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Cheap flights from Denver to Boston

Fares from $131 in December 2026. Compare every month below, then book with the site you like.

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Cheapest Denver to Boston fares by month

Lowest price per person found in recent searches. Prices change often and are checked when you book.

Denver to Boston at a glance

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Frequently asked questions

How much is a flight from Denver to Boston?
The cheapest fare we found recently is $131 per person, departing Dec 24 on Frontier. Prices change daily, so search your dates to see today's fares.
What is the cheapest month to fly from Denver to Boston?
December 2026 is currently the cheapest month, from $131. November 2026 is the most expensive, from $193.
Are there direct flights from Denver to Boston?
The cheapest fares we found recently have at least one stop. Nonstop flights may still exist at a higher price; tick "Direct only" in the search to check.
Which airlines fly from Denver to Boston?
The cheapest recent fares on this route were on American Airlines, Frontier.
How long is the flight from Denver to Boston?
Denver and Boston are about 1,749 miles apart, so a nonstop flight takes roughly 4h 15m. Flights with a stop take longer, depending on the connection.
How do I find the cheapest flight from Denver to Boston?
Search your dates on Gotoesy. We list fares from several booking sites sorted cheapest first, show nearby dates when your day has no saved fare, and send you straight to the seller to book.

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