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Cheap flights from Boston to Ottawa from C$ 146

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YOW
31 Jul — 7 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Boston Logan Intl to Ottawa are usually found in March or October, booked 56 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Cheap 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 1 July 2026.

Sat 1/87:10 a.m.
BOS
-
YOW
1 stop5h 44m
Porter Airlines
Mon 3/83:30 p.m.
YOW
-
BOS
1 stop4h 20m
Porter Airlines
Deal found 29/6C$ 387
Thu 23/73:35 p.m.
BOS
-
YOW
Nonstop1h 28m
Porter Airlines
Sun 26/72:30 p.m.
YOW
-
BOS
Nonstop1h 30m
Porter Airlines
Deal found 30/6C$ 388
Thu 13/811:10 a.m.
BOS
-
YOW
1 stop6h 44m
Porter Airlines
Thu 20/810:40 a.m.
YOW
-
BOS
1 stop6h 06m
Porter Airlines
Deal found 28/6C$ 390
Sun 26/77:10 a.m.
BOS
-
YOW
1 stop5h 44m
Porter Airlines
Sun 2/82:30 p.m.
YOW
-
BOS
Nonstop1h 30m
Porter Airlines
Deal found 27/6C$ 391
Sat 8/83:55 p.m.
BOS
-
YOW
Nonstop1h 28m
Porter Airlines
Tue 25/83:30 p.m.
YOW
-
BOS
1 stop4h 20m
Porter Airlines
Deal found 29/6C$ 392
Wed 12/83:55 p.m.
BOS
-
YOW
Nonstop1h 28m
Porter Airlines
Wed 19/810:40 a.m.
YOW
-
BOS
1 stop6h 06m
Porter Airlines
Deal found 1/7C$ 394
Mon 17/83:55 p.m.
BOS
-
YOW
Nonstop1h 28m
Porter Airlines
Tue 25/82:30 p.m.
YOW
-
BOS
Nonstop1h 30m
Porter Airlines
Deal found 1/7C$ 395
Thu 23/711:10 a.m.
BOS
-
YOW
1 stop6h 44m
Porter Airlines
Wed 29/710:40 a.m.
YOW
-
BOS
1 stop4h 14m
Porter Airlines
Deal found 27/6C$ 400
Tue 21/711:10 a.m.
BOS
-
YOW
1 stop6h 44m
Porter Airlines
Fri 24/72:30 p.m.
YOW
-
BOS
Nonstop1h 30m
Porter Airlines
Deal found 30/6C$ 401

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 1 July 2026.

Round-trip from

C$ 387

One-way from

C$ 146

Popular in

August

Cheapest in

March

Average price

C$ 549

Good one-way deal

C$ 150 or less
Porter Airlines
  • Porter Airlines
  • 1/8-3/8
  • 2 total stops
  • 10h 04m total
  • Boston to Ottawa
Search Deals
Porter Airlines
  • Porter Airlines
  • 5/9
  • Nonstop
  • 1h 28m total
  • Boston to Ottawa
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 629,999 searches. Data last updated 1 July 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

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Sat 15/8

3:55 p.m.-5:23 p.m.

Nonstop1h 28m

Ottawa

Sat 22/8

10:40 a.m.-4:46 p.m.

1 stop6h 06m

C$ 400

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 20/8

11:10 a.m.-5:54 p.m.

1 stop6h 44m

Ottawa

Mon 24/8

10:40 a.m.-3:15 p.m.

1 stop4h 35m

C$ 455

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 29/7

11:10 a.m.-5:54 p.m.

1 stop6h 44m

Ottawa

Wed 5/8

10:40 a.m.-4:46 p.m.

1 stop6h 06m

C$ 485

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Sun 26/7

7:10 a.m.-12:54 p.m.

1 stop5h 44m

Ottawa

Tue 28/7

10:40 a.m.-2:54 p.m.

1 stop4h 14m

C$ 485
Quickest round-trip

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 4/9

3:55 p.m.-5:23 p.m.

Nonstop1h 28m

Ottawa

Mon 7/9

3:30 p.m.-7:41 p.m.

1 stop4h 11m

C$ 490

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Mon 17/8

11:10 a.m.-5:54 p.m.

1 stop6h 44m

Ottawa

Tue 25/8

8:00 a.m.-6:50 p.m.

2 stops10h 50m

C$ 503

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Sat 25/7

8:10 p.m.-12:25 a.m.

1 stop4h 15m

Ottawa

Wed 29/7

8:30 a.m.-7:44 p.m.

2 stops11h 14m

C$ 525

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 13/8

10:05 a.m.-9:50 p.m.

2 stops11h 45m

Ottawa

Thu 20/8

10:40 a.m.-4:46 p.m.

1 stop6h 06m

C$ 530

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 20/8

10:05 a.m.-9:50 p.m.

2 stops11h 45m

Ottawa

Tue 25/8

8:00 a.m.-6:35 p.m.

2 stops10h 35m

C$ 549
Cheapest one-way
Quickest one-way

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Tue 28/7

3:35 p.m.-5:03 p.m.

Nonstop1h 28m

C$ 154

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/6

Showing 1-10 of 18 resultsSorted by cheapest first
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?

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 C$ 481). Flying from Boston to Ottawa in August is currently the most expensive (average of C$ 674). 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 1 July 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 23% on flights from Boston to Ottawa by exploring options for tickets in the afternoon.

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

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 1 July 2026.
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
8.0
Very good
441 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

6.9

Food

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Porter Airlines
8.0
Very good
441 reviews
Porter Airlines
8.0
Very good
441 reviews
Check prices

Boarding

8.2

Comfort

8.0

Entertainment

6.9

Food

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

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 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 41 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 28m. 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$ 379. This flight start at 30% lower than the current average price 3 months from now.

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

    For one-way options, check prices for Porter Airlines. According to our data, you can fly for as low as C$ 173. Users have also found prices from C$ 200 and C$ 249 on Air Transat and Air Canada, respectively.

  • 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 (80%), Porter Airlines (80%) and Air Transat (80%).

  • What are the cheapest flights from Boston to Ottawa?

    While on average a flight from Boston to Ottawa is generally C$ 297, our data shows the cheapest flight currently is C$ 142. When looking at the most popular route, (Boston Logan Intl - Ottawa), you can expect to pay C$ 370 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, March is the cheapest month in which you can book a flight from Boston to Ottawa (average of C$ 481). Flying from Boston to Ottawa in August is currently the most expensive (average of C$ 674). 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
Wakefield
Pembroke
Smiths Falls

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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 1 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 379AverageC$ 479FlexibilityNo 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!

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