up 30%! I called them and it sounded like they had heard this so many times before and the guy told me to check back in 10 minutes and the price would be back to where it was when I was booking- it but it never was. How could the price go up 30% in one minute two months before the flight???? They're playing a game with their customers. Anyways, I booked a cheaper flight then at a less convenient time. So fast forward two months the night before the 7 AM flight, they sent me an email at midnight when I was sleeping to let me know that my flight at 7 AM had been canceled. The only thing they offered was a flight that night from from a different airport (Providence) to a different airport in Florida (West Palm Beach) or a flight two days later. No compensation, nothing. They couldn't of tried to get another plane to the Boston airport? They had all night to do it. I passed on their ridiculous options and flew with Delta and it was a great experience. Of course, I had to pay a lot more booking on the same day, but JetBlue doesn't care. I put in a lengthy complaint with the agent who assured me someone would get back to me by email within three days and I haven't heard a thing. JetBlue used to be a good company but now they're among the worst. The only thing they still have is decent legroom, but the corporate bean counters will probably start taking that away too.

We were made to wait in the airport for six hours for a flight that was ultimately canceled.

Both flights were significantly delayed. The flight experience itself was great.

My flight got delayed and eventually canceled, then rescheduled. I and several others had a connection from Boston to Paris and asked several times if we would make it. They assured us we would and then rebooked us mid flight without our consent and closed doors early even though they said they communicated we were a bit delayed. We got stranded in Boston and I opted with being rebooked for a different connection to France since they refused to pay for a Hotel. I've now been in Europe for 5 days and still haven't recieved my bags. There was absolutely no urgency for the fact that I'm in a foreign country with absolutely no change of clothes or any of my medication. Such an overwhelming and frustrating experience.

Automated scanning was slow and somewhat haphazard. Too many people were unfamiliar with the tech and were forced to learn on the fly. The hands off approach of the gate staff made it more uncomfortable. This needs work. Overall the flight and cabin crew were excellent.

Rough flight No beverage service due to turbulence Bottom Seat cushion was non existent

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

It was great. Smooth flight, comfortable, left on time and landed on time.

We hoarded. Then we deplaned. Then we waited for 10 hours in the MSP airport due to a wheel misfunction. We understand safety but communication between crew and airport staff was horrible. When we did finally board, we were rushed on and because we were waiting for a “fresh” pilot and crew, we sat in a roasting plane with no A/C for an hour. My question is why was this flight not cancelled right away when they knew this would be a huge issue OR, why did AA not get a substitute plane, considering this was already a full flight? To me, this appears to be a complete breakdown in leadership and utter systems failure. The compensation for completely disrupting travel plans for hundreds, which we paid dearly for, was measly. While we appreciated the lodging for the night, $12 in meal vouchers isn’t going to sustain anyone for over 12 hours. “We apologize; our hands are tied” is no longer an acceptable explanation. We are so completely turned off by this experience and will definitely seek alternative avenues when we need to fly.

Mostly good. The WiFi wasn’t working so that was not great.

I rated the experience "mediocre" because of the 2 hour delay in take off. This is the 4th flight from DFW on AA where there was a delay and in one of the instances (after 13 delays), the flight was cancelled. I understand weather but for the March 18th flight, there was no weather issue in Dallas or Detroit. I called Concierge Key and they were wonderful, booking me on a later flight in case my flight was cancelled. I have flown with American for many years and never has there been this consistent pattern of delays. Very disappointing.

They put me on an earlier and I got home sooner

Not good. One of my luggage is missing. And until now they can’t find it

Horrible experience upon landing. Probably more due to DCA utter incompetence than AA.

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!!

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

Information on your arrival and departure airports