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Cheap flights from Niagara Falls, ON to San Juan from C$ 178

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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJU
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

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

Cheap flight deals from Niagara Falls to San Juan

Enter your travel dates to find the best prices.

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 18 December 2025.

Wed 17/122:57 p.m.YYZ - SJU
1 stop8h 39mUnited Airlines
Wed 24/125:50 p.m.SJU - YYZ
1 stop6h 56mUnited Airlines
Deal found 16/12C$ 468
Wed 31/127:30 a.m.YYZ - SJU
1 stop15h 29mAmerican Airlines
Thu 8/16:00 a.m.SJU - YYZ
2 stops13h 20mAmerican Airlines
Deal found 16/12C$ 608
Wed 31/129:40 a.m.YYZ - SJU
1 stop8h 33mMultiple Airlines
Fri 9/110:47 p.m.SJU - YYZ
2 stops21h 48mMultiple Airlines
Deal found 16/12C$ 619
Wed 31/129:40 a.m.YYZ - SJU
1 stop8h 33mMultiple Airlines
Sat 10/16:15 a.m.SJU - YYZ
2 stops30h 20mMultiple Airlines
Deal found 16/12C$ 634
Wed 31/127:30 a.m.YYZ - SJU
1 stop11h 13mAmerican Airlines
Sat 10/16:00 a.m.SJU - YYZ
2 stops10h 30mAmerican Airlines
Deal found 16/12C$ 641
Wed 31/129:40 a.m.YYZ - SJU
1 stop8h 33mMultiple Airlines
Thu 8/14:07 p.m.SJU - YYZ
1 stop9h 04mMultiple Airlines
Deal found 16/12C$ 664
Wed 31/122:57 p.m.YYZ - SJU
1 stop8h 39mUnited Airlines
Fri 9/12:05 a.m.SJU - YYZ
1 stop8h 31mUnited Airlines
Deal found 16/12C$ 732
Sun 21/124:06 p.m.YYZ - SJU
1 stop6h 53mAmerican Airlines
Thu 25/128:25 a.m.SJU - YYZ
1 stop8h 34mAmerican Airlines
Deal found 18/12C$ 734
Sat 20/125:19 p.m.YYZ - SJU
2 stops19h 22mAmerican Airlines
Thu 25/128:25 a.m.SJU - YYZ
1 stop8h 34mAmerican Airlines
Deal found 16/12C$ 758
Sun 21/126:05 a.m.YYZ - SJU
1 stop7h 28mMultiple Airlines
Tue 23/126:00 a.m.SJU - YYZ
1 stop30h 43mMultiple Airlines
Deal found 17/12C$ 759

Find 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 18 December 2025.

Round-trip from

C$ 387

One-way from

C$ 178

Popular in

December

Cheapest in

October

Average price

C$ 885
American Airlines
  • American Airlines
  • 1/1-13/1
  • 3 total stops
  • 22h 16m total
  • Niagara Falls to San Juan
Search Deals
25/1
  • 25/1
  • 3 total stops
  • 26h 20m total
  • Niagara Falls to San Juan
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 107 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 18 December 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

Sun 1/3

2:57 p.m.-12:36 a.m.

1 stop8h 39m

San Juan Luis Munoz Marin Intl

Tue 10/3

1:05 a.m.-9:36 a.m.

1 stop8h 31m

C$ 391

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Fri 23/1

2:45 p.m.-10:22 p.m.

1 stop6h 37m

San Juan Luis Munoz Marin Intl

Thu 29/1

8:35 a.m.-4:02 p.m.

1 stop8h 27m

C$ 391

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Wed 7/1

3:40 p.m.-3:33 p.m.

1 stop22h 53m

San Juan Luis Munoz Marin Intl

Tue 13/1

2:29 a.m.-10:12 p.m.

2 stops20h 43m

C$ 415

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Mon 12/1

2:57 p.m.-12:36 a.m.

1 stop8h 39m

San Juan Luis Munoz Marin Intl

Thu 22/1

2:05 a.m.-9:36 a.m.

1 stop8h 31m

C$ 416

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Fri 20/2

2:57 p.m.-12:36 a.m.

1 stop8h 39m

San Juan Luis Munoz Marin Intl

Thu 26/2

2:05 a.m.-9:36 a.m.

1 stop8h 31m

C$ 422

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Mon 2/3

2:57 p.m.-12:36 a.m.

1 stop8h 39m

San Juan Luis Munoz Marin Intl

Thu 12/3

1:05 a.m.-9:36 a.m.

1 stop8h 31m

C$ 438

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Fri 23/1

2:45 p.m.-10:22 p.m.

1 stop6h 37m

San Juan Luis Munoz Marin Intl

Fri 30/1

2:05 a.m.-9:36 a.m.

1 stop8h 31m

C$ 438

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Sat 24/1

2:45 p.m.-10:22 p.m.

1 stop6h 37m

San Juan Luis Munoz Marin Intl

Fri 6/2

2:05 a.m.-9:36 a.m.

1 stop8h 31m

C$ 457

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Fri 30/1

2:57 p.m.-12:36 a.m.

1 stop8h 39m

San Juan Luis Munoz Marin Intl

Mon 9/2

2:05 a.m.-9:36 a.m.

1 stop8h 31m

C$ 459

TorontoSan Juan

YYZ - SJU

YYZSJU

Toronto Pearson Intl

Sat 28/2

12:39 p.m.-11:44 p.m.

1 stop10h 05m

San Juan Luis Munoz Marin Intl

Wed 4/3

7:00 a.m.-4:35 p.m.

2 stops10h 35m

C$ 462

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

Showing 1-10 of 21 results
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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 12 December 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$ 328). Flying from Niagara Falls to San Juan in July is currently the most expensive (average of C$ 676). 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 18 December 2025.

A simple way to save on the total cost of your ticket is to fly from Niagara Falls to San Juan in the afternoon. If you’re flexible enough to do this you can expect to save up to 41% on your trip compared to booking a flight in the morning.

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 18 December 2025.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Niagara Falls to San Juan. 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.
Delta
7.9
Good
8,008 reviews
Check prices

Crew

8.5

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews
Check prices

Crew

8.5

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
9,093 reviews
Delta
7.9
Good
8,008 reviews
Check prices

Crew

8.5

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
11,055 reviews
Delta
7.9
Good
8,008 reviews
Check prices

Crew

8.5

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
WestJet
7.2
Good
3,204 reviews
Delta
7.9
Good
8,008 reviews
Check prices

Crew

8.5

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.1
Good
10,534 reviews
Delta
7.9
Good
8,008 reviews
Check prices

Crew

8.5

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • How long is the flight from Niagara Falls to San Juan?

    United Airlines can get you from Niagara Falls to San Juan in just under 8h 39m. Your travel time can differ by up to . The distance between Niagara Falls and San Juan is about 3080 km.

  • What are the cheapest airlines to fly from Niagara Falls to San Juan one-way?

    The cheapest airline one-way is Arajet, with whom users have recently found tickets for as low as C$ 167. However, be on the lookout for offers from United Airlines and WestJet, 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 Air Canada (46%), Air Canada Rouge (42%) or Delta (0%) 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$ 198. On average you can expect to pay C$ 649. The most popular route, (Toronto Pearson Intl - San Juan Luis Munoz Marin Intl), can usually be booked for C$ 324.

  • 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$ 328). Flying from Niagara Falls to San Juan in July is currently the most expensive (average of C$ 676). 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 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 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 335AverageC$ 622FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 355AverageC$ 519FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapestC$ 360AverageC$ 606FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 445AverageC$ 844FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 464AverageC$ 791FlexibilityNo 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?

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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.

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