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Cheap flights from Boston to Ottawa from C$ 159

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 27/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YOW
11 Sep — 18 Sep1
1 adult
1 adult, Economy, 0 bags
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 Wednesday or Tuesday 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 12 August 2026.

Thu 22/103:55 p.m. -
Nonstop1h 28m
Sat 24/102:30 p.m. -
Nonstop1h 30m
Deal found 7/8C$ 304
Sat 5/95:45 a.m. -
1 stop3h 39m
Sat 5/912:25 p.m. -
1 stop6h 32m
Deal found 8/8C$ 308
Thu 8/105:50 a.m. -
1 stop4h 43m
Mon 12/109:55 a.m. -
1 stop4h 07m
Deal found 7/8C$ 358
Sat 29/83:55 p.m. -
Nonstop1h 28m
Mon 31/82:30 p.m. -
Nonstop1h 30m
Deal found 8/8C$ 364
Tue 1/93:55 p.m. -
Nonstop1h 24m
Thu 3/92:30 p.m. -
Nonstop1h 30m
Deal found 11/8C$ 382
Wed 16/92:20 p.m. -
Nonstop1h 24m
Sat 26/92:20 p.m. -
Nonstop1h 30m
Deal found 11/8C$ 384

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 12 August 2026.

Round-trip from

C$ 308

One-way from

C$ 159

Popular in

June

Cheapest in

March

Average price

C$ 605

Good one-way deal

C$ 194 or less
Air Canada
  • Air Canada
  • 5/9-5/9
  • 2 total stops
  • 10h 11m total
  • Boston to Ottawa
Search Deals
Porter Airlines
  • Porter Airlines
  • 27/9
  • Nonstop
  • 1h 24m total
  • Boston to Ottawa
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 12 August 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 Boston Logan Intl - YOW Ottawa

BOSYOW

Boston Logan Intl

Thu 22/10

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

Nonstop1h 28m

Ottawa

Sat 24/10

2:30 p.m.-4:00 p.m.

Nonstop1h 30m

C$ 304

BostonOttawa

BOS Boston Logan Intl - YOW Ottawa

BOSYOW

Boston Logan Intl

Sat 29/8

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

Nonstop1h 28m

Ottawa

Wed 2/9

2:30 p.m.-4:00 p.m.

Nonstop1h 30m

C$ 391
Quickest round-trip

BostonOttawa

BOS Boston Logan Intl - YOW Ottawa

BOSYOW

Boston Logan Intl

Sun 6/9

3:40 p.m.-5:04 p.m.

Nonstop1h 24m

Ottawa

Sat 12/9

2:20 p.m.-3:50 p.m.

Nonstop1h 30m

C$ 552

BostonOttawa

BOS Boston Logan Intl - YOW Ottawa

BOSYOW

Boston Logan Intl

Wed 26/8

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

Nonstop1h 28m

Ottawa

Fri 28/8

2:30 p.m.-4:00 p.m.

Nonstop1h 30m

C$ 556

BostonOttawa

BOS Boston Logan Intl - YOW Ottawa

BOSYOW

Boston Logan Intl

Thu 8/10

7:00 a.m.-12:52 p.m.

1 stop5h 52m

Ottawa

Mon 12/10

8:30 a.m.-7:41 p.m.

2 stops11h 11m

C$ 564

BostonOttawa

BOS Boston Logan Intl - YOW Ottawa

BOSYOW

Boston Logan Intl

Tue 22/9

2:20 p.m.-3:44 p.m.

Nonstop1h 24m

Ottawa

Tue 29/9

8:00 a.m.-1:40 p.m.

1 stop5h 40m

C$ 566
Cheapest one-way

BostonOttawa

BOS Boston Logan Intl - YOW Ottawa

BOSYOW

Boston Logan Intl

Sun 30/8

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

Nonstop1h 28m

C$ 163

BostonOttawa

BOS Boston Logan Intl - YOW Ottawa

BOSYOW

Boston Logan Intl

Sun 30/8

2:45 p.m.-7:52 p.m.

1 stop5h 07m

C$ 167
Quickest one-way

BostonOttawa

BOS Boston Logan Intl - YOW Ottawa

BOSYOW

Boston Logan Intl

Tue 29/9

2:20 p.m.-3:44 p.m.

Nonstop1h 24m

C$ 192

BostonOttawa

BOS Boston Logan Intl - YOW Ottawa

BOSYOW

Boston Logan Intl

Wed 9/9

2:20 p.m.-3:44 p.m.

Nonstop1h 24m

C$ 203

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 17 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$ 471). Flying from Boston to Ottawa in June is currently the most expensive (average of C$ 609). 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 12 August 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?

Airfare is below average for this route at the moment.

Boston to Ottawa flights typically cost between C$ 461 and C$ 893 in September.
The cheapest round-trip price found within the last 5 days was C$ 308 on Air Canada (5 Sep-5 Sep).

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 12 August 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
456 reviews
Check prices

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Crew

8.6

Food

7.5

Overall

8.0

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
456 reviews
Porter Airlines
8.0
Very good
456 reviews
Check prices

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Crew

8.6

Food

7.5

Overall

8.0

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 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 24m.

  • How popular is this Boston to Ottawa flight route?

    Flights from Boston Logan Intl to Ottawa have been viewed 40 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$ 372. 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$ 157. Users have also found prices from C$ 196 and C$ 244 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 (57%), Porter Airlines (57%) and Air Transat (57%).

  • What are the cheapest flights from Boston to Ottawa?

    While on average a flight from Boston to Ottawa is generally C$ 345, our data shows the cheapest flight currently is C$ 132. When looking at the most popular route, (Boston Logan Intl - Ottawa), you can expect to pay C$ 382 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$ 471). Flying from Boston to Ottawa in June is currently the most expensive (average of C$ 609). 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
Prescott
Brockville
Wakefield
Pembroke
Smiths Falls

Browse thousands of different options on Cheapflights for your next trip

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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 12 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 372AverageC$ 470FlexibilityNo 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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