Cheap flights from Ottawa to San Antonio International

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Flight deals from Ottawa to San Antonio International

Looking for a cheap last-minute deal or the best round-trip flight from Ottawa to San Antonio International Airport? If you want to travel next month, round-trip fares start from $473. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Ottawa to San Antonio International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ottawa to San Antonio International flights are currently cheapest in July.

Ottawa to San Antonio International: Alternative routes

Compare routes from Ottawa to San Antonio below. You may find an airport to fly into that's cheaper, faster, or easier than San Antonio International.

Ottawa to San Antonio: Flight information

The things to know before you go.
Cheapest flight found$407
Cheapest month to flyJuly

Finding cheap flights from Ottawa to San Antonio International: Frequently asked questions

The best price we found for a round-trip flight from Ottawa to San Antonio International is $407. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Ottawa to San Antonio International. But we found flights with one stop from $407.
There are no flights flying from Ottawa to San Antonio International, as of May 2026.
The cheapest month to fly from Ottawa to San Antonio International is usually July.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Ottawa to San Antonio International Airport on Wednesday, July 8, 2026.
No airlines currently offer direct flights between Ottawa and San Antonio International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Antonio International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to San Antonio is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to San Antonio International is Air Canada.

Flying from Ottawa to San Antonio International Airport (SAT): What you need to know

  • San Antonio is one hour behind Ottawa. San Antonio International Airport is located in San Antonio, which is in the UTC-6 timezone.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Show up at the airport on time to board your flight from Ottawa to SAT.

  • During popular months such as August, it's a good idea to get to the airport earlier than normal. Plan to arrive two hours before domestic departures and four hours ahead for an international flight whenever you're traveling during a peak period in general.

Airports in Ottawa

Ottawa Macdonald-Cartier International Airport (YOW)

  • Traveling from central Ottawa to YOW takes around 35 minutes by public transport. If you ride-share, drive or get a cab, you'll cover the 14 kilometers in 20 minutes or so, depending on traffic conditions.

  • Catching an early flight from Ottawa to San Antonio International Airport? Avoid the last-minute rush to the terminal (and catch some extra z's) by picking one of these hotels near Ottawa Macdonald-Cartier International Airport:

  • When it comes to Ottawa Macdonald-Cartier International Airport's on-time performance, data shows 58% of flights complete their journey on time.

  • YOW is located at 50 Airport Road.

About San Antonio International Airport (SAT)

Getting from San Antonio International Airport (SAT) to central San Antonio

  • Central San Antonio is around 14 kilometers from San Antonio International Airport and takes about 20 minutes to reach by car. Explore your options for getting into the city, whether that's with a car rental, cab or ride-share.

  • Traveling on public transport takes roughly 50 minutes.

How to find the cheapest flights from Ottawa to San Antonio International Airport (SAT)

  • Right now, $205 is the lowest price we've found for a one-way ticket from Ottawa to San Antonio International Airport. The cheapest price for a return flight is $407. Remember fares can change due to demand at the time of booking.

  • Booking early is often the key to scoring a cheap flight from Ottawa to SAT. Flight prices rise as demand increases, so the closer your departure date, the more expensive your ticket may be.

  • The 'Whole month' search tool will show you the cheapest Ottawa to San Antonio International Airport tickets across the entire month. It's a good way to snap up a bargain if your plans aren't set in stone.

  • Save time searching for cheap plane tickets from Ottawa to SAT by creating a Price Alert. We'll send you an email or notification on the app when a lower fare becomes available.

  • Tailor your flights using filters. Select your ideal arrival and departure times, airlines and total journey duration. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Ottawa to San Antonio International Airport.

The best time to fly from Ottawa to San Antonio International Airport (SAT)

  • Think about the pace you're looking for when deciding your trip dates. August is the quietest month to visit San Antonio. December is when most people book flights from Ottawa to San Antonio International Airport (SAT), which may be perfect if you're chasing more excitement.

  • Lock in a Ottawa to SAT plane ticket departing in August if you want to visit the city during its warmest month. You can expect temperatures in San Antonio to range from 23ºC (73ºF) to 40ºC (104ºF).

  • Search for cheap tickets from Ottawa to San Antonio International Airport in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 3ºC (37ºF) and 20ºC (68ºF).

More about San Antonio

  • After booking your flight from Ottawa to San Antonio International Airport, find a hotel that offers a good mix of location and comfort. Make one of these options your base for exploring San Antonio:

  • You'll find plenty of exciting things to do in San Antonio when you're ready to get out and sightsee. Start exploring at San Antonio River Walk followed by San Antonio River walk and Alamo Plaza.

Explore more of the United States

  • Austin is just one of the many places in the United States waiting to be explored once you've seen San Antonio. Around 105 kilometers away to the northeast, well-known attractions include Texas State Capitol, Austin Museum of Art, Downtown and Central Park.

  • Around 225 kilometers southeast of San Antonio, Corpus Christi is another favorite stop in the United States. Experience major highlights starting with USS LEXINGTON, Texas State Aquarium and Bayfront Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.