C$340 Cheap Flights from Ottawa International (YOW) to San Juan Luis Munoz Marin (SJU)

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Flight deals from Ottawa International to San Juan Luis Munoz Marin

Looking for a cheap last-minute deal or the best return flight from Ottawa International Airport to San Juan Luis Munoz Marin Airport? If you want to travel next month, return fares start from C$565. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Ottawa International to San Juan Luis Munoz Marin

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

Ottawa International to San Juan Luis Munoz Marin: Alternative routes

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

Ottawa to San Juan: Flight information

The things to know before you go.
Cheapest flight foundC$340
Cheapest month to flyDecember

Finding cheap flights from Ottawa International to San Juan Luis Munoz Marin: Frequently asked questions

The best price we found for a return flight from Ottawa International to San Juan Luis Munoz Marin is C$456. 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 International to San Juan Luis Munoz Marin. But we found flights with one or more stops from C$456.
As of June 2026, there are no flights flying from Ottawa International to San Juan Luis Munoz Marin.
The cheapest month to fly from Ottawa International to San Juan Luis Munoz Marin is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ottawa International Airport to San Juan Luis Munoz Marin Airport on Wednesday, September 23, 2026.
No airlines currently offer direct flights between Ottawa International Airport and San Juan Luis Munoz Marin 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 Juan Luis Munoz Marin 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 Juan is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, United offers the cheapest flight tickets to San Juan Luis Munoz Marin.

Traveling from Ottawa/Macdonald-Cartier International Airport (YOW) to Luis Munoz Marin International Airport (SJU): what you need to know

  • You can expect bigger queues during popular months like August and other peak seasons. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a good idea.

  • Before organizing your cheap ticket from YOW to SJU, check if you need a visa to enter Puerto Rico. Visa and travel document requirements can vary and are updated often. To get the most up-to-date information, contact the nearest embassy or consulate of the country you're traveling to.

How to find the cheapest flights from Ottawa/Macdonald-Cartier International Airport (YOW) to Luis Munoz Marin International Airport (SJU)

  • The best price we've found for a one-way ticket from Ottawa/Macdonald-Cartier International Airport to Luis Munoz Marin International Airport is C$340. The cheapest price for a return flight is C$456. Keep in mind that fares may change due to availability when booking.

  • It's usually best to book ahead of time if you want to get cheap flight tickets from YOW to SJU. That's because airlines change prices based on demand, which tends to increase closer to the date of departure.

  • Getting cheap flight tickets from Ottawa/Macdonald-Cartier International Airport to Luis Munoz Marin International Airport is more likely if you can be flexible with your dates. Use the 'Whole month' function to see the lowest prices across the month and bag a great deal.

  • Log into your online account or use the app to create a Price Alert. We'll notify you straight away if there's a cheaper deal on this route. It's simple to do, and it'll save you time looking for cheap flight tickets from YOW to SJU every day.

  • Play around with filters to find the right trip for you. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Ottawa/Macdonald-Cartier International Airport to Luis Munoz Marin International Airport, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and number of stops.

Handy information about Ottawa/Macdonald-Cartier International Airport (YOW)

  • The journey from central Ottawa to Ottawa/Macdonald-Cartier International Airport takes approximately 43 minutes on public transport. If you ride-share, drive or hail a cab, you'll cover the 13 kilometres in 19 minutes or so, depending on traffic conditions.

  • Want a handy hotel near YOW? If you've booked an early flight from Ottawa/Macdonald-Cartier International Airport to Luis Munoz Marin International Airport, these stays will put you moments from check-in:

Arriving at Luis Munoz Marin International Airport (SJU)

Getting from Luis Munoz Marin International Airport (SJU) to central San Juan

  • From Luis Munoz Marin International Airport, San Juan is approximately 8 kilometres away. It takes around 11 minutes to get to the center driving.

  • Traveling by public transport will take you roughly 56 minutes.

When to fly to Luis Munoz Marin International Airport (SJU)

  • It's time to choose your dates for your flight from Ottawa/Macdonald-Cartier International Airport to Luis Munoz Marin International Airport. July is the most popular month to visit San Juan. If you want a more low-key vibe, go in May.

  • The warmest month in San Juan is September, with temperatures ranging between 23ºC and 33ºC. Lock in your flights from Ottawa/Macdonald-Cartier International Airport to Luis Munoz Marin International Airport in this month if you enjoy this type of weather.

  • If you want cooler conditions, search for a cheap ticket from YOW to SJU in February. Temperatures average between 20ºC and 28ºC then.

More about San Juan

Complete your San Juan trip with hotels and a car rental

  • Once you've secured your cheap ticket to Luis Munoz Marin International Airport, browse the lowest prices and exclusive rates for hotels. You can also compare a range of car rental companies in one go to find the best car rental price for your San Juan vacation.

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