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Cheap flights from Niagara Falls, ON to San Juan from C$ 173
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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SJU
21 Nov — 28 Nov1
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 Wednesday or Tuesday and return on a Thursday
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 22 October 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 22 October 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 22 October 2025.
Sat 8/116:10 a.m.YYZ - SJU
1 stop14h 16mUnited Airlines
Tue 11/118:10 a.m.SJU - YYZ
1 stop12h 35mUnited Airlines
Deal found 21/10C$ 378
Sat 15/1110:00 a.m.YYZ - SJU
1 stop11h 22mUnited Airlines
Sat 22/118:30 a.m.SJU - YYZ
1 stop11h 27mUnited Airlines
Deal found 21/10C$ 400
Sat 25/107:35 a.m.YYZ - SJU
1 stop15h 30mAmerican Airlines
Fri 31/105:30 a.m.SJU - YYZ
1 stop10h 00mAmerican Airlines
Deal found 21/10C$ 413
Sun 7/126:10 a.m.YYZ - SJU
1 stop14h 16mMultiple Airlines
Sat 13/123:40 p.m.SJU - YYZ
Nonstop5h 00mMultiple Airlines
Deal found 22/10C$ 420
Sat 8/116:10 a.m.YYZ - SJU
1 stop14h 16mUnited Airlines
Fri 14/112:05 a.m.SJU - YYZ
1 stop8h 31mUnited Airlines
Deal found 22/10C$ 429
Wed 29/106:52 a.m.YYZ - SJU
1 stop7h 48mUnited Airlines
Sat 1/112:05 a.m.SJU - YYZ
1 stop8h 31mUnited Airlines
Deal found 20/10C$ 435
Fri 14/1111:59 a.m.YYZ - SJU
1 stop7h 49mAmerican Airlines
Wed 19/116:25 a.m.SJU - YYZ
1 stop10h 05mAmerican Airlines
Deal found 19/10C$ 436
Sat 8/1111:51 a.m.YYZ - SJU
1 stop8h 33mAmerican Airlines
Sat 15/116:25 a.m.SJU - YYZ
1 stop10h 05mAmerican Airlines
Deal found 21/10C$ 438
Wed 10/1211:59 a.m.YYZ - SJU
1 stop9h 10mAmerican Airlines
Wed 17/126:00 a.m.SJU - YYZ
2 stops11h 35mAmerican Airlines
Deal found 20/10C$ 442
Sun 2/119:00 a.m.YYZ - SJU
1 stop11h 00mUnited Airlines
Thu 13/118:10 a.m.SJU - YYZ
1 stop8h 52mUnited Airlines
Deal found 20/10C$ 445
Sat 15/1111:52 a.m.YYZ - SJU
1 stop7h 03mMultiple Airlines
Fri 21/114:17 p.m.SJU - YYZ
1 stop19h 35mMultiple Airlines
Deal found 20/10C$ 451
Tue 9/129:00 a.m.YYZ - SJU
1 stop11h 00mUnited Airlines
Sun 14/122:05 a.m.SJU - YYZ
1 stop8h 31mUnited Airlines
Deal found 20/10C$ 465
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 22 October 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 25/1
11:00 a.m.-9:00 p.m.
1 stop9h 00m
San Juan Luis Munoz Marin Intl
Fri 13/2
2:05 a.m.-9:36 a.m.
1 stop8h 31m
C$ 385
TorontoSan Juan
YYZ - SJU
YYZSJU
Toronto Pearson Intl
Mon 2/2
11:00 a.m.-9:00 p.m.
1 stop9h 00m
San Juan Luis Munoz Marin Intl
Thu 5/2
2:05 a.m.-9:36 a.m.
1 stop8h 31m
C$ 385
TorontoSan Juan
YYZ - SJU
YYZSJU
Toronto Pearson Intl
Wed 10/12
10:00 a.m.-10:22 p.m.
1 stop11h 22m
San Juan Luis Munoz Marin Intl
Wed 17/12
8:10 a.m.-7:45 p.m.
1 stop12h 35m
C$ 400
TorontoSan Juan
YYZ - SJU
YYZSJU
Toronto Pearson Intl
Sat 6/12
2:57 p.m.-12:36 a.m.
1 stop8h 39m
San Juan Luis Munoz Marin Intl
Tue 9/12
2:05 a.m.-9:36 a.m.
1 stop8h 31m
C$ 413
TorontoSan Juan
YYZ - SJU
YYZSJU
Toronto Pearson Intl
Wed 4/3
8:55 a.m.-9:00 p.m.
1 stop11h 05m
San Juan Luis Munoz Marin Intl
Thu 5/3
8:10 a.m.-2:21 p.m.
1 stop7h 11m
C$ 458
TorontoSan Juan
YYZ - SJU
YYZSJU
Toronto Pearson Intl
Sun 8/2
3:45 p.m.-6:11 a.m.
1 stop13h 26m
San Juan Luis Munoz Marin Intl
Tue 17/2
2:05 a.m.-9:36 a.m.
1 stop8h 31m
C$ 465
TorontoSan Juan
YYZ - SJU
YYZSJU
Toronto Pearson Intl
Fri 27/2
3:45 p.m.-6:11 a.m.
1 stop13h 26m
San Juan Luis Munoz Marin Intl
Tue 10/3
7:35 a.m.-7:24 p.m.
1 stop11h 49m
C$ 465
TorontoSan Juan
YYZ - SJU
YYZSJU
Toronto Pearson Intl
Tue 9/12
9:00 a.m.-9:00 p.m.
1 stop11h 00m
San Juan Luis Munoz Marin Intl
Sun 14/12
2:05 a.m.-9:36 a.m.
1 stop8h 31m
C$ 465
TorontoSan Juan
YYZ - SJU
YYZSJU
Toronto Pearson Intl
Sun 22/2
6:10 a.m.-4:36 p.m.
1 stop9h 26m
San Juan Luis Munoz Marin Intl
Sat 7/3
8:10 a.m.-6:54 p.m.
1 stop11h 44m
C$ 470
TorontoSan Juan
YYZ - SJU
YYZSJU
Toronto Pearson Intl
Sat 21/3
12:52 p.m.-7:55 p.m.
1 stop7h 03m
C$ 174
Showing 1-10 of 19 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 17 October 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, January is the cheapest month in which you can book a flight from Niagara Falls to San Juan (average of C$ 326). Flying from Niagara Falls to San Juan in July is currently the most expensive (average of C$ 578). 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 22 October 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 42% 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 22 October 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.
Food
7.3
Crew
8.5
Comfort
7.9
Entertainment
7.9
Overall
7.9
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.3
Crew
8.5
Comfort
7.9
Entertainment
7.9
Overall
7.9
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.3
Crew
8.5
Comfort
7.9
Entertainment
7.9
Overall
7.9
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.3
Crew
8.5
Comfort
7.9
Entertainment
7.9
Overall
7.9
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.3
Crew
8.5
Comfort
7.9
Entertainment
7.9
Overall
7.9
Boarding
8.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Food
7.3
Crew
8.5
Comfort
7.9
Entertainment
7.9
Overall
7.9
Boarding
8.2
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 22 October 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.