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$121+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YOW
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Ottawa are usually found in May or June, booked 35 days in advance, depart on a Friday or Saturday and return on a Sunday

Cheap 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, 2025.

Round-trip from

$258
(Kiwi.com)

One-way from

$121
(Kiwi.com)

Popular in

November

Cheapest in

May

Average price

$376

Good round-trip deal

$353 or less

Good one-way deal

$148 or less
From Boston Logan Intl to Ottawa
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One-way flight from Boston Logan Intl to Ottawa
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Highest demand for flights based on searches. 13% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Ottawa.
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Price to beat on a one-way flight from Boston Logan Intl to Ottawa.
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Find 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 September 15, 2025.

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.
Thu 10/168:45 amBOS - YOW
1 stop4h 14mPorter Airlines
Mon 10/205:00 pmYOW - BOS
Nonstop1h 28mPorter Airlines
Deal found 9/14$258
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.
Sat 10/43:50 pmBOS - YOW
Nonstop1h 28mPorter Airlines
Sun 10/54:30 pmYOW - BOS
Nonstop1h 28mPorter Airlines
Deal found 9/13$260
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 10/178:45 amBOS - YOW
1 stop4h 14mPorter Airlines
Mon 10/201:25 pmYOW - BOS
1 stop3h 26mPorter Airlines
Deal found 9/13$261
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 10/143:30 pmBOS - YOW
Nonstop1h 28mPorter Airlines
Mon 10/205:00 pmYOW - BOS
Nonstop1h 28mPorter Airlines
Deal found 9/15$262
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.
Sat 10/46:30 pmBOS - YOW
1 stop12h 15mMultiple Airlines
Sun 10/54:30 pmYOW - BOS
Nonstop1h 28mMultiple Airlines
Deal found 9/13$263
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1112:15 pmBOS - YOW
1 stop5h 54mPorter Airlines
Mon 10/1311:00 amYOW - BOS
1 stop3h 41mPorter Airlines
Deal found 9/14$267
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 10/1012:15 pmBOS - YOW
1 stop4h 19mPorter Airlines
Mon 10/131:25 pmYOW - BOS
1 stop3h 26mPorter Airlines
Deal found 9/13$269

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 September 15, 2025.
Use the filters below to find and compare flights from Boston to Ottawa that are best for you.

Fly from

Boston

Fly to

Ottawa

Route

Depart

Return

Price

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 10/16

8:45 am-12:59 pm

1 stop4h 14m

Ottawa

Mon 10/20

5:00 pm-6:28 pm

Nonstop1h 28m

$258

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 10/17

8:45 am-12:59 pm

1 stop4h 14m

Ottawa

Mon 10/20

1:25 pm-4:51 pm

1 stop3h 26m

$261

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Sat 10/18

3:50 pm-5:18 pm

Nonstop1h 28m

Ottawa

Mon 10/20

1:25 pm-4:51 pm

1 stop3h 26m

$264

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 10/10

12:15 pm-4:34 pm

1 stop4h 19m

Ottawa

Mon 10/13

11:00 am-2:41 pm

1 stop3h 41m

$268

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Mon 10/20

12:40 pm-4:34 pm

1 stop3h 54m

$121

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Sun 10/12

12:15 pm-4:34 pm

1 stop4h 19m

$122

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 10/23

8:24 pm-12:22 am

2 stops27h 58m

$124

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 10/16

3:30 pm-4:58 pm

Nonstop1h 28m

$124

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Mon 10/13

12:40 pm-6:09 pm

1 stop5h 29m

$125

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Mon 10/13

8:24 pm-5:20 pm

1 stop20h 56m

$146

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 14 results
1
2

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?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Ottawa. Price data was last updated on September 12, 2025.

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 35 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, January is the cheapest month in which you can book a flight from Boston to Ottawa (average of $294). Flying from Boston to Ottawa in September is currently the most expensive (average of $419). 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, 2025.

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 afternoon tend to be the most expensive. A flight at noon could potentially save you up to 34% on airfare.

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, 2025.
See what other customers who have flown with Porter Airlines, Air Transat, 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.
Porter Airlines
7.9
Good
363 reviews

Entertainment

7.0

Crew

8.6

Comfort

7.9

Overall

7.9

Food

7.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews

Entertainment

7.0

Crew

8.6

Comfort

7.9

Overall

7.9

Food

7.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.7
Good
438 reviews
Porter Airlines
7.9
Good
363 reviews

Entertainment

7.0

Crew

8.6

Comfort

7.9

Overall

7.9

Food

7.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews

Entertainment

7.0

Crew

8.6

Comfort

7.9

Overall

7.9

Food

7.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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 9 times in the past calendar month.

  • How long is the flight from Boston to Ottawa?

    For as low as $258, Porter Airlines can have you in Ottawa from Boston in 4h 14m. Airlines will cover a distance of 309 mi.

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

    Porter Airlines, at $150, was found to be the cheapest airline from Boston to Ottawa.Alternate airlines to your destination round-trip include Air Canada and Air Transat. Porter Airlines is currently priced 58% below the average price you’ll pay for this route.

  • 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 (64%), Porter Airlines (64%), Air Transat( 64%).

  • What are the cheapest flights from Boston to Ottawa?

    Looking for the cheapest flight from Boston to Ottawa? While on average our users pay $317, our data indicates the cheapest price to be $78. The most popular route (Boston Logan Intl - Ottawa), is priced around $260.

  • 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, January is the cheapest month in which you can book a flight from Boston to Ottawa (average of $294). Flying from Boston to Ottawa in September is currently the most expensive (average of $419). 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
Petawawa

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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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$150Average$356FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$217Average$543FlexibilityNo cancel feeOn-time67%
Air TransatCheapest$291Average$380FlexibilityNo cancel feeOn-time50%

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