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Cheap flights from Ottawa to Philadelphia from C$ 277

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 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — PHL
27 May — 3 Jun1
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 27 April 2026.

Fri 5/67:00 a.m.
YOW
-
PHL
2 stops17h 44m
Multiple Airlines
Fri 12/68:44 p.m.
PHL
-
YOW
1 stop18h 16m
Multiple Airlines
Deal found 22/4C$ 522
Thu 30/47:00 a.m.
YOW
-
PHL
1 stop17h 20m
Multiple Airlines
Tue 5/58:45 a.m.
PHL
-
YOW
2 stops32h 50m
Multiple Airlines
Deal found 22/4C$ 549
Mon 8/67:00 a.m.
YOW
-
PHL
1 stop17h 44m
Multiple Airlines
Mon 15/65:10 p.m.
PHL
-
YOW
2 stops26h 55m
Multiple Airlines
Deal found 24/4C$ 596
Sat 2/57:00 a.m.
YOW
-
PHL
1 stop8h 27m
Multiple Airlines
Sat 9/56:00 a.m.
PHL
-
YOW
2 stops30h 15m
Multiple Airlines
Deal found 25/4C$ 604
Sun 17/56:55 a.m.
YOW
-
PHL
2 stops25h 59m
Multiple Airlines
Sun 24/58:44 p.m.
PHL
-
YOW
1 stop18h 16m
Multiple Airlines
Deal found 27/4C$ 622
Sat 9/57:00 a.m.
YOW
-
PHL
1 stop16h 58m
Multiple Airlines
Sun 10/59:05 p.m.
PHL
-
YOW
1 stop26h 48m
Multiple Airlines
Deal found 24/4C$ 635
Wed 6/57:00 a.m.
YOW
-
PHL
2 stops16h 32m
Multiple Airlines
Mon 11/58:44 p.m.
PHL
-
YOW
3 stops27h 41m
Multiple Airlines
Deal found 22/4C$ 671

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 27 April 2026.

Round-trip from

C$ 522

One-way from

C$ 277

Popular in

September

Cheapest in

December

Average price

C$ 845
5/6-12/6
  • 5/6-12/6
  • 3 total stops
  • 36h 00m total
  • Ottawa to Philadelphia
Search Deals
22/5
  • 22/5
  • 2 total stops
  • 31h 49m total
  • Ottawa to Philadelphia
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 236 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 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 629,999 searches. Data last updated 27 April 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

Fri 5/6

7:00 a.m.-11:58 p.m.

3 stops16h 58m

Philadelphia

Fri 12/6

8:44 p.m.-3:00 p.m.

1 stop18h 16m

C$ 634

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Mon 8/6

7:00 a.m.-11:58 p.m.

2 stops16h 58m

Philadelphia

Mon 15/6

6:45 a.m.-5:35 p.m.

2 stops34h 50m

C$ 738

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Sun 17/5

7:00 a.m.-12:44 a.m.

1 stop17h 44m

Philadelphia

Sun 24/5

8:44 p.m.-3:00 p.m.

1 stop18h 16m

C$ 743

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Sat 30/5

7:30 p.m.-11:44 p.m.

1 stop4h 14m

Philadelphia

Tue 2/6

6:00 a.m.-1:59 p.m.

1 stop7h 59m

C$ 768
Quickest round-trip

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Tue 23/6

7:30 p.m.-11:44 p.m.

1 stop4h 14m

Philadelphia

Thu 25/6

6:10 a.m.-10:03 a.m.

1 stop3h 53m

C$ 789
Cheapest one-way

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Fri 22/5

7:00 a.m.-2:49 p.m.

2 stops31h 49m

C$ 277
Quickest one-way

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Tue 9/6

7:00 a.m.-8:01 p.m.

2 stops13h 01m

C$ 283

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Thu 7/5

7:00 a.m.-12:44 a.m.

2 stops17h 44m

C$ 288

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Mon 8/6

7:00 a.m.-12:44 a.m.

1 stop17h 44m

C$ 291

OttawaPhiladelphia

YOW - PHL

YOWPHL

Ottawa

Sun 7/6

7:00 a.m.-12:44 a.m.

2 stops17h 44m

C$ 295

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/4

Showing 1-10 of 15 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

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

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 April 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
9,665 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,665 reviews
United Airlines
7.4
Good
9,665 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Air Canada
7.1
Good
10,974 reviews
United Airlines
7.4
Good
9,665 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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 . 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$ 411, 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$ 421. United Airlines is currently priced 48% 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

Travelling to a place near Philadelphia?

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

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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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Ottawa to Pittsburgh flights
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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 27 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 411AverageC$ 815FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 421AverageC$ 772FlexibilityNo 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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