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$150+ Cheap flights from Philadelphia (PHL) to Ottawa (YOW)

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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — YOW
Aug 12 — Aug 191
Tue 8/12
Tue 8/19
1 adult, Economy
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Cheap flight deals from Philadelphia to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) 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 August 7, 2025.

Round-trip from

$318
(Kiwi.com)

One-way from

$150
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$311
From Philadelphia to Ottawa
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One-way flight from Philadelphia to Ottawa
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Highest demand for flights based on searches. 8% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Philadelphia to Ottawa

Cheapest flights from Philadelphia to Ottawa
Explore the most affordable flight options available from Philadelphia to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 7, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/68:43 pmPHL - YOW
1 stop20h 14mMultiple Airlines
Sat 9/134:25 pmYOW - PHL
1 stop15h 06mMultiple Airlines
Deal found 8/7$337
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/98:00 amPHL - YOW
1 stop8h 57mMultiple Airlines
Fri 9/124:25 pmYOW - PHL
1 stop7h 34mMultiple Airlines
Deal found 8/4$345
This Booking.com deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/195:30 amPHL - YOW
1 stop11h 27mMultiple Airlines
Fri 9/269:05 amYOW - PHL
2 stops14h 54mMultiple Airlines
Deal found 8/5$354
This Mytrip deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/45:30 amPHL - YOW
2 stops15h 05mMultiple Airlines
Sat 9/63:50 pmYOW - PHL
1 stop7h 57mMultiple Airlines
Deal found 8/7$364
This Mytrip deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/105:00 amPHL - YOW
2 stops15h 35mMultiple Airlines
Sat 9/133:50 pmYOW - PHL
1 stop7h 57mMultiple Airlines
Deal found 8/6$374
This Mytrip deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:00 amPHL - YOW
2 stops19h 22mMultiple Airlines
Sun 10/57:00 amYOW - PHL
2 stops17h 17mMultiple Airlines
Deal found 8/5$376
This Mytrip deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/45:30 amPHL - YOW
2 stops15h 05mMultiple Airlines
Sun 9/73:50 pmYOW - PHL
1 stop17h 56mMultiple Airlines
Deal found 8/6$378
This Mytrip deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/209:50 pmPHL - YOW
2 stops26h 32mMultiple Airlines
Sat 9/273:50 pmYOW - PHL
1 stop17h 56mMultiple Airlines
Deal found 8/6$380

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia 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 2,558,603 searches. Data last updated August 7, 2025.
Use the filters below to find and compare flights from Philadelphia to Ottawa that are best for you.

Fly from

Philadelphia

Fly to

Ottawa

Route

Depart

Return

Price

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Sat 9/6

8:43 pm-4:57 pm

1 stop20h 14m

Ottawa

Sat 9/13

4:25 pm-7:31 am

1 stop15h 06m

$337

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Tue 9/9

8:00 am-4:57 pm

1 stop8h 57m

Ottawa

Fri 9/12

4:25 pm-11:59 pm

1 stop7h 34m

$345

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Fri 9/19

5:30 am-4:57 pm

1 stop11h 27m

Ottawa

Fri 9/26

9:05 am-11:59 pm

2 stops14h 54m

$354

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Thu 9/4

5:30 am-8:35 pm

2 stops15h 05m

Ottawa

Sat 9/6

3:50 pm-11:47 pm

1 stop7h 57m

$364

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Wed 9/10

5:00 am-8:35 pm

2 stops15h 35m

Ottawa

Sat 9/13

3:50 pm-11:47 pm

1 stop7h 57m

$374

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Thu 10/2

5:00 am-12:22 am

2 stops19h 22m

Ottawa

Sun 10/5

7:00 am-12:17 am

2 stops17h 17m

$376

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Thu 9/4

5:30 am-8:35 pm

2 stops15h 05m

Ottawa

Sun 9/7

3:50 pm-9:46 am

1 stop17h 56m

$378

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Sat 9/20

9:50 pm-12:22 am

2 stops26h 32m

Ottawa

Sat 9/27

3:50 pm-9:46 am

1 stop17h 56m

$380

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Tue 8/26

5:05 am-5:20 pm

1 stop12h 15m

$150

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Mon 9/1

9:59 pm-4:57 pm

1 stop18h 58m

$160

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/7

Showing 1-10 of 14 results
1
2

Best time to book a flight from Philadelphia to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Philadelphia 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 Philadelphia to Ottawa

What is the cheapest month to book a flight from Philadelphia to Ottawa?

Currently, January is the cheapest month in which you can book a flight from Philadelphia to Ottawa (average of $294). Flying from Philadelphia to Ottawa in September is currently the most expensive (average of $428). 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.

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 August 7, 2025.
Peruse reviews from past customers who have flown with United Airlines from Philadelphia to Ottawa to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Philadelphia to Ottawa that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Ottawa.

  • Can I find deals for business class flights from Philadelphia to Ottawa?

    Yes. Cheapflights offers flight deals from Philadelphia 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 Philadelphia to Ottawa?

    Currently, January is the cheapest month in which you can book a flight from Philadelphia to Ottawa (average of $294). Flying from Philadelphia to Ottawa in September is currently the most expensive (average of $428). 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

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Petawawa

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Alternative routes for Philadelphia to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Philadelphia to Ottawa

Discover the top airline that operate flights from Philadelphia 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 2,558,603 searches. Data last updated August 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$377Average$666FlexibilityNo cancel feeOn-time67%

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