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Cheap flights from Ottawa to Philadelphia from C$ 227

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — PHL
26 Nov — 3 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 27 October 2025.

Fri 12/125:40 a.m.YOW - PHL
2 stops19h 00mMultiple Airlines
Mon 15/1210:00 p.m.PHL - YOW
1 stop19h 13mMultiple Airlines
Deal found 27/10C$ 414
Mon 3/114:15 p.m.YOW - PHL
1 stop22h 00mMultiple Airlines
Sun 9/116:00 a.m.PHL - YOW
2 stops11h 13mMultiple Airlines
Deal found 27/10C$ 505
Fri 21/114:45 p.m.YOW - PHL
1 stop17h 19mMultiple Airlines
Fri 28/115:46 a.m.PHL - YOW
2 stops18h 12mMultiple Airlines
Deal found 24/10C$ 612
Fri 31/109:30 a.m.YOW - PHL
1 stop9h 19mMultiple Airlines
Sun 2/115:50 a.m.PHL - YOW
2 stops35h 35mMultiple Airlines
Deal found 25/10C$ 621
Thu 13/116:45 a.m.YOW - PHL
1 stop7h 20mPorter Airlines
Tue 18/118:35 a.m.PHL - YOW
1 stop8h 14mPorter Airlines
Deal found 27/10C$ 652

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 27 October 2025.

Round-trip from

C$ 414

One-way from

C$ 227

Popular in

August

Cheapest in

December

Average price

C$ 761
12/12-15/12
  • 12/12-15/12
  • 3 total stops
  • 38h 13m total
  • Ottawa to Philadelphia
Search Deals
10/12
  • 10/12
  • 1 total stop
  • 17h 02m total
  • Ottawa to Philadelphia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 109 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 27 October 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

Fri 21/11

4:45 p.m.-10:04 a.m.

1 stop17h 19m

Philadelphia

Fri 28/11

5:46 a.m.-11:58 p.m.

2 stops18h 12m

C$ 612

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Fri 21/11

5:14 p.m.-11:03 p.m.

1 stop5h 49m

Philadelphia

Fri 28/11

8:00 p.m.-11:54 p.m.

1 stop3h 54m

C$ 701

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Thu 13/11

10:50 a.m.-2:47 p.m.

1 stop3h 57m

Philadelphia

Wed 19/11

9:20 a.m.-3:23 p.m.

1 stop6h 03m

C$ 707

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Thu 13/11

10:50 a.m.-2:47 p.m.

1 stop3h 57m

Philadelphia

Tue 18/11

9:20 a.m.-3:23 p.m.

1 stop6h 03m

C$ 707

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Fri 14/11

5:14 p.m.-11:03 p.m.

1 stop5h 49m

Philadelphia

Tue 18/11

6:31 p.m.-10:26 a.m.

1 stop15h 55m

C$ 718

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Tue 24/3

5:11 p.m.-12:26 a.m.

1 stop7h 15m

Philadelphia

Wed 25/3

6:10 a.m.-3:23 p.m.

2 stops9h 13m

C$ 784

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Wed 10/12

4:15 p.m.-9:17 a.m.

1 stop17h 02m

C$ 227

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/10

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, June is the cheapest month in which you can book a flight from Ottawa to Philadelphia (average of C$ 185). Flying from Ottawa to Philadelphia in February is currently the most expensive (average of C$ 266). 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 27 October 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 74% versus a flight in the evening.

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 27 October 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
8,997 reviews
Check prices

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,997 reviews
United Airlines
7.4
Good
8,997 reviews
Check prices

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Air Canada
7.1
Good
10,370 reviews
United Airlines
7.4
Good
8,997 reviews
Check prices

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 5h 49m. 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$ 421, 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$ 432. United Airlines is currently priced 47% 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, June is the cheapest month in which you can book a flight from Ottawa to Philadelphia (average of C$ 185). Flying from Ottawa to Philadelphia in February is currently the most expensive (average of C$ 266). 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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Thunder Bay to Newark 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 27 October 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 421AverageC$ 869FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 432AverageC$ 762FlexibilityNo 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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