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Cheap flights from Ottawa to San Juan from C$ 345

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — SJU
22 Jun — 29 Jun1
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 23 May 2026.

Tue 17/112:48 p.m.
YOW
-
SJU
1 stop8h 48m
United Airlines
Tue 1/122:05 a.m.
SJU
-
YOW
1 stop8h 06m
United Airlines
Deal found 19/5C$ 458
Wed 12/83:10 p.m.
YOW
-
SJU
1 stop8h 40m
United Airlines
Wed 19/84:55 p.m.
SJU
-
YOW
1 stop6h 59m
United Airlines
Deal found 20/5C$ 524
Mon 10/86:00 a.m.
YOW
-
SJU
1 stop6h 34m
United Airlines
Wed 19/84:55 p.m.
SJU
-
YOW
1 stop6h 59m
United Airlines
Deal found 21/5C$ 535
Thu 13/86:00 a.m.
YOW
-
SJU
1 stop6h 54m
United Airlines
Mon 17/84:55 p.m.
SJU
-
YOW
1 stop6h 59m
United Airlines
Deal found 20/5C$ 570
Tue 11/83:10 p.m.
YOW
-
SJU
1 stop8h 40m
United Airlines
Mon 17/84:55 p.m.
SJU
-
YOW
1 stop6h 59m
United Airlines
Deal found 20/5C$ 580
Tue 17/119:55 a.m.
YOW
-
SJU
2 stops11h 27m
Air Canada
Wed 2/128:10 a.m.
SJU
-
YOW
2 stops14h 41m
Air Canada
Deal found 19/5C$ 633
Tue 17/112:48 p.m.
YOW
-
SJU
1 stop8h 48m
Air Canada
Sat 28/113:00 p.m.
SJU
-
YOW
1 stop8h 32m
Air Canada
Deal found 19/5C$ 638
Tue 11/83:10 p.m.
YOW
-
SJU
1 stop8h 40m
United Airlines
Sat 15/81:00 a.m.
SJU
-
YOW
1 stop8h 11m
United Airlines
Deal found 20/5C$ 644
Tue 11/87:34 p.m.
YOW
-
SJU
1 stop17h 20m
Air Canada
Wed 19/87:00 a.m.
SJU
-
YOW
2 stops17h 45m
Air Canada
Deal found 20/5C$ 657
Tue 11/85:10 a.m.
YOW
-
SJU
2 stops15h 28m
Air Canada
Tue 18/87:00 a.m.
SJU
-
YOW
2 stops18h 35m
Air Canada
Deal found 20/5C$ 668
Tue 17/112:48 p.m.
YOW
-
SJU
1 stop8h 48m
Air Canada
Tue 1/125:50 p.m.
SJU
-
YOW
1 stop21h 17m
Air Canada
Deal found 19/5C$ 676
Thu 13/85:20 p.m.
YOW
-
SJU
1 stop21h 24m
Air Canada
Tue 18/87:00 a.m.
SJU
-
YOW
2 stops17h 45m
Air Canada
Deal found 20/5C$ 689

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 23 May 2026.

Round-trip from

C$ 458

One-way from

C$ 345

Popular in

February

Cheapest in

September

Average price

C$ 676
United Airlines
  • United Airlines
  • 17/11-1/12
  • 2 total stops
  • 16h 54m total
  • Ottawa to San Juan
Search Deals
United Airlines
  • United Airlines
  • 4/7
  • 1 total stop
  • 8h 40m total
  • Ottawa to San Juan
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 287 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 77 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 23 May 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

Tue 17/11

2:48 p.m.-12:36 a.m.

1 stop8h 48m

San Juan Luis Munoz Marin Intl

Wed 2/12

2:05 a.m.-9:11 a.m.

1 stop8h 06m

C$ 458

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Tue 17/11

2:48 p.m.-12:36 a.m.

1 stop8h 48m

San Juan Luis Munoz Marin Intl

Tue 1/12

2:05 a.m.-9:11 a.m.

1 stop8h 06m

C$ 458

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Wed 23/9

6:05 a.m.-1:53 p.m.

1 stop7h 48m

San Juan Luis Munoz Marin Intl

Sat 26/9

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

1 stop6h 59m

C$ 458
Quickest round-trip

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Mon 10/8

6:00 a.m.-12:34 p.m.

1 stop6h 34m

San Juan Luis Munoz Marin Intl

Wed 19/8

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

1 stop6h 59m

C$ 535

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Sat 15/8

6:25 a.m.-2:44 p.m.

1 stop8h 19m

San Juan Luis Munoz Marin Intl

Wed 19/8

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

1 stop6h 59m

C$ 580

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Tue 7/7

6:00 a.m.-12:34 p.m.

1 stop6h 34m

San Juan Luis Munoz Marin Intl

Mon 13/7

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

1 stop8h 11m

C$ 644

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Tue 11/8

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

1 stop8h 40m

San Juan Luis Munoz Marin Intl

Sat 15/8

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

1 stop8h 11m

C$ 644

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Tue 17/11

12:15 p.m.-10:22 p.m.

2 stops9h 07m

San Juan Luis Munoz Marin Intl

Tue 1/12

5:50 p.m.-2:07 p.m.

1 stop21h 17m

C$ 676

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Sat 4/7

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

1 stop8h 40m

San Juan Luis Munoz Marin Intl

Wed 15/7

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

1 stop6h 59m

C$ 697

OttawaSan Juan

YOW - SJU

YOWSJU

Ottawa

Thu 6/8

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

1 stop8h 40m

San Juan Luis Munoz Marin Intl

Sat 8/8

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

1 stop8h 11m

C$ 733

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/5

Showing 1-10 of 15 resultsSorted by cheapest first
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

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

Currently, December is the cheapest month in which you can book a flight from Ottawa to San Juan (average of C$ 298). Flying from Ottawa to San Juan in July is currently the most expensive (average of C$ 754). 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?

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

To ensure you get the cheapest price possible for a flight from Ottawa to San Juan, you should look to book at least 21 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.

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 23 May 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
9,752 reviews
Check prices

Food

6.6

Entertainment

7.1

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,752 reviews
United Airlines
7.4
Good
9,752 reviews
Check prices

Food

6.6

Entertainment

7.1

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
WestJet
7.2
Good
3,345 reviews
United Airlines
7.4
Good
9,752 reviews
Check prices

Food

6.6

Entertainment

7.1

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Air Canada
7.1
Good
11,078 reviews
United Airlines
7.4
Good
9,752 reviews
Check prices

Food

6.6

Entertainment

7.1

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 8h 48m. 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$ 362), United Airlines (C$ 561), and WestJet (C$ 635) offers the cheapest pricing from Ottawa to San Juan. Air Canada is priced at 59% 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, December is the cheapest month in which you can book a flight from Ottawa to San Juan (average of C$ 298). Flying from Ottawa to San Juan in July is currently the most expensive (average of C$ 754). 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 23 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 362AverageC$ 1,055FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 561AverageC$ 747FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 635AverageC$ 851FlexibilityNo 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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