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Cheap flights from Ottawa to San Juan from C$ 331

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SJU
5 Aug — 12 Aug1
1 adult

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 31 July 2025.

Round-trip from

C$ 577

One-way from

C$ 331

Popular in

November

Cheapest in

October

Average price

C$ 895
United Airlines
  • United Airlines
  • 26/10-2/11
  • 2 total stops
  • 17h 42m total
  • Ottawa to San Juan
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13/9
  • 13/9
  • 2 total stops
  • 22h 27m total
  • Ottawa to San Juan
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 109 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 31 July 2025.

Sun 26/106:00 a.m.YOW - SJU
1 stop7h 40mUnited Airlines
Sun 2/118:10 a.m.SJU - YOW
1 stop10h 02mUnited Airlines
Deal found 31/7C$ 577
Sun 26/106:00 a.m.YOW - SJU
1 stop17h 36mAir Canada
Sat 1/112:05 a.m.SJU - YOW
2 stops16h 32mAir Canada
Deal found 31/7C$ 648
Sat 18/103:50 p.m.YOW - SJU
2 stops23h 11mMultiple Airlines
Sat 25/102:48 a.m.SJU - YOW
2 stops14h 37mMultiple Airlines
Deal found 30/7C$ 728
Sun 26/105:40 a.m.YOW - SJU
2 stops16h 19mWestJet
Sun 2/117:15 a.m.SJU - YOW
2 stops18h 27mWestJet
Deal found 31/7C$ 731

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 31 July 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

Sun 26/10

6:00 a.m.-1:40 p.m.

1 stop7h 40m

San Juan Luis Munoz Marin Intl

Sun 2/11

8:10 a.m.-5:12 p.m.

1 stop10h 02m

C$ 577

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Sun 26/10

6:20 a.m.-8:00 p.m.

1 stop13h 40m

San Juan Luis Munoz Marin Intl

Sun 2/11

7:35 p.m.-12:22 p.m.

2 stops17h 47m

C$ 648

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Sat 18/10

3:50 p.m.-3:01 p.m.

2 stops23h 11m

San Juan Luis Munoz Marin Intl

Sat 25/10

2:48 a.m.-5:25 p.m.

2 stops14h 37m

C$ 728

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Sun 26/10

5:40 a.m.-9:59 p.m.

2 stops16h 19m

San Juan Luis Munoz Marin Intl

Sun 2/11

7:15 a.m.-12:42 a.m.

2 stops18h 27m

C$ 731

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Sat 13/9

3:50 p.m.-2:17 p.m.

2 stops22h 27m

C$ 331

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Fri 29/8

2:48 p.m.-11:57 p.m.

1 stop9h 09m

C$ 822

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Sat 10/1

5:45 a.m.-12:36 a.m.

2 stops17h 51m

C$ 1,508

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

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 25 July 2025.

To ensure you get the cheapest price possible for a flight from Ottawa to San Juan, you should look to book at least 22 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 31 July 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 31 July 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
8,900 reviews
Check prices

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
United Airlines
7.4
Good
8,900 reviews
United Airlines
7.4
Good
8,900 reviews
Check prices

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
WestJet
7.2
Good
2,978 reviews
United Airlines
7.4
Good
8,900 reviews
Check prices

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
Air Canada
7.1
Good
9,851 reviews
United Airlines
7.4
Good
8,900 reviews
Check prices

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

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, United Airlines (C$ 577), Air Canada (C$ 648), and WestJet (C$ 731) offers the cheapest pricing from Ottawa to San Juan. United Airlines is priced at 32% 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 31 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 486AverageC$ 728FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 495AverageC$ 855FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 608AverageC$ 832FlexibilityNo 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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