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Cheap flights from Colorado to Boston from $96

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 8/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Colorado to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
5:10 am - 3:45 pm
DEN
-
BOS
8h 35m
1 stop
Southwest Logo
5:00 am - 7:25 am
BOS
-
DEN
4h 25mnonstop
$219Southwest
Sat, Jun 6 - Tue, Jun 9
Multiple Airlines Logo
10:00 am - 1:27 am
DEN
-
BOS
13h 27m
1 stop
Multiple Airlines Logo
8:03 pm - 10:42 pm
BOS
-
DEN
4h 39mnonstop
$220Multiple Airlines
Thu, Aug 27 - Wed, Sep 2
JetBlue Logo
11:37 pm - 5:32 am
DEN
-
BOS
3h 55mnonstop
JetBlue Logo
8:03 pm - 10:42 pm
BOS
-
DEN
4h 39mnonstop
$221JetBlue
Fri, Jul 3 - Tue, Jul 14
JetBlue Logo
10:34 pm - 4:29 am
DEN
-
BOS
3h 55mnonstop
JetBlue Logo
6:45 pm - 9:35 pm
BOS
-
DEN
4h 50mnonstop
$222JetBlue
Fri, May 29 - Wed, Jun 10
Frontier Logo
10:00 am - 1:27 am
DEN
-
BOS
13h 27m
1 stop
Frontier Logo
12:01 pm - 10:16 pm
BOS
-
DEN
12h 15m
1 stop
$223Frontier
Thu, Aug 27 - Wed, Sep 2
Delta Logo
11:40 am - 5:42 pm
DEN
-
BOS
4h 02mnonstop
Delta Logo
7:55 am - 10:48 am
BOS
-
DEN
4h 53mnonstop
$227Delta
Sat, Oct 17 - Thu, Oct 22
American Airlines Logo
2:11 pm - 11:48 pm
DEN
-
BOS
7h 37m
1 stop
American Airlines Logo
5:05 pm - 11:09 pm
BOS
-
DEN
8h 04m
1 stop
$229American Airlines
Tue, Jun 9 - Sat, Jun 13
Frontier Logo
10:00 am - 1:27 am
DEN
-
BOS
13h 27m
1 stop
Frontier Logo
6:00 am - 1:59 pm
BOS
-
DEN
9h 59m
1 stop
$230Frontier
Wed, Aug 26 - Sun, Aug 30
American Airlines Logo
8:01 am - 7:20 pm
COS
-
BOS
9h 19m
1 stop
American Airlines Logo
9:01 am - 4:45 pm
BOS
-
COS
9h 44m
1 stop
$272American Airlines
Tue, Jun 16 - Tue, Jun 30
Delta Logo
5:55 pm - 6:11 am
COS
-
BOS
10h 16m
1 stop
Delta Logo
1:55 pm - 9:21 pm
BOS
-
COS
9h 26m
1 stop
$277Delta
Thu, Oct 22 - Tue, Nov 3

Southwest flights from Colorado to Boston

Our best Southwest deals on Colorado to Boston flight tickets
Southwest
Jun 6
DEN5:10 amDenver Intl
8h 35m
1 stop
BOS3:45 pmBoston Logan Intl
Jun 9
BOS5:00 amBoston Logan Intl
4h 25m
DEN7:25 amDenver Intl
$219
Southwest
May 29
DEN7:35 amDenver Intl
8h 30m
1 stop
BOS6:05 pmBoston Logan Intl
Jun 10
BOS5:00 amBoston Logan Intl
4h 25m
DEN7:25 amDenver Intl
$247
Southwest
Jun 10
DEN2:00 pmDenver Intl
7h 30m
1 stop
BOS11:30 pmBoston Logan Intl
Jun 16
BOS5:00 amBoston Logan Intl
4h 25m
DEN7:25 amDenver Intl
$252

Delta flights from Colorado to Boston

Our best Delta deals on Colorado to Boston flight tickets
Delta
Oct 17
DEN11:40 amDenver Intl
4h 02m
BOS5:42 pmBoston Logan Intl
Oct 22
BOS7:55 amBoston Logan Intl
4h 53m
DEN10:48 amDenver Intl
$227
Delta
Oct 13
DEN11:40 amDenver Intl
4h 02m
BOS5:42 pmBoston Logan Intl
Oct 21
BOS7:55 amBoston Logan Intl
4h 53m
DEN10:48 amDenver Intl
$244
Delta
Sep 12
DEN11:40 amDenver Intl
4h 10m
BOS5:50 pmBoston Logan Intl
Oct 7
BOS7:55 amBoston Logan Intl
4h 53m
DEN10:48 amDenver Intl
$262

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 May 14, 2026.
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

Cheapest round-trip

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Sat 6/6

5:10 am-3:45 pm

1 stop8h 35m

Boston Logan Intl

Tue 6/9

5:00 am-7:25 am

Nonstop4h 25m

$219

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Thu 8/27

10:00 am-1:27 am

1 stop13h 27m

Boston Logan Intl

Wed 9/2

8:03 pm-10:42 pm

Nonstop4h 39m

$220
Quickest round-trip

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Fri 7/3

11:37 pm-5:32 am

Nonstop3h 55m

Boston Logan Intl

Tue 7/14

8:03 pm-10:42 pm

Nonstop4h 39m

$221

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Fri 5/29

10:34 pm-4:29 am

Nonstop3h 55m

Boston Logan Intl

Wed 6/10

6:45 pm-9:35 pm

Nonstop4h 50m

$222

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Thu 8/27

10:00 am-1:27 am

1 stop13h 27m

Boston Logan Intl

Wed 9/2

12:01 pm-10:16 pm

1 stop12h 15m

$223

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Sat 10/17

11:40 am-5:42 pm

Nonstop4h 02m

Boston Logan Intl

Thu 10/22

7:55 am-10:48 am

Nonstop4h 53m

$227

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Tue 6/9

2:11 pm-11:48 pm

1 stop7h 37m

Boston Logan Intl

Sat 6/13

5:05 pm-11:09 pm

1 stop8h 04m

$229

DenverBoston

DEN - BOS

DENBOS

Denver Intl

Wed 8/26

10:00 am-1:27 am

1 stop13h 27m

Boston Logan Intl

Sun 8/30

6:00 am-1:59 pm

1 stop9h 59m

$230

Colorado SpringsBoston

COS - BOS

COSBOS

Colorado Springs

Tue 6/16

8:01 am-7:20 pm

1 stop9h 19m

Boston Logan Intl

Tue 6/30

9:01 am-4:45 pm

1 stop9h 44m

$272

Colorado SpringsBoston

COS - BOS

COSBOS

Colorado Springs

Thu 10/22

5:55 pm-6:11 am

1 stop10h 16m

Boston Logan Intl

Tue 11/3

1:55 pm-9:21 pm

1 stop9h 26m

$277

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 $109. 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 $128.

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 $317. 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 $415.

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 $289. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Boston, so prices are often more expensive at around $390 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 from Colorado 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 $334 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 $283 on momondo.

Can stopping save me money on Colorado to Boston flights?

You could potentially save up to 23% 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

$181

Fastest flight time

3h 51m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from Colorado in the past 72 hours is $181. The best round-trip flight deal from Colorado to Boston found on momondo in the last 72 hours is $317.
The fastest flight from Colorado to Boston takes 3h 51m
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

Frequently asked questions about flying from Colorado to Boston

  • 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 $95Free CancellationRating
5.6
2,953 reviews
Search Frontier flights
DeltaPriceFrom $120Free CancellationRating
7.9
8,455 reviews
Search Delta flights
JetBluePriceFrom $124Free CancellationRating
7.1
2,975 reviews
Search JetBlue flights
American AirlinesPriceFrom $158Free CancellationRating
7.1
11,666 reviews
Search American Airlines flights
United AirlinesPriceFrom $178Free CancellationRating
7.4
9,716 reviews
Search United Airlines flights
SouthwestPriceFrom $181Free CancellationRating
8.0
4,299 reviews
Search Southwest 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
Kennebunkport
Cambridge
Plymouth
South Yarmouth
Gloucester
Narragansett
Falmouth
Brockton
Chatham
Warwick
Sturbridge
Laconia
Dennis Port
Nashua

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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