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Cheap flights from Niagara Falls to San Juan from C$ 240
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 27/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJU
19 Aug — 26 Aug1
Round-trip
1 adult
Economy
Cheapflights Tip: The best prices from Niagara Falls to San Juan are usually found in October 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 14 August 2025.
Find flight deals from Niagara Falls to San Juan
Cheapest flights from Niagara Falls to San JuanExplore 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 14 August 2025.
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 14 August 2025.
Sun 5/1012:30 a.m.YYZ - SJU
2 stops23h 27mAir Canada
Mon 27/107:10 a.m.SJU - YYZ
1 stop11h 24mAir Canada
Deal found 13/8C$ 487
Sat 8/1111:51 a.m.YYZ - SJU
1 stop8h 41mAmerican Airlines
Sat 15/116:25 a.m.SJU - YYZ
1 stop10h 05mAmerican Airlines
Deal found 13/8C$ 489
Sat 4/106:30 a.m.YYZ - SJU
2 stops28h 43mMultiple Airlines
Sat 18/107:58 p.m.SJU - YYZ
1 stop18h 27mMultiple Airlines
Deal found 13/8C$ 492
Thu 27/1110:57 a.m.YYZ - SJU
2 stops14h 13mAmerican Airlines
Thu 4/124:45 p.m.SJU - YYZ
1 stop6h 40mAmerican Airlines
Deal found 11/8C$ 495
Sat 8/1110:00 a.m.YYZ - SJU
1 stop11h 22mUnited Airlines
Sat 15/112:05 a.m.SJU - YYZ
1 stop8h 31mUnited Airlines
Deal found 12/8C$ 502
Wed 12/112:57 p.m.YYZ - SJU
1 stop8h 39mUnited Airlines
Sat 15/112:05 a.m.SJU - YYZ
1 stop10h 43mUnited Airlines
Deal found 12/8C$ 505
Sat 11/107:35 a.m.YYZ - SJU
1 stop15h 30mAmerican Airlines
Tue 14/105:30 a.m.SJU - YYZ
1 stop11h 49mAmerican Airlines
Deal found 13/8C$ 506
Sat 27/96:14 a.m.YYZ - SJU
1 stop9h 38mAmerican Airlines
Sat 4/103:55 p.m.SJU - YYZ
1 stop8h 03mAmerican Airlines
Deal found 14/8C$ 511
Mon 6/107:45 a.m.YYZ - SJU
1 stop7h 57mMultiple Airlines
Mon 27/109:00 a.m.SJU - YYZ
2 stops10h 55mMultiple Airlines
Deal found 13/8C$ 514
Fri 26/93:00 p.m.YYZ - SJU
1 stop8h 57mUnited Airlines
Thu 2/101:05 a.m.SJU - YYZ
1 stop8h 14mUnited Airlines
Deal found 12/8C$ 518
Fri 3/104:00 p.m.YYZ - SJU
1 stop7h 59mMultiple Airlines
Sun 5/108:00 a.m.SJU - YYZ
1 stop30h 25mMultiple Airlines
Deal found 12/8C$ 520
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 14 August 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
Mon 6/10
7:00 a.m.-11:57 p.m.
2 stops16h 57m
San Juan Luis Munoz Marin Intl
Mon 27/10
7:10 a.m.-10:54 p.m.
1 stop15h 44m
C$ 487
TorontoSan Juan
YYZ - SJU
YYZSJU
Toronto Pearson Intl
Sat 8/11
11:51 a.m.-9:32 p.m.
1 stop8h 41m
San Juan Luis Munoz Marin Intl
Sat 15/11
6:25 a.m.-3:30 p.m.
1 stop10h 05m
C$ 489
TorontoSan Juan
YYZ - SJU
YYZSJU
Toronto Pearson Intl
Sat 4/10
6:30 a.m.-11:13 a.m.
2 stops28h 43m
San Juan Luis Munoz Marin Intl
Sat 18/10
7:58 p.m.-2:25 p.m.
1 stop18h 27m
C$ 492
TorontoSan Juan
YYZ - SJU
YYZSJU
Toronto Pearson Intl
Sat 8/11
10:00 a.m.-10:22 p.m.
1 stop11h 22m
San Juan Luis Munoz Marin Intl
Sat 15/11
2:05 a.m.-9:36 a.m.
1 stop8h 31m
C$ 502
TorontoSan Juan
YYZ - SJU
YYZSJU
Toronto Pearson Intl
Wed 12/11
2:57 p.m.-12:36 a.m.
1 stop8h 39m
San Juan Luis Munoz Marin Intl
Sat 15/11
2:05 a.m.-11:48 a.m.
1 stop10h 43m
C$ 505
TorontoSan Juan
YYZ - SJU
YYZSJU
Toronto Pearson Intl
Sat 11/10
7:35 a.m.-11:05 p.m.
1 stop15h 30m
San Juan Luis Munoz Marin Intl
Tue 14/10
5:30 a.m.-5:19 p.m.
1 stop11h 49m
C$ 506
TorontoSan Juan
YYZ - SJU
YYZSJU
Toronto Pearson Intl
Sat 27/9
6:14 a.m.-3:52 p.m.
1 stop9h 38m
San Juan Luis Munoz Marin Intl
Sat 4/10
3:55 p.m.-11:58 p.m.
1 stop8h 03m
C$ 511
TorontoSan Juan
YYZ - SJU
YYZSJU
Toronto Pearson Intl
Mon 6/10
7:45 a.m.-3:42 p.m.
1 stop7h 57m
San Juan Luis Munoz Marin Intl
Mon 27/10
9:00 a.m.-7:55 p.m.
2 stops10h 55m
C$ 514
TorontoSan Juan
YYZ - SJU
YYZSJU
Toronto Pearson Intl
Mon 20/10
6:30 a.m.-3:16 p.m.
1 stop8h 46m
C$ 240
TorontoSan Juan
YYZ - SJU
YYZSJU
Toronto Pearson Intl
Tue 14/10
3:00 p.m.-11:57 p.m.
1 stop8h 57m
C$ 240
Showing 1-10 of 15 results
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 8 August 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 14 August 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.
How much does it cost to fly round-trip from Niagara Falls 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 14 August 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.
Crew
8.5
Boarding
8.2
Food
7.3
Overall
8.0
Entertainment
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Boarding
8.2
Food
7.3
Overall
8.0
Entertainment
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Boarding
8.2
Food
7.3
Overall
8.0
Entertainment
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Boarding
8.2
Food
7.3
Overall
8.0
Entertainment
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Boarding
8.2
Food
7.3
Overall
8.0
Entertainment
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Boarding
8.2
Food
7.3
Overall
8.0
Entertainment
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
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.
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Alternative routes for Niagara Falls to San Juan
See prices for flight routes from nearby airports that may be better suited for you.
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 14 August 2025.
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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.