$305 Cheap United flights Mexico City (MEX) to Ottawa (YOW)

View $305 flight on Sat, Aug 9, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$305 Cheap United flights Mexico City (MEX) to Ottawa (YOW)

Prices were available within the past 7 days and start at $305 for one-way flights and $518 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Dec 12 - Thu, Jan 1
MEX
Mexico City
YOW
Ottawa
$518 Roundtrip, found 6 days ago
$518
Roundtrip
found 6 days ago
Select United flight, departing Fri, Dec 12 from Mexico City to Ottawa, returning Thu, Jan 1, priced at $518 found 6 days ago
United
Tue, Jul 8 - Wed, Dec 3
MEX
Mexico City
YOW
Ottawa
$532 Roundtrip, found 1 day ago
$532
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jul 8 from Mexico City to Ottawa, returning Wed, Dec 3, priced at $532 found 1 day ago
United
Tue, Jul 8 - Wed, Dec 3
MEX
Mexico City
YOW
Ottawa
$536 Roundtrip, found 1 day ago
$536
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jul 8 from Mexico City to Ottawa, returning Wed, Dec 3, priced at $536 found 1 day ago
United
Fri, Aug 15 - Wed, Aug 20
MEX
Mexico City
YOW
Ottawa
$540 Roundtrip, found 3 days ago
$540
Roundtrip
found 3 days ago
Select United flight, departing Fri, Aug 15 from Mexico City to Ottawa, returning Wed, Aug 20, priced at $540 found 3 days ago
United
Mon, Aug 18 - Fri, Aug 22
MEX
Mexico City
YOW
Ottawa
$541 Roundtrip, found 1 day ago
$541
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 18 from Mexico City to Ottawa, returning Fri, Aug 22, priced at $541 found 1 day ago
United
Fri, Dec 12 - Tue, Dec 30
MEX
Mexico City
YOW
Ottawa
$550 Roundtrip, found 6 days ago
$550
Roundtrip
found 6 days ago
Select United flight, departing Fri, Dec 12 from Mexico City to Ottawa, returning Tue, Dec 30, priced at $550 found 6 days ago
Flights from Mexico City (MEX) to Ottawa (YOW)
Origin airport
Mexico City Intl.
Destination airport
Macdonald-Cartier Intl.
Airlines serving
Air Canada, United, WestJet
Popular airline
Air Canada
Distance
2233 mi

Frequently asked questions

How much is a United Airlines flight from Mexico City Intl. Airport (MEX) to Macdonald-Cartier Intl. Airport (YOW)?
Use the "Price (lowest to highest)" filter on Expedia to look for cheap United Airlines round-trip flights from $518 from MEX to YOW. Affordable one-way options from $305 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from MEX to YOW with United Airlines?
United Airlines flights to Ottawa are often cheaper in the low-season months of January and February. Whether you're searching for a one-way or a return ticket, you could find a better deal then.
What is the cheapest time to book flights from Mexico City Intl. Airport (MEX) to Macdonald-Cartier Intl. Airport (YOW) with United Airlines?
Look for United Airlines flights from MEX to YOW about one month before you want to leave. The most affordable time to book an international flight is usually 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. Regardless of itinerary or ticket type, the best day of the week to book international airfare is usually Sunday. Friday can be the most expensive. Passengers booking on a Sunday can save 17% on average compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Mexico City Intl. Airport (MEX) to Macdonald-Cartier Intl. Airport (YOW)?
Click on the "Nonstop" filter when looking for direct United Airlines flights from MEX to YOW. You'll also be able to compare other carriers offering the same direct route.
What is the earliest United Airlines flight from MEX to YOW?
To find the earliest departure from MEX to YOW with United Airlines, sort your results by "Early Morning" and "Morning." Choosing an early flight usually means cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Ottawa?
United Airlines flights from Mexico City Intl. Airport (MEX) to Ottawa come in to Macdonald-Cartier Intl. Airport (YOW). This is the main entry point to this destination.
Why fly with United Airlines from MEX to YOW?
A rewarding loyalty program and the chance to rack up points through United Mileage Plus are the start of the reasons to depart from MEX to YOW with United Airlines. Plus, when you sign up to Expedia's free One Key™ program, you can earn OneKeyCash™* on top of United Airlines's loyalty program earnings. It's yours to spend on your next adventure.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Mexico City Intl. Airport (MEX) to Macdonald-Cartier Intl. Airport (YOW)?
You can usually reschedule or cancel your flight, although additional fees may apply if you made your booking over 24 hours ago. Prefer to keep your options open? Make use of our "No cancel fee" and "Changes included" filters to find flights that won't penalize you if you need to revise your plans. To modify your itinerary, head to "Trips," select your flight and click on "Manage Booking" for further information.

Explore a world of travel with Expedia

*Available to One Key members.