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Cheap flights from Ottawa to San Juan from C$ 286

YOW — SJU
22 Sep — 29 Sep1
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

Sat 24/103:10 p.m. -
1 stop8h 40m
Sat 31/107:05 a.m. -
1 stop8h 02m
Deal found 22/8C$ 489
Mon 19/103:10 p.m. -
1 stop8h 40m
Fri 23/101:00 a.m. -
1 stop8h 11m
Deal found 20/8C$ 511
Tue 15/96:05 a.m. -
1 stop7h 48m
Tue 22/91:25 p.m. -
1 stop9h 10m
Deal found 18/8C$ 516
Wed 7/106:25 a.m. -
1 stop8h 19m
Wed 14/104:55 p.m. -
1 stop6h 59m
Deal found 23/8C$ 520
Mon 26/103:10 p.m. -
1 stop8h 26m
Thu 29/101:35 p.m. -
1 stop8h 21m
Deal found 18/8C$ 538
Sat 24/107:30 p.m. -
2 stops17h 00m
Sat 31/101:25 p.m. -
2 stops21h 22m
Deal found 22/8C$ 544
Wed 9/96:05 a.m. -
1 stop7h 48m
Sat 12/94:55 p.m. -
1 stop6h 59m
Deal found 19/8C$ 559
Thu 17/93:10 p.m. -
1 stop8h 40m
Wed 30/91:25 p.m. -
1 stop9h 10m
Deal found 18/8C$ 601
Mon 19/104:15 p.m. -
1 stop17h 03m
Sat 24/103:20 p.m. -
2 stops26h 38m
Deal found 20/8C$ 629

Find flight deals from Ottawa to San Juan

Round-trip from

C$ 489

One-way from

C$ 286

Popular in

February

Cheapest in

January

Average price

C$ 877
United Airlines
  • United Airlines
  • 24/10-31/10
  • 2 total stops
  • 16h 42m total
  • Ottawa to San Juan
Search Deals
United Airlines
  • United Airlines
  • 19/9
  • 1 total stop
  • 8h 19m total
  • Ottawa to San Juan
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 165 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 91 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
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 Ottawa - SJU San Juan Luis Munoz Marin Intl

YOWSJU

Ottawa

Mon 19/10

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

1 stop8h 40m

San Juan Luis Munoz Marin Intl

Fri 23/10

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

1 stop8h 11m

C$ 511

OttawaSan Juan

YOW Ottawa - SJU San Juan Luis Munoz Marin Intl

YOWSJU

Ottawa

Tue 15/9

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

1 stop7h 48m

San Juan Luis Munoz Marin Intl

Tue 22/9

1:25 p.m.-10:35 p.m.

1 stop9h 10m

C$ 516
Quickest round-trip

OttawaSan Juan

YOW Ottawa - SJU San Juan Luis Munoz Marin Intl

YOWSJU

Ottawa

Wed 7/10

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

1 stop8h 19m

San Juan Luis Munoz Marin Intl

Wed 14/10

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

1 stop6h 59m

C$ 520

OttawaSan Juan

YOW Ottawa - SJU San Juan Luis Munoz Marin Intl

YOWSJU

Ottawa

Mon 26/10

3:10 p.m.-11:36 p.m.

1 stop8h 26m

San Juan Luis Munoz Marin Intl

Thu 29/10

1:35 p.m.-9:56 p.m.

1 stop8h 21m

C$ 538

OttawaSan Juan

YOW Ottawa - SJU San Juan Luis Munoz Marin Intl

YOWSJU

Ottawa

Sat 31/10

2:00 p.m.-9:22 p.m.

1 stop7h 22m

San Juan Luis Munoz Marin Intl

Sat 7/11

2:05 a.m.-5:20 p.m.

2 stops16h 15m

C$ 757

OttawaSan Juan

YOW Ottawa - SJU San Juan Luis Munoz Marin Intl

YOWSJU

Ottawa

Sat 14/11

2:00 p.m.-10:22 p.m.

1 stop7h 22m

San Juan Luis Munoz Marin Intl

Sat 21/11

2:05 a.m.-1:10 p.m.

2 stops12h 05m

C$ 764

OttawaSan Juan

YOW Ottawa - SJU San Juan Luis Munoz Marin Intl

YOWSJU

Ottawa

Wed 17/2

2:00 p.m.-10:22 p.m.

1 stop7h 22m

San Juan Luis Munoz Marin Intl

Wed 3/3

8:10 a.m.-3:12 p.m.

1 stop8h 02m

C$ 776

OttawaSan Juan

YOW Ottawa - SJU San Juan Luis Munoz Marin Intl

YOWSJU

Ottawa

Wed 9/12

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

1 stop8h 48m

San Juan Luis Munoz Marin Intl

Wed 16/12

2:05 a.m.-1:11 p.m.

1 stop12h 06m

C$ 822
Cheapest one-way

OttawaSan Juan

YOW Ottawa - SJU San Juan Luis Munoz Marin Intl

YOWSJU

Ottawa

Sat 19/9

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

1 stop8h 19m

C$ 286

OttawaSan Juan

YOW Ottawa - SJU San Juan Luis Munoz Marin Intl

YOWSJU

Ottawa

Sat 3/10

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

1 stop8h 19m

C$ 286

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/8

Showing 1-10 of 19 resultsSorted by cheapest first
1
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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

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, January is the cheapest month in which you can book a flight from Ottawa to San Juan (average of C$ 491). Flying from Ottawa to San Juan in February is currently the most expensive (average of C$ 1,588). 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?

Airfare is below average for this route at the moment.
Ottawa to San Juan flights typically cost between C$ 619 and C$ 953 in October.
The cheapest round-trip price found within the last 5 days was C$ 489 on United Airlines (24 Oct-31 Oct).

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 88 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

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
10,114 reviews
Check prices

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.7

Overall

7.4

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
10,114 reviews
United Airlines
7.4
Good
10,114 reviews
Check prices

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.7

Overall

7.4

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
3,437 reviews
United Airlines
7.4
Good
10,114 reviews
Check prices

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.7

Overall

7.4

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
11,524 reviews
United Airlines
7.4
Good
10,114 reviews
Check prices

Crew

8.1

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.7

Overall

7.4

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

  • 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 40m. 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$ 359), United Airlines (C$ 388), and WestJet (C$ 780) offers the cheapest pricing from Ottawa to San Juan. Air Canada is priced at 58% 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, January is the cheapest month in which you can book a flight from Ottawa to San Juan (average of C$ 491). Flying from Ottawa to San Juan in February is currently the most expensive (average of C$ 1,588). 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

Top 3 airlines flying from Ottawa to San Juan

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 359AverageC$ 839FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 388AverageC$ 707FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 780AverageC$ 878FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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

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