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Cheap flights from Ottawa to San Juan from C$ 242

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/4. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SJU
21 Mar — 28 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to San Juan

Enter your travel dates to find the best prices.

Cheapest flights from Ottawa to San Juan
Explore the most affordable flight options available from Ottawa to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 February 2026.

Tue 7/47:00 a.m.
YOW
-
SJU
1 stop11h 55m
Multiple Airlines
Tue 14/47:54 p.m.
SJU
-
YOW
1 stop21h 31m
Multiple Airlines
Deal found 19/2C$ 493
Mon 13/47:00 a.m.
YOW
-
SJU
1 stop11h 55m
Multiple Airlines
Fri 24/49:54 p.m.
SJU
-
YOW
1 stop19h 31m
Multiple Airlines
Deal found 17/2C$ 502
Tue 7/47:00 a.m.
YOW
-
SJU
1 stop11h 55m
Multiple Airlines
Thu 9/41:59 a.m.
SJU
-
YOW
2 stops22h 26m
Multiple Airlines
Deal found 19/2C$ 517
Mon 6/45:40 a.m.
YOW
-
SJU
2 stops28h 30m
Multiple Airlines
Tue 14/47:54 p.m.
SJU
-
YOW
1 stop21h 31m
Multiple Airlines
Deal found 19/2C$ 537
Sat 23/57:00 a.m.
YOW
-
SJU
2 stops17h 47m
Multiple Airlines
Fri 29/55:56 p.m.
SJU
-
YOW
1 stop21h 19m
Multiple Airlines
Deal found 17/2C$ 538
Sat 2/52:20 p.m.
YOW
-
SJU
1 stop10h 18m
Multiple Airlines
Wed 6/51:21 a.m.
SJU
-
YOW
1 stop11h 04m
Multiple Airlines
Deal found 17/2C$ 544
Tue 5/55:55 p.m.
YOW
-
SJU
2 stops16h 31m
Multiple Airlines
Thu 7/59:54 p.m.
SJU
-
YOW
1 stop17h 21m
Multiple Airlines
Deal found 17/2C$ 552

Find flight deals from Ottawa to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 19 February 2026.

Round-trip from

C$ 502

One-way from

C$ 242

Popular in

February

Cheapest in

September

Average price

C$ 1,310
13/4-24/4
  • 13/4-24/4
  • 2 total stops
  • 31h 26m total
  • Ottawa to San Juan
Search Deals
18/4
  • 18/4
  • 1 total stop
  • 29h 23m total
  • Ottawa to San Juan
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 227 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 57 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to San Juan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 19 February 2026.
Use the filters below to find and compare flights from Ottawa to San Juan that are best for you.

Fly from

Ottawa

Fly to

San Juan

Route

Depart

Return

Price

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Tue 7/4

7:00 a.m.-6:55 p.m.

1 stop11h 55m

San Juan Luis Munoz Marin Intl

Tue 14/4

10:00 a.m.-3:04 p.m.

2 stops29h 04m

C$ 523

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Mon 6/4

7:00 a.m.-11:49 a.m.

1 stop28h 49m

San Juan Luis Munoz Marin Intl

Tue 14/4

7:54 p.m.-5:25 p.m.

1 stop21h 31m

C$ 537

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Tue 7/4

7:00 a.m.-6:55 p.m.

1 stop11h 55m

San Juan Luis Munoz Marin Intl

Sun 12/4

5:25 a.m.-11:58 p.m.

1 stop18h 33m

C$ 568

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Tue 26/5

6:05 a.m.-1:45 p.m.

1 stop7h 40m

San Juan Luis Munoz Marin Intl

Mon 1/6

1:00 a.m.-9:11 a.m.

1 stop8h 11m

C$ 582

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Sun 3/5

3:10 p.m.-11:50 p.m.

1 stop8h 40m

San Juan Luis Munoz Marin Intl

Thu 7/5

4:55 p.m.-11:54 p.m.

1 stop6h 59m

C$ 582

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Wed 29/4

3:10 p.m.-11:50 p.m.

1 stop8h 40m

San Juan Luis Munoz Marin Intl

Thu 7/5

4:55 p.m.-11:54 p.m.

1 stop6h 59m

C$ 582

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Wed 10/6

3:10 p.m.-11:50 p.m.

1 stop8h 40m

San Juan Luis Munoz Marin Intl

Wed 17/6

1:00 a.m.-9:11 a.m.

1 stop8h 11m

C$ 582

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Sun 26/4

7:30 p.m.-9:24 p.m.

1 stop25h 54m

San Juan Luis Munoz Marin Intl

Fri 8/5

1:00 a.m.-4:38 p.m.

1 stop15h 38m

C$ 596

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Thu 19/3

4:15 p.m.-9:59 p.m.

2 stops29h 44m

San Juan Luis Munoz Marin Intl

Thu 26/3

8:47 p.m.-12:25 a.m.

2 stops27h 38m

C$ 603

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Sat 18/4

7:00 a.m.-12:23 p.m.

1 stop29h 23m

C$ 242

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/2

Showing 1-10 of 15 results
1
2

Best time to book a flight from Ottawa to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Ottawa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ottawa to San Juan

How far ahead should I book a flight from Ottawa to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Ottawa to San Juan. Price data was last updated on 18 February 2026.

To ensure you get the cheapest price possible for a flight from Ottawa to San Juan, you should look to book at least 36 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Ottawa to San Juan?

Currently, October is the cheapest month in which you can book a flight from Ottawa to San Juan (average of C$ 242). Flying from Ottawa to San Juan in June is currently the most expensive (average of C$ 655). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated 19 February 2026.
See what other customers who have flown with United Airlines,WestJet, andAir Canada from Ottawa to San Juan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,320 reviews
Check prices

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,320 reviews
United Airlines
7.4
Good
9,320 reviews
Check prices

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
WestJet
7.2
Good
3,268 reviews
United Airlines
7.4
Good
9,320 reviews
Check prices

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Air Canada
7.1
Good
10,733 reviews
United Airlines
7.4
Good
9,320 reviews
Check prices

Boarding

7.7

Crew

8.1

Entertainment

7.1

Comfort

7.3

Overall

7.4

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

Find useful and relevant information for your journey from Ottawa to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ottawa to San Juan?

    Ottawa (YOW), located 10.6 km from the city centre, is the airport you fly out of when you book flights from Ottawa to San Juan. 3 airlines have flights from Ottawa to San Juan on a regular basis. Booking flights from Ottawa to San Juan should not be difficult; the airport handles an average of 0 outbound flights to San Juan per day.

  • What are the cheapest airlines flying from Ottawa to San Juan round-trip?

    According to our current data, Air Canada (C$ 463), United Airlines (C$ 538), and WestJet (C$ 629) offers the cheapest pricing from Ottawa to San Juan. Air Canada is priced at 46% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Ottawa to San Juan that include hotel bookings?

    Yes. In addition to deals on Ottawa to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to San Juan.

  • Can I find deals for business class flights from Ottawa to San Juan?

    Yes. Cheapflights offers flight deals from Ottawa to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ottawa to San Juan?

    Currently, October is the cheapest month in which you can book a flight from Ottawa to San Juan (average of C$ 242). Flying from Ottawa to San Juan in June is currently the most expensive (average of C$ 655). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Ottawa to San Juan

Discover the top 3 airlines that operate flights from Ottawa to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 19 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 463AverageC$ 1,126FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 538AverageC$ 739FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 629AverageC$ 825FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ottawa to San Juan?

Cheapflights makes it easy to find Ottawa to San Juan flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to San Juan?

Millions of users choose and trust Cheapflights to book the best flight deals from Ottawa to San Juan for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ottawa to San Juan with no change fees?

Yes! Cheapflights helps users easily find flights from Ottawa to San Juan with no change fees.

Can Cheapflights notify me if prices for flights from Ottawa to San Juan become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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