Boston

$95+ Cheap flights from Denver to Boston (DEN - 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BOS
ene. 22 — ene. 291
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Find cheap flights from Denver to Boston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Denver Intl to Boston Logan Intl are usually found in January or February, booked 78 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Denver to Boston

Cheapest flights from Denver to Boston
Explore the most affordable flight options available from Denver to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 23, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/3111:59 pmDEN - BOS
1 stop7h 53mFrontier
lun. 1/58:08 amBOS - DEN
1 stop7h 33mFrontier
Deal found 12/21$232
This Priceline deal was found by Cheapflights users on 12/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/2310:40 pmDEN - BOS
Nonstop3h 47mMultiple Airlines
lun. 1/126:00 amBOS - DEN
1 stop8h 21mMultiple Airlines
Deal found 12/22$270
This JetBlue deal was found by Cheapflights users on 12/22. 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.
mar. 12/3010:40 pmDEN - BOS
Nonstop3h 47mJetBlue
lun. 1/199:59 amBOS - DEN
Nonstop4h 46mJetBlue
Deal found 12/22$272
This Cheapflightsfares deal was found by Cheapflights users on 12/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/2912:14 amDEN - BOS
1 stop7h 28mFrontier
lun. 1/198:47 amBOS - DEN
1 stop7h 08mFrontier
Deal found 12/22$275
This Priceline deal was found by Cheapflights users on 12/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/235:47 pmDEN - BOS
Nonstop3h 53mJetBlue
lun. 1/129:59 amBOS - DEN
Nonstop4h 46mJetBlue
Deal found 12/22$277
This Cheapflightsfares deal was found by Cheapflights users on 12/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/286:00 amDEN - BOS
1 stop23h 23mFrontier
lun. 1/58:08 amBOS - DEN
1 stop7h 33mFrontier
Deal found 12/21$281
This Cheapflightsfares deal was found by Cheapflights users on 12/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/2912:14 amDEN - BOS
1 stop7h 28mFrontier
mar. 1/66:00 amBOS - DEN
1 stop8h 21mFrontier
Deal found 12/23$282
This United Airlines deal was found by Cheapflights users on 12/22. 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.
mar. 12/2311:59 pmDEN - BOS
1 stop7h 20mUnited Airlines
mié. 1/74:49 pmBOS - DEN
Nonstop4h 45mUnited Airlines
Deal found 12/22$287
This JetBlue deal was found by Cheapflights users on 12/23. 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.
mar. 12/3010:40 pmDEN - BOS
Nonstop3h 47mJetBlue
mar. 1/69:59 amBOS - DEN
Nonstop4h 46mJetBlue
Deal found 12/23$292
This JetBlue deal was found by Cheapflights users on 12/21. 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.
mar. 12/235:47 pmDEN - BOS
Nonstop3h 53mJetBlue
lun. 1/56:45 pmBOS - DEN
Nonstop4h 52mJetBlue
Deal found 12/21$297
This Cheapflightsfares deal was found by Cheapflights users on 12/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/3111:59 pmDEN - BOS
1 stop7h 53mFrontier
sáb. 1/311:37 amBOS - DEN
1 stop12h 31mFrontier
Deal found 12/22$305

Find flight deals from Denver to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated diciembre 23, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$169
(Kiwi.com)

One-way from

$95
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$332

Good round-trip deal

$237 or less

Good one-way deal

$147 or less
Provider with most accurate pricing for Denver Intl-Boston Logan Intl flight deals.
Provider most trusted by Cheapflights users for Denver Intl-Boston Logan Intl flights.
From Denver Intl to Boston Logan Intl
One-way flight from Denver Intl to Boston Logan Intl
Highest demand for flights based on searches. 6% potential increase in price ($22 potential increase over avg. RT price).
Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Denver Intl to Boston Logan Intl.
Price to beat on a one-way flight from Denver Intl to Boston Logan Intl.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver 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 diciembre 23, 2025.
Use the filters below to find and compare flights from Denver to Boston that are best for you.

Fly from

Denver

Fly to

Boston

Route

Depart

Return

Price

DenverBoston

DEN - BOS

DENBOS

Denver Intl

mar. 2/24

11:13 pm-5:00 am

Nonstop3h 47m

Boston Logan Intl

sáb. 2/28

12:35 pm-7:27 pm

1 stop8h 52m

$193

DenverBoston

DEN - BOS

DENBOS

Denver Intl

dom. 1/18

11:38 am-5:35 pm

Nonstop3h 57m

Boston Logan Intl

dom. 1/25

7:20 am-10:24 am

Nonstop5h 04m

$197

DenverBoston

DEN - BOS

DENBOS

Denver Intl

jue. 1/29

1:40 pm-7:33 pm

Nonstop3h 53m

Boston Logan Intl

mar. 2/3

9:59 am-12:45 pm

Nonstop4h 46m

$197

DenverBoston

DEN - BOS

DENBOS

Denver Intl

vie. 1/30

11:38 am-5:35 pm

Nonstop3h 57m

Boston Logan Intl

dom. 2/8

7:20 am-10:24 am

Nonstop5h 04m

$197

DenverBoston

DEN - BOS

DENBOS

Denver Intl

mié. 1/21

11:38 am-5:35 pm

Nonstop3h 57m

Boston Logan Intl

mié. 1/28

7:20 am-10:24 am

Nonstop5h 04m

$197

DenverBoston

DEN - BOS

DENBOS

Denver Intl

sáb. 1/10

11:38 am-5:35 pm

Nonstop3h 57m

Boston Logan Intl

sáb. 1/17

7:20 am-10:24 am

Nonstop5h 04m

$197

DenverBoston

DEN - BOS

DENBOS

Denver Intl

lun. 2/2

11:40 am-8:18 pm

1 stop6h 38m

Boston Logan Intl

vie. 2/20

7:31 pm-10:18 pm

Nonstop4h 47m

$217

DenverBoston

DEN - BOS

DENBOS

Denver Intl

jue. 2/5

11:35 am-10:22 pm

1 stop8h 47m

Boston Logan Intl

vie. 2/20

7:31 pm-10:18 pm

Nonstop4h 47m

$217

DenverBoston

DEN - BOS

DENBOS

Denver Intl

lun. 1/12

4:45 pm-10:30 pm

Nonstop3h 45m

Boston Logan Intl

jue. 1/15

7:00 am-9:50 am

Nonstop4h 50m

$227

DenverBoston

DEN - BOS

DENBOS

Denver Intl

jue. 2/5

1:40 pm-7:33 pm

Nonstop3h 53m

Boston Logan Intl

jue. 2/19

5:05 pm-11:00 pm

1 stop7h 55m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 23 results
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Compare providers for flights from Denver to Boston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Boston in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Boston flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Denver-Boston flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Denver-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Boston flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Denver 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.

Cheapflights Insights

Everything you need to know about your flight from Denver to Boston

How far ahead should I book a flight from Denver to Boston?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Boston. Price data was last updated on December 19, 2025.

The best time to book flights from Denver to Boston is 78 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Denver to Boston (average of $65). Flying from Denver to Boston in September is currently the most expensive (average of $151). 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 DEN to BOS?

Find hourly flight availability from Denver 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 diciembre 23, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 26% on flights from Denver to Boston by exploring options for tickets in the evening.

What is the cheapest day to fly from Denver to Boston?

Use this chart to determine the cheapest time to fly round-trip from Denver to Boston. Price data was last updated on December 20, 2025.

Travelers seeking maximum savings on their Denver to Boston flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Denver to Boston flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Denver to Boston trip
Airports
DEN

Use the A Line train for a 37-minute ride from DEN to Union Station, avoiding traffic and saving money.

BOS

Take the Silver Line bus from BOS to South Station for free, offering easy access to downtown Boston.

Our travel experts
Paul Rubio

Paul Rubio

Expert on BOS

Paul Rubio

Paul Rubio

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more
Emily Zemler

Emily Zemler

Expert on DEN

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more

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 diciembre 23, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Denver to Boston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Food

7.0

Boarding

8.1

Overall

8.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Denver to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from Denver to Boston?

    If you wish to fly to Boston from Denver, then you need to book flights from Denver Intl to Boston Logan Intl. There are 14 flights from Denver Intl (DEN) to Logan Intl (BOS) per day to choose from. Flights to Boston from Denver Intl are available from 6 different airlines, which means you should have some options if you want to compare airfare deals. 3h 45m is how long a nonstop flight from Denver to Boston Logan Intl typically takes.

  • How popular is this Denver to Boston flight route?

  • How long is the flight from Denver to Boston?

    Airlines like Delta and JetBlue fly from Denver to Boston in about 3h 53m. The time it takes to get you to your destination is usually consistent. The distance from Denver to Boston is about 1748 mi. Most flights are nonstop.

  • What are the cheapest airlines flying from Denver to Boston round-trip?

    Cheapflights users have booked flights from Denver to Boston round-trip from $101. Other airlines that can offer you cheap pricing are Delta, from $112, and JetBlue, from $115. Frontier is priced at 67% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $94. However, be on the lookout for offers from Southwest and JetBlue, as they are both options that can get you from Denver to Boston for a low price.

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

    No one likes to see their flight delayed. When booking a flight from Denver to Boston consider choosing EL AL (87%), United Airlines (82%) or Icelandair (79%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Denver to Boston?

    Looking at all options, your cheapest flight can be booked for $88. While the most popular route (Denver Intl - Boston Logan Intl) can be booked for $143 on average, our data indicates $490 when flying from Denver to Boston.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Denver 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 Denver to Boston?

    Currently, August is the cheapest month in which you can book a flight from Denver to Boston (average of $65). Flying from Denver to Boston in September is currently the most expensive (average of $151). 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 Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Medford
Hampton Beach
Watertown
Seabrook
Seekonk
Brockton
Cranston
Lincoln
Lowell
Smithfield
Peabody
Quincy
York Beach
Warwick
Londonderry
Swansea
Old Orchard Beach
Waltham
Chelsea

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Denver to Boston

Discover the top 6 airlines that operate flights from Denver 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 diciembre 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$108Average$217FlexibilityNo cancel feeOn-time62%
DeltaCheapest$130Average$294FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$134Average$287FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$158Average$319FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$186Average$337FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$193Average$369FlexibilityNo cancel feeOn-time69%

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