Cantón La Unión Flights - Book Cheap Flights to Cantón La Unión

View RM744 flight on Wed, 18 Mar 2026Opens in a new window

Popular airlines to Cantón La Unión

  • Air Canada

  • American Airlines

  • Avianca

  • United

  • Delta

  • Aeromexico

  • Copa

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Cantón La Unión

Prices were available within the past 7 days and start at RM744 for one-way flights and RM1,883 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 18 Mar - Thu, 26 Mar
YUL
Montreal
SJO
San José
RM1,883 Return, found 1 day ago
RM1,883
Return
found 1 day ago
Select United flight, departing Wed, 18 Mar from Montreal to San José, returning Thu, 26 Mar, priced at RM1,883 found 1 day ago
Air Canada
Wed, 18 Mar - Thu, 26 Mar
YUL
Montreal
SJO
San José
RM2,023 Return, found 1 day ago
RM2,023
Return
found 1 day ago
Select Air Canada flight, departing Wed, 18 Mar from Montreal to San José, returning Thu, 26 Mar, priced at RM2,023 found 1 day ago
United
Wed, 18 Mar - Thu, 26 Mar
YUL
Montreal
SJO
San José
RM2,029 Return, found 1 day ago
RM2,029
Return
found 1 day ago
Select United flight, departing Wed, 18 Mar from Montreal to San José, returning Thu, 26 Mar, priced at RM2,029 found 1 day ago
Copa
Wed, 18 Mar - Thu, 26 Mar
YUL
Montreal
SJO
San José
RM2,055 Return, found 1 day ago
RM2,055
Return
found 1 day ago
Select Copa flight, departing Wed, 18 Mar from Montreal to San José, returning Thu, 26 Mar, priced at RM2,055 found 1 day ago
Air Canada
Wed, 18 Mar - Thu, 26 Mar
YUL
Montreal
SJO
San José
RM2,066 Return, found 1 day ago
RM2,066
Return
found 1 day ago
Select Air Canada flight, departing Wed, 18 Mar from Montreal to San José, returning Thu, 26 Mar, priced at RM2,066 found 1 day ago
Copa
Wed, 18 Mar - Thu, 26 Mar
YUL
Montreal
SJO
San José
RM2,328 Return, found 1 day ago
RM2,328
Return
found 1 day ago
Select Copa flight, departing Wed, 18 Mar from Montreal to San José, returning Thu, 26 Mar, priced at RM2,328 found 1 day ago
avianca
Wed, 18 Mar - Thu, 26 Mar
YUL
Montreal
SJO
San José
RM2,413 Return, found 1 day ago
RM2,413
Return
found 1 day ago
Select avianca flight, departing Wed, 18 Mar from Montreal to San José, returning Thu, 26 Mar, priced at RM2,413 found 1 day ago
Copa
Sat, 5 Dec - Sun, 13 Dec
LIM
Lima
SJO
San José
RM2,590 Return, found 1 day ago
RM2,590
Return
found 1 day ago
Select Copa flight, departing Sat, 5 Dec from Lima to San José, returning Sun, 13 Dec, priced at RM2,590 found 1 day ago
American Airlines
Wed, 18 Mar - Thu, 26 Mar
YUL
Montreal
SJO
San José
RM2,923 Return, found 1 day ago
RM2,923
Return
found 1 day ago
Select American Airlines flight, departing Wed, 18 Mar from Montreal to San José, returning Thu, 26 Mar, priced at RM2,923 found 1 day ago
Delta
Wed, 18 Mar - Thu, 26 Mar
YUL
Montreal
SJO
San José
RM3,104 Return, found 1 day ago
RM3,104
Return
found 1 day ago
Select Delta flight, departing Wed, 18 Mar from Montreal to San José, returning Thu, 26 Mar, priced at RM3,104 found 1 day ago

About Cantón La Unión

Expedia offers flights to Cantón La Unión to meet every traveler's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Cantón La Unión or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Frequently asked questions

How do I find cheap flights to Cantón La Unión that have flexible change policies?
Search for your affordable flights to Cantón La Unión, then check the "No change fee" box directly under the "Flexible change policies" heading. It's as simple as that. We appreciate that plans can change and flexibility is important, so book with confidence with Expedia.
How can I find cheap tickets to Cantón La Unión?
In the last seven days, RM1,883 was the lowest price for a flight to Cantón La Unión. For an even better fare, book well ahead of time and be flexible with your dates. Search for your trip to Cantón La Unión, then see prices for similar time frames by clicking on our "flexible dates" link.
How much is a flight to Cantón La Unión?
You could have locked in a return ticket to Cantón La Unión from anywhere between RM1,883 and RM6,408 in the last seven days. For one-way trips leaving from Montreal (YUL), the lowest amount paid during this period was RM744.
How much is a plane ticket to Cantón La Unión?
Seats ranged from just RM1,883 to RM6,408 over the last seven days. When you're ready to book, we're here to help grab a fabulous deal to Cantón La Unión.
What months are the cheapest to book a flight to Cantón La Unión?
To land a fabulous deal to Cantón La Unión, try to book during the month of February when the prices are at their cheapest. When's the most expensive time? In the U.S, it's the month of December.

Trending flights to Cantón La Unión

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, 4 Feb - Sun, 8 Feb
KUL
Kuala Lumpur
SJO
San José
RM6,408 Return, found 1 day ago
RM6,408
Return
found 1 day ago
Select British Airways flight, departing Wed, 4 Feb from Kuala Lumpur to San José, returning Sun, 8 Feb, priced at RM6,408 found 1 day ago
*Available to Expedia members.