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$193+ Cheap flights from Ottawa (YOW) to Philadelphia (PHL)

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — PHL
Sep 11 — Sep 181
Fri 9/11
Fri 9/18
1 adult, Economy
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Cheap flight deals from Ottawa to Philadelphia

Cheapest flights from Ottawa to Philadelphia
Explore the most affordable flight options available from Ottawa to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 12, 2026.

This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Fri 10/167:00 am -
1 stop17h 20m
Mon 10/193:25 pm -
1 stop8h 23m
Deal found 8/10$363
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Fri 9/47:00 am -
1 stop14h 40m
Sun 9/135:45 pm -
1 stop30h 03m
Deal found 8/9$372
This Kiwi.com deal was found by Cheapflights users on 8/9. 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.
Thu 10/17:00 am -
2 stops17h 09m
Mon 10/512:10 pm -
1 stop11h 38m
Deal found 8/9$417
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 10/37:00 am -
1 stop17h 09m
Tue 10/135:57 pm -
2 stops30h 28m
Deal found 8/8$426
This CheapTicketsDeal deal was found by Cheapflights users on 8/8. 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 CheapTicketsDeal is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:10 am -
1 stop5h 44m
Fri 8/287:05 am -
1 stop6h 10m
Deal found 8/8$453
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Sun 10/117:00 am -
2 stops16h 43m
Mon 10/123:25 pm -
1 stop8h 23m
Deal found 8/11$468
This Air Canada deal was found by Cheapflights users on 8/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:50 pm -
1 stop3h 42m
Wed 9/163:25 pm -
1 stop5h 19m
Deal found 8/9$569
This Air Canada deal was found by Cheapflights users on 8/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:50 pm -
1 stop3h 42m
Wed 10/710:05 am -
1 stop3h 49m
Deal found 8/11$573
This Air Canada deal was found by Cheapflights users on 8/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/129:00 am -
1 stop5h 44m
Sun 12/135:05 pm -
1 stop4h 45m
Deal found 8/8$574
This Justfly.com deal was found by Cheapflights users on 8/9. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:25 pm -
2 stops29h 34m
Sun 9/135:45 am -
2 stops29h 50m
Deal found 8/9$586

Find flight deals from Ottawa to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Philadelphia (PHL). 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 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$363
(Kiwi.com)

One-way from

$193
(Kiwi.com)

Popular in

September

Cheapest in

December

Average price

$760
Provider with most accurate pricing for Ottawa-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ottawa-Philadelphia flights.
Search Deals
From Ottawa to Philadelphia
Search Deals
One-way flight from Ottawa to Philadelphia
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($118 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ottawa to Philadelphia 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 12, 2026.
Use the filters below to find and compare flights from Ottawa to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Thu 10/1

7:00 am-12:09 am

2 stops17h 09m

Philadelphia

Mon 10/5

12:10 pm-11:48 pm

1 stop11h 38m

$417

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Thu 9/10

5:50 pm-9:32 pm

1 stop3h 42m

Philadelphia

Wed 9/16

3:25 pm-8:44 pm

1 stop5h 19m

$569
Quickest round-trip

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Fri 10/2

11:15 am-2:47 pm

1 stop3h 32m

Philadelphia

Sun 10/4

10:05 am-1:54 pm

1 stop3h 49m

$569

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Thu 9/10

8:00 am-7:54 pm

2 stops11h 54m

Philadelphia

Wed 9/16

8:29 am-2:55 pm

1 stop6h 26m

$618

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Fri 10/16

6:25 pm-11:08 pm

2 stops28h 43m

Philadelphia

Mon 10/19

5:20 am-12:20 am

2 stops19h 00m

$619

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Fri 10/2

8:00 am-7:54 pm

2 stops11h 54m

Philadelphia

Sun 10/4

1:51 pm-8:00 pm

1 stop6h 09m

$633

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Sat 11/14

7:00 am-12:37 pm

1 stop5h 37m

Philadelphia

Tue 11/17

9:56 pm-8:13 am

1 stop10h 17m

$660

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Thu 9/10

6:00 am-5:54 pm

3 stops11h 54m

Philadelphia

Wed 9/16

7:40 pm-9:56 am

1 stop14h 16m

$676

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Mon 9/14

7:30 pm-9:43 am

1 stop14h 13m

Philadelphia

Tue 9/15

1:30 pm-9:35 pm

1 stop8h 05m

$678

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Sun 10/11

6:55 am-7:18 pm

2 stops12h 23m

Philadelphia

Mon 10/12

5:20 am-12:20 am

2 stops19h 00m

$723

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 20 resultsSorted by cheapest first
1
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Compare providers for flights from Ottawa to Philadelphia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ottawa to Philadelphia in August.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ottawa-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ottawa-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ottawa-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ottawa-Philadelphia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ottawa-Philadelphia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ottawa to Philadelphia

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

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

Currently, December is the cheapest month in which you can book a flight from Ottawa to Philadelphia (average of $308). Flying from Ottawa to Philadelphia in September is currently the most expensive (average of $906). 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 Ottawa to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ottawa to Philadelphia?

    Airlines like Air Canada, Porter Airlines, and WestJet fly from Ottawa to Philadelphia in about 3h 42m. The time it takes to get you to your destination can typically vary by up to 25h 01m. Ottawa and Philadelphia are separated by a distance of 377 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Ottawa to Philadelphia (average of $308). Flying from Ottawa to Philadelphia in September is currently the most expensive (average of $906). 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 Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
King of Prussia
Reading
Camden
Ocean City
Cherry Hill
Lewes
Plymouth Meeting
Wyomissing
Wildwood Crest
Pottstown
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Vineland

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