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Cheap flights from Philadelphia to Ottawa from C$ 236

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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — YOW
3 Aug — 10 Aug1
1 adult

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 29 July 2025.

Round-trip from

C$ 524

One-way from

C$ 236

Popular in

December

Cheapest in

August

Average price

C$ 1,028
27/8-3/9
  • 27/8-3/9
  • 3 total stops
  • 23h 49m total
  • Philadelphia to Ottawa
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25/8
  • 25/8
  • 1 total stop
  • 11h 50m total
  • Philadelphia to Ottawa
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Highest demand for flights based on searches. 8% potential increase in price (C$ 127 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 47 potential savings vs. average RT price).
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Average for round-trip flights in July 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 29 July 2025.

Wed 27/85:05 a.m.PHL - YOW
1 stop12h 15mMultiple Airlines
Wed 3/97:00 a.m.YOW - PHL
2 stops11h 34mMultiple Airlines
Deal found 28/7C$ 524
Mon 25/87:58 p.m.PHL - YOW
1 stop14h 00mUnited Airlines
Mon 1/97:29 p.m.YOW - PHL
1 stop18h 37mUnited Airlines
Deal found 29/7C$ 911
Tue 9/93:25 p.m.PHL - YOW
1 stop4h 49mAir Canada
Sat 13/97:00 a.m.YOW - PHL
2 stops7h 38mAir Canada
Deal found 27/7C$ 912

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 629,999 searches. Data last updated 29 July 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

Wed 27/8

5:05 a.m.-5:20 p.m.

1 stop12h 15m

Ottawa

Wed 3/9

7:00 a.m.-6:34 p.m.

2 stops11h 34m

C$ 524

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Mon 25/8

7:58 p.m.-9:58 a.m.

1 stop14h 00m

Ottawa

Mon 1/9

7:29 p.m.-2:06 p.m.

1 stop18h 37m

C$ 911

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Tue 9/9

3:25 p.m.-8:14 p.m.

1 stop4h 49m

Ottawa

Sat 13/9

7:00 a.m.-2:38 p.m.

2 stops7h 38m

C$ 912

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Mon 25/8

5:30 a.m.-5:20 p.m.

1 stop11h 50m

C$ 236

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Wed 20/8

10:40 a.m.-3:05 p.m.

1 stop4h 25m

C$ 539

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/7

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, October is the cheapest month in which you can book a flight from Philadelphia to Ottawa (average of C$ 224). Flying from Philadelphia to Ottawa in December is currently the most expensive (average of C$ 326). 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 29 July 2025.
Get a feel of what it's like to fly with United Airlines and Air Canada from Philadelphia to Ottawa by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,899 reviews
Check prices

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

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
8,899 reviews
United Airlines
7.4
Good
8,899 reviews
Check prices

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

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??
Air Canada
7.1
Good
9,822 reviews
United Airlines
7.4
Good
8,899 reviews
Check prices

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Crew

8.1

Food

6.6

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.

  • What are the cheapest airlines flying from Philadelphia to Ottawa round-trip?

    According to our current data, United Airlines (C$ 911), and Air Canada (C$ 912) offers the cheapest pricing from Philadelphia to Ottawa. You may be able to fly from Philadelphia to Ottawa for 7% less than the average price by searching for these airlines.

  • 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, October is the cheapest month in which you can book a flight from Philadelphia to Ottawa (average of C$ 224). Flying from Philadelphia to Ottawa in December is currently the most expensive (average of C$ 326). 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

Travelling to a place near Ottawa?

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

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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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How does Cheapflights help users find flights from Philadelphia to Ottawa?

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Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Ottawa?

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Certainly. Search results for flights to Ottawa from Philadelphia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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