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$203+ 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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — PHL
May 28 — Jun 41
Thu 5/28
Thu 6/4
1 adult, Economy
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Find cheap flights from Ottawa to Philadelphia with Cheapflights

1. Tell us where you want to go

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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 April 28, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/122:20 pm
YOW
-
PHL
2 stops33h 12m
Multiple Airlines
Fri 5/295:21 am
PHL
-
YOW
1 stop9h 12m
Multiple Airlines
Deal found 4/27$407
This Kiwi.com deal was found by Cheapflights users on 4/24. 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.
Mon 6/87:00 am
YOW
-
PHL
1 stop17h 44m
Multiple Airlines
Mon 6/155:10 pm
PHL
-
YOW
2 stops26h 55m
Multiple Airlines
Deal found 4/24$436
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 5/27:00 am
YOW
-
PHL
1 stop8h 27m
Multiple Airlines
Sat 5/96:00 am
PHL
-
YOW
2 stops30h 15m
Multiple Airlines
Deal found 4/25$442
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/176:55 am
YOW
-
PHL
2 stops25h 59m
Multiple Airlines
Sun 5/248:44 pm
PHL
-
YOW
1 stop18h 16m
Multiple Airlines
Deal found 4/27$455
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/97:00 am
YOW
-
PHL
1 stop16h 58m
Multiple Airlines
Sun 5/109:05 pm
PHL
-
YOW
1 stop26h 48m
Multiple Airlines
Deal found 4/24$465
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 6/127:00 am
YOW
-
PHL
2 stops16h 43m
Multiple Airlines
Fri 6/196:42 am
PHL
-
YOW
1 stop7h 51m
Multiple Airlines
Deal found 4/27$525
This Kiwi.com deal was found by Cheapflights users on 4/24. 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 5/177:00 am
YOW
-
PHL
1 stop17h 44m
Multiple Airlines
Wed 5/206:45 am
PHL
-
YOW
2 stops29h 30m
Multiple Airlines
Deal found 4/24$530

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 April 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$407
(Kiwi.com)

One-way from

$203
(Kiwi.com)

Popular in

September

Cheapest in

December

Average price

$618
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. 17% potential increase in price ($126 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 28, 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 - PHL

YOWPHL

Ottawa

Tue 5/12

2:20 pm-11:32 pm

2 stops33h 12m

Philadelphia

Fri 5/29

5:21 am-2:33 pm

1 stop9h 12m

$407

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Fri 6/12

6:25 pm-11:58 pm

2 stops29h 33m

Philadelphia

Fri 6/19

6:42 am-12:20 am

2 stops17h 38m

$532

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Mon 6/8

7:00 am-11:58 pm

2 stops16h 58m

Philadelphia

Mon 6/15

6:45 am-5:35 pm

2 stops34h 50m

$540

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Sat 5/30

7:30 pm-11:44 pm

1 stop4h 14m

Philadelphia

Tue 6/2

6:00 am-1:59 pm

1 stop7h 59m

$562

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Tue 5/12

6:00 am-9:54 am

1 stop3h 54m

Philadelphia

Fri 5/29

10:32 am-11:54 pm

1 stop13h 22m

$563
Quickest round-trip

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Thu 5/14

6:00 am-9:54 am

1 stop3h 54m

Philadelphia

Sat 5/23

6:10 am-10:03 am

1 stop3h 53m

$564

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Fri 6/12

6:25 am-12:25 pm

1 stop6h 00m

Philadelphia

Fri 6/19

10:32 am-11:54 pm

1 stop13h 22m

$565

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Fri 5/29

9:05 am-2:48 pm

1 stop5h 43m

Philadelphia

Tue 6/2

4:20 pm-9:16 pm

1 stop4h 56m

$571
Cheapest one-way

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Fri 5/22

7:00 am-2:49 pm

2 stops31h 49m

$203
Quickest one-way

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Tue 6/9

7:00 am-8:01 pm

2 stops13h 01m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/26

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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 April.
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

How much does it cost to fly round-trip from Ottawa to Philadelphia?

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 United Airlines fly from Ottawa to Philadelphia in about 4h 14m. The time it takes to get you to your destination can typically vary by up to . Ottawa and Philadelphia are separated by a distance of 377 mi.

  • 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.

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
Lewes
Dewey Beach
Pottstown
Vineland
Ephrata
Milford
Dover
Elkton
Essington
Willow Grove
New Castle
Millville
Glen Mills
Chester
Newark

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