$133 Cheap Frontier Airlines flights Denver (DEN) to Boston (BOS)

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$133 Cheap Frontier Airlines flights Denver (DEN) to Boston (BOS)

Prices were available within the past 7 days and start at $133 for one-way flights and $218 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
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
Popular airline
JetBlue Airways
Distance
1749 mi
Average flight time
5 hours 59 mins

Frequently asked questions

How much is a Frontier Airlines flight from Denver Intl. Airport (DEN) to Logan Intl. Airport (BOS)?
You'll find affordable round-trip Frontier Airlines flights from $218 from DEN to BOS by sorting your results from "Price (lowest to highest)" on Expedia. Or search for deals from $133 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DEN to BOS with Frontier Airlines?
January is one of the most affordable months to fly to Boston with Frontier Airlines. You could also find excellent prices on return and one-way fares in February.
What is the cheapest time to book flights from Denver Intl. Airport (DEN) to Logan Intl. Airport (BOS) with Frontier Airlines?
Begin your search one to three months ahead of your departure date to find cheap fares on Frontier Airlines flights from Denver Intl. Airport (DEN) to Logan Intl. Airport (BOS). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Frontier Airlines fly nonstop from Denver Intl. Airport (DEN) to Logan Intl. Airport (BOS)?
Enter your dates, press search and use the "Nonstop" filter on Expedia to browse any direct flights from DEN to BOS with Frontier Airlines or another carrier.
What is the earliest Frontier Airlines flight from DEN to BOS?
Filter your results by "Early Morning" and "Morning" to browse the earliest flights from DEN to BOS. Taking off early means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Frontier Airlines fly into in Boston?
Frontier Airlines flights from Denver Intl. Airport (DEN) to Boston touch down at Logan Intl. Airport (BOS). This is the main gateway here.
Why fly with Frontier Airlines from DEN to BOS?
Depart from DEN to BOS with Frontier Airlines and you can look forward to a range of perks starting with a rewarding loyalty program. When you book through Expedia as a Frontier Miles and One Key™ member, you could also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Frontier Airlines flight from Denver Intl. Airport (DEN) to Logan Intl. Airport (BOS)?
Changes are typically free within 24 hours of making your booking, but your airline may charge you after that time. For more information about altering your reservation, check out your "Trips," select your flight and click on "Manage Booking." If you want the freedom to change your itinerary without additional costs, apply the "Changes included" and "No cancel fee" filters when organizing your next adventure.

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*Available to One Key members.