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$118+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — BOS
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Denver Intl to Boston Logan Intl are usually found in January or September, booked 73 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap 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 junio 12, 2025.

Round-trip from

$217
(Delta)

One-way from

$118
(Hawaiian Airlines)

Popular in

July

Cheapest in

January

Average price

$338

Good round-trip deal

$253 or less

Good one-way deal

$154 or less
From Denver Intl to Boston Logan Intl
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One-way flight from Denver Intl to Boston Logan Intl
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Highest demand for flights based on searches. 9% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Denver Intl to Boston Logan Intl.
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Price to beat on a one-way flight from Denver Intl to Boston Logan Intl.
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Find 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 junio 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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. 7/1011:59 pmDEN - BOS
Nonstop4h 02mUnited Airlines
mié. 7/168:48 pmBOS - DEN
Nonstop4h 42mUnited Airlines
Deal found 6/10$217
This Frontier deal was found by Cheapflights users on 6/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/179:15 pmDEN - BOS
1 stop11h 43mFrontier
vie. 8/228:47 amBOS - DEN
1 stop12h 34mFrontier
Deal found 6/11$221
This Delta deal was found by Cheapflights users on 6/9. 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.
mié. 9/311:31 amDEN - BOS
Nonstop4h 04mDelta
mié. 9/177:55 amBOS - DEN
Nonstop4h 49mDelta
Deal found 6/9$227
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/315:50 pmDEN - BOS
1 stop12h 10mAlaska Airlines
lun. 8/119:20 amBOS - DEN
1 stop12h 12mAlaska Airlines
Deal found 6/10$236
This JetBlue deal was found by Cheapflights users on 6/10. 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. 7/810:39 pmDEN - BOS
Nonstop3h 56mJetBlue
mar. 7/296:06 amBOS - DEN
Nonstop4h 28mJetBlue
Deal found 6/10$237
This American Airlines deal was found by Cheapflights users on 6/10. 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.
jue. 7/1011:35 amDEN - BOS
1 stop6h 51mAmerican Airlines
mié. 7/168:08 amBOS - DEN
1 stop7h 01mAmerican Airlines
Deal found 6/10$238
This Southwest deal was found by Cheapflights users on 6/10. 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.
sáb. 9/65:35 pmDEN - BOS
Nonstop4h 00mSouthwest
lun. 9/85:35 amBOS - DEN
1 stop6h 05mSouthwest
Deal found 6/10$242
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/254:05 pmDEN - BOS
1 stop15h 41mAllegiant Air
vie. 8/19:01 amBOS - DEN
1 stop24h 15mAllegiant Air
Deal found 6/11$268
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/185:49 pmDEN - BOS
2 stops24h 04mMultiple Airlines
vie. 7/259:01 amBOS - DEN
1 stop24h 15mMultiple Airlines
Deal found 6/10$305
This Sun Country Air deal was found by Cheapflights users on 6/10. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/1912:12 pmDEN - BOS
1 stop8h 54mSun Country Air
mar. 12/3011:49 amBOS - DEN
1 stop7h 31mSun Country Air
Deal found 6/10$370

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 junio 12, 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

jue. 7/10

11:59 pm-6:00 am

Nonstop4h 01m

Boston Logan Intl

mar. 7/15

8:25 pm-11:04 pm

Nonstop4h 39m

$217

DenverBoston

DEN - BOS

DENBOS

Denver Intl

dom. 8/17

9:15 pm-10:58 am

1 stop11h 43m

Boston Logan Intl

vie. 8/22

8:47 am-7:21 pm

1 stop12h 34m

$221

DenverBoston

DEN - BOS

DENBOS

Denver Intl

sáb. 9/6

2:30 pm-8:28 pm

Nonstop3h 58m

Boston Logan Intl

lun. 9/8

7:10 pm-9:49 pm

Nonstop4h 39m

$232

DenverBoston

DEN - BOS

DENBOS

Denver Intl

jue. 7/31

5:50 pm-8:00 am

1 stop12h 10m

Boston Logan Intl

lun. 8/11

9:20 am-7:32 pm

1 stop12h 12m

$236

DenverBoston

DEN - BOS

DENBOS

Denver Intl

mar. 7/8

11:59 pm-6:01 am

Nonstop4h 02m

Boston Logan Intl

jue. 7/17

8:48 pm-11:30 pm

Nonstop4h 42m

$237

DenverBoston

DEN - BOS

DENBOS

Denver Intl

jue. 7/10

11:35 am-8:26 pm

1 stop6h 51m

Boston Logan Intl

mié. 7/16

8:08 am-1:09 pm

1 stop7h 01m

$238

DenverBoston

DEN - BOS

DENBOS

Denver Intl

sáb. 9/6

5:35 pm-11:35 pm

Nonstop4h 00m

Boston Logan Intl

lun. 9/8

5:35 am-9:40 am

1 stop6h 05m

$242

DenverBoston

DEN - BOS

DENBOS

Denver Intl

vie. 7/25

4:05 pm-9:46 am

1 stop15h 41m

Boston Logan Intl

vie. 8/1

9:01 am-7:16 am

1 stop24h 15m

$268

DenverBoston

DEN - BOS

DENBOS

Denver Intl

vie. 7/18

5:49 pm-7:53 pm

2 stops24h 04m

Boston Logan Intl

vie. 7/25

9:01 am-7:16 am

1 stop24h 15m

$305

DenverBoston

DEN - BOS

DENBOS

Denver Intl

sáb. 8/2

6:59 pm-6:00 am

1 stop9h 01m

$118

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 20 results
1
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The best insider tips for Denver to Boston flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
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.

Read more about DENby Emily Zemler
BOS

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

Read more about BOSby Paul Rubio
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

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 June 9, 2025.

The best time to book flights from Denver to Boston is 67 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, January is the cheapest month in which you can book a flight from Denver to Boston (average of $218). Flying from Denver to Boston in June is currently the most expensive (average of $306). 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 junio 12, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 33% 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 June 8, 2025.

Travelers seeking maximum savings on their Denver to Boston flight should consider departing on Wednesday 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.

Weekly flight availability from Denver to Boston

Explore weekly flight availability from Denver 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 junio 12, 2025.

The most flights from DEN to BOS are scheduled on a Monday (16 on average). You will have fewer flight options on Sunday, 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 junio 12, 2025.
Read through reviews of airlines operating flights from Denver to Boston, such as Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 10 flights from Denver Intl (DEN) to Logan Intl (BOS) per day to choose from. Flights to Boston from Denver Intl are available from 7 different airlines, which means you should have some options if you want to compare airfare deals. 3h 50m is how long a nonstop flight from Denver to Boston Logan Intl typically takes.

  • How popular is this Denver to Boston flight route?

    This flight path from Denver Intl to Boston Logan Intl was viewed by 26 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 flying from Denver to Boston round-trip?

    Cheapflights users have booked flights from Denver to Boston round-trip from $217. Other airlines that can offer you cheap pricing are Frontier, from $221, and Alaska Airlines, from $236. Delta is priced at 27% 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 Hawaiian Airlines, with whom users have recently found tickets for as low as $118. However, be on the lookout for offers from American Airlines and Allegiant Air, 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 Air France (100%), Virgin Atlantic (100%) or EL AL (94%) 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 $118. While the most popular route (Denver Intl - Boston Logan Intl) can be booked for $177 on average our data indicates $559 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, January is the cheapest month in which you can book a flight from Denver to Boston (average of $218). Flying from Denver to Boston in June is currently the most expensive (average of $306). 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 Denver?

Book flights to Denver if you plan to visit one of these locations
Cambridge
Medford
Watertown
Warwick
Waltham
Framingham
Seabrook
Cranston
Randolph
Chestnut Hill
Lowell
Chelsea
Marlborough
Brockton
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Swansea

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Alternative routes for Denver to Boston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Denver to Boston

Discover the top 7 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$96Average$194FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$105Average$179FlexibilityNo cancel feeOn-time62%
DeltaCheapest$118Average$288FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$126Average$270FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$193Average$369FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$197Average$344FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$206Average$300FlexibilityNo cancel feeOn-time71%

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