$105+ Cheap flights from Boston (BOS) to Ottawa (YOW)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YOW
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from Boston to Ottawa 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 Ottawa are usually found in March or October, booked 59 days in advance, depart on a Wednesday or Thursday and return on a Tuesday
Cheap flight deals from Boston to Ottawa
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boston to OttawaExplore the most affordable flight options available from Boston to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from Boston to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This Booking.com deal was found by Cheapflights users on 9/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:55 am -
1 stop25h 32m
Wed 10/72:30 pm -
Nonstop1h 27m
Deal found 9/11![Porter Airlines logo]()
$237
This Trip.com deal was found by Cheapflights users on 9/10. 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.
Fri 10/26:30 pm -
1 stop11h 05m
Mon 10/52:30 pm -
Nonstop1h 27m
Deal found 9/10![Multiple Airlines logo]()
$267
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/304:30 pm -
1 stop16h 46m
Thu 10/12:30 pm -
Nonstop1h 27m
Deal found 9/10![Porter Airlines logo]()
$269
This Trip.com deal was found by Cheapflights users on 9/11. 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.
Sat 10/36:30 pm -
1 stop11h 05m
Mon 10/52:30 pm -
Nonstop1h 27m
Deal found 9/11![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 9/292:20 pm -
Nonstop1h 24m
Thu 10/12:30 pm -
Nonstop1h 27m
Deal found 9/10![Porter Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/271:15 pm -
Nonstop1h 30m
Mon 11/23:15 pm -
Nonstop1h 27m
Deal found 9/10![Porter Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/203:55 pm -
Nonstop1h 28m
Tue 10/275:35 am -
1 stop13h 35m
Deal found 9/15![Multiple Airlines logo]()
$287
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sat 10/33:55 pm -
Nonstop1h 28m
Mon 10/52:30 pm -
Nonstop1h 27m
Deal found 9/10![Porter Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Mon 9/282:20 pm -
Nonstop1h 24m
Thu 10/12:30 pm -
Nonstop1h 27m
Deal found 9/13![Porter Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Mon 10/261:15 pm -
Nonstop1h 30m
Mon 11/23:15 pm -
Nonstop1h 27m
Deal found 9/10![Porter Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/23:55 pm -
Nonstop1h 28m
Mon 10/52:30 pm -
Nonstop1h 27m
Deal found 9/10![Porter Airlines logo]()
$292
Best flights from Boston to OttawaDiscover carefully curated flight deals from Boston to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from Boston to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/23:55 pm -
Nonstop1h 28m
Mon 10/52:30 pm -
Nonstop1h 27m
Deal found 9/10![Porter Airlines logo]()
$292
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/46:00 am -
1 stop7h 59m
Tue 10/66:00 am -
3 stops10h 21m
Deal found 9/12![United Airlines logo]()
$402
This FlightHub deal was found by Cheapflights users on 9/13. 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.
Fri 11/138:00 am -
1 stop5h 14m
Mon 11/1612:45 pm -
1 stop6h 25m
Deal found 9/13![Porter Airlines logo]()
$344
This Porter Airlines deal was found by Cheapflights users on 9/14. 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 10/291:15 pm -
Nonstop1h 30m
Thu 11/53:15 pm -
Nonstop1h 27m
Deal found 9/14![Porter Airlines logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 11/255:25 pm -
1 stop4h 50m
Sun 11/295:20 pm -
1 stop4h 12m
Deal found 9/12![Porter Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/117:01 am -
1 stop6h 58m
Wed 10/146:00 am -
3 stops10h 21m
Deal found 9/14![United Airlines logo]()
$488
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 10/1912:45 pm -
1 stop4h 25m
Sat 10/244:00 pm -
2 stops8h 54m
Deal found 9/14![United Airlines logo]()
$494
This Porter Airlines deal was found by Cheapflights users on 9/14. 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.
Sun 10/1111:10 am -
1 stop6h 42m
Wed 10/148:30 am -
2 stops11h 09m
Deal found 9/14![Porter Airlines logo]()
$441
This FlightHub deal was found by Cheapflights users on 9/13. 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.
Thu 10/810:05 am -
1 stop4h 50m
Sun 10/118:30 am -
2 stops11h 09m
Deal found 9/13![Porter Airlines logo]()
$474
Last-minute flights from Boston to OttawaDiscover last-minute flight deals from Boston to Ottawa. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Boston to Ottawa. Data last updated September 15, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 9/15. 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.
Tue 9/226:30 pm -
1 stop11h 05m
Thu 9/242:20 pm -
Nonstop1h 30m
Deal found 9/15![Multiple Airlines logo]()
$403
This Trip.com deal was found by Cheapflights users on 9/15. 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.
Wed 9/236:30 pm -
1 stop11h 05m
Sat 9/262:20 pm -
Nonstop1h 30m
Deal found 9/15![Multiple Airlines logo]()
$412
This FlightHub deal was found by Cheapflights users on 9/10. 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.
Thu 9/242:20 pm -
Nonstop1h 24m
Mon 9/282:20 pm -
Nonstop1h 30m
Deal found 9/10![Porter Airlines logo]()
$329
This Air Canada deal was found by Cheapflights users on 9/10. 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 9/245:50 am -
1 stop3h 34m
Mon 9/286:00 am -
1 stop3h 50m
Deal found 9/10![Air Canada logo]()
$383
This Air Canada deal was found by Cheapflights users on 9/10. 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 9/245:50 am -
1 stop5h 40m
Sun 9/275:10 am -
1 stop4h 45m
Deal found 9/10![Air Canada logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 9/242:20 pm -
Nonstop1h 24m
Sun 9/276:25 pm -
1 stop14h 40m
Deal found 9/10![Multiple Airlines logo]()
$393
This Trip.com deal was found by Cheapflights users on 9/11. 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.
Fri 9/252:45 pm -
1 stop5h 07m
Mon 9/282:20 pm -
Nonstop1h 30m
Deal found 9/11![Multiple Airlines logo]()
$304
This flugladen.de deal was found by Cheapflights users on 9/11. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/252:20 pm -
Nonstop1h 24m
Mon 9/282:20 pm -
Nonstop1h 30m
Deal found 9/11![Porter Airlines logo]()
$307
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/252:45 pm -
1 stop5h 07m
Sun 9/275:10 am -
1 stop4h 45m
Deal found 9/10![Air Canada logo]()
$341
One-way flights from Boston to OttawaSearch for one-way flight options from Boston to Ottawa. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from Boston to Ottawa. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/281:15 pm -
Nonstop1h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Porter Airlines logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sun 9/272:20 pm -
Nonstop1h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Porter Airlines logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/271:15 pm -
Nonstop1h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Porter Airlines logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/163:55 pm -
Nonstop1h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Porter Airlines logo]()
$108
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 9/302:20 pm -
Nonstop1h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Porter Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/261:15 pm -
Nonstop1h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Porter Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Mon 9/282:20 pm -
Nonstop1h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Porter Airlines logo]()
$139
This Trip.com deal was found by Cheapflights users on 9/13. 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.
Fri 10/24:55 pm -
1 stop4h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Porter Airlines logo]()
$142
This Booking.com deal was found by Cheapflights users on 9/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:50 pm -
1 stop5h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Air Canada logo]()
$148
Find flight deals from Boston to Ottawa
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $237 (Booking.com) |
One-way from | $105 (Kiwi.com) |
Popular in | September |
Cheapest in | March |
Average price | $700 |
Good round-trip deal | $247 or less |
Good one-way deal | $187 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Ottawa 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 7,457,451 searches. Data last updated September 15, 2026.
Use the filters below to find and compare flights from Boston to Ottawa that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BostonOttawa
BOS Boston Logan Intl - YOW Ottawa
BOSYOW
Boston Logan Intl
Tue 10/27
1:15 pm-2:45 pm
Nonstop1h 30m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$107
BostonOttawa
BOS Boston Logan Intl - YOW Ottawa
BOSYOW
Boston Logan Intl
Wed 10/28
1:15 pm-2:45 pm
Nonstop1h 30m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$107
BostonOttawa
BOS Boston Logan Intl - YOW Ottawa
BOSYOW
Boston Logan Intl
Sun 10/25
8:00 am-1:14 pm
1 stop5h 14m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$139
Quickest round-trip
BostonOttawa
BOS Boston Logan Intl - YOW Ottawa
BOSYOW
Boston Logan Intl
Mon 9/21
2:20 pm-3:44 pm
Nonstop1h 24m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$196
BostonOttawa
BOS Boston Logan Intl - YOW Ottawa
BOSYOW
Boston Logan Intl
Wed 9/23
2:20 pm-3:44 pm
Nonstop1h 24m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$201
BostonOttawa
BOS Boston Logan Intl - YOW Ottawa
BOSYOW
Boston Logan Intl
Fri 10/16
10:05 am-7:47 pm
2 stops9h 42m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$206
BostonOttawa
BOS Boston Logan Intl - YOW Ottawa
BOSYOW
Boston Logan Intl
Sun 2/28
1:15 pm-2:45 pm
Nonstop1h 30m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$217
BostonOttawa
BOS Boston Logan Intl - YOW Ottawa
BOSYOW
Boston Logan Intl
Tue 10/27
6:00 am-5:20 pm
2 stops11h 20m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$223
BostonOttawa
BOS Boston Logan Intl - YOW Ottawa
BOSYOW
Boston Logan Intl
Thu 10/8
6:00 am-1:10 pm
2 stops7h 10m
Ottawa
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$223
BostonOttawa
BOS Boston Logan Intl - YOW Ottawa
BOSYOW
Boston Logan Intl
Fri 10/2
3:55 pm-5:23 pm
Nonstop1h 28m
Ottawa
Mon 10/5
2:30 pm-3:57 pm
Nonstop1h 27m
$292
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Boston to Ottawa
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Ottawa in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boston-Ottawa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Ottawa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Ottawa flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Ottawa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Ottawa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boston to Ottawa
Have a flexible travel schedule? Discover the best time to fly to Ottawa from Boston with our price prediction graph.
BOS-YOW
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 Ottawa
Prices
Airlines
How far ahead should I book a flight from Boston to Ottawa?
The price you pay for your flight from Boston to Ottawa may vary depending on when you book. For the best chance of a lower fare, look to book 58 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 Boston to Ottawa?
Currently, March is the cheapest month in which you can book a flight from Boston to Ottawa (average of $338). Flying from Boston to Ottawa in September is currently the most expensive (average of $700). 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 BOS to YOW?
Find hourly flight availability from Boston to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2026.
When flying from Boston to Ottawa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing Ottawa
Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated September 15, 2026.
See what other customers who have flown with Porter Airlines and Air Canada from Boston to Ottawa have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
6.9
Crew
8.6
Overall
8.0
Boarding
8.2
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Entertainment
6.9
Crew
8.6
Overall
8.0
Boarding
8.2
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Comfort
8.0
Entertainment
6.9
Crew
8.6
Overall
8.0
Boarding
8.2
Food
7.6
Reviews
1 / 20
6.0
GoodShannon,Jul 2026
YQT - YOW
Related info for your journey
Find useful and relevant information for your journey from Boston to Ottawa. 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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Book flights to Ottawa if you plan to visit one of these locationsGatineau
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Boston and Ottawa flights
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Top 2 airlines flying from Boston to Ottawa
Discover the top 2 airlines that operate flights from Boston to Ottawa. 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 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$183 | Average$376 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$236 | Average$434 | FlexibilityNo cancel fee | On-time67% |