Cheap flights from Boston to Ottawa from $115

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 9/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boston to Ottawa (BOS-YOW)

Cheap round-trip flights

 Logo
3:30 pm - 4:59 pmBOS-YOW
1h 29mnonstop
 Logo
5:40 am - 2:45 pmYOW-BOS
9h 05m1 stop
Fri, Nov 7 - Mon, Nov 10
Porter Airlines Logo
3:30 pm - 4:58 pmBOS-YOW
1h 28mnonstop
Porter Airlines Logo
4:30 pm - 5:58 pmYOW-BOS
1h 28mnonstop
$303Porter Airlines
Find Deal
Thu, Oct 9 - Sun, Oct 12
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
$304Porter Airlines
Find Deal
Thu, Oct 9 - Sun, Oct 12
Porter Airlines Logo
3:30 pm - 4:58 pmBOS-YOW
1h 28mnonstop
Porter Airlines Logo
5:00 pm - 6:28 pmYOW-BOS
1h 28mnonstop
$309Porter Airlines
Find Deal
Wed, Sep 24 - Wed, Oct 1
Porter Airlines Logo
3:30 pm - 4:58 pmBOS-YOW
1h 28mnonstop
Porter Airlines Logo
6:00 pm - 10:01 pmYOW-BOS
4h 01m1 stop
$311Porter Airlines
Find Deal
Thu, Sep 25 - Mon, Sep 29
Porter Airlines Logo
3:30 pm - 4:58 pmBOS-YOW
1h 28mnonstop
Porter Airlines Logo
3:25 pm - 10:01 pmYOW-BOS
6h 36m1 stop
$312Porter Airlines
Find Deal
Thu, Oct 9 - Sun, Oct 12
Porter Airlines Logo
8:45 am - 12:59 pmBOS-YOW
4h 14m1 stop
Porter Airlines Logo
11:00 am - 2:41 pmYOW-BOS
3h 41m1 stop
$313Porter Airlines
Find Deal
Thu, Sep 25 - Mon, Sep 29
Porter Airlines Logo
3:30 pm - 4:58 pmBOS-YOW
1h 28mnonstop
Porter Airlines Logo
3:25 pm - 10:01 pmYOW-BOS
6h 36m1 stop
$314Porter Airlines
Find Deal
Thu, Oct 2 - Sun, Oct 5
 Logo
3:30 pm - 4:59 pmBOS-YOW
1h 29mnonstop
 Logo
5:40 am - 2:45 pmYOW-BOS
9h 05m1 stop
Mon, Nov 3 - Fri, Nov 7
Air Transat Logo
3:30 pm - 4:58 pmBOS-YOW
1h 28mnonstop
Air Transat Logo
4:30 pm - 5:58 pmYOW-BOS
1h 28mnonstop
$377Air Transat
Find Deal
Thu, Oct 9 - Sun, Oct 12

Porter Airlines flights from Boston to Ottawa

Our best Porter Airlines deals on Boston to Ottawa flight tickets
Porter Airlines
Oct 9
BOS3:30 pmBoston Logan Intl
1h 28m
YOW4:58 pmOttawa
Oct 12
YOW4:30 pmOttawa
1h 28m
BOS5:58 pmBoston Logan Intl
Porter Airlines
Oct 9
BOS3:30 pmBoston Logan Intl
1h 28m
YOW4:58 pmOttawa
Oct 12
YOW7:00 amOttawa
4h 31m
1 stop
BOS11:31 amBoston Logan Intl
Porter Airlines
Sep 24
BOS3:30 pmBoston Logan Intl
1h 28m
YOW4:58 pmOttawa
Oct 1
YOW5:00 pmOttawa
1h 28m
BOS6:28 pmBoston Logan Intl

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 August 28, 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 11/7

3:30 pm-4:59 pm

Nonstop1h 29m

Ottawa

Mon 11/10

5:40 am-2:45 pm

1 stop9h 05m

$286

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 10/9

3:30 pm-4:58 pm

Nonstop1h 28m

Ottawa

Sun 10/12

4:30 pm-5:58 pm

Nonstop1h 28m

$303

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 10/9

3:30 pm-4:58 pm

Nonstop1h 28m

Ottawa

Sun 10/12

7:00 am-11:31 am

1 stop4h 31m

$304

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 9/24

3:30 pm-4:58 pm

Nonstop1h 28m

Ottawa

Wed 10/1

5:00 pm-6:28 pm

Nonstop1h 28m

$309

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 9/25

3:30 pm-4:58 pm

Nonstop1h 28m

Ottawa

Mon 9/29

6:00 pm-10:01 pm

1 stop4h 01m

$311

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 10/9

3:30 pm-4:58 pm

Nonstop1h 28m

Ottawa

Sun 10/12

3:25 pm-10:01 pm

1 stop6h 36m

$312

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 9/25

8:45 am-12:59 pm

1 stop4h 14m

Ottawa

Mon 9/29

11:00 am-2:41 pm

1 stop3h 41m

$313

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 10/2

3:30 pm-4:58 pm

Nonstop1h 28m

Ottawa

Sun 10/5

3:25 pm-10:01 pm

1 stop6h 36m

$314

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Mon 11/3

3:30 pm-4:59 pm

Nonstop1h 29m

Ottawa

Fri 11/7

5:40 am-2:45 pm

1 stop9h 05m

$317

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 10/9

3:30 pm-4:58 pm

Nonstop1h 28m

Ottawa

Sun 10/12

4:30 pm-5:58 pm

Nonstop1h 28m

$377

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 typical price of a round-trip flight between Boston and Ottawa?

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 $378. 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 $485.

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 $276. 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 $408 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 $355 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 August 2025, prices for Boston to Ottawa flights are approximately 16% 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

$166

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 $166. The best round-trip flight deal from Boston to Ottawa found on momondo in the last 72 hours is $354.
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)
  • 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 $149Free CancellationRating
8.0
349 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $217Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Air TransatPriceFrom $291Free CancellationRating
7.7
430 reviews
Search Air Transat flights
  • Porter Airlines Flights From Boston to Ottawa

    Porter Airlines flight deals from Boston to Ottawa start from $149 round-trip. Over the 3 Porter Airlines flights for this route in a normal week, average airfare is usually $351 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 429 reviews) operates around 3 flights from Boston to Ottawa in any given week. The average Air Transat airfare for this route is around $375, 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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1 adult
Tue 9/2
Tue 9/9

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