Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Denver to Boston
The cheapest flights right now
Denver – Boston
Outbound – Dec 6, 2026
direct
3h 53m Return – Dec 12, 2026
direct
4h 48m $287
3 days ago
Denver – Boston
Outbound – Dec 17, 2026
direct
3h 58m Return – Dec 26, 2026
direct
4h 54m $312
today
Denver – Boston
Outbound – Dec 17, 2026
direct
3h 58m Return – Dec 26, 2026
direct
4h 54m $311
today
Denver – Boston
Outbound – Dec 25, 2026
direct
3h 47m Return – Jan 1, 2027
direct
4h 47m $305
yesterday
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Today’s flight suggestion for Denver - Boston
Outbound December 24, 2026 · Inbound December 31, 2026
Today’s suggestion
7:06 PM
DEN 7:43 AM +1
BOS10h 37m
1 stop
8:05 PM
BOS 10:52 PM
DEN4h 47m
Direct
From $303
4:32 PM
DEN 10:20 PM
BOS3h 48m
Direct
8:05 PM
BOS 10:52 PM
DEN4h 47m
Direct
From $305
11:59 PM
DEN 5:46 AM +1
BOS3h 47m
Direct
8:05 PM
BOS 10:52 PM
DEN4h 47m
Direct
From $305
Cheapest flight tickets
$185
Average price of a round trip
$273
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
3h59
A flight from Denver to Boston takes on average 3h59.
Best time
May
According to user searches, the ideal month to go to Boston is May.
What is the cheapest month for this flight?
Monthly price data (Table View)
November
Nov
$270
December
Dec
$289
January
Jan
$207
February
Feb
$0
March
Mar
$0
April
Apr
$431
May
May
June
Jun
$0
July
Jul
$0
August
Aug
$220
September
Sep
$237
October
Oct
$224
* The prices shown are an average per month of the prices found by Liligo users during the last 30 days.
The best flight deals for a week
Denver – Boston
Outbound – Dec 6, 2026
direct
3h 53m Return – Dec 12, 2026
direct
4h 48m $287
3 days ago
Denver – Boston
Outbound – Dec 25, 2026
direct
3h 47m Return – Jan 1, 2027
direct
4h 47m $305
yesterday
Denver – Boston
Outbound – Dec 25, 2026
direct
3h 48m Return – Dec 31, 2026
direct
4h 46m $401
yesterday
Denver – Boston
Outbound – Dec 25, 2026
direct
3h 47m Return – Dec 31, 2026
direct
4h 46m $400
yesterday
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Tips for finding a cheap flight from Denver to Boston
Check out our tips for booking your flight to Boston (USA) from Denver (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is January, with an average flight ticket price of $208 (calculation over the last two years). The most touristic season corresponds to the months of October, November and September.
For the cheapest flights, it is advisable to buy your ticket at least 17 days before the departure date.
The airline offering the cheapest flight tickets is Southwest Airlines. A ticket from the airline Southwest Airlines to Boston costs on average $282.
The airlines that offer the most flights are JetBlue, United Airlines and Southwest Airlines.
Price of flight tickets from Denver to Boston
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $185 to $391
- The average price of a flight ticket is about $273
- Prices are lowest for stays in the month of January
- The month in which booking a ticket is cheaper is: November
info departure city :
Denver, USA
airports :
Denver International Airport (DEN)
Rocky Mountain Airport (BJC)
Centennial Airport (APA)
local time :
Denver is a city in the country USA, the time zone is [[timezone]]. In Denver, it is currently {fromLocalTime}, the temperature is on average 10°C, with a minimum of 6°C and a maximum of 17°C.
The city of Denver has 3 airport(s): Denver, Rocky Mountain and Centennial
destination info :
Boston, USA
airport :
Boston-Logan International Airport (BOS)
local time :
Boston is in the country USA, the time zone is [[timezone]]. In Boston, it is currently {toLocalTime}, the temperature is on average 5°C, with a minimum of 3°C and a maximum of 8°C.
The city of Boston has 1 airport(s): Boston-Logan
Useful info about Boston
What is the least touristic period to go to Boston?
If you want to visit Boston during the least touristic period, choose the month of May.
What is the most popular time to travel to Boston?
In Boston, the most popular month is October. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Denver to Boston?
According to our data, it is recommended to book your flight 17 days before your departure. If you book your flight ticket 3 weeks before your departure, you may find a price below average. The cheapest day to book a flight from Denver to Boston is Tuesday.
What are the arrival and destination airports when traveling between Denver and Boston?
When you leave, you can leave from Denver, and you will arrive at Boston-Logan.
How to reach Denver airport from the city centre?
The airport Denver is located 34 km, Rocky Mountain is located 21 km or Centennial is located 21 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Are there other means of transportation to go from Denver to Boston?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Denver and Boston?
In summer, the average temperature is 22°C in Boston and 22°C in Denver. The average rainfall in summer is 106 mm in Boston and 50 mm in Denver. In summer, it is warmer in Boston and it rains less in Denver. In winter, it is colder in Boston and it rains more in Boston.
