Cheap flights from Ottawa International to San Juan

Compare Ottawa International to San Juan flight deals

Find the cheapest month or even day of the year to fly to San Juan

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Flight deals from Ottawa International to San Juan

Looking for a cheap last-minute deal or the best round-trip flight from Ottawa International Airport to San Juan? If you want to travel next month, round-trip fares start from $493. Find the lowest prices on one-way and round-trip tickets right here.

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

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 flights are currently cheapest in December.

Ottawa to San Juan: Flight information

The things to know before you go.
Cheapest flight found$404
Cheapest month to flyDecember

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

There are 6 airports in San Juan: San Juan Isla Grande, San Juan Luis Munoz Marin, Roosevelt Roads, Ponce, Vieques, and Culebra.
The best price we found for a round-trip flight from Ottawa International to San Juan is $404. 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. But we found flights with one or more stops from $404.
There are no flights flying from Ottawa International to San Juan, as of May 2026.
The cheapest month to fly from Ottawa International to San Juan is usually December.
If you're flying from Ottawa International Airport, the cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 11.3 km away from the center of San Juan. We've found flights to this airport from $404.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ottawa International Airport to San Juan on Sunday, December 13, 2026.
No airlines currently offer direct flights between Ottawa International Airport and San Juan. 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 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.
In May, the average temperature is usually around 27°C. August is typically the warmest month in San Juan, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging 23°C. The rainiest month is September.
Currently, Air Canada offers the cheapest flight tickets to San Juan.

Traveling from Ottawa/Macdonald-Cartier International Airport (YOW) to San Juan: what you need to know

  • San Juan and Ottawa (where Ottawa/Macdonald-Cartier International Airport is located) share the UTC-4 timezone. This means you won't have to adjust your watch after you land.

  • For stress-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This leaves you with plenty of time to catch your YOW to San Juan flight.

  • You'll likely experience bigger queues during popular months like August. Arriving up to four hours ahead of international flights and two hours for a domestic departure is a good idea.

  • YOW is about 11 kilometers from central Ottawa. If you're catching a cab, driving or ride-sharing from the center, it'll take 20 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the travel time to be around 45 minutes.

  • Looking for a hotel near YOW? If you're boarding an early flight from Ottawa/Macdonald-Cartier International Airport to San Juan, these accommodation options put the terminal practically at your doorstep:

  • Of the departures from Ottawa/Macdonald-Cartier International Airport, 58.21% land on time at their destination.

  • YOW is located at 50 Airport Road.

How to find the cheapest flights from Ottawa/Macdonald-Cartier International Airport (YOW) to San Juan

  • $200 is the lowest price we've found for a one-way Ottawa/Macdonald-Cartier International Airport to San Juan flight. A round-trip ticket right now is $404. Depending on when and how early you book, these fares may change.

  • Booking in advance is often the key to locking in a cheap flight from YOW to San Juan. Prices tend to rise as demand increases, so the closer your departure date, the more you'll likely spend on your ticket.

  • If you have flexibility with your travel plans, check out the 'Whole month' search tool. It'll find the cheapest price across every month when looking for your Ottawa/Macdonald-Cartier International Airport to San Juan ticket.

  • Finding a cheap flight from YOW to San Juan couldn't be easier with Price Alerts. Simply create one of these automatic notifications and we'll get in touch as soon as the price has dropped.

  • Save on your flight from Ottawa/Macdonald-Cartier International Airport to San Juan with the help of our filters. Choose your ideal duration, departure time and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

  • Luis Munoz Marin International Airport (SJU) to central San Juan takes around 10 minutes to reach by car. The center is roughly 8 kilometers away.

  • It takes around 55 minutes when traveling by public transport.

  • Think about booking a hotel near SJU if you have a late flight from Ottawa/Macdonald-Cartier International Airport to San Juan. Check in to one of these accommodation options and avoid the hassle of a long transfer:

  • Explore without limits with a Luis Munoz Marin International Airport rental car. Pick up your wheels from Sixt, Ace Rent a Car or U-Save and discover more of San Juan and beyond.

  • Reserving your vehicle from Luis Munoz Marin International Airport about two weeks in advance of your flight from YOW to San Juan can help you lock in the best possible rate.

Fernando Luis Ribas Dominicci Airport (SIG)

  • After your flight from Ottawa/Macdonald-Cartier International Airport to San Juan has hit the tarmac, you can reach the city center in around 15 minutes by car. Central San Juan is roughly 8 kilometers from Fernando Luis Ribas Dominicci Airport (SIG).

  • If you travel by public transport, you'll get to the city center in 1 hour or so.

  • You'll find some great places to park your luggage (and yourself) near SIG. Tuck yourself in and get cozy after your YOW to San Juan flight at one of these well-located options:

Best time to go to San Juan

  • Visit San Juan in peak season if you like a bustling atmosphere, but remember that prices tend to be higher. Alternatively, book flights from Ottawa/Macdonald-Cartier International Airport to San Juan in the low season when prices are cheaper and crowds are smaller.

  • Book an Ottawa/Macdonald-Cartier International Airport to San Juan flight ticket with a departure in September if you're eager to experience the city during its warmest month. You can expect temperatures to range from 23ºC (73ºF) to 33ºC (91ºF).

  • If you'd rather travel in cooler conditions, search for a cheap ticket from YOW to San Juan in February when temperatures average between 20ºC (68ºF) and 28ºC (82ºF).

More about San Juan

  • When it comes to searching for somewhere to rest your head, you'll find the most popular stays in San Juan right here. Check out these hotels after locking in your flight from Ottawa/Macdonald-Cartier International Airport to San Juan:

  • La Garita del morro de san juan bahia and Castillo San Felipe del Morro are a couple of top-rated attractions to put on your San Juan must-do list. Continue your sightseeing adventures at Fortaleza Street.

Explore more of Puerto Rico

  • You've seen San Juan, now it's time to discover other corners of Puerto Rico. Travel around 113 kilometers west to Aguadilla to tick off its must-visit sights. From El Parterre to Aguadilla Ice Skating Arena and Bandera de los Reyes Magos, your itinerary will be busy.

  • Isabela is another favorite destination in Puerto Rico and is around 105 kilometers west of San Juan. No trip is complete without dropping by Amarillo Mango, Urb. Llanos Piscina Park and Noches de Artesania.

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