Statistics on Montreal-Washington D. C. flights: what is the right price and when to buy your plane ticket?
Best time to go: what is the RIGHT price for a round-trip flight to Washington D. C. (from: Montreal)
The average price to go to Washington D. C. from Montreal airport is $ 404 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 379 (in march) and $ 434 (in july), which is a saving of $ 25 or a surplus of $ 31 (compared to the average price) depending on the period you leave.
The analysis of all prices reveals that the most frequent price is between $378 to $432 and it is generally more economical to leave on a wednesday and return on a tuesday on a flight with 1 or more layovers.
Be careful, the cheapest months may correspond to unfavorable weather periods . Check out our page best time to go to Washington D. C. before booking your flight.
If you want to know when to book your flight at the best price, go straight to the second part of this page: When to buy your Montreal-Washington D. C. plane ticket.
How are these data calculated?
We have studied a sample of 60005 airfare prices from previous years for flights to Washington D. C. from Montreal and can thus establish precise and credible price variation trends based on different parameters. Of course, prices can vary from year to year, but the seasonal aspect of this data (recurrence of school holidays, events... from year to year) makes these statistics quite reliable.
Average price depending on the departure month
Data analysis:
By leaving in march, the price of the plane ticket will statistically be the cheapest ($ 379, saving $ 25 compared to the average price over the year which is $ 404). Conversely, july will be the most expensive ($ 434).
Flight Montreal-Washington D. C.: when is the best time to go for the best price?
| Month | Good price* | Average price | Our opinion |
|---|---|---|---|
| January | $ 361 | $ 405 | fair price |
| February | $ 344 | $ 385 | fair price |
| March | $ 336 | $ 379 the cheapest | very good price |
| April | $ 334 | $ 387 | fair price |
| May | $ 346 | $ 391 | fair price |
| June | $ 384 | $ 430 | fair price |
| July | $ 397 | $ 434 the most expensive | very high price |
| August | $ 361 | $ 421 | fair price |
| September | $ 344 | $ 396 | fair price |
| October | $ 357 | $ 401 | fair price |
| November | $ 347 | $ 398 | fair price |
| December | $ 364 | $ 421 | fair price |
*great price to buy your plane ticket: if you see this price or cheaper during your flight search, go for it and buy it!
Price breakdown to travel from Montreal to Washington D. C.
Data analysis:
The prices for flights from Montreal to Washington D. C. range from $216 to $648. 6% of tickets were purchased at the minimum price (from $216 to $270), 1% at the maximum price (from $594 to $648). The majority of plane tickets were purchased in the range of $378 to $432 (28% of tickets).
Cheapest airlines for the Montreal->Washington D. C. flight
There are 4 companies that serve Montreal from Washington D. C. airport: Porter Airlines, United, Air Canada and WestJet.
Data analysis:
Of the 60005 flights analyzed in previous years, Porter Airlines was the airline that offered the best fare most often in the flight ticket search results (37% of the time) on the Montreal->Washington D. C. route.
Direct flight or flight with layover?
Data analysis:
To get the best price for the Montreal-Washington D. C. flight, you should take a flight with one or more layovers (you will save an average of $ 24 compared to a direct flight).
Which day of the week to leave?
Data analysis:
Statistically, Montreal-Washington D. C. flights departing on a wednesday are cheaper than on other days of the week. By choosing a wednesday as your departure date, you can save an average of $18. On the other hand, departing on a monday may cost you an additional $22.
Which day of the week to come back?
Data analysis:
Statistically, return flights from Washington D. C. to Montreal departing on a tuesday are cheaper than on other days of the week. By choosing a tuesday for your return date, you will save an average of $20. Conversely, departing from Washington D. C. on a friday may cost you an additional $26.
Top prices Montreal-Washington D. C.
| Round trip | Dates | Price | |
|---|---|---|---|
| Montreal → Washington D. C. | 01-05 to 12-05-2025 | $ 207 | direct flight with Air Canada |
| Montreal → Washington D. C. | 02-05 to 09-05-2025 | $ 178 | layover flight with Porter Airlines |
| Montreal → Washington D. C. | 11-05 to 15-05-2025 | $ 225 | direct flight with Air Canada |
| Montreal → Washington D. C. | 02-06 to 09-06-2025 | $ 179 | layover flight with Porter Airlines |
| Montreal → Washington D. C. | 04-06 to 11-06-2025 | $ 178 | layover flight with Porter Airlines |
| Montreal → Washington D. C. | 10-06 to 17-06-2025 | $ 204 | layover flight with Porter Airlines |
| Montreal → Washington D. C. | 14-06 to 21-06-2025 | $ 178 | layover flight with Porter Airlines |
| Montreal → Washington D. C. | 18-06 to 22-06-2025 | $ 210 | direct flight with Air Canada |
| Montreal → Washington D. C. | 19-06 to 26-06-2025 | $ 224 | layover flight with Porter Airlines |
| Montreal → Washington D. C. | 20-06 to 24-06-2025 | $ 226 | direct flight with Air Canada |
When to book your flight Montreal - Washington D. C. to get the cheapest price?
Statistically, you will make the biggest savings by buying your plane ticket between 2 to 3 months in advance. However, you may end up paying a high price if you book between 11 to 12 months in advance.
Did you know: the price of plane tickets not only varies depending on how far in advance you book, but also on the day of the week you book! So, to maximize your chances of getting the best price for a Montreal-Washington D. C. flight, it is recommended to book your ticket on a tuesday.
How far in advance should I buy my flight?
Data analysis:
To get the cheapest flight ticket from Montreal to Washington D. C., it is recommended to buy it 2 to 3 months before departure (it is then on average 340 $, which is a saving of 64 $ compared to the overall average price). On the other hand, if you buy your ticket 11 to 12 months in advance, you will pay the full price (312 $ more than the average price).
Depending on the departure month
The best time to buy your Montreal to Washington D. C. flight ticket may vary depending on your departure month. Therefore, we offer you statistics on when to book your flight month by month.
| Departure on... | How far in advance should I book? |
|---|---|
| January | Best time: 1 to 2 months before departure (average price: 345 $) Other interesting period(s): 2 to 3 months ($ 359), 3 to 4 months ($ 380), 4 to 5 months ($ 391), 6 to 7 months ($ 405) |
| February | Best time: 1 to 2 months before departure (average price: 316 $) Other interesting period(s): 2 to 3 months ($ 326), 3 to 4 months ($ 353), 5 to 6 months ($ 376) |
| March | Best time: 1 to 2 months before departure (average price: 313 $) Other interesting period(s): 2 to 3 months ($ 325), 3 to 4 months ($ 326), 6 to 7 months ($ 375) |
| April | Best time: 2 to 3 months before departure (average price: 293 $) Other interesting period(s): 1 to 2 months ($ 299), 3 to 4 months ($ 330), 4 to 5 months ($ 364), 7 to 8 months ($ 386) |
| May | Best time: 3 to 4 months before departure (average price: 316 $) Other interesting period(s): 1 to 2 months ($ 351), 2 to 3 months ($ 324), 4 to 5 months ($ 390) |
| June | Best time: 3 to 4 months before departure (average price: 352 $) Other interesting period(s): 1 to 2 months ($ 403), 2 to 3 months ($ 385), 4 to 5 months ($ 363), 5 to 6 months ($ 419), 6 to 7 months ($ 424), 9 to 10 months ($ 430) |
| July | Best time: 1 to 2 months before departure (average price: 389 $) Other interesting period(s): 2 to 3 months ($ 397), 3 to 4 months ($ 430), 4 to 5 months ($ 419), 5 to 6 months ($ 430), 6 to 7 months ($ 420), 7 to 8 months ($ 424), 10 to 11 months ($ 393) |
| August | Best time: 2 to 3 months before departure (average price: 360 $) Other interesting period(s): 1 to 2 months ($ 376), 3 to 4 months ($ 369), 4 to 5 months ($ 411), 5 to 6 months ($ 408), 10 to 11 months ($ 420) |
| September | Best time: 1 to 2 months before departure (average price: 321 $) Other interesting period(s): 2 to 3 months ($ 326), 3 to 4 months ($ 323), 4 to 5 months ($ 340) |
| October | Best time: 1 to 2 months before departure (average price: 339 $) Other interesting period(s): 2 to 3 months ($ 351), 3 to 4 months ($ 371), 4 to 5 months ($ 375), 5 to 6 months ($ 386) |
| November | Best time: 1 to 2 months before departure (average price: 317 $) Other interesting period(s): 2 to 3 months ($ 318), 3 to 4 months ($ 348), 4 to 5 months ($ 373), 5 to 6 months ($ 384), 6 to 7 months ($ 380) |
| December | Best time: 1 to 2 months before departure (average price: 359 $) Other interesting period(s): 2 to 3 months ($ 372), 3 to 4 months ($ 390), 4 to 5 months ($ 385), 5 to 6 months ($ 392), 6 to 7 months ($ 402), 7 to 8 months ($ 417) |
What day of the week should I book my flight ticket?
Data analysis:
Statistically, tuesday is the day when plane tickets for Montreal->Washington D. C. are the cheapest. So, by buying your plane ticket on a tuesday, you will save $4. Conversely, by buying it on a friday, you may end up paying $6 more.
Montreal to Washington D. C.: flight price when booking today
Information: this data is not statistics but comes from real prices collected less than 7 days ago. Some months may not be available as we do not have enough data for them.
| Month | Current price | Our opinion | |
|---|---|---|---|
| April 2025 | $ 357 $242 to $600 | very good price | Find a flight |
| May 2025 | $ 267 $176 to $609 | very good price | Find a flight |
| June 2025 | $ 284 $178 to $543 | very good price | Find a flight |
| July 2025 | $ 367 $321 to $672 | very good price | Find a flight |
| August 2025 | $ 344 $321 to $544 | very good price | Find a flight |
| September 2025 | $ 377 $310 to $452 | very good price | Find a flight |
| October 2025 | $ 421 $365 to $523 | high price | Find a flight |
| November 2025 | $ 437 $408 to $452 | high price | Find a flight |
| December 2025 | $ 438 $408 to $452 | high price | Find a flight |
| January 2026 | $ 446 $415 to $452 | high price | Find a flight |
| February 2026 | $ 441 $416 to $474 | high price | Find a flight |
| March 2026 | $ 433 $418 to $490 | high price | Find a flight |
Data analysis:
Compared to the average price, april, may, june, july, august and september are cheaper to travel to Washington D. C.. So it may be interesting to book now to leave during these months!