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Cheap flights from Ottawa to San Juan from C$ 323

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 29/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SJU
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap 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 17 September 2025.

Round-trip from

C$ 696

One-way from

C$ 323

Popular in

March

Cheapest in

October

Average price

C$ 586
7/12-14/12
  • 7/12-14/12
  • 3 total stops
  • 35h 41m total
  • Ottawa to San Juan
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29/10
  • 29/10
  • 1 total stop
  • 11h 08m total
  • Ottawa to San Juan
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Highest demand for flights based on searches. 14% potential increase in price (C$ 195 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 36 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ottawa to San Juan

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 17 September 2025.

Sun 7/123:55 p.m.YOW - SJU
2 stops23h 28mMultiple Airlines
Sun 14/124:17 p.m.SJU - YOW
1 stop12h 13mMultiple Airlines
Deal found 17/9C$ 696
Fri 28/115:40 a.m.YOW - SJU
2 stops31h 37mWestJet
Sun 7/127:00 a.m.SJU - YOW
2 stops18h 42mWestJet
Deal found 16/9C$ 801
Thu 13/119:30 a.m.YOW - SJU
1 stop8h 51mMultiple Airlines
Sun 23/113:54 p.m.SJU - YOW
2 stops33h 48mMultiple Airlines
Deal found 16/9C$ 821
Sun 7/125:40 a.m.YOW - SJU
2 stops31h 30mWestJet
Sun 14/127:00 a.m.SJU - YOW
2 stops18h 42mWestJet
Deal found 17/9C$ 825
Fri 28/115:40 a.m.YOW - SJU
2 stops31h 37mWestJet
Mon 8/127:00 a.m.SJU - YOW
2 stops18h 42mWestJet
Deal found 17/9C$ 835
Sat 29/115:40 a.m.YOW - SJU
2 stops16h 33mWestJet
Mon 8/127:00 a.m.SJU - YOW
2 stops18h 42mWestJet
Deal found 17/9C$ 876
Fri 28/119:30 a.m.YOW - SJU
1 stop8h 51mMultiple Airlines
Sun 7/124:20 p.m.SJU - YOW
2 stops25h 39mMultiple Airlines
Deal found 17/9C$ 883
Sat 29/115:40 a.m.YOW - SJU
2 stops31h 37mWestJet
Sun 7/127:00 a.m.SJU - YOW
2 stops42h 42mWestJet
Deal found 16/9C$ 916

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 17 September 2025.
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

Sat 28/2

5:40 a.m.-8:30 p.m.

2 stops13h 50m

San Juan Luis Munoz Marin Intl

Sun 8/3

2:30 p.m.-12:39 a.m.

2 stops34h 09m

C$ 763

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Thu 1/1

6:00 a.m.-2:40 p.m.

1 stop7h 40m

San Juan Luis Munoz Marin Intl

Sat 10/1

8:35 a.m.-5:12 p.m.

1 stop9h 37m

C$ 772

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Sun 18/1

2:15 p.m.-10:22 p.m.

1 stop7h 07m

San Juan Luis Munoz Marin Intl

Mon 26/1

8:35 a.m.-5:12 p.m.

1 stop9h 37m

C$ 814

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Sat 3/1

8:25 p.m.-2:50 p.m.

1 stop17h 25m

San Juan Luis Munoz Marin Intl

Sat 10/1

3:40 p.m.-8:18 a.m.

1 stop17h 38m

C$ 821

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Fri 28/11

5:40 a.m.-2:17 p.m.

2 stops31h 37m

San Juan Luis Munoz Marin Intl

Mon 8/12

7:00 a.m.-12:42 a.m.

2 stops18h 42m

C$ 835

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Fri 28/11

9:30 a.m.-7:21 p.m.

1 stop8h 51m

San Juan Luis Munoz Marin Intl

Sun 7/12

10:57 a.m.-11:58 p.m.

1 stop14h 01m

C$ 867

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Sat 29/11

5:40 a.m.-11:13 p.m.

2 stops16h 33m

San Juan Luis Munoz Marin Intl

Mon 8/12

7:00 a.m.-12:42 a.m.

2 stops18h 42m

C$ 876

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Sat 29/11

5:40 a.m.-2:17 p.m.

2 stops31h 37m

San Juan Luis Munoz Marin Intl

Sun 7/12

7:00 a.m.-12:42 a.m.

2 stops42h 42m

C$ 916

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Wed 29/10

3:55 p.m.-3:03 a.m.

1 stop11h 08m

C$ 323

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Sat 1/11

8:25 p.m.-2:50 p.m.

1 stop18h 25m

C$ 345

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 13 results
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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 12 September 2025.

To ensure you get the cheapest price possible for a flight from Ottawa to San Juan, you should look to book at least 76 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, April is the cheapest month in which you can book a flight from Ottawa to San Juan (average of C$ 254). Flying from Ottawa to San Juan in July is currently the most expensive (average of C$ 580). 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.

What is the cheapest time of day to fly from YOW to SJU?

Find hourly flight availability from Ottawa to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

A simple way to save on the total cost of your ticket is to fly from Ottawa to San Juan in the evening. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight at noon.

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 17 September 2025.
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
8,926 reviews
Check prices

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Momny,Jun 2025

HND - BKK

I very love and happy with ANA and Sevice very super good .Thank you ANA
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews
Check prices

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Momny,Jun 2025

HND - BKK

I very love and happy with ANA and Sevice very super good .Thank you ANA
WestJet
7.2
Good
3,095 reviews
United Airlines
7.4
Good
8,926 reviews
Check prices

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Momny,Jun 2025

HND - BKK

I very love and happy with ANA and Sevice very super good .Thank you ANA
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,926 reviews
Check prices

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Momny,Jun 2025

HND - BKK

I very love and happy with ANA and Sevice very super good .Thank you ANA

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 7h 40m. Fly via WestJet, United Airlines, or Air Canada to get the fastest option. Ottawa and San Juan are separated by a distance of 3117 km. Both multi-stop and direct flights can be found to your destination and back.

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

    According to our current data, Air Canada (C$ 480), United Airlines (C$ 535), and WestJet (C$ 661) offers the cheapest pricing from Ottawa to San Juan. Air Canada is priced at 43% 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, April is the cheapest month in which you can book a flight from Ottawa to San Juan (average of C$ 254). Flying from Ottawa to San Juan in July is currently the most expensive (average of C$ 580). 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 480AverageC$ 720FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 535AverageC$ 863FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 661AverageC$ 827FlexibilityNo 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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