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$99+ Cheap flights from Boston to Denver (BOS - DEN)

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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — DEN
Jan 28 — Feb 41
Tue 1/28
Tue 2/4
1 adult, Economy
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The best prices from Boston Logan Intl to Denver Intl are usually found in January or November, booked 57 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Boston to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Denver (DEN). 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 January 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$136
(Trip.com)

One-way from

$99
(Southwest)

Popular in

June

Cheapest in

January

Average price

$252

Good round-trip deal

$285 or less

Good one-way deal

$173 or less
Provider with most accurate pricing for Boston Logan Intl-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Denver Intl flights.
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From Boston Logan Intl to Denver Intl
Search Deals
One-way flight from Boston Logan Intl to Denver Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2025
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Denver Intl.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Denver Intl.
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Find flight deals from Boston to Denver

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

This Trip.com deal was found by Cheapflights users on 1/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/46:00 amBOS - DEN
1 stop7h 57mFrontier
Sun 2/96:05 amDEN - BOS
1 stop26h 51mFrontier
Deal found 1/22$136
This JetBlue Airways deal was found by Cheapflights users on 1/23. 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 Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/78:15 pmBOS - DEN
Nonstop4h 44mJetBlue
Sun 2/1611:59 pmDEN - BOS
Nonstop3h 42mJetBlue
Deal found 1/23$197
This Justfly.com deal was found by Cheapflights users on 1/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2411:46 amBOS - DEN
1 stop8h 07mMultiple Airlines
Wed 2/2612:13 amDEN - BOS
1 stop22h 31mMultiple Airlines
Deal found 1/22$216
This American Airlines deal was found by Cheapflights users on 1/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/67:20 amBOS - DEN
1 stop10h 31mAmerican Airlines
Sun 2/911:59 pmDEN - BOS
1 stop7h 35mAmerican Airlines
Deal found 1/22$228
This United Airlines deal was found by Cheapflights users on 1/22. 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.
Thu 1/306:00 amBOS - DEN
1 stop6h 35mUnited Airlines
Mon 2/36:00 amDEN - BOS
1 stop6h 01mUnited Airlines
Deal found 1/22$237
This Delta deal was found by Cheapflights users on 1/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/227:55 amBOS - DEN
Nonstop4h 38mDelta
Tue 8/2611:55 pmDEN - BOS
Nonstop4h 14mDelta
Deal found 1/23$257
This Southwest deal was found by Cheapflights users on 1/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/215:25 amBOS - DEN
Nonstop4h 55mSouthwest
Fri 2/287:10 pmDEN - BOS
Nonstop3h 50mSouthwest
Deal found 1/22$280
This Sun Country Air deal was found by Cheapflights users on 1/23. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3111:34 amBOS - DEN
1 stop23h 45mSun Country Air
Mon 8/410:14 amDEN - BOS
1 stop22h 23mSun Country Air
Deal found 1/23$305

Find flights from Boston to Denver within your budget

Customize your flight search to find flights from Boston to Denver 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 January 23, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Tue 2/4

6:00 am-11:57 am

1 stop7h 57m

Denver Intl

Sun 2/9

6:05 am-10:56 am

1 stop26h 51m

$136

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Fri 2/7

8:15 pm-10:59 pm

Nonstop4h 44m

Denver Intl

Tue 2/11

11:55 pm-5:35 am

Nonstop3h 40m

$197

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Mon 2/24

6:20 pm-11:30 pm

1 stop7h 10m

Denver Intl

Thu 2/27

11:59 pm-5:49 am

Nonstop3h 50m

$207

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Mon 2/24

11:46 am-5:53 pm

1 stop8h 07m

Denver Intl

Wed 2/26

12:13 am-12:44 am

1 stop22h 31m

$216

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Thu 2/6

7:20 am-3:51 pm

1 stop10h 31m

Denver Intl

Sun 2/9

11:59 pm-9:34 am

1 stop7h 35m

$228

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Fri 2/7

5:00 am-7:55 am

Nonstop4h 55m

Denver Intl

Thu 2/13

7:10 pm-1:00 am

Nonstop3h 50m

$279

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Sun 2/23

4:23 pm-1:54 pm

2 stops23h 31m

Denver Intl

Thu 2/27

7:00 am-11:59 pm

1 stop14h 59m

$305

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Sun 2/9

7:20 am-10:20 am

Nonstop5h 00m

Denver Intl

Fri 2/21

6:15 am-3:53 pm

1 stop7h 38m

$315

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Mon 2/24

5:00 am-7:55 am

Nonstop4h 55m

$99

BostonDenver

BOS - DEN

BOSDEN

Boston Logan Intl

Fri 5/16

12:48 pm-11:17 pm

1 stop12h 29m

$100

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 17 results
1
2

Compare providers for flights from Boston to Denver

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 Boston to Denver in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
PricelinePrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice 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 Boston-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Denver flights, Cheapflights users trust FlightHub the most. FlightHub 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 Boston-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Boston to Denver flights

Find out what our experts recommend to make the most of your Boston to Denver trip
Airlines
United Airlines

United's Economy Plus offers extra legroom and is available for free to Premier members.


United's Basic Economy allows a personal item but no carry-on bags, except for certain members.

Read more about United Airlinesby Harriet Baskas
JetBlue

JetBlue offers free onboard Wi-Fi and screens at every seat for entertainment.


Blue Basic includes a free carry-on, but changes and cancellations come with a fee.

Read more about JetBlueby Blane Bachelor
Delta

Delta offers free Wi-Fi for SkyMiles members on most domestic flights.


Delta's Comfort Plus provides extra legroom, early boarding, and upgraded snacks.

Read more about Deltaby Harriet Baskas
Airports
BOS

Use the FlyLogan App to pre-order meals and save time at BOS. Most eateries participate, making it a convenient option.

Read more about BOSby Paul Rubio
DEN

Take the A Line train from DEN to Union Station for a quick, cost-effective ride into downtown Denver, running every 15 minutes.

Read more about DENby Emily Zemler
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines and Delta

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Blane Bachelor

Blane Bachelor

Expert on JetBlue

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
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

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.

Best time to book a flight from Boston to Denver

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Denver. Price data was last updated on January 17, 2025.

The best time to book flights from Boston to Denver is 57 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 Boston to Denver?

Currently, October is the cheapest month in which you can book a flight from Boston to Denver (average of $197). Flying from Boston to Denver in March is currently the most expensive (average of $278). 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 BOS to DEN?

Find hourly flight availability from Boston to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 23, 2025.

One of the essential ways to save on airfare from Boston to Denver is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 29% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Boston to Denver. Price data was last updated on January 21, 2025.

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

Weekly flight availability from Boston to Denver

Explore weekly flight availability from Boston to Denver. 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 January 23, 2025.

The most flights from BOS to DEN are scheduled on a Monday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Denver by month

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

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

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

If weather is an important factor for your trip to Denver, 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 Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated January 23, 2025.
See what other customers who have flown with Frontier, JetBlue and Southwest from Boston to Denver have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,652 reviews

Overall

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Southwest
8.1
Very good
4,652 reviews
Southwest
8.1
Very good
4,652 reviews

Overall

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Alaska Airlines
8.0
Very good
9,699 reviews
Southwest
8.1
Very good
4,652 reviews

Overall

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Delta
8.0
Very good
8,512 reviews
Southwest
8.1
Very good
4,652 reviews

Overall

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

JetBlue
7.4
Good
3,191 reviews
Southwest
8.1
Very good
4,652 reviews

Overall

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

United Airlines
7.4
Good
8,970 reviews
Southwest
8.1
Very good
4,652 reviews

Overall

8.1

Food

7.2

Boarding

8.2

Entertainment

7.7

Comfort

8.1

Crew

8.7

Reviews

1 / 10

We BARELY made the connection and when we got onboard we were treated like disobedient children who should have arrived earlier because we had to ask other passengers to move so we could sit with our kids. The flight attendants on the first flight were nice but the second one, they were snippy and fairly rude.

Related info for your journey

Find useful and relevant information for your journey from Boston to Denver. 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 Boston to Denver?

    Booking a flight from Boston Logan Intl (BOS) to Denver Intl (DEN) is your only option if you wish to fly from Boston to Denver. On a typical day, there are 12 flights from Logan Intl to Denver Intl, all of which are around 4h 28m for a nonstop flight. You can also purchase a plane ticket from 8 airlines when you book a flight from Logan Intl to Denver.

  • How popular is this Boston to Denver flight route?

    This flight path from Boston Logan Intl to Denver Intl was viewed by 65 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 Boston to Denver round-trip?

    Flying on Frontier is currently your cheapest option to Denver, with prices starting at $136. Additional round-trip tickets that might be worth considering are offered by JetBlue and American Airlines, with the lowest prices starting at $197 and $228, respectively. Frontier is currently priced 58% below the average price you’ll pay for this route.

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

    $99 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Frontier and United Airlines, with prices starting from $102 and $109, respectively.

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

    Before booking your flight to Denver from Boston, check out the most reliable airlines to get you to your destination on time: Delta (89%), Qatar Airways (83%), Southwest( 79%).

  • What are the cheapest flights from Boston to Denver?

    Looking for the cheapest flight from Boston to Denver? While on average our users pay $892, our data indicates the cheapest price to be $102. The most popular route (Boston Logan Intl - Denver Intl), is priced around $152.

  • Where are the most common layover locations when flying from Boston to Denver?

    Of the flights from Boston to Denver that have layovers, most of them stop in Philadelphia.

  • What are some popular things to do or see while on a layover in Philadelphia?

    Rittenhouse Square, University of Pennsylvania, and Citizens Bank Park are currently the most popular points of interest in Philadelphia at the moment. Rittenhouse Square, University of Pennsylvania, and Citizens Bank Park can be accessed by traveling approximately 6.1 mi, 5.7 mi, and 4.3 mi, respectively from Philadelphia. Travelers in need of a car in Philadelphia can rent one for about $54 per day.

  • Where are the least popular layover locations for Boston to Denver flights?

    Boston to Denver flights have a layover in Chicago least often.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Boston to Denver (average of $197). Flying from Boston to Denver in March is currently the most expensive (average of $278). 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?

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Alternative routes for Boston to Denver

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Boston to Denver

Discover the top 8 airlines that operate flights from Boston to Denver. 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 January 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$99Average$194FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$106Average$184FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$118Average$300FlexibilityNo cancel feeOn-time62%
DeltaCheapest$124Average$334FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$138Average$269FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$187Average$297FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$188Average$275FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$192Average$407FlexibilityNo cancel feeOn-time69%
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