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

Currently priced at C$ 456, 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$ 633. Air Canada is currently priced 51% below the average price you’ll pay for this route.

In terms of precipitation, rainfall in Philadelphia ranges from 69.0 - 112.0 mm per month. July is typically the wettest month, when rainfall can reach 112.0 mm. February is typically the driest time to visit Philadelphia when rainfall is around 69.0 mm.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

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

When flying from Ottawa to Philadelphia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

C$ 310+ Cheap Flights from Ottawa to Philadelphia

Cheap flight deals from Ottawa to Philadelphia

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 19 October 2026.

Wed 2/125:30 a.m. -

2 stops19h 11m

Wed 9/127:00 a.m. -

1 stop16h 20m

Deal found 17/10C$ 601

Thu 12/117:05 a.m. -

1 stop16h 30m

Thu 19/117:50 a.m. -

1 stop9h 34m

Deal found 15/10C$ 705

Fri 13/1112:50 p.m. -

2 stops11h 39m

Fri 20/112:20 p.m. -

1 stop9h 14m

Deal found 16/10C$ 707

Sun 15/113:30 p.m. -

1 stop24h 32m

Sat 21/118:38 p.m. -

2 stops27h 44m

Deal found 16/10C$ 714

Find flight deals from Ottawa to Philadelphia

Round-trip from	C$ 601
One-way from	C$ 310
Popular in	July
Cheapest in	January

2/12-9/12
3 total stops
35h 31m total
Ottawa to Philadelphia

Search Deals

30/11-31/12
2 total stops
30h 02m total
Ottawa to Philadelphia

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (C$ 190 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 44 potential savings vs. average RT price).

Search Deals

Cheapflights Fare Finder

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

Mon 30/11

7:05 a.m.-1:07 p.m.

2 stops30h 02m

Philadelphia

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 310

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Mon 9/11

9:15 a.m.-7:21 a.m.

2 stops22h 06m

Philadelphia

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 329

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Wed 4/11

7:05 a.m.-7:11 a.m.

2 stops24h 06m

Philadelphia

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 334

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Thu 3/12

4:40 p.m.-1:13 p.m.

2 stops44h 33m

Philadelphia

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 343

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Fri 13/11

12:50 p.m.-12:29 a.m.

2 stops11h 39m

Philadelphia

Fri 20/11

2:20 p.m.-11:34 p.m.

1 stop9h 14m

C$ 707

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Thu 12/11

7:00 a.m.-11:43 p.m.

2 stops16h 43m

Philadelphia

Thu 19/11

7:50 a.m.-5:24 p.m.

1 stop9h 34m

C$ 711

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Fri 6/11

7:05 a.m.-7:21 a.m.

2 stops24h 16m

Philadelphia

Sun 8/11

1:52 p.m.-11:34 p.m.

1 stop9h 42m

C$ 837

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Fri 20/11

12:50 p.m.-1:06 a.m.

2 stops12h 16m

Philadelphia

Sun 22/11

6:27 a.m.-5:15 p.m.

2 stops10h 48m

C$ 898

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Fri 13/11

7:05 a.m.-11:35 p.m.

1 stop16h 30m

Philadelphia

Sun 15/11

8:48 a.m.-12:22 a.m.

1 stop15h 34m

C$ 963

OttawaPhiladelphia

YOW Ottawa - PHL Philadelphia

YOWPHL

Ottawa

Sat 19/12

6:15 a.m.-9:41 p.m.

1 stop15h 26m

Philadelphia

Mon 28/12

9:50 a.m.-9:23 p.m.

1 stop11h 33m

C$ 992

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/10

Showing 1-10 of 13 resultsSorted by cheapest first

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.

YOW-PHL

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.

Reviews of airlines servicing Philadelphia

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

7.3

Good

10,389 reviews

Check prices

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

7.3

Good

10,389 reviews

United Airlines

7.3

Good

10,389 reviews

Check prices

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

11,782 reviews

United Airlines

7.3

Good

10,389 reviews

Check prices

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

What are the cheapest airlines flying from Ottawa to Philadelphia round-trip?
Currently priced at C$ 456, 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$ 633. Air Canada is currently priced 51% 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.

See more FAQs

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Pierre Elliott Trudeau Intl to State College flights

Ottawa to Harrisburg flights

Top 2 airlines flying from Ottawa to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 456	AverageC$ 845	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 633	AverageC$ 934	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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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.

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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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Cheap flights from Ottawa to Philadelphia from C$ 310

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ottawa to Philadelphia

Cheapest flights from Ottawa to PhiladelphiaExplore 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 19 October 2026.

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 19 October 2026.

Best flights from Ottawa to PhiladelphiaDiscover carefully curated flight deals from Ottawa to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 19 October 2026.

Discover carefully curated flight deals from Ottawa to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 19 October 2026.

Last-minute flights from Ottawa to PhiladelphiaDiscover last-minute flight deals from Ottawa to Philadelphia. Data last updated 19 October 2026 and is based on user searches.

Discover last-minute flight deals from Ottawa to Philadelphia. Data last updated 19 October 2026 and is based on user searches.

One-way flights from Ottawa to PhiladelphiaSearch for one-way flight options from Ottawa to Philadelphia. Find affordable one-way fares based on user searches. Data last updated 19 October 2026.

Search for one-way flight options from Ottawa to Philadelphia. Find affordable one-way fares based on user searches. Data last updated 19 October 2026.

Find flight deals from Ottawa to Philadelphia

Round-trip from

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Ottawa to Philadelphia that are best for you.

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.

Reviews of airlines servicing Philadelphia

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.

Related info for your journey

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

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

How can I find direct flights from Ottawa to Philadelphia?

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

Travelling to a place near Philadelphia?

Browse thousands of different options on Cheapflights for your next trip

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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.

Complete your trip

Complete your trip to Philadelphia by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Pennsylvania

Book a non-stop flight to one of these other cities located in Pennsylvania.

Search flights from Ottawa to Philadelphia by cabin class

Find flights from Ottawa to Philadelphia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ottawa and Philadelphia flights

Browse other Ottawa and Philadelphia flight options. Last updated on 19 October 2026.

Other flights from Ottawa

Browse through other flights departing from Ottawa. Flights are based on user searches made on Cheapflights and were last updated on 19 October 2026.

Other flights to Philadelphia

Explore flights to Philadelphia departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 19 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 2 airlines flying from Ottawa to Philadelphia

Fly with Cheapflights

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

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

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

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

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Book with Flexibility

Travel Smart

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 19 October 2026.

Best flights from Ottawa to Philadelphia
Discover carefully curated flight deals from Ottawa to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 19 October 2026.

Last-minute flights from Ottawa to Philadelphia
Discover last-minute flight deals from Ottawa to Philadelphia. Data last updated 19 October 2026 and is based on user searches.

One-way flights from Ottawa to Philadelphia
Search for one-way flight options from Ottawa to Philadelphia. Find affordable one-way fares based on user searches. Data last updated 19 October 2026.