$109 Cheap Flights from Denver (DEN) to Boston (BOS)

View $109 flight on Sat, Jul 19, 2025Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Logan International Airport (BOS)

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Cheap Flights from Denver to Boston (DEN-BOS)

Prices were available within the past 7 days and start at $109 for one-way flights and $212 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Tue, Jul 15 - Wed, Jul 16
DEN
Denver
BOS
Boston
$212 Roundtrip, found 2 hours ago
$212
Roundtrip
found 2 hours ago
Select JetBlue Airways flight, departing Tue, Jul 15 from Denver to Boston, returning Wed, Jul 16, priced at $212 found 2 hours ago
Southwest Airlines
Wed, Jul 16 - Thu, Jul 24
DEN
Denver
BOS
Boston
$217 Roundtrip, just found
$217
Roundtrip
just found
Select Southwest Airlines flight, departing Wed, Jul 16 from Denver to Boston, returning Thu, Jul 24, priced at $217 just found
United
Tue, Jul 15 - Thu, Jul 17
DEN
Denver
BOS
Boston
$217 Roundtrip, found 1 hour ago
$217
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Jul 15 from Denver to Boston, returning Thu, Jul 17, priced at $217 found 1 hour ago
JetBlue Airways
Thu, Aug 21 - Sun, Aug 24
DEN
Denver
BOS
Boston
$219 Roundtrip, just found
$219
Roundtrip
just found
Select JetBlue Airways flight, departing Thu, Aug 21 from Denver to Boston, returning Sun, Aug 24, priced at $219 just found
United
Wed, Aug 27 - Tue, Sep 2
DEN
Denver
BOS
Boston
$219 Roundtrip, found 4 hours ago
$219
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Aug 27 from Denver to Boston, returning Tue, Sep 2, priced at $219 found 4 hours ago
JetBlue Airways
Tue, Nov 4 - Tue, Nov 4
DEN
Denver
BOS
Boston
$222 Roundtrip, found 5 hours ago
$222
Roundtrip
found 5 hours ago
Select JetBlue Airways flight, departing Tue, Nov 4 from Denver to Boston, returning Tue, Nov 4, priced at $222 found 5 hours ago
Southwest Airlines
Sun, Aug 31 - Wed, Sep 10
DEN
Denver
BOS
Boston
$222 Roundtrip, found 1 hour ago
$222
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Sun, Aug 31 from Denver to Boston, returning Wed, Sep 10, priced at $222 found 1 hour ago
Southwest Airlines
Sun, Aug 24 - Wed, Sep 3
DEN
Denver
BOS
Boston
$224 Roundtrip, found 1 hour ago
$224
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Sun, Aug 24 from Denver to Boston, returning Wed, Sep 3, priced at $224 found 1 hour ago
Delta
Wed, Aug 27 - Sat, Sep 6
DEN
Denver
BOS
Boston
$224 Roundtrip, found 1 hour ago
$224
Roundtrip
found 1 hour ago
Select Delta flight, departing Wed, Aug 27 from Denver to Boston, returning Sat, Sep 6, priced at $224 found 1 hour ago
Alaska Airlines
Sun, Aug 31 - Tue, Sep 2
DEN
Denver
BOS
Boston
$227 Roundtrip, found 19 hours ago
$227
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Sun, Aug 31 from Denver to Boston, returning Tue, Sep 2, priced at $227 found 19 hours ago

Find the cheapest month to fly from Denver (DEN) to Boston (BOS)

October is typically the cheapest month to fly

From $118 - $253 per traveler.

Graph displaying average flight prices per month

0
Flights from Denver (DEN) to Boston (BOS)
Origin airport
Denver Intl.
Destination airport
Logan Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$211
Distance
1749 mi

Denver to Boston Flights

The cheapest times to fly from Denver to Boston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Boston are during the month of July. You can find some of the cheapest flights from Denver to Boston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to Boston

Sunday is one of the best days to book for cheap flights from Denver to Boston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Denver to Boston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Boston in 2025. You can also book with separate airlines for your outbound and return journeys, from $109 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Boston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Boston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Logan Intl. Airport (BOS) cost?
You can land cheap return fares from Denver Intl. Airport (DEN) to Logan Intl. Airport (BOS) starting at $212. Reserve your seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a JetBlue Airways flight leaving DEN on July 14 2025 and touching down at BOS. The price was last updated on June 24 2025 and has not changed since.
What is the cheapest month to fly from DEN to BOS?
The cheapest flights from DEN to BOS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Denver Intl. Airport (DEN) to Logan Intl. Airport (BOS)?
Select from 4 airlines that fly nonstop from Denver Intl. Airport (DEN) to Logan Intl. Airport (BOS). Including:
  • United Airlines
  • Southwest Airlines
  • JetBlue Airways

What is the cheapest airline that flies from DEN to BOS?
Travel from DEN to BOS with JetBlue Airways. This airline currently has the lowest one-way fare on this route, starting from $106. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DEN on August 28 2025. Prices were last updated on June 24 2025 and have not changed since.
How many flights per day from Denver Intl. Airport (DEN) to Logan Intl. Airport (BOS)?
With, on average, 8 direct flights that operate from Denver Intl. Airport (DEN) to Logan Intl. Airport (BOS) every day, you'll be jetting off in no time.
What are the most popular departure times for flights from Denver Intl. Airport (DEN) to Logan Intl. Airport (BOS)?
The 11 PM departures from DEN to BOS are typically the busiest. These flights can come with a higher price due to their popularity. If you want to save on your trip, choose a less crowded time to fly.
What day of the week has the most flights from DEN to BOS?
Depart on a Sunday if you're searching for the biggest selection of flights from Denver Intl. Airport (DEN) to Logan Intl. Airport (BOS).
What is the earliest flight from Denver Intl. Airport (DEN) to Logan Intl. Airport (BOS)?
The earliest flight leaving from Denver Intl. Airport (DEN) is at around 7:45AM UTC-7. Hop on this flight and you'll touch down at Logan Intl. Airport (BOS) at approximately 1:39PM UTC-5. The total travel time is 3h 54m.
How long does it take to fly from Denver Intl. Airport (DEN) to Logan Intl. Airport (BOS)?
The average flight time from DEN to BOS is 3 hours and 50 minutes, covering a distance of 1,750 mi.
What is the best time to fly from Denver Intl. Airport (DEN) to Logan Intl. Airport (BOS)?
Choose a flight from Denver Intl. Airport (DEN) to Logan Intl. Airport (BOS) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Boston from Denver Intl. Airport (DEN)?
You'll arrive at Logan Intl. Airport (BOS) or T.F. Green Airport (PVD) when traveling to Boston on a direct flight from Denver Intl. Airport (DEN).
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Logan Intl. Airport (BOS) last-minute?
Waiting until right before your break to book a ticket from DEN to BOS generally means paying more. While you may find some last-minute discounts, there's no guarantee. Keep your travel plans flexible for the best chance of landing a bargain.
Is it cheaper to book a DEN to BOS flight and hotel package?
Compared with arranging hotels and flights separately, booking a DEN to BOS flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place will take the hassle out of planning your trip. Just pick your flights and choose from our extensive range of stays, then personalize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Logan Intl. Airport (BOS)?
If you booked your DEN to BOS flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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*Available to One Key members.