Cheap Flights from Ottawa (YOW) to St. Thomas (STT)

Popular airlines from Ottawa International Airport (YOW) to Cyril E. King Airport (STT)

  • 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

Cheap Flights from Ottawa to St. Thomas (YOW-STT)

Prices were available within the past 7 days and start at for one-way flights and $1,409 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, Apr 3 - Sat, Apr 11
YOW
Ottawa
STT
St. Thomas
$1,409 Roundtrip, found 5 days ago
$1,409
Roundtrip
found 5 days ago
Select Air Canada flight, departing Fri, Apr 3 from Ottawa to St. Thomas, returning Sat, Apr 11, priced at $1,409 found 5 days ago
Air Canada
Fri, Apr 3 - Sat, Apr 11
YOW
Ottawa
STT
St. Thomas
$1,494 Roundtrip, found 5 days ago
$1,494
Roundtrip
found 5 days ago
Select Air Canada flight, departing Fri, Apr 3 from Ottawa to St. Thomas, returning Sat, Apr 11, priced at $1,494 found 5 days ago
Flights from Ottawa (YOW) to St. Thomas (STT)
Origin airport
Macdonald-Cartier Intl.
Destination airport
Cyril E. King
Roundtrip price
$1,409
Distance
1963 mi

Ottawa to St. Thomas Flights

The cheapest times to fly from Ottawa to St. Thomas

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Ottawa to St. Thomas are during the month of April. You can find some of the cheapest flights from Ottawa to St. Thomas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ottawa to St. Thomas

Sunday is one of the best days to book for cheap flights from Ottawa to St. Thomas: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Ottawa to St. Thomas

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Ottawa to St. Thomas in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Ottawa to St. Thomas flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Ottawa to St. Thomas airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Macdonald-Cartier Intl. Airport (YOW) to Cyril E. King Airport (STT) cost?
Secure a cheap one-way flight or cheap return flight from $1,409 from Macdonald-Cartier Intl. Airport (YOW) to Cyril E. King Airport (STT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Macdonald-Cartier Intl. Airport (YOW) to Cyril E. King Airport (STT)?
April is the most affordable month to fly from YOW to STT. Planning your trip for the off-season is often the key to scoring lower fares.
What is the cheapest airline that flies from Macdonald-Cartier Intl. Airport (YOW) to Cyril E. King Airport (STT)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest YOW to STT flight.
How many flights per day from Macdonald-Cartier Intl. Airport (YOW) to Cyril E. King Airport (STT)?
You'll have to take a flight with a layover when traveling from Macdonald-Cartier Intl. Airport (YOW) to Cyril E. King Airport (STT). Direct flights don't operate daily on this route. However, just filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from YOW to STT?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Macdonald-Cartier Intl. Airport (YOW) to Cyril E. King Airport (STT)?
To land at Cyril E. King Airport (STT) on schedule, book a flight that leaves Macdonald-Cartier Intl. Airport (YOW) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Macdonald-Cartier Intl. Airport (YOW) to Cyril E. King Airport (STT) last-minute?
Booking your flight from YOW to STT shortly before your journey is typically more expensive. However, if there's some wiggle room with your travel times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a YOW to STT flight and hotel package?
Compared with arranging flights and hotels separately, booking a YOW to STT flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place takes the hassle out of planning your trip. Simply pick your flights and choose from our wide range of hotels, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Macdonald-Cartier Intl. Airport (YOW) to Cyril E. King Airport (STT)?
Generally, it's possible to cancel or reschedule your YOW to STT flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.