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Cheap flights from Ottawa to Philadelphia from C$ 320

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 17/8. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — PHL
22 Aug — 29 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ottawa to Philadelphia

Enter your travel dates to find the best prices.

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 23 July 2026.

Sun 6/97:00 a.m.
YOW
-
PHL
2 stops16h 31m
Multiple Airlines
Sun 13/91:52 p.m.
PHL
-
YOW
1 stop25h 23m
Multiple Airlines
Deal found 23/7C$ 700
Wed 19/88:40 a.m.
YOW
-
PHL
1 stop5h 34m
American Airlines
Sat 22/81:53 p.m.
PHL
-
YOW
1 stop6h 17m
American Airlines
Deal found 20/7C$ 767
Thu 13/89:05 a.m.
YOW
-
PHL
2 stops22h 10m
Multiple Airlines
Sun 16/89:16 p.m.
PHL
-
YOW
1 stop26h 32m
Multiple Airlines
Deal found 20/7C$ 778
Thu 24/97:00 a.m.
YOW
-
PHL
2 stops14h 41m
Multiple Airlines
Mon 28/910:37 a.m.
PHL
-
YOW
1 stop13h 11m
Multiple Airlines
Deal found 22/7C$ 791
Sat 22/88:40 a.m.
YOW
-
PHL
1 stop5h 34m
American Airlines
Thu 27/83:29 p.m.
PHL
-
YOW
1 stop5h 51m
American Airlines
Deal found 21/7C$ 795
Tue 4/88:40 a.m.
YOW
-
PHL
1 stop9h 37m
American Airlines
Sat 8/81:53 p.m.
PHL
-
YOW
1 stop6h 17m
American Airlines
Deal found 19/7C$ 800
Thu 13/88:40 a.m.
YOW
-
PHL
1 stop5h 34m
American Airlines
Sun 16/88:30 a.m.
PHL
-
YOW
1 stop6h 25m
American Airlines
Deal found 20/7C$ 809
Sun 6/98:40 a.m.
YOW
-
PHL
1 stop5h 34m
American Airlines
Sun 13/98:29 a.m.
PHL
-
YOW
1 stop6h 26m
American Airlines
Deal found 23/7C$ 816
Fri 9/107:00 a.m.
YOW
-
PHL
1 stop17h 20m
Multiple Airlines
Mon 12/1012:58 p.m.
PHL
-
YOW
2 stops11h 27m
Multiple Airlines
Deal found 21/7C$ 824

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 23 July 2026.

Round-trip from

C$ 700

One-way from

C$ 320

Popular in

September

Cheapest in

December

Average price

C$ 1,239
6/9-13/9
  • 6/9-13/9
  • 3 total stops
  • 41h 54m total
  • Ottawa to Philadelphia
Search Deals
17/8
  • 17/8
  • 2 total stops
  • 24h 15m total
  • Ottawa to Philadelphia
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 233 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 629,999 searches. Data last updated 23 July 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

Wed 19/8

8:40 a.m.-2:14 p.m.

1 stop5h 34m

Philadelphia

Sat 22/8

1:53 p.m.-8:10 p.m.

1 stop6h 17m

C$ 767

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Mon 28/9

7:00 a.m.-7:36 a.m.

2 stops24h 36m

Philadelphia

Sat 3/10

5:15 a.m.-2:33 p.m.

1 stop9h 18m

C$ 791

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Thu 24/9

7:00 a.m.-9:41 p.m.

2 stops14h 41m

Philadelphia

Mon 28/9

10:37 a.m.-11:48 p.m.

1 stop13h 11m

C$ 791
Quickest round-trip

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Sat 22/8

8:40 a.m.-2:14 p.m.

1 stop5h 34m

Philadelphia

Thu 27/8

3:29 p.m.-9:20 p.m.

1 stop5h 51m

C$ 795

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Sun 6/9

8:40 a.m.-2:14 p.m.

1 stop5h 34m

Philadelphia

Sun 13/9

8:29 a.m.-2:55 p.m.

1 stop6h 26m

C$ 816

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Fri 9/10

7:00 a.m.-12:20 a.m.

1 stop17h 20m

Philadelphia

Mon 12/10

12:58 p.m.-12:25 a.m.

2 stops11h 27m

C$ 824

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Wed 19/8

10:40 a.m.-8:01 p.m.

2 stops9h 21m

Philadelphia

Sat 22/8

8:55 p.m.-2:55 p.m.

2 stops18h 00m

C$ 835

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Tue 11/8

10:40 a.m.-8:22 a.m.

2 stops21h 42m

Philadelphia

Wed 19/8

9:12 a.m.-5:23 p.m.

1 stop8h 11m

C$ 876

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Sun 6/9

8:55 a.m.-7:55 p.m.

2 stops11h 00m

Philadelphia

Sun 13/9

8:29 a.m.-2:55 p.m.

1 stop6h 26m

C$ 880
Cheapest one-way

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Mon 17/8

7:00 a.m.-7:15 a.m.

2 stops24h 15m

C$ 320

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/7

Showing 1-10 of 18 resultsSorted by cheapest first
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, December is the cheapest month in which you can book a flight from Ottawa to Philadelphia (average of C$ 434). Flying from Ottawa to Philadelphia in September is currently the most expensive (average of C$ 1,275). 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.

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

Airfare is below average for this route at the moment.

Ottawa to Philadelphia flights typically cost between C$ 1,040 and C$ 1,159 in September.
The cheapest round-trip price found within the last 5 days was C$ 700 on Multiple Airlines (6 Sep-13 Sep).

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 23 July 2026.
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
10,026 reviews
Check prices

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
10,026 reviews
United Airlines
7.4
Good
10,026 reviews
Check prices

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Air Canada
7.1
Good
11,373 reviews
United Airlines
7.4
Good
10,026 reviews
Check prices

Crew

8.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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 American Airlines fly from Ottawa to Philadelphia in about 5h 34m. The time it takes to get you to your destination can typically vary by up to . The distance between Ottawa and Philadelphia is about 607 km.

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

    Currently priced at C$ 423, United Airlines will fly you from Ottawa to Philadelphia and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Air Canada for as low as C$ 434. United Airlines is currently priced 52% 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, December is the cheapest month in which you can book a flight from Ottawa to Philadelphia (average of C$ 434). Flying from Ottawa to Philadelphia in September is currently the most expensive (average of C$ 1,275). 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
Voorhees
Reading
King of Prussia
Wildwood
West Chester

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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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Toronto Island to Pittsburgh flights
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London to Newark flights
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London to LaGuardia flights
Windsor to Newark flights
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Windsor to LaGuardia flights
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Timmins to Newark flights
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Ottawa to Pittsburgh flights
London to John F Kennedy Intl flights
London to Dulles Intl flights
London to Reagan-National flights
Sudbury to Newark flights
Hamilton to Philadelphia flights
Ottawa to Harrisburg flights

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 23 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 423AverageC$ 885FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 434AverageC$ 755FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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