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Cheap flights from Boston to Ottawa from $109

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 2/2. 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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Find the cheapest flights from Boston to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:34 am - 12:25 am
BOS
-
YOW
18h 51m1 stop
Multiple Airlines Logo
4:20 pm - 4:28 pm
YOW
-
BOS
24h 08m3 stops
$203Multiple Airlines
Thu, Jan 22 - Sun, Jan 25
Multiple Airlines Logo
5:34 am - 5:25 pm
BOS
-
YOW
11h 51m1 stop
Multiple Airlines Logo
4:20 pm - 4:28 pm
YOW
-
BOS
24h 08m3 stops
$218Multiple Airlines
Wed, Jan 21 - Sun, Jan 25
Multiple Airlines Logo
5:27 pm - 4:53 pm
BOS
-
YOW
23h 26m2 stops
Multiple Airlines Logo
4:20 pm - 4:28 pm
YOW
-
BOS
24h 08m3 stops
$221Multiple Airlines
Thu, Jan 22 - Sun, Jan 25
Multiple Airlines Logo
3:30 pm - 5:03 pm
BOS
-
YOW
1h 33mnonstop
Multiple Airlines Logo
4:20 pm - 11:57 pm
YOW
-
BOS
31h 37m3 stops
$234Multiple Airlines
Thu, Jan 22 - Sun, Jan 25
Multiple Airlines Logo
5:34 am - 12:42 am
BOS
-
YOW
19h 08m2 stops
Multiple Airlines Logo
4:20 pm - 4:28 pm
YOW
-
BOS
24h 08m3 stops
$236Multiple Airlines
Wed, Jan 21 - Sun, Jan 25
Multiple Airlines Logo
5:27 pm - 3:23 pm
BOS
-
YOW
21h 56m2 stops
Multiple Airlines Logo
4:20 pm - 11:57 pm
YOW
-
BOS
31h 37m3 stops
$237Multiple Airlines
Thu, Jan 8 - Sun, Jan 11
Multiple Airlines Logo
2:30 pm - 4:03 pm
BOS
-
YOW
1h 33mnonstop
Multiple Airlines Logo
4:20 pm - 11:57 pm
YOW
-
BOS
31h 37m3 stops
$250Multiple Airlines
Wed, Jan 21 - Sun, Jan 25
Multiple Airlines Logo
3:30 pm - 5:03 pm
BOS
-
YOW
1h 33mnonstop
Multiple Airlines Logo
4:20 pm - 11:57 pm
YOW
-
BOS
31h 37m3 stops
$254Multiple Airlines
Fri, Jan 30 - Sun, Feb 1
Multiple Airlines Logo
2:00 pm - 12:25 am
BOS
-
YOW
10h 25m1 stop
Multiple Airlines Logo
4:20 pm - 11:57 pm
YOW
-
BOS
31h 37m3 stops
$256Multiple Airlines
Fri, Jan 30 - Sun, Feb 1
Multiple Airlines Logo
5:34 am - 12:25 am
BOS
-
YOW
18h 51m1 stop
Multiple Airlines Logo
4:20 pm - 11:57 pm
YOW
-
BOS
31h 37m3 stops
$260Multiple Airlines
Thu, Jan 8 - Sun, Jan 11

Air Transat flights from Boston to Ottawa

Our best Air Transat deals on Boston to Ottawa flight tickets
Air Transat
Jan 15
BOS3:30 pmBoston Logan Intl
1h 33m
YOW5:03 pmOttawa
Jan 19
YOW4:40 pmOttawa
1h 30m
BOS6:10 pmBoston Logan Intl
$336
Find similar
Air Transat
Jan 8
BOS3:30 pmBoston Logan Intl
1h 33m
YOW5:03 pmOttawa
Jan 11
YOW4:40 pmOttawa
1h 30m
BOS6:10 pmBoston Logan Intl
$338
Find similar

Air Canada flights from Boston to Ottawa

Our best Air Canada deals on Boston to Ottawa flight tickets
Air Canada
Jan 8
BOS10:15 amBoston Logan Intl
3h 52m
1 stop
YOW2:07 pmOttawa
Jan 11
YOW5:45 amOttawa
3h 47m
1 stop
BOS9:32 amBoston Logan Intl
$315
Find similar
Air Canada
Jan 15
BOS10:15 amBoston Logan Intl
3h 48m
1 stop
YOW2:03 pmOttawa
Jan 19
YOW7:55 pmOttawa
13h 37m
1 stop
BOS9:32 amBoston Logan Intl
$347
Find similar
Air Canada
Dec 27
BOS6:55 pmBoston Logan Intl
6h 43m
1 stop
YOW1:38 amOttawa
Jan 1
YOW7:15 amOttawa
4h 57m
1 stop
BOS12:12 pmBoston Logan Intl
$649
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 December 17, 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

Thu 1/22

5:34 am-12:25 am

1 stop18h 51m

Ottawa

Sun 1/25

4:20 pm-4:28 pm

3 stops24h 08m

$203

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 1/21

5:34 am-5:25 pm

1 stop11h 51m

Ottawa

Sun 1/25

4:20 pm-4:28 pm

3 stops24h 08m

$218

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 1/22

5:27 pm-4:53 pm

2 stops23h 26m

Ottawa

Sun 1/25

4:20 pm-4:28 pm

3 stops24h 08m

$221

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 1/22

3:30 pm-5:03 pm

Nonstop1h 33m

Ottawa

Sun 1/25

4:20 pm-11:57 pm

3 stops31h 37m

$234

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 1/21

5:34 am-12:42 am

2 stops19h 08m

Ottawa

Sun 1/25

4:20 pm-4:28 pm

3 stops24h 08m

$236

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 1/8

5:27 pm-3:23 pm

2 stops21h 56m

Ottawa

Sun 1/11

4:20 pm-11:57 pm

3 stops31h 37m

$237

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 1/21

2:30 pm-4:03 pm

Nonstop1h 33m

Ottawa

Sun 1/25

4:20 pm-11:57 pm

3 stops31h 37m

$250

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 1/30

3:30 pm-5:03 pm

Nonstop1h 33m

Ottawa

Sun 2/1

4:20 pm-11:57 pm

3 stops31h 37m

$254

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 1/30

2:00 pm-12:25 am

1 stop10h 25m

Ottawa

Sun 2/1

4:20 pm-11:57 pm

3 stops31h 37m

$256

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 1/8

5:34 am-12:25 am

1 stop18h 51m

Ottawa

Sun 1/11

4:20 pm-11:57 pm

3 stops31h 37m

$260

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 $365. 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 $480.

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

In the morning is the cheapest time of day to fly from Boston to Ottawa when you can find flight prices for as low as $304. Flying to Ottawa in the morning 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 $397 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 $351 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 December 2025, prices for Boston to Ottawa flights are approximately 4% 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

$165

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 $165. The best round-trip flight deal from Boston to Ottawa found on momondo in the last 72 hours is $425.
The fastest flight from Boston to Ottawa takes 1h 28m
Direct flights go from Boston to Ottawa every day.
There is 1 airport in Ottawa. From Boston there are direct flights to 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 $177Free CancellationRating
8.0
399 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $217Free CancellationRating
7.1
10,531 reviews
Search Air Canada flights
Air TransatPriceFrom $238Free CancellationRating
7.8
483 reviews
Search Air Transat flights

  • Porter Airlines Flights From Boston to Ottawa

    Porter Airlines flight deals from Boston to Ottawa start from $177 round-trip. Over the 7 Porter Airlines flights for this route in a normal week, average airfare is usually $350 round-trip - but some users have found much cheaper deals with momondo.

  • Air Transat Flights From Boston to Ottawa

    Air Transat (7.8/10 from 483 reviews) operates around 7 flights from Boston to Ottawa in any given week. The average Air Transat airfare for this route is around $376, with deals from around $238 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
Pembroke
Brockville
Calabogie
Petawawa
Smiths Falls
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.

An easier way to manage your Ottawa trip

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