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Cheap flights from Colorado to Boston from $95

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Boston departing on 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:30 am - 1:03 am
DEN
-
BOS
15h 33m1 stop
Frontier Logo
6:00 am - 9:45 pm
BOS
-
DEN
17h 45m1 stop
$169Frontier
Wed, Jan 28 - Sun, Feb 1
Frontier Logo
12:59 am - 1:13 am
DEN
-
BOS
22h 14m1 stop
Frontier Logo
6:00 am - 9:35 pm
BOS
-
DEN
17h 35m1 stop
$171Frontier
Wed, Feb 11 - Wed, Feb 18
Multiple Airlines Logo
10:40 am - 2:38 pm
DEN
-
BOS
25h 58m1 stop
Multiple Airlines Logo
6:00 am - 12:19 pm
BOS
-
DEN
8h 19m1 stop
$173Multiple Airlines
Tue, Jan 20 - Tue, Jan 27
Multiple Airlines Logo
1:42 pm - 12:30 am
DEN
-
BOS
8h 48m1 stop
Multiple Airlines Logo
6:00 am - 11:14 am
BOS
-
DEN
31h 14m2 stops
$174Multiple Airlines
Sat, Feb 28 - Mon, Mar 2
American Airlines Logo
6:49 pm - 5:34 am
ASE
-
BOS
8h 45m1 stop
American Airlines Logo
8:26 am - 4:06 pm
BOS
-
ASE
9h 40m1 stop
$217American Airlines
Wed, Mar 25 - Tue, Mar 31
American Airlines Logo
10:41 am - 10:24 pm
ASE
-
BOS
9h 43m2 stops
American Airlines Logo
8:26 am - 4:06 pm
BOS
-
ASE
9h 40m1 stop
$222American Airlines
Wed, Mar 25 - Tue, Mar 31
United Airlines Logo
10:33 am - 8:05 pm
COS
-
BOS
7h 32m1 stop
United Airlines Logo
6:00 am - 11:02 am
BOS
-
COS
7h 02m1 stop
$257United Airlines
Tue, Jan 6 - Sat, Jan 10
United Airlines Logo
3:30 pm - 11:46 pm
COS
-
BOS
6h 16m1 stop
United Airlines Logo
2:27 pm - 10:06 pm
BOS
-
COS
9h 39m2 stops
$262United Airlines
Tue, Jan 6 - Sat, Jan 10
Southwest Logo
6:10 am - 2:05 pm
COS
-
BOS
5h 55m1 stop
Southwest Logo
4:50 pm - 9:35 pm
BOS
-
COS
6h 45m1 stop
$267Southwest
Mon, Feb 9 - Wed, Feb 18
Southwest Logo
6:10 am - 2:05 pm
COS
-
BOS
5h 55m1 stop
Southwest Logo
5:30 am - 1:05 pm
BOS
-
COS
9h 35m2 stops
$272Southwest
Mon, Feb 9 - Wed, Feb 18

JetBlue flights from Colorado to Boston

Our best JetBlue deals on Colorado to Boston flight tickets
JetBlue
Jan 31
DEN1:40 pmDenver Intl
3h 53m
BOS7:33 pmBoston Logan Intl
Feb 18
BOS7:31 pmBoston Logan Intl
4h 47m
DEN10:18 pmDenver Intl
$187
Find similar
JetBlue
Jan 8
DEN1:40 pmDenver Intl
3h 53m
BOS7:33 pmBoston Logan Intl
Jan 12
BOS9:59 amBoston Logan Intl
4h 46m
DEN12:45 pmDenver Intl
$194
Find similar
JetBlue
Jan 5
DEN10:40 pmDenver Intl
3h 47m
BOS4:27 amBoston Logan Intl
Jan 9
BOS9:59 amBoston Logan Intl
4h 46m
DEN12:45 pmDenver Intl
$213
Find similar

Delta flights from Colorado to Boston

Our best Delta deals on Colorado to Boston flight tickets
Delta
Jan 10
DEN11:38 amDenver Intl
3h 57m
BOS5:35 pmBoston Logan Intl
Jan 17
BOS7:20 amBoston Logan Intl
5h 04m
DEN10:24 amDenver Intl
$197
Find similar
Delta
Jan 5
COS12:00 pmColorado Springs
9h 56m
1 stop
BOS11:56 pmBoston Logan Intl
Jan 9
BOS6:55 amBoston Logan Intl
7h 27m
1 stop
COS12:22 pmColorado Springs
$327
Find similar
Delta
Dec 28
DEN5:30 amDenver Intl
9h 55m
1 stop
BOS5:25 pmBoston Logan Intl
Jan 3
BOS7:35 amBoston Logan Intl
4h 49m
DEN10:24 amDenver Intl
$337
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Colorado to Boston 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, momondo users made 832,500 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Colorado to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Wed 1/28

7:30 am-1:03 am

1 stop15h 33m

Boston Logan Intl

Sun 2/1

6:00 am-9:45 pm

1 stop17h 45m

$169

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Wed 2/11

12:59 am-1:13 am

1 stop22h 14m

Boston Logan Intl

Wed 2/18

6:00 am-9:35 pm

1 stop17h 35m

$171

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Tue 1/20

10:40 am-2:38 pm

1 stop25h 58m

Boston Logan Intl

Tue 1/27

6:00 am-12:19 pm

1 stop8h 19m

$173

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Sat 2/28

1:42 pm-12:30 am

1 stop8h 48m

Boston Logan Intl

Mon 3/2

6:00 am-11:14 am

2 stops31h 14m

$174

AspenBoston

ASE - BOS

ASEBOS

Aspen Pitkin County

Wed 3/25

6:49 pm-5:34 am

1 stop8h 45m

Boston Logan Intl

Tue 3/31

8:26 am-4:06 pm

1 stop9h 40m

$217

AspenBoston

ASE - BOS

ASEBOS

Aspen Pitkin County

Wed 3/25

10:41 am-10:24 pm

2 stops9h 43m

Boston Logan Intl

Tue 3/31

8:26 am-4:06 pm

1 stop9h 40m

$222

Colorado SpringsBoston

COS - BOS

COSBOS

Colorado Springs

Tue 1/6

10:33 am-8:05 pm

1 stop7h 32m

Boston Logan Intl

Sat 1/10

6:00 am-11:02 am

1 stop7h 02m

$257

Colorado SpringsBoston

COS - BOS

COSBOS

Colorado Springs

Tue 1/6

3:30 pm-11:46 pm

1 stop6h 16m

Boston Logan Intl

Sat 1/10

2:27 pm-10:06 pm

2 stops9h 39m

$262

Colorado SpringsBoston

COS - BOS

COSBOS

Colorado Springs

Mon 2/9

6:10 am-2:05 pm

1 stop5h 55m

Boston Logan Intl

Wed 2/18

4:50 pm-9:35 pm

1 stop6h 45m

$267

Colorado SpringsBoston

COS - BOS

COSBOS

Colorado Springs

Mon 2/9

6:10 am-2:05 pm

1 stop5h 55m

Boston Logan Intl

Wed 2/18

5:30 am-1:05 pm

2 stops9h 35m

$272

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Boston from

How to get the cheapest flight ticket from Colorado to Boston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Boston?

In general, January is the cheapest month to fly from Colorado to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $226. If you aren’t able to travel during the month of January, then book flights to Boston from Colorado during February instead. Flights to Boston in February, while not as cheap as those in January, still average around $287.

What is the cheapest day to depart on your flight to Boston?

The cheapest day to depart from Colorado to Boston is on a Wednesday when prices can be found for as low as $309. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Monday is $384.

What is the cheapest time of day to depart on your flight to Boston?

According to our data, the cheapest time of day to fly to Boston is in the evening. momondo users have found flights departing from Colorado to Boston in the evening for as low as $277. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Boston, so prices are often more expensive at around $376 per ticket.

What is the cheapest Colorado to Boston Logan Intl flight route?

Fly from Denver Intl to Boston Logan Intl for the best Colorado - Boston Logan Intl flight prices

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

You are more likely to see cheaper flights to Boston from Colorado when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $308 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Colorado for as low as $278 on momondo.

What cabin class options are available on Colorado to Boston Logan Intl flights?

There are 4 cabin classes available to choose from on Colorado to Boston Logan Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Colorado to Boston flights?

You could potentially save up to 11% on your flight if you consider stops on a Colorado to Boston flight.

Cheap Colorado to Boston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Boston

Best Price Found

$147

Fastest flight time

3h 45m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from Colorado in the past 72 hours is $147. The best round-trip flight deal from Colorado to Boston found on momondo in the last 72 hours is $237.
The fastest flight from Colorado to Boston takes 3h 45m
Direct flights go from Colorado to Boston every day.
There is 1 airport in Boston. From Colorado there are direct flights to Boston Logan Intl (BOS).
Search flight deals

  • When did momondo last update prices for flights from Colorado to Boston Logan Intl Airport?

    Prices for flights from Colorado to Boston Logan Intl Airport are updated daily.

  • How many operators does momondo search for flights from Colorado to Boston Logan Intl Airport?

  • How old do you have to be to fly from Colorado to Boston Logan Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Colorado to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The necessary travel and health documents for your Boston Logan Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Colorado to Boston?

Best airlines flying from Colorado to Boston

Compare and see reviews for airlines that fly from Colorado to Boston with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $108Free CancellationRating
5.8
3,076 reviews
Search Frontier flights
DeltaPriceFrom $130Free CancellationRating
7.9
8,014 reviews
Search Delta flights
JetBluePriceFrom $134Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights
American AirlinesPriceFrom $158Free CancellationRating
7.2
11,053 reviews
Search American Airlines flights
SouthwestPriceFrom $186Free CancellationRating
8.0
4,253 reviews
Search Southwest flights
United AirlinesPriceFrom $193Free CancellationRating
7.4
9,103 reviews
Search United Airlines flights

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Old Orchard Beach
Hampton
York Beach
Plymouth
Kennebunkport
South Yarmouth
Cambridge
Narragansett
Gloucester
Nashua
Falmouth
Laconia
Brockton
Concord
Sturbridge
Everett
Warwick

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Boston?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Boston from Colorado.

Can I find flights from Colorado to Boston with flexible booking policies on momondo?

momondo does allow users to show only those flights to Boston from Colorado which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Colorado to Boston?

Once you have performed a search for Colorado to Boston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Colorado to Boston right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Colorado to Boston flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Boston trip

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