Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Niagara Falls to San Juan from C$ 242

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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJU
17 Jun — 24 Jun1
1 adult

Cheapflights Tip: The best prices from Niagara Falls to San Juan are usually found in January or April, booked 10 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Niagara Falls to San Juan

Keep the following information in mind while searching for Niagara Falls to San Juan flight deals. Data was last updated 12 June 2025.

Round-trip from

C$ 365

One-way from

C$ 242

Popular in

December

Cheapest in

January

Average price

C$ 751
American Airlines
  • American Airlines
  • 12/11-25/11
  • 2 total stops
  • 19h 56m total
  • Niagara Falls to San Juan
Search Deals
United Airlines
  • United Airlines
  • 4/11
  • 1 total stop
  • 8h 36m total
  • Niagara Falls to San Juan
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Niagara Falls to San Juan

Cheapest flights from Niagara Falls to San Juan
Explore the most affordable flight options available from Niagara Falls to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.

Wed 12/1112:30 p.m.YYZ - SJU
1 stop10h 01mAmerican Airlines
Tue 25/116:30 a.m.SJU - YYZ
1 stop9h 55mAmerican Airlines
Deal found 12/6C$ 365
Fri 17/107:00 a.m.YYZ - SJU
1 stop7h 44mUnited Airlines
Wed 29/101:20 p.m.SJU - YYZ
1 stop10h 09mUnited Airlines
Deal found 10/6C$ 383
Tue 8/76:30 a.m.YYZ - SJU
1 stop12h 49mMultiple Airlines
Thu 24/711:59 p.m.SJU - YYZ
2 stops16h 39mMultiple Airlines
Deal found 10/6C$ 494
Mon 25/87:45 a.m.YYZ - SJU
1 stop8h 51mDelta
Thu 4/912:50 p.m.SJU - YYZ
1 stop9h 08mDelta
Deal found 9/6C$ 552
Fri 20/65:10 p.m.YYZ - SJU
3 stops18h 45mAvianca
Mon 23/62:10 p.m.SJU - YYZ
2 stops16h 30mAvianca
Deal found 11/6C$ 619
Fri 20/66:14 p.m.YYZ - SJU
1 stop29h 40mWestJet
Tue 1/71:09 p.m.SJU - YYZ
1 stop8h 50mWestJet
Deal found 12/6C$ 674
Sat 11/1011:20 p.m.YYZ - SJU
2 stops14h 25mAir Canada
Sat 18/101:30 p.m.SJU - YYZ
1 stop8h 03mAir Canada
Deal found 11/6C$ 678

Cheapflights Fare Finder

Customize your flight search to find flights from Niagara Falls 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 12 June 2025.
Use the filters below to find and compare flights from Niagara Falls to San Juan that are best for you.

Fly from

Niagara Falls

Fly to

San Juan

Route

Depart

Return

Price

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Wed 12/11

12:30 p.m.-11:31 p.m.

1 stop10h 01m

San Juan Luis Munoz Marin Intl

Tue 25/11

6:30 a.m.-3:25 p.m.

1 stop9h 55m

C$ 365

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Fri 17/10

7:00 a.m.-2:44 p.m.

1 stop7h 44m

San Juan Luis Munoz Marin Intl

Wed 29/10

1:20 p.m.-11:29 p.m.

1 stop10h 09m

C$ 383

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Tue 8/7

6:30 a.m.-7:19 p.m.

1 stop12h 49m

San Juan Luis Munoz Marin Intl

Thu 24/7

11:59 p.m.-4:38 p.m.

2 stops16h 39m

C$ 494

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Mon 25/8

7:45 a.m.-4:36 p.m.

1 stop8h 51m

San Juan Luis Munoz Marin Intl

Thu 4/9

12:50 p.m.-9:58 p.m.

1 stop9h 08m

C$ 552

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Thu 17/7

5:10 p.m.-12:40 p.m.

2 stops19h 30m

San Juan Luis Munoz Marin Intl

Mon 21/7

6:15 p.m.-12:29 a.m.

3 stops30h 14m

C$ 623

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Sat 11/10

11:20 p.m.-1:45 p.m.

2 stops14h 25m

San Juan Luis Munoz Marin Intl

Fri 17/10

1:05 a.m.-9:19 a.m.

1 stop8h 14m

C$ 678

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Sat 28/6

6:04 a.m.-11:54 p.m.

1 stop17h 50m

San Juan Luis Munoz Marin Intl

Tue 1/7

2:40 p.m.-5:06 p.m.

1 stop26h 26m

C$ 685

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Tue 4/11

3:00 p.m.-12:36 a.m.

1 stop8h 36m

C$ 242

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Wed 17/9

6:14 a.m.-6:14 p.m.

2 stops12h 00m

C$ 258

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Sat 22/11

10:50 a.m.-7:08 p.m.

1 stop7h 18m

C$ 261

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/6

Showing 1-10 of 16 results
1
2

Best time to book a flight from Niagara Falls to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Niagara Falls 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 Niagara Falls to San Juan

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

Use this chart to determine the optimal time to book a round-trip flight from Niagara Falls to San Juan. Price data was last updated on 9 June 2025.

The price you pay for your flight from Niagara Falls to San Juan may vary depending on when you book. For the best chance of a lower fare, look to book 10 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, April is the cheapest month in which you can book a flight from Niagara Falls to San Juan (average of C$ 254). Flying from Niagara Falls 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 NI4 to SJU?

Find hourly flight availability from Niagara Falls 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 12 June 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Niagara Falls to San Juan as you normally would.

What is the cheapest day to fly from Niagara Falls to San Juan?

Use this chart to determine the cheapest time to fly round-trip from Niagara Falls to San Juan. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Niagara Falls to San Juan flight should consider departing on Sunday afternoons when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan ranges from 55.0 - 156.0 mm per month. November is typically the wettest month, when rainfall can reach 156.0 mm. March is typically the driest time to visit San Juan when rainfall is around 55.0 mm.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 25.0 C).

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 12 June 2025.
Get a feel of what it's like to fly with Caribbean Airlines, Delta and United Airlines from Niagara Falls to San Juan by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Caribbean Airlines
8.2
Very good
157 reviews
Check prices

Food

6.8

Boarding

8.2

Comfort

7.9

Overall

8.2

Entertainment

6.8

Crew

8.5

Reviews

1 / 9
6.0
Good

Anonymous,Mar 2025

JFK - GEO

Air hostesses were friendly. There should be more options for tea.
Caribbean Airlines
8.2
Very good
157 reviews
Caribbean Airlines
8.2
Very good
157 reviews
Check prices

Food

6.8

Boarding

8.2

Comfort

7.9

Overall

8.2

Entertainment

6.8

Crew

8.5

Reviews

1 / 9
6.0
Good

Anonymous,Mar 2025

JFK - GEO

Air hostesses were friendly. There should be more options for tea.
Delta
8.0
Very good
7,950 reviews
Caribbean Airlines
8.2
Very good
157 reviews
Check prices

Food

6.8

Boarding

8.2

Comfort

7.9

Overall

8.2

Entertainment

6.8

Crew

8.5

Reviews

1 / 9
6.0
Good

Anonymous,Mar 2025

JFK - GEO

Air hostesses were friendly. There should be more options for tea.
United Airlines
7.4
Good
8,790 reviews
Caribbean Airlines
8.2
Very good
157 reviews
Check prices

Food

6.8

Boarding

8.2

Comfort

7.9

Overall

8.2

Entertainment

6.8

Crew

8.5

Reviews

1 / 9
6.0
Good

Anonymous,Mar 2025

JFK - GEO

Air hostesses were friendly. There should be more options for tea.
American Airlines
7.2
Good
10,000 reviews
Caribbean Airlines
8.2
Very good
157 reviews
Check prices

Food

6.8

Boarding

8.2

Comfort

7.9

Overall

8.2

Entertainment

6.8

Crew

8.5

Reviews

1 / 9
6.0
Good

Anonymous,Mar 2025

JFK - GEO

Air hostesses were friendly. There should be more options for tea.
WestJet
7.2
Good
2,868 reviews
Caribbean Airlines
8.2
Very good
157 reviews
Check prices

Food

6.8

Boarding

8.2

Comfort

7.9

Overall

8.2

Entertainment

6.8

Crew

8.5

Reviews

1 / 9
6.0
Good

Anonymous,Mar 2025

JFK - GEO

Air hostesses were friendly. There should be more options for tea.

Related info for your journey

Find useful and relevant information for your journey from Niagara Falls 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 are the cheapest airlines to fly from Niagara Falls to San Juan one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as C$ 242. However, be on the lookout for offers from American Airlines and Arajet, as they are both options that can get you from Niagara Falls to San Juan for a low price.

  • What are the most reliable airlines from Niagara Falls to San Juan?

    Consider Delta (100%), WestJet (100%) or Air Canada Rouge (86%) when booking your flight. These represent the most reliable airlines when flying from Niagara Falls to San Juan.

  • What are the cheapest flights from Niagara Falls to San Juan?

    The cheapest flight price from Niagara Falls to San Juan is C$ 302. On average you can expect to pay C$ 688. The most popular route, (Toronto Pearson Intl - San Juan Luis Munoz Marin Intl), can usually be booked for C$ 383.

  • Can I find deals for flights from Niagara Falls to San Juan that include hotel bookings?

    Yes. In addition to deals on Niagara Falls to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Niagara Falls to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Niagara Falls to San Juan.

  • Can I find deals for business class flights from Niagara Falls to San Juan?

    Yes. Cheapflights offers flight deals from Niagara Falls 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 Niagara Falls to San Juan?

    Currently, April is the cheapest month in which you can book a flight from Niagara Falls to San Juan (average of C$ 254). Flying from Niagara Falls 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

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

Top 5 airlines flying from Niagara Falls to San Juan

Discover the top 5 airlines that operate flights from Niagara Falls 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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 266AverageC$ 481FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 296AverageC$ 519FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 422AverageC$ 529FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 440AverageC$ 745FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 469AverageC$ 742FlexibilityNo 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 Niagara Falls to San Juan?

Deals for Niagara Falls to San Juan flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Niagara Falls to San Juan?

Cheapflights simply makes it quick and affordable to book flights from Niagara Falls to San Juan by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Niagara Falls to San Juan with no change fees?

Yes, we can. To see specific flights from Niagara Falls to San Juan with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Niagara Falls to San Juan become cheaper?

Not ready to book yet? You can track prices for flights from Niagara Falls to San Juan on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.