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Ottawa

$106+ Cheap flights from Boston (BOS) to Ottawa (YOW)

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YOW
Sep 1 — Sep 81
Tue 9/1
Tue 9/8
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Ottawa are usually found in March or January, booked 56 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Boston to Ottawa

Cheapest flights from Boston to Ottawa
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 August 2, 2026.

This FlightHub deal was found by Cheapflights users on 8/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:30 pm
BOS
-
YOW
1 stop18h 57m
Porter Airlines
Thu 9/242:20 pm
YOW
-
BOS
Nonstop1h 30m
Porter Airlines
Deal found 8/1$224
This Booking.com deal was found by Cheapflights users on 8/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:55 pm
BOS
-
YOW
Nonstop1h 28m
Porter Airlines
Sat 9/58:55 pm
YOW
-
BOS
1 stop21h 40m
Porter Airlines
Deal found 8/1$243
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 10/63:55 pm
BOS
-
YOW
Nonstop1h 28m
Porter Airlines
Tue 10/132:30 pm
YOW
-
BOS
Nonstop1h 30m
Porter Airlines
Deal found 7/31$253
This Super.com deal was found by Cheapflights users on 7/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:55 pm
BOS
-
YOW
Nonstop1h 28m
Porter Airlines
Thu 8/272:30 pm
YOW
-
BOS
Nonstop1h 30m
Porter Airlines
Deal found 7/30$256
This FlightHub deal was found by Cheapflights users on 8/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:10 am
BOS
-
YOW
1 stop26h 08m
Porter Airlines
Thu 8/272:30 pm
YOW
-
BOS
Nonstop1h 30m
Porter Airlines
Deal found 8/2$257
This Trip.com deal was found by Cheapflights users on 7/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/133:55 pm
BOS
-
YOW
Nonstop1h 28m
Porter Airlines
Mon 9/1410:40 am
YOW
-
BOS
1 stop6h 06m
Porter Airlines
Deal found 7/30$259
This Kissandfly.com deal was found by Cheapflights users on 7/31. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:55 pm
BOS
-
YOW
Nonstop1h 28m
Porter Airlines
Sun 9/62:30 pm
YOW
-
BOS
Nonstop1h 30m
Porter Airlines
Deal found 7/31$260
This Mytrip deal was found by Cheapflights users on 8/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:45 pm
BOS
-
YOW
1 stop5h 07m
Air Canada
Sun 8/309:55 am
YOW
-
BOS
1 stop4h 07m
Air Canada
Deal found 8/1$262
This Trip.com deal was found by Cheapflights users on 8/1. 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.
Wed 8/267:10 am
BOS
-
YOW
1 stop5h 44m
Porter Airlines
Tue 9/12:30 pm
YOW
-
BOS
Nonstop1h 30m
Porter Airlines
Deal found 8/1$263
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:55 pm
BOS
-
YOW
Nonstop1h 28m
Porter Airlines
Sun 8/302:30 pm
YOW
-
BOS
Nonstop1h 30m
Porter Airlines
Deal found 8/2$264

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 August 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$224
(FlightHub)

One-way from

$106
(Kiwi.com)

Popular in

August

Cheapest in

March

Average price

$455

Good round-trip deal

$303 or less

Good one-way deal

$176 or less
Provider with most accurate pricing for Boston Logan Intl-Ottawa flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-Ottawa flights.
Search Deals
From Boston Logan Intl to Ottawa
Search Deals
One-way flight from Boston Logan Intl to Ottawa
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Ottawa.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Ottawa.
Search Deals

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 2,558,603 searches. Data last updated August 2, 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

Price

Cheapest round-trip
Quickest round-trip

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 9/16

2:20 pm-3:44 pm

Nonstop1h 24m

Ottawa

Wed 9/23

2:20 pm-3:50 pm

Nonstop1h 30m

$305

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 8/27

3:55 pm-5:23 pm

Nonstop1h 28m

Ottawa

Sun 8/30

2:30 pm-4:00 pm

Nonstop1h 30m

$305

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 10/16

7:00 am-11:27 am

1 stop4h 27m

Ottawa

Fri 10/16

2:30 pm-4:00 pm

Nonstop1h 30m

$315

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Mon 9/14

11:10 am-5:52 pm

1 stop6h 42m

Ottawa

Mon 9/21

10:40 am-4:46 pm

1 stop6h 06m

$316

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Tue 9/15

11:10 am-5:52 pm

1 stop6h 42m

Ottawa

Tue 9/22

8:30 am-7:41 pm

2 stops11h 11m

$321

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Sun 9/13

7:30 am-4:38 pm

1 stop9h 08m

Ottawa

Sun 9/20

5:57 pm-9:59 pm

1 stop4h 02m

$341

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Tue 8/25

3:55 pm-5:23 pm

Nonstop1h 28m

Ottawa

Fri 8/28

3:30 pm-7:50 pm

1 stop4h 20m

$341
Cheapest one-way

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Tue 8/25

5:30 pm-9:44 pm

1 stop4h 14m

$129

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Tue 8/25

2:45 pm-7:52 pm

1 stop5h 07m

$132

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Tue 8/25

8:05 am-1:59 pm

1 stop5h 54m

$136

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*2 stars
Super.comPrice Accuracy-Trust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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

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 55 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 August is currently the most expensive (average of $455). 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 August 2, 2026.

One of the essential ways to save on airfare from Boston to Ottawa is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 39% on airfare.

How much does it cost to fly round-trip from Boston to Ottawa?

Airfare is below average for this route at the moment.

Boston to Ottawa flights typically cost between $393 and $740 in September.
The cheapest round-trip price found within the last 5 days was $224 on Porter Airlines (Sep 23-Sep 24).

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 August 2, 2026.
See what other customers who have flown with Porter Airlines,Air Transat, andAir 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.
Porter Airlines
8.0
Very good
450 reviews

Overall

8.0

Food

7.5

Crew

8.6

Entertainment

6.9

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
450 reviews
Porter Airlines
8.0
Very good
450 reviews

Overall

8.0

Food

7.5

Crew

8.6

Entertainment

6.9

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Transat
7.8
Good
569 reviews
Porter Airlines
8.0
Very good
450 reviews

Overall

8.0

Food

7.5

Crew

8.6

Entertainment

6.9

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,420 reviews
Porter Airlines
8.0
Very good
450 reviews

Overall

8.0

Food

7.5

Crew

8.6

Entertainment

6.9

Comfort

8.0

Boarding

8.2

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

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.

  • What airports do I use to fly from Boston to Ottawa?

    You will need to book a flight from Boston Logan Intl to Ottawa if you want to fly from Boston to Ottawa. At least 3 different airlines have flights from Logan Intl (BOS) to Ottawa (YOW) on a regular basis. There are 2 flights to Ottawa from the Boston airport per day. If you manage to book one that is nonstop, then you can expect the flight time from BOS to YOW to be around 1h 28m.

  • How popular is this Boston to Ottawa flight route?

    Flights from Boston Logan Intl to Ottawa have been viewed 7 times in the past calendar month.

  • How long is the flight from Boston to Ottawa?

    For as low as $305, Porter Airlines can have you in Ottawa from Boston in 1h 24m. Airlines will cover a distance of 309 mi. Most flights are nonstop.

  • What are the cheapest airlines flying from Boston to Ottawa round-trip?

    Air Transat, at $145, was found to be the cheapest airline from Boston to Ottawa.Alternate airlines to your destination round-trip include Porter Airlines and Air Canada. Air Transat is currently priced 62% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Boston to Ottawa one-way?

    To fly one-way, consider booking your trip with Porter Airlines, which is currently one of the cheapest options available, starting at $117. Air Transat flights start at $170 while deals on Air Canada start at $239 one-way.

  • What are the most reliable airlines from Boston to Ottawa?

    Before booking your flight to Ottawa from Boston, check out the most reliable airlines to get you to your destination on time: Porter Airlines (57%), Porter Airlines (57%), Air Transat( 57%).

  • What are the cheapest flights from Boston to Ottawa?

    Looking for the cheapest flight from Boston to Ottawa? While on average our users pay $443, our data indicates the cheapest price to be $117. The most popular route (Boston Logan Intl - Ottawa), is priced around $253.

  • Can I find deals for flights from Boston to Ottawa that include hotel bookings?

    Yes. In addition to deals on Boston to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Ottawa.

  • Can I find deals for business class flights from Boston to Ottawa?

    Yes. Cheapflights offers flight deals from Boston to Ottawa 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 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 August is currently the most expensive (average of $455). 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

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau

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Top 3 airlines flying from Boston to Ottawa

Discover the top 3 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 2,558,603 searches. Data last updated August 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest$145Average$427FlexibilityNo cancel feeOn-time50%
Porter AirlinesCheapest$169Average$381FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$236Average$434FlexibilityNo cancel feeOn-time67%

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