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Cheap flights from Boston to Ottawa from $120

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 12/2. 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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Porter Airlines Logo
3:40 pm - 5:06 pmBOS-YOW
1h 26mnonstop
Porter Airlines Logo
4:45 pm - 6:11 pmYOW-BOS
1h 26mnonstop
$258Porter Airlines
Find Deal
Thu, Nov 20 - Fri, Nov 21
Porter Airlines Logo
3:40 pm - 5:06 pmBOS-YOW
1h 26mnonstop
Porter Airlines Logo
4:45 pm - 6:11 pmYOW-BOS
1h 26mnonstop
$259Porter Airlines
Find Deal
Wed, Nov 19 - Fri, Nov 21
Porter Airlines Logo
7:00 am - 11:29 amBOS-YOW
4h 29m1 stop
Porter Airlines Logo
8:40 am - 2:55 pmYOW-BOS
6h 15m1 stop
$261Porter Airlines
Find Deal
Mon, Dec 8 - Fri, Dec 12
Porter Airlines Logo
7:00 am - 11:29 amBOS-YOW
4h 29m1 stop
Porter Airlines Logo
8:40 am - 2:55 pmYOW-BOS
6h 15m1 stop
$262Porter Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
Multiple Airlines Logo
10:15 am - 2:07 pmBOS-YOW
3h 52m1 stop
Multiple Airlines Logo
4:45 pm - 6:11 pmYOW-BOS
1h 26mnonstop
$268Multiple Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24
Multiple Airlines Logo
3:40 pm - 5:06 pmBOS-YOW
1h 26mnonstop
Multiple Airlines Logo
10:50 am - 2:52 pmYOW-BOS
4h 02m1 stop
$269Multiple Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24
Air Canada Logo
5:30 am - 9:42 amBOS-YOW
4h 12m1 stop
Air Canada Logo
10:50 am - 2:52 pmYOW-BOS
4h 02m1 stop
$273Air Canada
Find Deal
Thu, Nov 20 - Mon, Nov 24
Air Canada Logo
5:30 am - 9:42 amBOS-YOW
4h 12m1 stop
Air Canada Logo
10:50 am - 2:52 pmYOW-BOS
4h 02m1 stop
$276Air Canada
Find Deal
Thu, Nov 20 - Mon, Nov 24
Air Transat Logo
3:40 pm - 5:06 pmBOS-YOW
1h 26mnonstop
Air Transat Logo
4:45 pm - 6:11 pmYOW-BOS
1h 26mnonstop
$287Air Transat
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Thu, Nov 20 - Fri, Nov 21
United Airlines Logo
7:30 am - 1:32 pmBOS-YOW
6h 02m1 stop
United Airlines Logo
6:00 am - 10:39 amYOW-BOS
4h 39m1 stop
$341United Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24

Air Transat flights from Boston to Ottawa

Our best Air Transat deals on Boston to Ottawa flight tickets
Air Transat
Nov 20
BOS3:40 pmBoston Logan Intl
1h 26m
YOW5:06 pmOttawa
Nov 21
YOW4:45 pmOttawa
1h 26m
BOS6:11 pmBoston Logan Intl
$287
Find similar
Air Transat
Nov 8
BOS3:40 pmBoston Logan Intl
1h 26m
YOW5:06 pmOttawa
Nov 10
YOW4:45 pmOttawa
1h 26m
BOS6:11 pmBoston Logan Intl
$590
Find similar
Air Transat
Oct 31
BOS3:30 pmBoston Logan Intl
1h 29m
YOW4:59 pmOttawa
Nov 4
YOW4:45 pmOttawa
1h 26m
BOS6:11 pmBoston Logan Intl
$1,011
Find similar

Air Canada flights from Boston to Ottawa

Our best Air Canada deals on Boston to Ottawa flight tickets
Air Canada
Nov 20
BOS5:30 amBoston Logan Intl
4h 12m
1 stop
YOW9:42 amOttawa
Nov 24
YOW10:50 amOttawa
4h 02m
1 stop
BOS2:52 pmBoston Logan Intl
$273
Find similar
Air Canada
Nov 20
BOS5:30 amBoston Logan Intl
4h 12m
1 stop
YOW9:42 amOttawa
Nov 24
YOW10:50 amOttawa
4h 02m
1 stop
BOS2:52 pmBoston Logan Intl
$276
Find similar
Air Canada
Dec 5
BOS5:30 amBoston Logan Intl
4h 12m
1 stop
YOW9:42 amOttawa
Dec 8
YOW2:50 pmOttawa
4h 52m
1 stop
BOS7:42 pmBoston Logan Intl
$326
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 October 30, 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 11/20

3:40 pm-5:06 pm

Nonstop1h 26m

Ottawa

Fri 11/21

4:45 pm-6:11 pm

Nonstop1h 26m

$258

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Wed 11/19

3:40 pm-5:06 pm

Nonstop1h 26m

Ottawa

Fri 11/21

4:45 pm-6:11 pm

Nonstop1h 26m

$259

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Mon 12/8

7:00 am-11:29 am

1 stop4h 29m

Ottawa

Fri 12/12

8:40 am-2:55 pm

1 stop6h 15m

$261

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Fri 12/5

7:00 am-11:29 am

1 stop4h 29m

Ottawa

Sun 12/7

8:40 am-2:55 pm

1 stop6h 15m

$262

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 11/20

10:15 am-2:07 pm

1 stop3h 52m

Ottawa

Mon 11/24

4:45 pm-6:11 pm

Nonstop1h 26m

$268

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 11/20

3:40 pm-5:06 pm

Nonstop1h 26m

Ottawa

Mon 11/24

10:50 am-2:52 pm

1 stop4h 02m

$269

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 11/20

5:30 am-9:42 am

1 stop4h 12m

Ottawa

Mon 11/24

10:50 am-2:52 pm

1 stop4h 02m

$273

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 11/20

5:30 am-9:42 am

1 stop4h 12m

Ottawa

Mon 11/24

10:50 am-2:52 pm

1 stop4h 02m

$276

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 11/20

3:40 pm-5:06 pm

Nonstop1h 26m

Ottawa

Fri 11/21

4:45 pm-6:11 pm

Nonstop1h 26m

$287

BostonOttawa

BOS - YOW

BOSYOW

Boston Logan Intl

Thu 11/20

7:30 am-1:32 pm

1 stop6h 02m

Ottawa

Mon 11/24

6:00 am-10:39 am

1 stop4h 39m

$341

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 $375. 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 $504.

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 $309. 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 $406 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 $353 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 October 2025, prices for Boston to Ottawa flights are approximately 27% cheaper 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

$140

Fastest flight time

1h 26m

Direct flights

Every day

Airports in Ottawa

1 airport
The best one-way flight to Ottawa from Boston in the past 72 hours is $140. The best round-trip flight deal from Boston to Ottawa found on momondo in the last 72 hours is $340.
The fastest flight from Boston to Ottawa takes 1h 26m
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 26m.

  • 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 $174Free CancellationRating
8.0
384 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $217Free CancellationRating
7.1
10,377 reviews
Search Air Canada flights
Air TransatPriceFrom $291Free CancellationRating
7.8
469 reviews
Search Air Transat flights

  • Porter Airlines Flights From Boston to Ottawa

    Porter Airlines flight deals from Boston to Ottawa start from $174 round-trip. Over the 3 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 (7.8/10 from 469 reviews) operates around 3 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
Petawawa
Pembroke
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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