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Cheap flights from Ottawa to San Juan from C$ 340

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 16/4. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SJU
11 May — 18 May1
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 11 April 2026.

Mon 27/46:45 a.m.
YOW
-
SJU
2 stops12h 37m
Multiple Airlines
Thu 30/412:57 p.m.
SJU
-
YOW
1 stop11h 28m
Multiple Airlines
Deal found 9/4C$ 465
Sat 25/47:00 a.m.
YOW
-
SJU
1 stop12h 22m
Multiple Airlines
Tue 28/47:00 a.m.
SJU
-
YOW
2 stops34h 25m
Multiple Airlines
Deal found 9/4C$ 492
Thu 23/44:15 p.m.
YOW
-
SJU
1 stop20h 08m
Multiple Airlines
Tue 28/47:00 a.m.
SJU
-
YOW
2 stops34h 25m
Multiple Airlines
Deal found 9/4C$ 512
Fri 24/47:00 a.m.
YOW
-
SJU
1 stop12h 22m
Multiple Airlines
Tue 28/47:00 a.m.
SJU
-
YOW
2 stops34h 25m
Multiple Airlines
Deal found 9/4C$ 514
Fri 27/118:00 p.m.
YOW
-
SJU
1 stop17h 05m
Air Canada
Sun 6/123:20 p.m.
SJU
-
YOW
1 stop17h 58m
Air Canada
Deal found 8/4C$ 556
Fri 24/44:15 p.m.
YOW
-
SJU
1 stop27h 07m
Multiple Airlines
Sat 2/510:50 a.m.
SJU
-
YOW
1 stop25h 25m
Multiple Airlines
Deal found 9/4C$ 560
Mon 4/56:00 a.m.
YOW
-
SJU
2 stops12h 59m
Multiple Airlines
Mon 11/58:04 p.m.
SJU
-
YOW
2 stops19h 07m
Multiple Airlines
Deal found 6/4C$ 611

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 11 April 2026.

Round-trip from

C$ 465

One-way from

C$ 340

Popular in

February

Cheapest in

September

Average price

C$ 694
27/4-30/4
  • 27/4-30/4
  • 3 total stops
  • 24h 05m total
  • Ottawa to San Juan
Search Deals
16/4
  • 16/4
  • 1 total stop
  • 29h 23m total
  • Ottawa to San Juan
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 277 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 71 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 11 April 2026.
Use the filters below to find and compare flights from Ottawa to San Juan that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Mon 15/6

7:00 a.m.-6:59 p.m.

1 stop11h 59m

San Juan Luis Munoz Marin Intl

Fri 19/6

9:53 p.m.-12:20 a.m.

2 stops26h 27m

C$ 628

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Tue 2/6

2:20 p.m.-10:42 p.m.

1 stop8h 22m

San Juan Luis Munoz Marin Intl

Sun 7/6

5:15 p.m.-12:20 p.m.

2 stops19h 05m

C$ 640
Quickest round-trip

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Wed 6/5

2:40 p.m.-9:24 p.m.

1 stop6h 44m

San Juan Luis Munoz Marin Intl

Tue 12/5

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

1 stop8h 11m

C$ 642

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Wed 6/5

10:44 a.m.-8:34 p.m.

1 stop9h 50m

San Juan Luis Munoz Marin Intl

Sun 10/5

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

1 stop8h 11m

C$ 642

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Mon 27/4

2:40 p.m.-9:24 p.m.

1 stop6h 44m

San Juan Luis Munoz Marin Intl

Wed 29/4

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

1 stop8h 11m

C$ 644

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Thu 23/4

10:44 a.m.-8:34 p.m.

1 stop9h 50m

San Juan Luis Munoz Marin Intl

Tue 28/4

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

1 stop6h 59m

C$ 647

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Sun 3/5

2:40 p.m.-9:24 p.m.

1 stop6h 44m

San Juan Luis Munoz Marin Intl

Wed 6/5

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

1 stop8h 11m

C$ 647

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Sun 26/4

10:44 a.m.-8:34 p.m.

1 stop9h 50m

San Juan Luis Munoz Marin Intl

Fri 8/5

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

1 stop8h 11m

C$ 672
Cheapest one-way

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Thu 16/4

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

1 stop29h 23m

C$ 340
Quickest one-way

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Thu 16/4

2:40 p.m.-9:24 p.m.

1 stop6h 44m

C$ 397

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/4

Sorted by cheapest first

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 10 April 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$ 236). Flying from Ottawa to San Juan in June is currently the most expensive (average of C$ 660). 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.

How much does it cost to fly round-trip from Ottawa to San Juan?

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 11 April 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
9,569 reviews
Check prices

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Comfort

7.3

Boarding

7.7

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
9,569 reviews
United Airlines
7.4
Good
9,569 reviews
Check prices

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Comfort

7.3

Boarding

7.7

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
3,320 reviews
United Airlines
7.4
Good
9,569 reviews
Check prices

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Comfort

7.3

Boarding

7.7

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
10,916 reviews
United Airlines
7.4
Good
9,569 reviews
Check prices

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Comfort

7.3

Boarding

7.7

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.

  • How long is the flight from Ottawa to San Juan?

    There are many flights that can get you from Ottawa to San Juan in 6h 44m. Fly via United Airlines to get the fastest option. Ottawa and San Juan are separated by a distance of 3117 km.

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

    According to our current data, Air Canada (C$ 363), United Airlines (C$ 556), and WestJet (C$ 636) offers the cheapest pricing from Ottawa to San Juan. Air Canada is priced at 57% 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$ 236). Flying from Ottawa to San Juan in June is currently the most expensive (average of C$ 660). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 11 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 363AverageC$ 1,139FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 556AverageC$ 758FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 636AverageC$ 845FlexibilityNo 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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