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Cheap flights from Philadelphia to Ottawa from C$ 179

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — YOW
11 oct. — 18 oct.1
1 adult
1 adult, Economy

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 11 septiembre 2025.

Round-trip from

C$ 424

One-way from

C$ 179

Popular in

December

Cheapest in

August

Average price

C$ 680
14/10-17/10
  • 14/10-17/10
  • 2 total stops
  • 28h 25m total
  • Philadelphia to Ottawa
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6/10
  • 6/10
  • 1 total stop
  • 11h 42m total
  • Philadelphia to Ottawa
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Highest demand for flights based on searches. 10% potential increase in price (C$ 160 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 50 potential savings vs. average RT price).
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Average for round-trip flights in September 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 11 septiembre 2025.

mar. 14/109:14 p.m.PHL - YOW
1 stop19h 43mMultiple Airlines
vie. 17/104:25 p.m.YOW - PHL
1 stop8h 42mMultiple Airlines
Deal found 11/9C$ 424
mié. 22/105:20 a.m.PHL - YOW
1 stop11h 37mMultiple Airlines
vie. 24/104:25 p.m.YOW - PHL
1 stop8h 42mMultiple Airlines
Deal found 10/9C$ 425
jue. 25/95:20 a.m.PHL - YOW
2 stops19h 02mMultiple Airlines
dom. 28/93:50 p.m.YOW - PHL
1 stop17h 56mMultiple Airlines
Deal found 9/9C$ 428
jue. 16/105:33 a.m.PHL - YOW
1 stop11h 47mMultiple Airlines
sáb. 18/104:25 p.m.YOW - PHL
1 stop15h 05mMultiple Airlines
Deal found 11/9C$ 460
dom. 5/105:33 a.m.PHL - YOW
1 stop11h 47mMultiple Airlines
sáb. 11/103:50 p.m.YOW - PHL
1 stop17h 42mMultiple Airlines
Deal found 10/9C$ 497
dom. 26/1010:02 p.m.PHL - YOW
1 stop19h 11mMultiple Airlines
dom. 2/115:40 a.m.YOW - PHL
2 stops27h 52mMultiple Airlines
Deal found 11/9C$ 502
lun. 13/109:55 p.m.PHL - YOW
1 stop19h 25mMultiple Airlines
jue. 16/104:25 p.m.YOW - PHL
1 stop8h 48mMultiple Airlines
Deal found 11/9C$ 513

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 11 septiembre 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

mar. 14/10

9:14 p.m.-4:57 p.m.

1 stop19h 43m

Ottawa

vie. 17/10

4:25 p.m.-1:07 a.m.

1 stop8h 42m

C$ 424

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

mié. 22/10

5:20 a.m.-4:57 p.m.

1 stop11h 37m

Ottawa

vie. 24/10

4:25 p.m.-1:07 a.m.

1 stop8h 42m

C$ 425

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

jue. 16/10

5:33 a.m.-5:20 p.m.

1 stop11h 47m

Ottawa

sáb. 18/10

4:25 p.m.-7:30 a.m.

1 stop15h 05m

C$ 460

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

jue. 25/9

10:03 p.m.-12:22 a.m.

3 stops26h 19m

Ottawa

dom. 28/9

3:50 p.m.-9:46 a.m.

1 stop17h 56m

C$ 500

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

lun. 13/10

9:55 p.m.-5:20 p.m.

1 stop19h 25m

Ottawa

jue. 16/10

4:25 p.m.-1:13 a.m.

1 stop8h 48m

C$ 513

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

dom. 5/10

5:33 a.m.-5:20 p.m.

1 stop11h 47m

Ottawa

sáb. 11/10

8:25 a.m.-10:30 p.m.

2 stops14h 05m

C$ 529

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

jue. 25/9

2:07 p.m.-5:20 p.m.

1 stop27h 13m

Ottawa

sáb. 27/9

3:50 p.m.-9:46 a.m.

1 stop17h 56m

C$ 547

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

lun. 6/10

5:15 a.m.-4:57 p.m.

1 stop11h 42m

C$ 179

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

mié. 15/10

5:20 a.m.-4:57 p.m.

1 stop11h 37m

C$ 208

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

lun. 22/9

5:10 a.m.-5:20 p.m.

1 stop12h 10m

C$ 281

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

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.

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, 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

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