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$100+ Cheap flights from Colorado to Boston (BOS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BOS
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
1 adult, Economy
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Cheap flight deals from Colorado to Boston

Keep the following information in mind while searching for Colorado to Boston flight deals. Data was last updated febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$129
(FlightHub)

One-way from

$100
(Cheapflightsfares)

Popular in

July

Cheapest in

January

Average price

$266

Good round-trip deal

$108 or less

Good one-way deal

$123 or less
Provider with most accurate pricing for Denver Intl-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Boston Logan Intl flights.
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From Colorado to Boston Logan Intl
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One-way flight from Colorado to Boston Logan Intl
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Highest demand for flights based on searches. 10% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Colorado to Boston Logan Intl.
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Price to beat on a one-way flight from Colorado to Boston Logan Intl.
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Find flight deals from Colorado to Boston

Cheapest flights from Colorado to Boston
Explore the most affordable flight options available from Colorado to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on febrero 20, 2025.

This FlightHub deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/47:41 pmDEN - BOS
1 stop27h 03mFrontier
lun. 3/1010:11 amBOS - DEN
1 stop16h 34mFrontier
Deal found 2/19$129
This FlightHub deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/1612:10 amDEN - BOS
1 stop22h 37mMultiple Airlines
sáb. 4/196:30 amBOS - DEN
1 stop13h 12mMultiple Airlines
Deal found 2/19$196
This JetBlue deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/810:40 pmDEN - BOS
Nonstop3h 50mJetBlue
dom. 5/119:55 amBOS - DEN
Nonstop4h 39mJetBlue
Deal found 2/19$197
This American Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/1411:59 pmDEN - BOS
1 stop7h 21mAmerican Airlines
mié. 4/236:04 pmBOS - DEN
1 stop7h 49mAmerican Airlines
Deal found 2/20$216
This United Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/2011:59 pmDEN - BOS
Nonstop3h 50mUnited Airlines
jue. 3/277:00 amBOS - DEN
Nonstop5h 01mUnited Airlines
Deal found 2/20$218
This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/311:36 amDEN - BOS
Nonstop3h 59mDelta
lun. 4/77:45 amBOS - DEN
Nonstop4h 41mDelta
Deal found 2/20$233
This United Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/61:45 pmCOS - BOS
1 stop7h 59mUnited Airlines
lun. 3/104:41 pmBOS - COS
1 stop7h 19mUnited Airlines
Deal found 2/19$237
This United Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/61:40 pmHDN - BOS
1 stop6h 20mUnited Airlines
lun. 3/107:00 amBOS - HDN
1 stop9h 30mUnited Airlines
Deal found 2/18$237
This American Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/256:00 amCOS - BOS
2 stops9h 03mAmerican Airlines
mar. 4/15:58 pmBOS - COS
1 stop7h 49mAmerican Airlines
Deal found 2/20$242
This Southwest deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/133:00 pmDEN - BOS
2 stops7h 20mSouthwest
vie. 3/145:50 amBOS - DEN
Nonstop4h 50mSouthwest
Deal found 2/20$262
This American Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/181:33 pmHDN - BOS
1 stop7h 56mAmerican Airlines
mar. 3/255:26 amBOS - HDN
1 stop9h 17mAmerican Airlines
Deal found 2/19$265
This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/1911:35 amCOS - BOS
1 stop8h 50mDelta
dom. 8/318:00 amBOS - COS
1 stop6h 50mDelta
Deal found 2/20$277

Find flights from Colorado to Boston within your budget

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, Cheapflights users made 2,558,603 searches. Data last updated febrero 20, 2025.

Fly from

Colorado

Fly to

Boston

Route

Depart

Return

Price

DenverBoston

DEN - BOS

DENBOS

Denver Intl

mar. 3/4

7:41 pm-12:44 am

1 stop27h 03m

Boston Logan Intl

lun. 3/10

10:11 am-12:45 am

1 stop16h 34m

$129

DenverBoston

DEN - BOS

DENBOS

Denver Intl

mié. 4/16

12:10 am-12:47 am

1 stop22h 37m

Boston Logan Intl

sáb. 4/19

6:30 am-5:42 pm

1 stop13h 12m

$196

DenverBoston

DEN - BOS

DENBOS

Denver Intl

jue. 5/8

10:40 pm-4:30 am

Nonstop3h 50m

Boston Logan Intl

dom. 5/11

9:55 am-12:34 pm

Nonstop4h 39m

$197

DenverBoston

DEN - BOS

DENBOS

Denver Intl

lun. 4/14

11:59 pm-9:20 am

1 stop7h 21m

Boston Logan Intl

mié. 4/23

6:04 pm-11:53 pm

1 stop7h 49m

$216

DenverBoston

DEN - BOS

DENBOS

Denver Intl

jue. 3/20

11:59 pm-5:49 am

Nonstop3h 50m

Boston Logan Intl

jue. 3/27

7:00 am-10:01 am

Nonstop5h 01m

$218

DenverBoston

DEN - BOS

DENBOS

Denver Intl

jue. 4/3

11:36 am-5:35 pm

Nonstop3h 59m

Boston Logan Intl

lun. 4/7

7:45 am-10:26 am

Nonstop4h 41m

$233

DenverBoston

DEN - BOS

DENBOS

Denver Intl

jue. 3/6

7:55 pm-7:44 am

1 stop9h 49m

Boston Logan Intl

lun. 3/10

10:00 am-6:59 pm

1 stop10h 59m

$236

Colorado SpringsBoston

COS - BOS

COSBOS

Colorado Springs

jue. 3/6

1:45 pm-11:44 pm

1 stop7h 59m

Boston Logan Intl

lun. 3/10

4:41 pm-10:00 pm

1 stop7h 19m

$237

HaydenBoston

HDN - BOS

HDNBOS

Hayden Yampa Valley

jue. 3/6

1:22 pm-11:24 pm

1 stop8h 02m

Boston Logan Intl

sáb. 3/8

5:29 am-2:36 pm

1 stop11h 07m

$237

HaydenBoston

HDN - BOS

HDNBOS

Hayden Yampa Valley

jue. 3/6

1:40 pm-11:44 pm

1 stop8h 04m

Boston Logan Intl

jue. 3/13

9:20 am-2:30 pm

1 stop7h 10m

$238

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 60 results
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Best time to book a flight from Colorado to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Colorado with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Colorado to Boston

Get recent, data-driven insights about flights from Colorado to Boston including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Colorado to Boston?

Currently, January is the cheapest month in which you can book a flight from Colorado to Boston (average of $218). Flying from Colorado to Boston in July is currently the most expensive (average of $311). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CO to BOS?

Find hourly flight availability from Colorado to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated febrero 20, 2025.

When flying from Colorado to Boston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Colorado to Boston

Explore weekly flight availability from Colorado to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated febrero 20, 2025.

The most flights from USCO to BOS are scheduled on a Thursday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated febrero 20, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Colorado to Boston. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Colorado to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Boston from Colorado?

    Most people fly into Boston Logan Intl (BOS) if they book a flight to Boston from Colorado. Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

  • How popular is this Colorado to Boston flight route?

    The Colorado to Boston Logan Intl flight path was viewed by 35 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Colorado to Boston one-way?

    The cheapest airlines for a one-way flight from Colorado to Boston are Frontier ($100), JetBlue ($109), and American Airlines ($119).

  • What are the most popular routes from Colorado to Boston?

    While some choose either Colorado Springs - Boston Logan Intl or Grand Junction Regnl - Boston Logan Intl, Denver Intl - Boston Logan Intl is the most popular route from Colorado to Boston.

  • What are the most reliable airlines from Colorado to Boston?

    Consider EL AL (81%), Southwest (80%) or United Airlines (79%) when booking your flight. These represent the most reliable airlines when flying from Colorado to Boston.

  • What are the cheapest flights from Colorado to Boston?

    The cheapest flight price from Colorado to Boston is $101. On average you can expect to pay $871. The most popular route, (Denver Intl - Boston Logan Intl), can usually be booked for $147.

  • Can I find deals for flights from Colorado to Boston that include hotel bookings?

    Yes. In addition to deals on Colorado to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Colorado to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Colorado to Boston.

  • Can I find deals for business class flights from Colorado to Boston?

    Yes. Cheapflights offers flight deals from Colorado to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Colorado to Boston?

    Currently, January is the cheapest month in which you can book a flight from Colorado to Boston (average of $218). Flying from Colorado to Boston in July is currently the most expensive (average of $311). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Colorado?

Book flights to Colorado if you plan to visit one of these locations
Warwick
Marlborough
Brockton
Waltham
Cambridge
Sturbridge
Framingham
Somerville
Chestnut Hill
Seekonk
Randolph
Lowell
Watertown
West Yarmouth
Woburn
Saco
Seabrook
Salem
Brookline
Fall River

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Top 7 airlines flying from Colorado to Boston

Discover the top 7 airlines that operate flights from Colorado to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$94Average$184FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$106Average$180FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$109Average$406FlexibilityNo cancel feeOn-time62%
DeltaCheapest$120Average$371FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$187Average$571FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$188Average$414FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$199Average$478FlexibilityNo cancel feeOn-time71%
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