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

Today's featured flight deals from Logan International Airport (BOS) to Denver Intl. Airport (DEN)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Boston to Denver (BOS-DEN)

Prices were available within the past 7 days and start at $65 for one-way flights and $130 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Dec 4 - Thu, Dec 11
BOS
Boston
DEN
Denver
$130 Roundtrip, found 1 hour ago
$130
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Boston to Denver, returning Thu, Dec 11, priced at $130 found 1 hour ago
Frontier Airlines
Mon, Nov 17 - Thu, Dec 4
BOS
Boston
DEN
Denver
$140 Roundtrip, found 2 days ago
$140
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Nov 17 from Boston to Denver, returning Thu, Dec 4, priced at $140 found 2 days ago
Frontier Airlines
Mon, Dec 15 - Tue, Dec 16
BOS
Boston
DEN
Denver
$148 Roundtrip, found 6 hours ago
$148
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Mon, Dec 15 from Boston to Denver, returning Tue, Dec 16, priced at $148 found 6 hours ago
Frontier Airlines
Mon, Dec 15 - Thu, Dec 25
BOS
Boston
DEN
Denver
$149 Roundtrip, found 2 hours ago
$149
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Mon, Dec 15 from Boston to Denver, returning Thu, Dec 25, priced at $149 found 2 hours ago
Frontier Airlines
Thu, Dec 4 - Thu, Dec 11
BOS
Boston
DEN
Denver
$150 Roundtrip, found 1 hour ago
$150
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Dec 4 from Boston to Denver, returning Thu, Dec 11, priced at $150 found 1 hour ago
Frontier Airlines
Mon, Dec 8 - Tue, Dec 16
BOS
Boston
DEN
Denver
$153 Roundtrip, found 6 hours ago
$153
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Mon, Dec 8 from Boston to Denver, returning Tue, Dec 16, priced at $153 found 6 hours ago
United
Mon, Jan 19 - Wed, Jan 21
BOS
Boston
DEN
Denver
$157 Roundtrip, found 1 hour ago
$157
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Jan 19 from Boston to Denver, returning Wed, Jan 21, priced at $157 found 1 hour ago
Southwest Airlines
Mon, Jan 19 - Wed, Jan 21
BOS
Boston
DEN
Denver
$157 Roundtrip, found 1 hour ago
$157
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Mon, Jan 19 from Boston to Denver, returning Wed, Jan 21, priced at $157 found 1 hour ago
Delta
Thu, Dec 4 - Thu, Dec 11
BOS
Boston
DEN
Denver
$160 Roundtrip, found 1 hour ago
$160
Roundtrip
found 1 hour ago
Select Delta flight, departing Thu, Dec 4 from Boston to Denver, returning Thu, Dec 11, priced at $160 found 1 hour ago
JetBlue Airways
Thu, Dec 4 - Thu, Dec 11
BOS
Boston
DEN
Denver
$170 Roundtrip, found 1 hour ago
$170
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Thu, Dec 4 from Boston to Denver, returning Thu, Dec 11, priced at $170 found 1 hour ago

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

December is typically the cheapest month to fly

From $51 - $352 per traveler.

Alternative airports near Denver

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $181
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $181

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Denver Intl. Airport (DEN) cost?
Lock in a cheap one-way flight from $65 or cheap return flight from $130 from Logan Intl. Airport (BOS) to Denver Intl. Airport (DEN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Denver Intl. Airport (DEN)?
December is the most affordable month to fly from BOS to DEN. Traveling during quieter months is often the key to finding better deals on flights.
Which airlines fly direct from Logan Intl. Airport (BOS) to Denver Intl. Airport (DEN)?
Skip the layovers and fly nonstop from Logan Intl. Airport (BOS) to Denver Intl. Airport (DEN) with 4 carriers, including:

  • United Airlines
  • Southwest Airlines
  • JetBlue Airways

What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Denver Intl. Airport (DEN)?
The cheapest airline to offer flights between Logan Intl. Airport (BOS) and Denver Intl. Airport (DEN) can vary based on your travel dates. However, you'll typically find that low-cost carriers such as Southwest Airlines and JetBlue Airways have some of the best prices available. Use Expedia's filters to compare airlines in one place and find the right BOS to DEN flight for your budget.
How many flights per day from Logan Intl. Airport (BOS) to Denver Intl. Airport (DEN)?
Each day, an average of 8 direct flights take off from Logan Intl. Airport (BOS) to Denver Intl. Airport (DEN). Select the departure date that best fits your schedule.
What are the most popular departure times for flights from Logan Intl. Airport (BOS) to Denver Intl. Airport (DEN)?
Flights between BOS and DEN are busiest at 7 AM. If you'd like a more relaxed trip and possibly cheaper fares, look for a time when demand is lower.
What day of the week has the most flights from BOS to DEN?
Friday offers the most flights from Logan Intl. Airport (BOS) to Denver Intl. Airport (DEN). Consider traveling on this day and you'll have a greater chance of finding a schedule that works for you.
What is the earliest flight from Logan Intl. Airport (BOS) to Denver Intl. Airport (DEN)?
The earliest flight departing from Logan Intl. Airport (BOS) is at around 5:00AM UTC-5. Hop on this flight and you'll touch down at Denver Intl. Airport (DEN) at approximately 7:55AM UTC-7. The total flight duration is 4h 55m.
How long does it take to fly from Logan Intl. Airport (BOS) to Denver Intl. Airport (DEN)?
The average flight time from BOS to DEN is 4 hours and 51 minutes, covering a total distance of 1,750 mi.
What airline has the least delays from BOS to DEN?
With 80% of flights generally arriving on schedule, United Airlines has the best on-time performance for direct flights from Logan Intl. Airport (BOS) to Denver Intl. Airport (DEN). To monitor your flight status and receive notifications about any changes, simply head to the Expedia App.
What is the best time to fly from Logan Intl. Airport (BOS) to Denver Intl. Airport (DEN)?
To arrive at Denver Intl. Airport (DEN) on time, pick a flight that leaves from Logan Intl. Airport (BOS) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Denver from Logan Intl. Airport (BOS)?
If you're boarding a direct flight from Logan Intl. Airport (BOS) to Denver, Denver Intl. Airport (DEN) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Denver Intl. Airport (DEN) last-minute?
Last-minute bookings from BOS to DEN are generally more expensive. For the cheapest rates, start looking for flights well in advance. That said, if you're flexible with your travel dates, you may land a cheap fare right before your journey.
Is it cheaper to book a BOS to DEN flight and hotel package?
Compared with arranging flights and hotels separately, booking a BOS to DEN flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the hassle out of planning your trip. Simply secure your flights and choose from our wide range of hotels, then customize your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Denver Intl. Airport (DEN)?
If you booked your BOS to DEN flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket 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, visit our Customer Service portal for more details.

Book with confidence

Boston to Denver Flights

The cheapest times to fly from Boston to Denver

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 Boston to Denver are during the month of December. You can find some of the cheapest flights from Boston to Denver with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Denver

Sunday is one of the best days to book for cheap flights from Boston to Denver: 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 Boston to Denver

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 Boston to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $65 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 Boston to Denver 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 Boston to Denver 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.

 

Boston to Denver Flights

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*Available to One Key members.