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Flights from Boston to Denver

Boston and Denver are about 2,820 km apart, and the scheduled nonstop flight takes about 4 h 41 min. Southwest Airlines has a nonstop flight on this route. You compare the fares in one search and book with the airline or travel agency you choose, so you see the final price before you pay.

Search Boston to Denver flights

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Updated 21 October 2026

Nonstop flights from Boston to Denver

Boston and Denver are about 2,820 km apart, and the scheduled nonstop flight takes about 4 h 41 min. The distance is the great-circle distance between the two airports, so the route a flight actually flies is a little longer. The flight arrives at DEN.

The route at a glance
FactDetail
FromBoston (BOS)
ToDenver (DEN)
DistanceAbout 2820 km
Time in the airAbout 4 h 41 min
Airlines on the routeSouthwest Airlines

Airlines that fly from Boston to Denver

Southwest Airlines has a nonstop flight on this route. The scheduled time comes from the published schedule, checked on 22 October 2026.

Return flights: Denver to Boston

More flights from Boston

More flights to Denver

The airports of the route

How to book

Morsilla Travel compares the fares in one search. When you pick a ticket you finish with the airline or travel agency you choose, so you see the baggage allowance and the payment options before you pay. We do not change the price of your ticket.

Sources

Frequently asked questions

How long is the flight from Boston to Denver?

The scheduled nonstop flight takes about 4 h 41 min. The two airports are about 2,820 km apart, measured as the great-circle distance between them.

Which airlines fly this route nonstop?

Southwest Airlines has a nonstop flight on this route. The Morsilla Travel search compares the fares of that airline.

Which airports do the flights from Boston to Denver use?

They leave from BOS and arrive at DEN. The check-in, the security and the baggage claim all happen in the terminals of those two airports.