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Cheap flights from Boston to Ottawa from $121

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Ottawa departing on 11/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Porter Airlines Logo
3:30 pm - 4:58 pmBOS-YOW
1h 28mnonstop
Porter Airlines Logo
5:00 pm - 6:28 pmYOW-BOS
1h 28mnonstop
$273Porter Airlines
Find Deal
Fri, Oct 17 - Mon, Oct 20
Porter Airlines Logo
7:05 am - 11:29 amBOS-YOW
4h 24m1 stop
Porter Airlines Logo
8:40 am - 12:40 pmYOW-BOS
4h 00m1 stop
$274Porter Airlines
Find Deal
Sun, Nov 2 - Sun, Nov 9
Porter Airlines Logo
12:15 pm - 4:34 pmBOS-YOW
4h 19m1 stop
Porter Airlines Logo
11:00 am - 2:41 pmYOW-BOS
3h 41m1 stop
$275Porter Airlines
Find Deal
Fri, Oct 17 - Mon, Oct 20
Porter Airlines Logo
7:05 am - 11:29 amBOS-YOW
4h 24m1 stop
Porter Airlines Logo
8:40 am - 2:45 pmYOW-BOS
6h 05m1 stop
$276Porter Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
Porter Airlines Logo
3:30 pm - 4:58 pmBOS-YOW
1h 28mnonstop
Porter Airlines Logo
5:00 pm - 6:28 pmYOW-BOS
1h 28mnonstop
$277Porter Airlines
Find Deal
Fri, Oct 17 - Mon, Oct 20
Porter Airlines Logo
3:30 pm - 4:58 pmBOS-YOW
1h 28mnonstop
Porter Airlines Logo
7:00 am - 11:31 amYOW-BOS
4h 31m1 stop
$278Porter Airlines
Find Deal
Thu, Oct 16 - Sun, Oct 19
Porter Airlines Logo
3:30 pm - 4:59 pmBOS-YOW
1h 29mnonstop
Porter Airlines Logo
4:55 pm - 6:10 pmYOW-BOS
1h 15mnonstop
$279Porter Airlines
Find Deal
Fri, Nov 21 - Mon, Nov 24
Porter Airlines Logo
3:30 pm - 4:58 pmBOS-YOW
1h 28mnonstop
Porter Airlines Logo
7:00 am - 11:31 amYOW-BOS
4h 31m1 stop
$280Porter Airlines
Find Deal
Fri, Oct 17 - Sun, Oct 19
Multiple Airlines Logo
3:00 pm - 5:20 pmBOS-YOW
26h 20m1 stop
Multiple Airlines Logo
5:00 pm - 6:28 pmYOW-BOS
1h 28mnonstop
$283Multiple Airlines
Find Deal
Wed, Oct 1 - Tue, Oct 7
Multiple Airlines Logo
3:30 pm - 4:59 pmBOS-YOW
1h 29mnonstop
Multiple Airlines Logo
4:55 pm - 6:10 pmYOW-BOS
1h 15mnonstop
$302Multiple Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8

Porter Airlines flights from Boston to Ottawa

Our best Porter Airlines deals on Boston to Ottawa flight tickets
Porter Airlines
Oct 17
BOS3:30 pmBoston Logan Intl
1h 28m
YOW4:58 pmOttawa
Oct 20
YOW5:00 pmOttawa
1h 28m
BOS6:28 pmBoston Logan Intl
$273
Find similar
Porter Airlines
Nov 2
BOS7:05 amBoston Logan Intl
4h 24m
1 stop
YOW11:29 amOttawa
Nov 9
YOW8:40 amOttawa
4h 00m
1 stop
BOS12:40 pmBoston Logan Intl
$274
Find similar
Porter Airlines
Oct 17
BOS12:15 pmBoston Logan Intl
4h 19m
1 stop
YOW4:34 pmOttawa
Oct 20
YOW11:00 amOttawa
3h 41m
1 stop
BOS2:41 pmBoston Logan Intl
$275
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 19, 2025.
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

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 10/17

3:30 pm-4:58 pm

Nonstop1h 28m

Ottawa

Mon 10/20

5:00 pm-6:28 pm

Nonstop1h 28m

$273

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Sun 11/2

7:05 am-11:29 am

1 stop4h 24m

Ottawa

Sun 11/9

8:40 am-12:40 pm

1 stop4h 00m

$274

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 10/17

12:15 pm-4:34 pm

1 stop4h 19m

Ottawa

Mon 10/20

11:00 am-2:41 pm

1 stop3h 41m

$275

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Sat 11/1

7:05 am-11:29 am

1 stop4h 24m

Ottawa

Sat 11/8

8:40 am-2:45 pm

1 stop6h 05m

$276

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 10/17

3:30 pm-4:58 pm

Nonstop1h 28m

Ottawa

Mon 10/20

5:00 pm-6:28 pm

Nonstop1h 28m

$277

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 10/16

3:30 pm-4:58 pm

Nonstop1h 28m

Ottawa

Sun 10/19

7:00 am-11:31 am

1 stop4h 31m

$278

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 11/21

3:30 pm-4:59 pm

Nonstop1h 29m

Ottawa

Mon 11/24

4:55 pm-6:10 pm

Nonstop1h 15m

$279

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 10/17

3:30 pm-4:58 pm

Nonstop1h 28m

Ottawa

Sun 10/19

7:00 am-11:31 am

1 stop4h 31m

$280

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 10/1

3:00 pm-5:20 pm

1 stop26h 20m

Ottawa

Tue 10/7

5:00 pm-6:28 pm

Nonstop1h 28m

$283

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Sat 11/1

3:30 pm-4:59 pm

Nonstop1h 29m

Ottawa

Sat 11/8

4:55 pm-6:10 pm

Nonstop1h 15m

$302

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ottawa from

How to get the cheapest flight ticket from Boston to Ottawa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ottawa?

In general, May is the cheapest month to fly from Boston to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $293. The month of June is another great option to travel to Ottawa, with average flight prices from Boston averaging around $310.

What is the cheapest day to depart on your flight to Ottawa?

The cheapest day to depart from Boston to Ottawa is on a Friday. Travelers who choose to depart for Ottawa on a Friday will often find tickets for as low as $381. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Sunday is $488.

What is the cheapest time of day to depart on your flight to Ottawa?

At noon is the cheapest time of day to fly from Boston to Ottawa when you can find flight prices for as low as $272. Flying to Ottawa at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $411 on average. Flights to Ottawa from Boston in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Boston Logan Intl to Ottawa flight route?

Fly from Boston Logan Intl to Ottawa for the best Boston Logan Intl - Ottawa flight prices

How far in advance should I book a flight to Ottawa?

You are more likely to see cheaper flights to Ottawa from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around $358 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ottawa from Boston for as low as $146 on momondo.

What cabin class options are available on Boston Logan Intl to Ottawa flights?

There are 3 cabin classes available to choose from on Boston Logan Intl to Ottawa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Boston to Ottawa flight prices changed over time?

As of September 2025, prices for Boston to Ottawa flights are approximately 2% more expensive when compared to flights at the same time last year.

When to book flights from Boston to Ottawa

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Ottawa according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Ottawa (BOS to YOW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Ottawa

Best Price Found

$148

Fastest flight time

1h 28m

Direct flights

Every day

Airports in Ottawa

1 airport
The best one-way flight to Ottawa from Boston in the past 72 hours is $148. The best round-trip flight deal from Boston to Ottawa found on momondo in the last 72 hours is $353.
The fastest flight from Boston to Ottawa takes 1h 28m
Direct flights go from Boston to Ottawa every day.
There is 1 airport near Ottawa: Ottawa (YOW)
Search flight deals

  • How far is Boston Logan Intl to Ottawa by plane?

    There are 312.5 mi between Boston Logan Intl and Ottawa. By plane, this route typically takes 1h 28m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Ottawa Airport?

    Prices for flights from Boston Logan Intl Airport to Ottawa Airport are updated daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Ottawa Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Ottawa Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Ottawa Airport.

  • What documentation or ID do you need to fly to Ottawa Airport?

    The travel and health documents required for your trip to Ottawa Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ottawa Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Boston to Ottawa?

  • What is the most popular airline from Boston to Ottawa?

Best airlines flying from Boston to Ottawa

Compare and see reviews for airlines that fly from Boston to Ottawa with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom $150Free CancellationRating
7.9
365 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $217Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Air TransatPriceFrom $291Free CancellationRating
7.7
441 reviews
Search Air Transat flights

  • Porter Airlines Flights From Boston to Ottawa

    Porter Airlines flight deals from Boston to Ottawa start from $150 round-trip. Over the 5 Porter Airlines flights for this route in a normal week, average airfare is usually $356 round-trip - but some users have found much cheaper deals with momondo.

  • Air Transat Flights From Boston to Ottawa

    Air Transat (7.7/10 from 441 reviews) operates around 5 flights from Boston to Ottawa in any given week. The average Air Transat airfare for this route is around $380, with deals from around $291 rare but found on momondo. Referenced prices are for round-trip Boston to Ottawa flight searches in the last 72 hours.

Traveling to a place near Ottawa?

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

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Ottawa?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Ottawa for you.

Can I find flights from Boston to Ottawa with flexible booking policies on momondo?

Yes. All flights to Ottawa from Boston on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Boston to Ottawa?

Once all potential Boston to Ottawa flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Boston to Ottawa right now. Can momondo alert me if prices change?

Price alerts on flights to Ottawa from Boston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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