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Cheap flights from Billings to Montreal Pierre Elliott Trudeau Intl Airport from C$ 372

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
BIL — YUL
28 Aug — 4 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Billings to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

Cheapest flights from Billings to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Billings to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2026.

Tue 25/81:13 p.m.
BIL
-
YUL
1 stop23h 31m
American Airlines
Tue 1/93:45 p.m.
YUL
-
BIL
1 stop22h 56m
American Airlines
Deal found 24/7C$ 724
Sun 1/115:00 a.m.
BIL
-
YUL
2 stops14h 17m
United Airlines
Wed 4/119:15 a.m.
YUL
-
BIL
2 stops13h 59m
United Airlines
Deal found 26/7C$ 782
Thu 27/85:20 a.m.
BIL
-
YUL
2 stops16h 32m
Delta
Thu 3/97:00 a.m.
YUL
-
BIL
2 stops15h 12m
Delta
Deal found 28/7C$ 818
Mon 31/85:57 p.m.
BIL
-
YUL
2 stops18h 43m
United Airlines
Fri 4/99:45 a.m.
YUL
-
BIL
2 stops13h 15m
United Airlines
Deal found 28/7C$ 834
Wed 5/85:20 a.m.
BIL
-
YUL
2 stops16h 32m
Delta
Wed 12/89:30 a.m.
YUL
-
BIL
2 stops16h 00m
Delta
Deal found 24/7C$ 889
Thu 27/84:40 p.m.
BIL
-
YUL
2 stops20h 00m
United Airlines
Thu 3/98:15 a.m.
YUL
-
BIL
1 stop14h 45m
United Airlines
Deal found 28/7C$ 948
Sun 1/117:00 a.m.
BIL
-
YUL
1 stop8h 05m
Air Canada
Wed 4/115:50 p.m.
YUL
-
BIL
1 stop17h 55m
Air Canada
Deal found 25/7C$ 992

Find flight deals from Billings to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Billings (BIL) to Pierre Elliott Trudeau Intl (YUL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 29 July 2026.

Round-trip from

C$ 724

One-way from

C$ 372
American Airlines
  • American Airlines
  • 25/8-1/9
  • 2 total stops
  • 46h 27m total
  • Billings to Montreal
Search Deals
Delta
  • Delta
  • 18/9
  • 2 total stops
  • 16h 24m total
  • Billings to Montreal
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Billings to Pierre Elliott Trudeau Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 29 July 2026.
Use the filters below to find and compare flights from Billings to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BillingsMontreal

BIL - YUL

BILYUL

Billings Logan Intl

Tue 25/8

1:13 p.m.-2:44 p.m.

1 stop23h 31m

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

3:45 p.m.-12:41 p.m.

1 stop22h 56m

C$ 724
Quickest round-trip

BillingsMontreal

BIL - YUL

BILYUL

Billings Logan Intl

Sun 1/11

5:00 a.m.-9:17 p.m.

2 stops14h 17m

Montreal Pierre Elliott Trudeau Intl

Wed 4/11

9:15 a.m.-9:14 p.m.

2 stops13h 59m

C$ 782

BillingsMontreal

BIL - YUL

BILYUL

Billings Logan Intl

Thu 27/8

5:20 a.m.-11:52 p.m.

2 stops16h 32m

Montreal Pierre Elliott Trudeau Intl

Thu 3/9

7:00 a.m.-8:12 p.m.

2 stops15h 12m

C$ 818

BillingsMontreal

BIL - YUL

BILYUL

Billings Logan Intl

Mon 31/8

5:57 p.m.-2:40 p.m.

2 stops18h 43m

Montreal Pierre Elliott Trudeau Intl

Fri 4/9

9:45 a.m.-9:00 p.m.

2 stops13h 15m

C$ 818
Cheapest one-way
Quickest one-way

BillingsMontreal

BIL - YUL

BILYUL

Billings Logan Intl

Fri 18/9

5:20 a.m.-11:44 p.m.

2 stops16h 24m

C$ 372

BillingsMontreal

BIL - YUL

BILYUL

Billings Logan Intl

Fri 18/9

7:29 p.m.-12:25 a.m.

3 stops26h 56m

C$ 512

BillingsMontreal

BIL - YUL

BILYUL

Billings Logan Intl

Thu 17/9

7:29 p.m.-12:25 a.m.

3 stops26h 56m

C$ 536

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

Sorted by cheapest first

Best time to book a flight from Billings to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Billings with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Billings to Pierre Elliott Trudeau Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Billings to Montreal Pierre Elliott Trudeau Intl?

    For a flight from Billings to Montreal Pierre Elliott Trudeau Intl, you will be flying from Billings Logan Intl. Billings Logan Intl (BIL) is just 4.4 km from the centre of the city. Billings Logan Intl is the only Billings airport and it handles 0 outbound flights to Montreal Pierre Elliott Trudeau Intl per day. 0 airlines have flights to Montreal Pierre Elliott Trudeau Intl from Billings Logan Intl on a regular basis.

  • How long is the flight from Billings to Montreal Pierre Elliott Trudeau Intl Airport?

    A quick flight from Billings to Montreal Pierre Elliott Trudeau Intl Airport can take about 14h 17m. American Airlines provides one of the quickest options available for as low as C$ 782. There are 2683 km between Billings and Montreal Pierre Elliott Trudeau Intl Airport. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Billings to Pierre Elliott Trudeau Intl that include hotel bookings?

    Yes. In addition to deals on Billings to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Billings to Pierre Elliott Trudeau Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Billings to Pierre Elliott Trudeau Intl.

  • Can I find deals for business class flights from Billings to Pierre Elliott Trudeau Intl?

    Yes. Cheapflights offers flight deals from Billings to Pierre Elliott Trudeau Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Dorval
Trois-Rivières
Laval
Brossard
Cornwall
Longueuil
Sherbrooke
Montebello
Boucherville
Magog
Bromont
Saint-Jean-sur-Richelieu
Drummondville
North Hatley
Saint-Sauveur
Louiseville

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Billings to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.
Bozeman to Pierre Elliott Trudeau Intl flights
Kalispell to Pierre Elliott Trudeau Intl flights

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How does Cheapflights help users find flights from Billings to Pierre Elliott Trudeau Intl?

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Why should you use Cheapflights to find cheap flight tickets from Billings to Pierre Elliott Trudeau Intl?

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Can Cheapflights find flights from Billings to Pierre Elliott Trudeau Intl with no change fees?

Yes, we can. To see specific flights from Billings to Pierre Elliott Trudeau Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Billings to Pierre Elliott Trudeau Intl become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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