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Cheap flights from Boston to Ottawa from C$ 181

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YOW
14 Jun — 21 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Boston Logan Intl to Ottawa are usually found in January or March, 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 15 May 2026.

Thu 4/63:25 p.m.
BOS
-
YOW
Nonstop1h 28m
Multiple Airlines
Wed 10/66:55 a.m.
YOW
-
BOS
1 stop7h 46m
Multiple Airlines
Deal found 13/5C$ 494
Mon 1/67:10 a.m.
BOS
-
YOW
1 stop5h 44m
Multiple Airlines
Wed 3/66:55 a.m.
YOW
-
BOS
1 stop7h 46m
Multiple Airlines
Deal found 14/5C$ 500
Tue 16/63:25 p.m.
BOS
-
YOW
Nonstop1h 28m
Multiple Airlines
Sat 20/66:55 a.m.
YOW
-
BOS
1 stop10h 40m
Multiple Airlines
Deal found 12/5C$ 502
Wed 17/67:10 a.m.
BOS
-
YOW
1 stop5h 44m
Porter Airlines
Wed 17/65:35 p.m.
YOW
-
BOS
Nonstop1h 30m
Porter Airlines
Deal found 14/5C$ 503
Thu 4/63:25 p.m.
BOS
-
YOW
Nonstop1h 28m
Porter Airlines
Tue 16/65:35 p.m.
YOW
-
BOS
Nonstop1h 30m
Porter Airlines
Deal found 11/5C$ 506
Mon 8/63:25 p.m.
BOS
-
YOW
Nonstop1h 28m
Multiple Airlines
Fri 19/66:55 a.m.
YOW
-
BOS
1 stop10h 40m
Multiple Airlines
Deal found 13/5C$ 510
Thu 28/57:10 a.m.
BOS
-
YOW
1 stop5h 44m
Porter Airlines
Mon 1/62:30 p.m.
YOW
-
BOS
Nonstop1h 30m
Porter Airlines
Deal found 13/5C$ 511
Sat 30/53:25 p.m.
BOS
-
YOW
Nonstop1h 25m
Porter Airlines
Tue 2/611:00 a.m.
YOW
-
BOS
1 stop5h 46m
Porter Airlines
Deal found 11/5C$ 514
Wed 27/53:25 p.m.
BOS
-
YOW
Nonstop1h 25m
Multiple Airlines
Sun 31/56:55 a.m.
YOW
-
BOS
1 stop26h 10m
Multiple Airlines
Deal found 11/5C$ 516
Sat 30/53:25 p.m.
BOS
-
YOW
Nonstop1h 25m
Porter Airlines
Wed 10/65:35 p.m.
YOW
-
BOS
Nonstop1h 30m
Porter Airlines
Deal found 12/5C$ 517
Thu 4/63:25 p.m.
BOS
-
YOW
Nonstop1h 28m
Porter Airlines
Sat 6/62:30 p.m.
YOW
-
BOS
Nonstop1h 30m
Porter Airlines
Deal found 12/5C$ 518

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 15 May 2026.

Round-trip from

C$ 494

One-way from

C$ 181

Popular in

August

Cheapest in

January

Average price

C$ 502

Good one-way deal

C$ 192 or less
4/6-10/6
  • 4/6-10/6
  • 1 total stop
  • 9h 14m total
  • Boston to Ottawa
Search Deals
Porter Airlines
  • Porter Airlines
  • 12/9
  • 1 total stop
  • 5h 44m total
  • Boston to Ottawa
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 39 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 May 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 15 May 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

Fri 12/6

6:55 p.m.-1:36 a.m.

1 stop6h 41m

Ottawa

Mon 15/6

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

Nonstop1h 30m

C$ 533

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 5/6

5:45 a.m.-10:03 a.m.

1 stop4h 18m

Ottawa

Wed 10/6

6:05 a.m.-11:16 a.m.

1 stop5h 11m

C$ 577

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 12/6

6:00 a.m.-4:38 p.m.

1 stop10h 38m

Ottawa

Sun 14/6

6:05 a.m.-11:16 a.m.

1 stop5h 11m

C$ 577

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 3/6

10:55 a.m.-4:38 p.m.

1 stop5h 43m

Ottawa

Sat 6/6

7:30 p.m.-11:59 p.m.

1 stop4h 29m

C$ 577
Quickest round-trip

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 3/6

3:25 p.m.-4:53 p.m.

Nonstop1h 28m

Ottawa

Sat 6/6

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

Nonstop1h 30m

C$ 601

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 4/6

10:05 a.m.-7:47 p.m.

2 stops9h 42m

Ottawa

Sat 6/6

11:00 a.m.-4:46 p.m.

1 stop5h 46m

C$ 635

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 10/6

7:30 a.m.-3:11 p.m.

2 stops7h 41m

Ottawa

Wed 17/6

4:00 p.m.-10:39 p.m.

1 stop6h 39m

C$ 697

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 26/6

10:50 a.m.-5:10 p.m.

1 stop6h 20m

Ottawa

Mon 29/6

2:00 p.m.-1:14 a.m.

2 stops11h 14m

C$ 726
Cheapest one-way

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Sat 12/9

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

1 stop5h 44m

C$ 181

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 4/6

5:45 a.m.-2:17 p.m.

1 stop8h 32m

C$ 243

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/5

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, January is the cheapest month in which you can book a flight from Boston to Ottawa (average of C$ 458). Flying from Boston to Ottawa in August is currently the most expensive (average of C$ 577). 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 15 May 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 24% 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 15 May 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
439 reviews
Check prices

Boarding

8.2

Food

7.6

Comfort

8.0

Entertainment

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
439 reviews
Porter Airlines
8.0
Very good
439 reviews
Check prices

Boarding

8.2

Food

7.6

Comfort

8.0

Entertainment

7.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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 25m.

  • How popular is this Boston to Ottawa flight route?

    Flights from Boston Logan Intl to Ottawa have been viewed 49 times in the past calendar month.

  • How long is the flight from Boston to Ottawa?

    Airlines like United Airlines fly from Boston to Ottawa in about 4h 18m. The time it takes to get you to your destination can typically vary by up to . Boston and Ottawa are separated by a distance of 497 km.

  • 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$ 367. This flight start at 27% 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$ 155. Users have also found prices from C$ 193 and C$ 193 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 (77%), Porter Airlines (77%) and Air Transat (77%).

  • What are the cheapest flights from Boston to Ottawa?

    While on average a flight from Boston to Ottawa is generally C$ 234, our data shows the cheapest flight currently is C$ 124. When looking at the most popular route, (Boston Logan Intl - Ottawa), you can expect to pay C$ 472 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, January is the cheapest month in which you can book a flight from Boston to Ottawa (average of C$ 458). Flying from Boston to Ottawa in August is currently the most expensive (average of C$ 577). 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

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 15 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 367AverageC$ 463FlexibilityNo 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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