Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Montreal to Washington
The cheapest flights right now
Montreal – Washington
Outbound – Nov 27, 2026
direct
1h 59m Return – Nov 29, 2026
direct
1h 57m $405
2 days ago
Montreal – Washington
Outbound – Nov 27, 2026
direct
1h 58m Return – Nov 29, 2026
direct
1h 46m $468
2 days ago
* 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.
Cheapest flight tickets
$212
Average price of a round trip
$367
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
1h58
A flight from Montreal to Washington takes on average 1h58.
Best time
October
According to user searches, the ideal month to go to Washington is October.
What is the cheapest month for this flight?
Monthly price data (Table View)
November
Nov
$0
December
Dec
$217
January
Jan
$0
February
Feb
$309
March
Mar
$170
April
Apr
$0
May
May
$169
June
Jun
$257
July
Jul
$254
August
Aug
$267
September
Sep
$0
October
Oct
$0
* 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 weekend
Montreal – Washington
Outbound – Nov 27, 2026
direct
1h 59m Return – Nov 29, 2026
direct
1h 57m $405
2 days ago
Montreal – Washington
Outbound – Nov 27, 2026
direct
1h 58m Return – Nov 29, 2026
direct
1h 46m $468
2 days ago
* 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 Montreal to Washington
Check out our tips for booking your flight to Washington (USA) from Montreal (Canada) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is May, with an average flight ticket price of $169 (calculation over the last two years). The most touristic season corresponds to the months of April, September and November.
For the cheapest flights, it is advisable to buy your ticket at least 13 days before the departure date.
The airline offering the cheapest flight tickets is United Airlines. A ticket from the airline United Airlines to Washington costs on average $368.
The airlines that offer the most flights are Air Canada, United Airlines and Air Canada.
info departure city :
Montreal, Canada
airports :
Mirabel International Airport (YMX)
Montreal-Trudeau International Airport (YUL)
Saint-Hubert Airport (YHU)
local time :
Montreal is a city in the country Canada, the time zone is [[timezone]]. In Montreal, it is currently {fromLocalTime}, the temperature is on average 8°C, with a minimum of 6°C and a maximum of 10°C.
The city of Montreal (YMQ) has 3 airport(s): Mirabel, Montreal-Trudeau and Saint-Hubert
destination info :
Washington, USA
airports :
Ronald Reagan Washington National Airport (DCA)
Dulles International Airport (IAD)
College Park Airport (CGS)
local time :
Washington is in the country USA, the time zone is [[timezone]]. In Washington, it is currently {toLocalTime}, the temperature is on average 13°C, with a minimum of 9°C and a maximum of 17°C.
The city of Washington (WAS) has 3 airport(s): Ronald Reagan Washington, Dulles and College Park
Useful info about Washington
What is the least touristic period to go to Washington?
If you want to visit Washington during the least touristic period, choose the month of October.
What is the most popular time to travel to Washington?
In Washington, the most popular month is April. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Montreal to Washington?
According to our data, it is recommended to book your flight 13 days before your departure. If you book your flight ticket 2 weeks before your departure, you may find a price below average. You can also choose morning flights that are 100% cheaper than afternoon and evening flights. The cheapest day to book a flight from Montreal to Washington is Tuesday.
What are the arrival and destination airports when traveling between Montreal and Washington?
When you leave, you can leave from Montreal-Trudeau, and you will arrive at Ronald Reagan Washington or Dulles.
How to reach Montreal airport from the city centre?
The airport Mirabel is located 48 km, Montreal-Trudeau is located 18 km or Saint-Hubert is located 14 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 Montreal to Washington?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Montreal and Washington?
In summer, the average temperature is 25°C in Washington and 20°C in Montreal. The average rainfall in summer is 133 mm in Washington and 130 mm in Montreal. In summer, it is warmer in Washington and it rains less in Montreal. In winter, it is colder in Washington and it rains more in Washington.
