$101+ Cheap flights from Boston (BOS) to Niagara Falls, ON, Canada
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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YYZ
Aug 2 — Aug 91
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Niagara Falls with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Boston Logan Intl to Niagara Falls are usually found in May or July, booked 72 days in advance, depart on a Wednesday or Thursday and return on a Thursday
Cheap flight deals from Boston to Niagara Falls
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to Niagara FallsExplore the most affordable flight options available from Boston to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2026.
Explore the most affordable flight options available from Boston to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2026.
This Flightnetwork deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:50 am
BOS
- YYZ
1 stop4h 43m
Air Canada
Wed 9/304:15 pm
YYZ
- BOS
Nonstop1h 49m
Air Canada
Deal found 7/2![Air Canada logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:30 pm
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Mon 9/144:55 pm
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 7/1![Porter Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:55 pm
BOS
- YYZ
1 stop6h 09m
Porter Airlines
Sun 9/277:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 7/1![Porter Airlines logo]()
$204
This oojo deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/310:05 am
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Thu 9/33:40 pm
YYZ
- BOS
1 stop5h 15m
Porter Airlines
Deal found 6/27![Porter Airlines logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:05 am
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Sat 9/57:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 6/28![Porter Airlines logo]()
$206
This Gotogate deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/234:55 pm
BOS
- YYZ
Nonstop2h 03m
Air Canada
Sun 7/268:55 pm
YYZ
- BOS
Nonstop1h 43m
Air Canada
Deal found 7/1![Air Canada logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:30 pm
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Sun 9/67:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 6/30![Porter Airlines logo]()
$208
This Trip.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/233:35 pm
BOS
- YYZ
1 stop6h 29m
Porter Airlines
Sun 7/267:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 7/1![Porter Airlines logo]()
$209
This Flybillet deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flybillet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2310:50 am
BOS
- YYZ
Nonstop1h 55m
Air Canada
Mon 7/274:35 pm
YYZ
- BOS
Nonstop1h 47m
Air Canada
Deal found 7/1![Air Canada logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/233:35 pm
BOS
- YYZ
1 stop6h 29m
Porter Airlines
Mon 7/277:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 7/1![Porter Airlines logo]()
$212
This Trip.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:05 am
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Sun 8/167:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 6/28![Porter Airlines logo]()
$213
Best flights from Boston to Niagara FallsDiscover carefully curated flight deals from Boston to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2026.
Discover carefully curated flight deals from Boston to Niagara Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2026.
This Gotogate deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1310:05 am
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Thu 7/163:40 pm
YYZ
- BOS
1 stop5h 15m
Porter Airlines
Deal found 6/27![Porter Airlines logo]()
$232
This United deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:00 am
BOS
- YYZ
1 stop5h 42m
Multiple Airlines
Sat 9/194:00 pm
YYZ
- BOS
1 stop5h 26m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$241
This Air Canada deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:35 pm
BOS
- YYZ
2 stops7h 37m
Air Canada
Fri 10/28:55 pm
YYZ
- BOS
Nonstop1h 45m
Air Canada
Deal found 6/27![Air Canada logo]()
$261
This Porter Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:05 am
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Thu 8/207:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 6/29![Porter Airlines logo]()
$253
This Porter Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/203:35 pm
BOS
- YYZ
1 stop6h 29m
Porter Airlines
Fri 7/317:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 6/28![Porter Airlines logo]()
$258
This Porter Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:05 am
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Sun 8/233:40 pm
YYZ
- BOS
1 stop5h 15m
Porter Airlines
Deal found 6/27![Porter Airlines logo]()
$261
This Porter Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/203:35 pm
BOS
- YYZ
1 stop6h 29m
Porter Airlines
Fri 8/73:40 pm
YYZ
- BOS
1 stop5h 15m
Porter Airlines
Deal found 6/28![Porter Airlines logo]()
$267
This Porter Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:30 pm
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Sun 8/233:40 pm
YYZ
- BOS
1 stop5h 15m
Porter Airlines
Deal found 6/27![Porter Airlines logo]()
$284
This Porter Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2310:05 am
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Sat 8/13:40 pm
YYZ
- BOS
1 stop5h 15m
Porter Airlines
Deal found 6/28![Porter Airlines logo]()
$284
This Porter Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:55 pm
BOS
- YYZ
2 stops13h 39m
Porter Airlines
Tue 9/83:40 pm
YYZ
- BOS
1 stop5h 15m
Porter Airlines
Deal found 6/29![Porter Airlines logo]()
$299
This Porter Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/143:35 pm
BOS
- YYZ
2 stops13h 59m
Porter Airlines
Sat 7/183:40 pm
YYZ
- BOS
1 stop5h 15m
Porter Airlines
Deal found 6/27![Porter Airlines logo]()
$317
Last-minute flights from Boston to Niagara FallsDiscover last-minute flight deals from Boston to Niagara Falls. Data last updated July 3, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Niagara Falls. Data last updated July 3, 2026 and is based on user searches.
This Vliegwinkel deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2310:05 am
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Sun 7/267:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 6/28![Porter Airlines logo]()
$206
This Gotogate deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/234:55 pm
BOS
- YYZ
Nonstop2h 03m
Air Canada
Sun 7/268:55 pm
YYZ
- BOS
Nonstop1h 43m
Air Canada
Deal found 7/1![Air Canada logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/233:35 pm
BOS
- YYZ
1 stop6h 29m
Porter Airlines
Mon 7/277:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 7/1![Porter Airlines logo]()
$212
This Trip.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:45 pm
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Tue 8/117:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 6/28![Porter Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:45 pm
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Thu 8/275:10 pm
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 6/28![Porter Airlines logo]()
$216
This Trip.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:05 am
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Sun 8/167:25 am
YYZ
- BOS
Nonstop1h 40m
Porter Airlines
Deal found 6/28![Porter Airlines logo]()
$213
One-way flights from Boston to Niagara FallsSearch for one-way flight options from Boston to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated July 3, 2026.
Search for one-way flight options from Boston to Niagara Falls. Find affordable one-way fares based on user searches. Data last updated July 3, 2026.
This Air Canada deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:00 am
BOS
- YYZ
Nonstop1h 55m
Air Canada
Deal found 7/2![Air Canada logo]()
$101
This Air Canada deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:45 am
BOS
- YYZ
1 stop4h 50m
Air Canada
Deal found 7/1![Air Canada logo]()
$104
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:00 pm
BOS
- YYZ
1 stop5h 09m
Delta
Deal found 6/29![Delta logo]()
$105
This Air Canada deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:00 am
BOS
- YYZ
Nonstop1h 55m
Air Canada
Deal found 6/30![Air Canada logo]()
$106
This iWofly deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:05 am
BOS
- YYZ
Nonstop1h 55m
Air Transat
Deal found 6/28![Air Transat logo]()
$107
This FlightHub deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/94:45 pm
BOS
- YYZ
1 stop5h 15m
Air Transat
Deal found 6/28![Air Transat logo]()
$109
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:05 am
BOS
- YYZ
1 stop6h 37m
United Airlines
Deal found 6/28![United Airlines logo]()
$111
This Trip.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:45 pm
BOS
- YYZ
Nonstop1h 55m
Porter Airlines
Deal found 7/2![Porter Airlines logo]()
$112
This Porter Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/103:55 pm
BOS
- YYZ
1 stop3h 49m
Porter Airlines
Deal found 7/1![Porter Airlines logo]()
$113
This Air Canada deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/235:45 am
BOS
- YYZ
2 stops7h 23m
Air Canada
Deal found 7/1![Air Canada logo]()
$115
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:43 pm
BOS
- YYZ
1 stop15h 11m
United Airlines
Deal found 7/1![United Airlines logo]()
$116
This FlightHub deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/210:05 am
BOS
- YYZ
Nonstop1h 55m
Air Transat
Deal found 6/30![Air Transat logo]()
$117
Find flight deals from Boston to Niagara Falls
Keep the following information in mind while searching for Boston to Niagara Falls flight deals. Data was last updated July 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $199 (Mytrip) |
One-way from | $101 (Air Canada) |
Popular in | December |
Cheapest in | May |
Average price | $307 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Niagara Falls 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 2,558,603 searches. Data last updated July 3, 2026.
Use the filters below to find and compare flights from Boston to Niagara Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Mon 7/13
10:05 am-12:00 pm
Nonstop1h 55m
Toronto Pearson Intl
Thu 7/16
3:40 pm-8:55 pm
1 stop5h 15m
$232
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Sat 9/19
8:00 am-1:42 pm
1 stop5h 42m
Toronto Pearson Intl
Sat 9/19
4:00 pm-9:26 pm
1 stop5h 26m
$241
Quickest round-trip
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Thu 8/13
10:05 am-12:00 pm
Nonstop1h 55m
Toronto Pearson Intl
Thu 8/20
7:25 am-9:05 am
Nonstop1h 40m
$253
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Mon 7/20
3:35 pm-10:04 pm
1 stop6h 29m
Toronto Pearson Intl
Fri 7/31
7:25 am-9:05 am
Nonstop1h 40m
$258
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Sat 9/26
3:35 pm-11:12 pm
2 stops7h 37m
Toronto Pearson Intl
Fri 10/2
8:55 pm-10:40 pm
Nonstop1h 45m
$261
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Thu 8/20
10:05 am-12:00 pm
Nonstop1h 55m
Toronto Pearson Intl
Sun 8/23
3:40 pm-8:55 pm
1 stop5h 15m
$261
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Mon 7/20
3:35 pm-10:04 pm
1 stop6h 29m
Toronto Pearson Intl
Fri 8/7
3:40 pm-8:55 pm
1 stop5h 15m
$267
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Fri 8/21
7:30 pm-9:25 pm
Nonstop1h 55m
Toronto Pearson Intl
Sun 8/23
3:40 pm-8:55 pm
1 stop5h 15m
$284
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Thu 7/23
10:05 am-12:00 pm
Nonstop1h 55m
Toronto Pearson Intl
Sat 8/1
3:40 pm-8:55 pm
1 stop5h 15m
$284
BostonToronto
BOS - YYZ
BOSYYZ
Boston Logan Intl
Thu 9/3
3:55 pm-5:34 am
2 stops13h 39m
Toronto Pearson Intl
Tue 9/8
3:40 pm-8:55 pm
1 stop5h 15m
$299
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Boston to Niagara Falls
Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from Boston with our price prediction graph.
BOS-YYZ
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 Boston to Niagara Falls
BOS-NI4
BOS-YYZ
What is the cheapest time of day to fly from BOS to NI4?
Find hourly flight availability from Boston to Niagara Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2026.
It’s optimal to fly from Boston to Niagara Falls in the morning. By choosing this option you can save up to 8% on the cost of your flight, compared to a flight in the evening.
Weekly flight availability from Boston to Niagara Falls
Explore weekly flight availability from Boston to Niagara Falls. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 3, 2026.
The most flights from BOS to NI4 are scheduled on a Monday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).
How much does it cost to fly round-trip from Boston to Niagara Falls?
What is the cheapest day to fly from Boston to Niagara Falls?
Use this chart to determine the cheapest time to fly round-trip from Boston to Niagara Falls. Price data was last updated on June 27, 2026.
Travelers seeking maximum savings on their Boston to Niagara Falls flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Niagara Falls
Get insights into the airlines that provide service to Niagara Falls. 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 Niagara Falls. Reviews last updated July 3, 2026.
Read through reviews of airlines operating flights from Boston to Niagara Falls, such as Porter Airlines,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
6.9
Boarding
8.2
Food
7.5
Comfort
7.9
Crew
8.6
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
YYJ - YYZ
Entertainment
6.9
Boarding
8.2
Food
7.5
Comfort
7.9
Crew
8.6
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
YYJ - YYZ
Entertainment
6.9
Boarding
8.2
Food
7.5
Comfort
7.9
Crew
8.6
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
YYJ - YYZ
Entertainment
6.9
Boarding
8.2
Food
7.5
Comfort
7.9
Crew
8.6
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
YYJ - YYZ
Entertainment
6.9
Boarding
8.2
Food
7.5
Comfort
7.9
Crew
8.6
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
YYJ - YYZ
Entertainment
6.9
Boarding
8.2
Food
7.5
Comfort
7.9
Crew
8.6
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
YYJ - YYZ
Related info for your journey
Find useful and relevant information for your journey from Boston to Niagara Falls. 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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Boston and Niagara Falls flights
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Top 6 airlines flying from Boston to Niagara Falls
Discover the top 6 airlines that operate flights from Boston to Niagara Falls. 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 2,558,603 searches. Data last updated July 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$111 | Average$311 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$111 | Average$301 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$128 | Average$194 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$248 | Average$354 | FlexibilityNo cancel fee | On-time50% | |
| Cheapest$275 | Average$567 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$300 | Average$402 | FlexibilityNo cancel fee | On-time71% |