Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Boston to Ottawa from C$ 169

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 18/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YOW
2 Nov — 9 Nov1
1 adult
1 adult, Economy

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 Tuesday or Monday and return on a Tuesday

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 3 October 2025.

Round-trip from

C$ 379

One-way from

C$ 169

Popular in

November

Cheapest in

May

Average price

C$ 467

Good round-trip deal

C$ 437 or less

Good one-way deal

C$ 174 or less
Porter Airlines
  • Porter Airlines
  • 21/11-29/11
  • Nonstop
  • 2h 52m total
  • Boston to Ottawa
Search Deals
Porter Airlines
  • Porter Airlines
  • 18/11
  • Nonstop
  • 1h 26m total
  • Boston to Ottawa
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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

Find flight deals from Boston to Ottawa

Enter your travel dates to find the best prices.

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 3 October 2025.

Fri 21/113:40 p.m.BOS - YOW
Nonstop1h 26mPorter Airlines
Sat 29/114:45 p.m.YOW - BOS
Nonstop1h 26mPorter Airlines
Deal found 2/10C$ 379
Sun 16/113:40 p.m.BOS - YOW
Nonstop1h 26mPorter Airlines
Sun 23/118:40 a.m.YOW - BOS
1 stop4h 00mPorter Airlines
Deal found 1/10C$ 381
Wed 29/106:16 a.m.BOS - YOW
1 stop11h 09mMultiple Airlines
Wed 5/118:40 a.m.YOW - BOS
1 stop4h 00mMultiple Airlines
Deal found 1/10C$ 384
Thu 23/103:30 p.m.BOS - YOW
Nonstop1h 28mPorter Airlines
Fri 24/105:00 p.m.YOW - BOS
Nonstop1h 28mPorter Airlines
Deal found 1/10C$ 385
Fri 14/113:40 p.m.BOS - YOW
Nonstop1h 26mPorter Airlines
Mon 17/113:35 p.m.YOW - BOS
1 stop6h 30mPorter Airlines
Deal found 3/10C$ 386
Fri 31/101:25 p.m.BOS - YOW
1 stop5h 14mPorter Airlines
Fri 7/114:45 p.m.YOW - BOS
Nonstop1h 26mPorter Airlines
Deal found 1/10C$ 388
Wed 29/103:30 p.m.BOS - YOW
Nonstop1h 29mPorter Airlines
Wed 5/114:45 p.m.YOW - BOS
Nonstop1h 26mPorter Airlines
Deal found 1/10C$ 389
Tue 21/103:30 p.m.BOS - YOW
Nonstop1h 28mPorter Airlines
Wed 5/118:40 a.m.YOW - BOS
1 stop4h 00mPorter Airlines
Deal found 1/10C$ 392
Thu 30/1010:35 a.m.BOS - YOW
1 stop3h 33mMultiple Airlines
Thu 6/114:45 p.m.YOW - BOS
Nonstop1h 26mMultiple Airlines
Deal found 2/10C$ 393
Tue 21/1012:15 p.m.BOS - YOW
1 stop4h 19mPorter Airlines
Tue 4/114:35 p.m.YOW - BOS
1 stop5h 30mPorter Airlines
Deal found 1/10C$ 396

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 629,999 searches. Data last updated 3 October 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

Sun 16/11

3:40 p.m.-5:06 p.m.

Nonstop1h 26m

Ottawa

Sun 23/11

8:40 a.m.-12:40 p.m.

1 stop4h 00m

C$ 381

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 3/12

7:00 a.m.-11:29 a.m.

1 stop4h 29m

Ottawa

Fri 5/12

8:40 a.m.-12:40 p.m.

1 stop4h 00m

C$ 381

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 30/10

3:30 p.m.-4:59 p.m.

Nonstop1h 29m

Ottawa

Thu 6/11

4:45 p.m.-6:11 p.m.

Nonstop1h 26m

C$ 385

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 31/10

1:25 p.m.-6:39 p.m.

1 stop5h 14m

Ottawa

Fri 7/11

3:35 p.m.-10:05 p.m.

1 stop6h 30m

C$ 388

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 10/12

7:00 a.m.-11:29 a.m.

1 stop4h 29m

Ottawa

Fri 12/12

4:45 p.m.-6:11 p.m.

Nonstop1h 26m

C$ 392

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 22/10

3:30 p.m.-4:58 p.m.

Nonstop1h 28m

Ottawa

Wed 5/11

8:40 a.m.-12:40 p.m.

1 stop4h 00m

C$ 392

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 22/10

3:30 p.m.-4:58 p.m.

Nonstop1h 28m

Ottawa

Tue 4/11

8:40 a.m.-2:55 p.m.

1 stop6h 15m

C$ 392

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 22/10

3:30 p.m.-4:58 p.m.

Nonstop1h 28m

Ottawa

Fri 31/10

4:55 p.m.-6:10 p.m.

Nonstop1h 15m

C$ 395

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 12/11

1:25 p.m.-7:54 p.m.

1 stop6h 29m

Ottawa

Fri 14/11

8:40 a.m.-2:55 p.m.

1 stop6h 15m

C$ 396

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 23/10

8:45 a.m.-12:59 p.m.

1 stop4h 14m

Ottawa

Wed 5/11

4:45 p.m.-6:11 p.m.

Nonstop1h 26m

C$ 399

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/10

Showing 1-10 of 17 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 26 September 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, October is the cheapest month in which you can book a flight from Boston to Ottawa (average of C$ 224). Flying from Boston to Ottawa in December is currently the most expensive (average of C$ 326). 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 3 October 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 8% on flights from Boston to Ottawa by exploring options for tickets at noon.

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 3 October 2025.
Read reviews from past customers who have flown Porter Airlines from Boston to Ottawa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
373 reviews
Check prices

Food

7.6

Overall

7.9

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Crew

8.6

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
373 reviews
Porter Airlines
7.9
Good
373 reviews
Check prices

Food

7.6

Overall

7.9

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Crew

8.6

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 1 airline has flights from Logan Intl (BOS) to Ottawa (YOW) on a regular basis. There is 1 flight 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 26m.

  • How popular is this Boston to Ottawa flight route?

    Flights from Boston Logan Intl to Ottawa have been viewed 48 times in the past calendar month.

  • How long is the flight from Boston to Ottawa?

    Airlines like Porter Airlines fly from Boston to Ottawa in about 1h 26m. The time it takes to get you to your destination is usually consistent. Boston and Ottawa are separated by a distance of 497 km. Most flights are nonstop.

  • What is the cheapest airline to fly from Boston to Ottawa round-trip?

    Cheapflights users have booked flights from Boston to Ottawa round-trip from C$ 374. This flight start at 25% lower than the current average price 3 months from now.

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

    The top 3 most reliable airlines when flying from Boston to Ottawa are Porter Airlines (69%), Porter Airlines (69%) and Air Transat (69%).

  • What are the cheapest flights from Boston to Ottawa?

    While on average a flight from Boston to Ottawa is generally C$ 342, our data shows the cheapest flight currently is C$ 111. When looking at the most popular route, (Boston Logan Intl - Ottawa), you can expect to pay C$ 372 for that flight.

  • 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, October is the cheapest month in which you can book a flight from Boston to Ottawa (average of C$ 224). Flying from Boston to Ottawa in December is currently the most expensive (average of C$ 326). 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

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Smiths Falls
Perth
Prescott
Pembroke
Wakefield

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Boston to Ottawa

Discover the top airline 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 629,999 searches. Data last updated 3 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 374AverageC$ 520FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Boston to Ottawa?

Deals for Boston to Ottawa flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Boston to Ottawa?

Millions of users choose and trust Cheapflights to book the best flight deals from Boston to Ottawa for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Boston to Ottawa with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Boston to Ottawa, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Boston to Ottawa become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.