United Airlines Denver to Boston Flights

Return flight: Boston – Denver

Cheapflightsplus.com will find cheap United Airlines flights from Denver to Boston. Compare airline ticket prices and book air tickets starting from $114 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of United Airlines, arrivals and departure details below.

Find Cheap Airfare Denver (CO) — Boston (MA) by United Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in june: one-way - $114, two-way – $195.
Direct flights
  • Check to choose departure date Check to choose departure date
Check prices for return flight
Find flights
Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
Departure Arrival Flight Details Flight Time Price
11:59 pm — 5:59 am
+1 day
11:59 pm — 5:59 am UA2610 United Airlines
Denver — Boston
4h
Find flight
from$118
11:59 pm — 6:01 am
+1 day
11:59 pm — 6:01 am UA297 United Airlines
Denver — Boston
4h 2m
Find flight
from$118
1:50 pm — 7:53 pm
1:50 pm — 7:53 pm UA1292 United Airlines
Denver — Boston
4h 3m
Find flight
from$118
1:50 pm — 7:53 pm
1:50 pm — 7:53 pm UA1418 United Airlines
Denver — Boston
4h 3m
Find flight
from$118
2:00 pm — 8:01 pm
2:00 pm — 8:01 pm UA597 United Airlines
Denver — Boston
4h 1m
Find flight
from$114
2:00 pm — 8:01 pm
2:00 pm — 8:01 pm UA645 United Airlines
Denver — Boston
4h 1m
Find flight
from$119
3:55 pm — 9:55 pm
3:55 pm — 9:55 pm UA716 United Airlines
Denver — Boston
4h
Find flight
from$124
4:02 pm — 10:00 pm
4:02 pm — 10:00 pm UA1027 United Airlines
Denver — Boston
3h 58m
Find flight
from$118
5:43 pm — 11:46 pm
5:43 pm — 11:46 pm UA1691 United Airlines
Denver — Boston
4h 3m
Find flight
from$119
5:50 pm — 11:53 pm
5:50 pm — 11:53 pm UA1218 United Airlines
Denver — Boston
4h 3m
Find flight
from$119
5:52 pm — 11:55 pm
5:52 pm — 11:55 pm UA503 United Airlines
Denver — Boston
4h 3m
Find flight
from$118
6:00 am — 12:02 pm
6:00 am — 12:02 pm UA2454 United Airlines
Denver — Boston
4h 2m
Find flight
from$146
6:01 am — 12:03 pm
6:01 am — 12:03 pm UA642 United Airlines
Denver — Boston
4h 2m
Find flight
from$118
8:09 am — 2:11 pm
8:09 am — 2:11 pm UA558 United Airlines
Denver — Boston
4h 2m
Find flight
from$147
9:46 am — 3:45 pm
9:46 am — 3:45 pm UA2461 United Airlines
Denver — Boston
3h 59m
Find flight
from$123
10:10 am — 9:27 pm
10:07 am — 1:38 pm UA2676 United Airlines
Denver — Houston
2h 52m stop
5:03 pm — 10:00 pm UA2439 United Airlines
Houston — Boston
9h 17m
including layover
Find flight
from$122
10:11 am — 7:53 pm
9:42 am — 3:25 pm UA2058 United Airlines
Denver — Newark
2h 32m stop
7:15 pm — 8:38 pm UA1332 United Airlines
Newark — Boston
7h 42m
including layover
Find flight
from$122
12:30 pm — 11:10 pm
12:30 pm — 6:25 pm UA1877 United Airlines
Denver — Newark
3h 20m stop
9:45 pm — 11:10 pm UA472 United Airlines
Newark — Boston
8h 40m
including layover
Find flight
from$121
12:30 pm — 8:40 pm
12:30 pm — 6:25 pm UA1877 United Airlines
Denver — Newark
50m stop
7:57 pm — 9:22 pm UA1397 United Airlines
Newark — Boston
6h 10m
including layover
Find flight
from$121
3:54 pm — 11:59 pm
3:40 pm — 9:06 pm UA798 United Airlines
Denver — Washington D.C.
58m stop
10:18 pm — 11:59 pm UA755 United Airlines
Washington D.C. — Boston
6h 5m
including layover
Find flight
from$121
4:25 pm — 0:59 am
+1 day
4:25 pm — 8:08 pm UA250 United Airlines
Denver — Chicago
1h 24m stop
9:32 pm — 0:59 am UA1779 United Airlines
Chicago — Boston
6h 34m
including layover
Find flight
from$122
6:03 am — 4:29 pm
6:03 am — 11:47 am UA2345 United Airlines
Denver — Newark
3h 23m stop
3:10 pm — 4:29 pm UA2359 United Airlines
Newark — Boston
8h 26m
including layover
Find flight
from$121
7:45 am — 4:19 pm
7:45 am — 1:29 pm UA1536 United Airlines
Denver — Newark
1h 31m stop
3:00 pm — 4:19 pm UA577 United Airlines
Newark — Boston
6h 34m
including layover
Find flight
from$121
7:45 am — 5:01 pm
7:45 am — 11:14 am UA1720 United Airlines
Denver — Houston
46m stop
12:00 pm — 5:01 pm UA320 United Airlines
Houston — Boston
7h 16m
including layover
Find flight
from$121
8:00 am — 4:29 pm
8:00 am — 1:45 pm UA1994 United Airlines
Denver — Newark
1h 25m stop
3:10 pm — 4:29 pm UA2359 United Airlines
Newark — Boston
6h 29m
including layover
Find flight
from$121
8:00 am — 6:56 pm
8:00 am — 1:26 pm UA1536 United Airlines
Denver — Washington D.C.
3h 44m stop
5:10 pm — 6:56 pm UA688 United Airlines
Washington D.C. — Boston
8h 56m
including layover
Find flight
from$121
9:40 am — 5:46 pm
9:40 am — 1:15 pm UA2329 United Airlines
Denver — Chicago
1h stop
2:15 pm — 5:46 pm UA664 United Airlines
Chicago — Boston
6h 6m
including layover
Find flight
from$122
9:42 am — 5:48 pm
9:42 am — 3:25 pm UA2058 United Airlines
Denver — Newark
1h 5m stop
4:30 pm — 5:48 pm UA1701 United Airlines
Newark — Boston
6h 6m
including layover
Find flight
from$122
*Departure and arrival times are local. Last updated on 06/04/2025

Flight Information

There are 15 flights by United Airlines from Denver to Boston every week with departures from Denver International and Arapahoe Co. All flights arrive at Logan, Boston City Heliport, Boston RT128 Rail, Boston South Rail.

Departures start from 10:10 am to 9:46 am. Nonstop flight is 3h 58m. The time difference between Denver and Boston is 2h.

  • The fastest flight 3h 58m
  • Average flight time 4h 2m
  • The earliest flight 10:10 am
  • The latest flight 9:46 am
  • Distance 1750 ml

The cheapest months for traveling to Boston are october (from 153 $), may (from 158 $), july (from 158 $).

The most expensive and popular months are january (from 259 $), november (from 199 $), december (from 193 $).

The cheapest flight by United Airlines that our users were able to find is $114. This airfare is economy class on one-way UA597 flight for October 7, 2025 leaving Denver International in Denver at 2:00 pm, it includes all taxes and additional fees.

Find same flight?

Other Popular Airlines on the Route

Besides United Airlines there are other 7 airline carriers between Denver and Boston. Please review schedules and prices from the most popular airlines to find the best airfare deals from Denver to Boston.

Nonstop flights

There are 15 direct flights every day from Denver. Airlines and fares are below:

See more direct flights

Connecting Flights

List of flights with layovers (1 and more stops):

  • AS - Alaska Airlines
    from $102
    Find
  • F9 - Frontier Airlines
    from $84
    Find
  • SY - Sun Country Airlines
    from $134
    Find
  • TK - Turkish Airlines
    from $911
    Find
  • HA - Hawaiian Airlines
    from $152
    Find
  • MX - Mexicana
    from $326
    Find
  • G4 - Allegiant Air
    from $90
    Find
See more connecting flights

How to book an air 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 airfare.
  • 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.

Back