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Cheap flights from Pennsylvania to Ottawa from C$ 149

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 18/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — YOW
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Pennsylvania to Ottawa

Keep the following information in mind while searching for Pennsylvania to Ottawa flight deals. Data was last updated 15 September 2025.

Round-trip from

C$ 325

One-way from

C$ 149

Popular in

December

Cheapest in

August

Average price

C$ 678
Porter Airlines
  • Porter Airlines
  • 11/10-11/10
  • 2 total stops
  • 9h 16m total
  • Pennsylvania to Ottawa
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Porter Airlines
  • Porter Airlines
  • 18/10
  • Nonstop
  • 1h 41m total
  • Pennsylvania to Ottawa
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 146 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 49 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Pennsylvania to Ottawa

Cheapest flights from Pennsylvania to Ottawa
Explore the most affordable flight options available from Pennsylvania to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Sat 11/107:50 a.m.EWR - YOW
Nonstop1h 41mPorter Airlines
Sat 11/101:25 p.m.YOW - EWR
2 stops7h 35mPorter Airlines
Deal found 14/9C$ 325
Sat 4/101:15 p.m.EWR - YOW
1 stop4h 54mPorter Airlines
Mon 6/109:35 a.m.YOW - EWR
1 stop4h 45mPorter Airlines
Deal found 13/9C$ 344
Tue 7/103:05 p.m.EWR - YOW
1 stop4h 29mPorter Airlines
Thu 9/1011:00 a.m.YOW - EWR
1 stop3h 20mPorter Airlines
Deal found 14/9C$ 345
Fri 10/103:05 p.m.EWR - YOW
1 stop5h 29mPorter Airlines
Sun 12/104:05 p.m.YOW - EWR
Nonstop1h 35mPorter Airlines
Deal found 14/9C$ 350
Sat 4/101:15 p.m.EWR - YOW
1 stop4h 54mPorter Airlines
Sun 5/105:15 p.m.YOW - EWR
1 stop4h 55mPorter Airlines
Deal found 13/9C$ 351
Wed 15/107:50 a.m.EWR - YOW
1 stop5h 09mPorter Airlines
Tue 21/101:25 p.m.YOW - EWR
1 stop5h 20mPorter Airlines
Deal found 14/9C$ 355
Thu 9/106:25 p.m.EWR - YOW
Nonstop1h 40mPorter Airlines
Sat 11/108:25 a.m.YOW - EWR
Nonstop1h 35mPorter Airlines
Deal found 15/9C$ 356
Wed 8/1012:00 p.m.EWR - YOW
1 stop4h 34mPorter Airlines
Fri 17/104:05 p.m.YOW - EWR
Nonstop1h 35mPorter Airlines
Deal found 15/9C$ 358
Sat 11/107:54 p.m.PHL - YOW
1 stop21h 26mMultiple Airlines
Fri 24/104:25 p.m.YOW - PHL
1 stop8h 42mMultiple Airlines
Deal found 14/9C$ 394
Tue 14/109:14 p.m.PHL - YOW
1 stop19h 43mMultiple Airlines
Thu 23/104:25 p.m.YOW - PHL
1 stop8h 48mMultiple Airlines
Deal found 14/9C$ 395
Sat 11/107:54 p.m.PHL - YOW
1 stop21h 26mMultiple Airlines
Thu 23/104:25 p.m.YOW - PHL
1 stop8h 48mMultiple Airlines
Deal found 14/9C$ 396
Sat 11/107:54 p.m.PHL - YOW
1 stop21h 26mMultiple Airlines
Wed 22/104:25 p.m.YOW - PHL
1 stop15h 05mMultiple Airlines
Deal found 14/9C$ 398

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania to Ottawa 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 15 September 2025.
Use the filters below to find and compare flights from Pennsylvania to Ottawa that are best for you.

Fly from

Pennsylvania

Fly to

Ottawa

Route

Depart

Return

Price

NewarkOttawa

EWR - YOW

EWRYOW

Newark

Wed 29/10

10:55 a.m.-12:35 p.m.

Nonstop1h 40m

Ottawa

Wed 29/10

3:35 p.m.-9:15 a.m.

1 stop17h 40m

C$ 377

NewarkOttawa

EWR - YOW

EWRYOW

Newark

Thu 9/10

10:00 a.m.-4:34 p.m.

1 stop6h 34m

Ottawa

Sun 12/10

7:00 a.m.-12:30 p.m.

1 stop5h 30m

C$ 385

NewarkOttawa

EWR - YOW

EWRYOW

Newark

Mon 6/10

3:05 p.m.-7:34 p.m.

1 stop4h 29m

Ottawa

Tue 6/1

9:25 a.m.-10:55 a.m.

Nonstop1h 30m

C$ 391

NewarkOttawa

EWR - YOW

EWRYOW

Newark

Tue 14/10

3:05 p.m.-8:34 p.m.

1 stop5h 29m

Ottawa

Sun 19/10

11:50 a.m.-1:30 p.m.

Nonstop1h 40m

C$ 391

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Tue 14/10

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

1 stop19h 43m

Ottawa

Thu 23/10

4:25 p.m.-1:13 a.m.

1 stop8h 48m

C$ 395

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Sun 12/10

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

1 stop12h 15m

Ottawa

Fri 24/10

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

1 stop8h 42m

C$ 398

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Sun 12/10

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

1 stop12h 15m

Ottawa

Mon 20/10

4:25 p.m.-2:17 p.m.

1 stop21h 52m

C$ 401

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Sun 12/10

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

1 stop12h 15m

Ottawa

Wed 22/10

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

1 stop15h 05m

C$ 402

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Tue 14/10

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

1 stop11h 47m

Ottawa

Wed 22/10

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

1 stop15h 05m

C$ 419

NewarkOttawa

EWR - YOW

EWRYOW

Newark

Tue 14/10

1:15 p.m.-2:56 p.m.

Nonstop1h 41m

Ottawa

Fri 17/10

4:05 p.m.-5:40 p.m.

Nonstop1h 35m

C$ 421

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 60 results
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Best time to book a flight from Pennsylvania to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Pennsylvania 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 Pennsylvania to Ottawa

What is the cheapest month to book a flight from Pennsylvania to Ottawa?

Currently, October is the cheapest month in which you can book a flight from Pennsylvania to Ottawa (average of C$ 224). Flying from Pennsylvania to Ottawa in December is currently the most expensive (average of C$ 326). 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.

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ottawa from Pennsylvania?

    Located just 10.6 km from the city centre, Ottawa (YOW) is the airport most travelers will use when flying to Ottawa from Pennsylvania.

  • How long is the flight from Pennsylvania to Ottawa?

    A quick flight from Pennsylvania to Ottawa can take about 1h 40m. Porter Airlines provides one of the quickest options available for as low as C$ 377. There are 528 km between Pennsylvania and Ottawa. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Pennsylvania to Ottawa?

    The most popular route from Pennsylvania to Ottawa is Washington, D.C. Dulles Intl - Ottawa. You may also consider Newark - Ottawa or Washington, D.C. Reagan-National - Ottawa.

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

    Yes. In addition to deals on Pennsylvania to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pennsylvania to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pennsylvania to Ottawa.

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

    Yes. Cheapflights offers flight deals from Pennsylvania to Ottawa 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 Pennsylvania to Ottawa?

    Currently, October is the cheapest month in which you can book a flight from Pennsylvania to Ottawa (average of C$ 224). Flying from Pennsylvania to Ottawa in December is currently the most expensive (average of C$ 326). 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 Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Smiths Falls
Perth
Prescott
Pembroke
Wakefield

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Alternative routes for Pennsylvania to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
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Boston to Toronto Island flights
Seattle to Pearson Intl flights
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Dulles Intl to Toronto Island flights
Boston to Pierre Elliott Trudeau Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Atlanta to Pearson Intl flights
George Bush Intcntl to Pearson Intl flights
Philadelphia to Pearson Intl flights
Midway to Toronto Island flights
Fort Lauderdale to Pearson Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
Minneapolis to Pearson Intl flights
Baltimore to Pearson Intl flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Minneapolis to Pierre Elliott Trudeau Intl flights
Raleigh to Pearson Intl flights
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Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
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