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Cheap flights from Ottawa to Philadelphia from C$ 244

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 25/10. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — PHL
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap 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 11 September 2025.

Round-trip from

C$ 381

One-way from

C$ 244

Popular in

September

Cheapest in

July

Average price

C$ 1,109
7/10-14/10
  • 7/10-14/10
  • 3 total stops
  • 52h 05m total
  • Ottawa to Philadelphia
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25/10
  • 25/10
  • 1 total stop
  • 17h 42m total
  • Ottawa to Philadelphia
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 222 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find 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 11 September 2025.

Tue 7/105:55 a.m.YOW - PHL
2 stops32h 22mMultiple Airlines
Tue 14/109:14 p.m.PHL - YOW
1 stop19h 43mMultiple Airlines
Deal found 9/9C$ 381
Wed 15/104:25 p.m.YOW - PHL
1 stop15h 05mMultiple Airlines
Sun 19/105:05 a.m.PHL - YOW
1 stop12h 15mMultiple Airlines
Deal found 10/9C$ 403
Fri 17/104:25 p.m.YOW - PHL
1 stop8h 42mMultiple Airlines
Fri 24/105:20 a.m.PHL - YOW
1 stop11h 37mMultiple Airlines
Deal found 10/9C$ 409
Fri 10/104:25 p.m.YOW - PHL
1 stop22h 00mMultiple Airlines
Mon 13/107:54 p.m.PHL - YOW
1 stop21h 26mMultiple Airlines
Deal found 9/9C$ 413
Fri 3/104:25 p.m.YOW - PHL
1 stop7h 34mMultiple Airlines
Mon 6/105:33 a.m.PHL - YOW
1 stop11h 47mMultiple Airlines
Deal found 9/9C$ 416
Sun 19/103:50 p.m.YOW - PHL
1 stop17h 42mMultiple Airlines
Wed 22/109:14 p.m.PHL - YOW
1 stop19h 43mMultiple Airlines
Deal found 11/9C$ 450
Wed 8/104:25 p.m.YOW - PHL
1 stop15h 05mMultiple Airlines
Wed 15/109:14 p.m.PHL - YOW
2 stops27h 08mMultiple Airlines
Deal found 10/9C$ 455
Fri 19/93:50 p.m.YOW - PHL
1 stop8h 56mMultiple Airlines
Tue 30/92:30 p.m.PHL - YOW
1 stop26h 27mMultiple Airlines
Deal found 9/9C$ 460

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 629,999 searches. Data last updated 11 September 2025.
Use the filters below to find and compare flights from Ottawa to Philadelphia that are best for you.

Fly from

Ottawa

Fly to

Philadelphia

Route

Depart

Return

Price

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Tue 7/10

5:55 a.m.-2:17 p.m.

2 stops32h 22m

Philadelphia

Tue 14/10

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

1 stop19h 43m

C$ 381

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Wed 15/10

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

1 stop15h 05m

Philadelphia

Sun 19/10

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

1 stop12h 15m

C$ 403

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Fri 17/10

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

1 stop8h 42m

Philadelphia

Fri 24/10

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

1 stop11h 37m

C$ 409

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Fri 10/10

4:25 p.m.-2:25 p.m.

1 stop22h 00m

Philadelphia

Mon 13/10

7:54 p.m.-5:20 p.m.

1 stop21h 26m

C$ 413

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Fri 3/10

4:25 p.m.-11:59 p.m.

1 stop7h 34m

Philadelphia

Mon 6/10

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

1 stop11h 47m

C$ 416

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Wed 8/10

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

1 stop15h 05m

Philadelphia

Wed 15/10

8:00 a.m.-4:57 p.m.

1 stop8h 57m

C$ 439

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Sun 19/10

3:50 p.m.-9:32 a.m.

1 stop17h 42m

Philadelphia

Wed 22/10

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

1 stop19h 43m

C$ 450

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Sat 25/10

3:50 p.m.-9:32 a.m.

1 stop17h 42m

C$ 244

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Sun 5/10

3:50 p.m.-9:32 a.m.

1 stop17h 42m

C$ 247

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Fri 3/10

4:25 p.m.-11:59 p.m.

1 stop7h 34m

C$ 252

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 13 results
1
2

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, January is the cheapest month in which you can book a flight from Ottawa to Philadelphia (average of C$ 388). Flying from Ottawa to Philadelphia in September is currently the most expensive (average of C$ 418). 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.

What is the cheapest time of day to fly from YOW to PHL?

Find hourly flight availability from Ottawa to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 September 2025.

When flying from Ottawa to Philadelphia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 32% versus a flight at noon.

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated 11 September 2025.
Check out reviews from past customers who have flown with United Airlines and Air Canada from Ottawa to Philadelphia 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
8,937 reviews
Check prices

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews
Check prices

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews
Check prices

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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.

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

    Currently priced at C$ 583, Air Canada will fly you from Ottawa to Philadelphia and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as C$ 686. Air Canada is currently priced 29% below the average price you’ll pay for this route.

  • 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, January is the cheapest month in which you can book a flight from Ottawa to Philadelphia (average of C$ 388). Flying from Ottawa to Philadelphia in September is currently the most expensive (average of C$ 418). 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 Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
King of Prussia
Reading

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Alternative routes for Ottawa to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Ottawa to Philadelphia

Discover the top 2 airlines that operate flights from Ottawa to Philadelphia. 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 629,999 searches. Data last updated 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 583AverageC$ 795FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 686AverageC$ 1,091FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Ottawa to Philadelphia flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights helps you find that perfect flight to Philadelphia from Ottawa by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ottawa to Philadelphia with no change fees?

Yes! Cheapflights helps users easily find flights from Ottawa to Philadelphia with no change fees.

Can Cheapflights notify me if prices for flights from Ottawa to Philadelphia become cheaper?

Not ready to book yet? You can track prices for flights from Ottawa to Philadelphia on Cheapflights with our Price Alert feature and get notified when better prices are available.

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