Cheap Flights from Denver, CO to Boston, MA from $86

Return flight: Boston – Denver

On Cheapflightsplus.com you will find 12 direct and 260 connecting flights from Denver to Boston. You can compare airfare deals from 8 airlines and multiple travel sites from $86, book and save on cheap plane tickets and last minute offers. Also check out DEN-BOS flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Denver to Boston Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $86 (one-way), $147 (round-trip).
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Full flight schedule will help you in detecting at what time planes fly from Denver to Boston. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
06:01 — 12:03
06:01 — 12:03 UA642 United Airlines
Denver — Boston
4h 2m
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from$120
08:09 — 14:11
08:09 — 14:11 UA558 United Airlines
Denver — Boston
4h 2m
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from$150
09:46 — 15:45
09:46 — 15:45 UA2461 United Airlines
Denver — Boston
3h 59m
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from$125
13:50 — 19:53
13:50 — 19:53 UA1292 United Airlines
Denver — Boston
4h 3m
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from$120
13:50 — 19:53
13:50 — 19:53 UA1418 United Airlines
Denver — Boston
4h 3m
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from$120
14:00 — 20:01
14:00 — 20:01 UA597 United Airlines
Denver — Boston
4h 1m
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from$117
14:00 — 20:01
14:00 — 20:01 UA645 United Airlines
Denver — Boston
4h 1m
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from$121
15:55 — 21:55
15:55 — 21:55 UA716 United Airlines
Denver — Boston
4h
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from$126
17:43 — 23:46
17:43 — 23:46 UA1691 United Airlines
Denver — Boston
4h 3m
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from$121
17:52 — 23:55
17:52 — 23:55 UA503 United Airlines
Denver — Boston
4h 3m
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from$120
23:59 — 05:59
+1 day
23:59 — 05:59 UA2610 United Airlines
Denver — Boston
4h
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from$120
23:59 — 06:01
+1 day
23:59 — 06:01 UA297 United Airlines
Denver — Boston
4h 2m
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from$120
06:00 — 14:40
06:00 — 09:41 UA1377 United Airlines
Denver — Chicago
1h 24m stop
11:46 — 15:23 UA399 United Airlines
Chicago — Boston
6h 40m
including layover
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from$123
07:45 — 17:01
07:45 — 11:14 UA1720 United Airlines
Denver — Houston
46m stop
12:00 — 17:01 UA320 United Airlines
Houston — Boston
7h 16m
including layover
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from$123
07:45 — 17:47
07:45 — 11:12 UA1720 United Airlines
Denver — Houston
1h 39m stop
12:51 — 17:47 UA257 United Airlines
Houston — Boston
8h 2m
including layover
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from$124
08:00 — 16:29
08:00 — 13:45 UA1994 United Airlines
Denver — Newark
1h 25m stop
15:10 — 16:29 UA2359 United Airlines
Newark — Boston
6h 29m
including layover
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from$123
08:30 — 00:39
+1 day
08:00 — 13:34 F92748 Frontier Airlines
Denver — Tampa
7h 21m stop
05:04 — 08:18 F91216 Frontier Airlines
Tampa — Boston
14h 9m
including layover
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from$96
09:36 — 17:46
09:36 — 13:12 UA2329 United Airlines
Denver — Chicago
1h 3m stop
14:15 — 17:46 UA1693 United Airlines
Chicago — Boston
6h 10m
including layover
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from$124
09:47 — 08:33
+1 day
09:08 — 14:53 F93312 Frontier Airlines
Denver — Orlando
13h 58m stop
05:30 — 08:40 F93348 Frontier Airlines
Orlando — Boston
20h 46m
including layover
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from$102
10:11 — 19:53
09:42 — 15:25 UA2058 United Airlines
Denver — Newark
2h 32m stop
19:15 — 20:38 UA1332 United Airlines
Newark — Boston
7h 42m
including layover
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from$124
11:05 — 12:00
+1 day
11:05 — 16:33 F92440 Frontier Airlines
Denver — Raleigh
17h 17m stop
09:50 — 12:00 F93058 Frontier Airlines
Raleigh — Boston
22h 55m
including layover
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from$109
11:25 — 19:18
11:25 — 15:05 UA2865 United Airlines
Denver — Chicago
43m stop
15:59 — 19:29 UA1677 United Airlines
Chicago — Boston
5h 53m
including layover
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from$123
12:30 — 20:40
12:30 — 18:25 UA1877 United Airlines
Denver — Newark
50m stop
19:57 — 21:22 UA1397 United Airlines
Newark — Boston
6h 10m
including layover
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from$123
12:30 — 23:10
12:30 — 18:25 UA1877 United Airlines
Denver — Newark
3h 20m stop
21:45 — 23:10 UA472 United Airlines
Newark — Boston
8h 40m
including layover
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from$123
15:54 — 23:59
15:40 — 21:06 UA798 United Airlines
Denver — Washington D.C.
58m stop
22:18 — 23:59 UA755 United Airlines
Washington D.C. — Boston
6h 5m
including layover
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from$123
16:05 — 09:46
+1 day
16:05 — 21:00 G4226 Allegiant Air
Denver — Fletcher
10h 35m stop
07:35 — 09:46 G4269 Allegiant Air
Fletcher — Boston
15h 41m
including layover
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from$92
16:10 — 00:52
+1 day
16:10 — 19:50 UA213 United Airlines
Denver — Chicago
1h 32m stop
21:22 — 00:52 UA1779 United Airlines
Chicago — Boston
6h 42m
including layover
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from$124
18:44 — 09:11
+1 day
18:21 — 23:14 G4226 Allegiant Air
Denver — Fletcher
7h 21m stop
07:00 — 09:12 G4228 Allegiant Air
Fletcher — Boston
12h 27m
including layover
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from$92
21:15 — 10:57
+1 day
19:51 — 23:13 F92632 Frontier Airlines
Denver — Dallas
5h 36m stop
06:00 — 10:52 F93602 Frontier Airlines
Dallas — Boston
11h 42m
including layover
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from$86
23:30 — 07:59
+1 day
23:30 — 05:10 F93340 Frontier Airlines
Denver — Philadelphia
1h 21m stop
06:27 — 08:06 F92168 Frontier Airlines
Philadelphia — Boston
6h 29m
including layover
Find flight
from$97
23:59 — 10:05
+1 day
23:58 — 05:33 F91114 Frontier Airlines
Denver — Tampa
1h 24m stop
05:30 — 08:44 F91216 Frontier Airlines
Tampa — Boston
8h 6m
including layover
Find flight
from$86
*Departure and arrival times - local. Updated on June 22, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Denver to Boston depends on and how to choose the most interesting flight option for you.

Distance between Denver and Boston is 2816 miles. Time difference between the cities is 2h. Airplanes depart 05:02 to 23:59 from 2 Denver airports and arrive 05:02 to 23:59 to 4 Boston airports. Average flight time is 4h 2m.

  • The fastest flight 3h 59m
  • Average flight time 4h 2m
  • The earliest flight 05:02
  • The latest flight 23:59
  • Distance 1750 ml

The cheapest months to travel to Boston are july (from 115 $), may (from 122 $), june (from 122 $).

The most expensive months are january (from 263 $), november (from 202 $), december (from 196 $).

What is the lowest airfare Denver to Boston?

The cheapest plane ticket found by our users is $86. This airfare is for economy class on one-way F91114 flight by Frontier Airlines for July 13, 2025 which leaves Denver International in Denver at 23:59 am and arrives at Boston Logan at 10:05.

Economy class
$86
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Business class
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First class
?
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Popular Airlines on the Route

The flight Denver — Boston is served by 8 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by United Airlines - 175 departures per week at the price of from $ 117 . And the most expensive tickets are offered by Turkish Airlines airline - from $ 925.

Direct flights

There are 12 nonstop flights on the route. The fastest direct flight is UA2461 by United Airlines takes 3h 59m and the cheapest is F91114 by Frontier Airlines for $117.

See more direct flights

Connecting Flights

There are 260 flights with layovers on the route. The fastest connecting flight is SY658 by Sun Country Airlines takes 5h 38m and the cheapest is F91114 by Frontier Airlines for $86.

  • from $123
    Find
  • AS - Alaska Airlines
    from $160
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  • F9 - Frontier Airlines
    from $86
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  • SY - Sun Country Airlines
    from $136
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  • TK - Turkish Airlines
    from $925
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  • HA - Hawaiian Airlines
    from $155
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  • MX - Mexicana
    from $331
    Find
  • G4 - Allegiant Air
    from $92
    Find
See more connecting flights

Airports

You can fly from Denver to Boston from 2 airports (Denver International, Arapahoe Co).

Denver airports

  • Denver International-DEN
    from $86
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  • Arapahoe Co-APA
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Boston airports

  • Boston City Heliport-JBC
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  • Boston RT128 Rail-ZRU
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  • Boston South Rail-ZTO
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  • Logan-BOS
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How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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