HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ottawa

$159+ Cheap flights from Philadelphia (PHL) to Ottawa (YOW)

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — YOW
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia to Ottawa with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Philadelphia to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Ottawa (YOW). 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 July 30, 2025.

Round-trip from

$382
(Kiwi.com)

One-way from

$159
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$749
From Philadelphia to Ottawa
Search Deals
One-way flight from Philadelphia to Ottawa
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Philadelphia to Ottawa

Cheapest flights from Philadelphia to Ottawa
Explore the most affordable flight options available from Philadelphia to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/275:05 amPHL - YOW
1 stop12h 15mMultiple Airlines
Wed 9/37:00 amYOW - PHL
2 stops11h 34mMultiple Airlines
Deal found 7/28$382
This Flightnetwork deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/125:15 pmPHL - YOW
2 stops8h 19mAir Canada
Fri 9/197:00 amYOW - PHL
2 stops15h 29mAir Canada
Deal found 7/29$660
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2510:30 amPHL - YOW
1 stop23h 28mUnited Airlines
Mon 9/17:29 pmYOW - PHL
1 stop18h 37mUnited Airlines
Deal found 7/28$664

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia 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 2,558,603 searches. Data last updated July 30, 2025.
Use the filters below to find and compare flights from Philadelphia to Ottawa that are best for you.

Fly from

Philadelphia

Fly to

Ottawa

Route

Depart

Return

Price

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Wed 8/27

5:05 am-5:20 pm

1 stop12h 15m

Ottawa

Wed 9/3

7:00 am-6:34 pm

2 stops11h 34m

$382

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Fri 9/12

5:15 pm-1:34 am

2 stops8h 19m

Ottawa

Fri 9/19

7:00 am-10:29 pm

2 stops15h 29m

$660

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Mon 8/25

10:30 am-9:58 am

1 stop23h 28m

Ottawa

Mon 9/1

7:29 pm-2:06 pm

1 stop18h 37m

$664

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Thu 9/4

7:15 am-4:58 pm

1 stop9h 43m

$159

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Wed 8/20

10:40 am-3:05 pm

1 stop4h 25m

$393

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Philadelphia to Ottawa

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

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

Currently, January is the cheapest month in which you can book a flight from Philadelphia to Ottawa (average of $294). Flying from Philadelphia to Ottawa in September is currently the most expensive (average of $428). 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.

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. 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 Ottawa. Reviews last updated July 30, 2025.
Peruse reviews from past customers who have flown with United Airlines and Air Canada from Philadelphia to Ottawa 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
8,896 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,837 reviews
United Airlines
7.4
Good
8,896 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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

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

    Our cheapest airline available from Philadelphia to Ottawa is Air Canada. Our recent data shows that you can find tickets from as low as $660 on this airline. An additional option worth looking into is United Airlines, starting at $664. Air Canada is priced at 8% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Philadelphia to Ottawa (average of $294). Flying from Philadelphia to Ottawa in September is currently the most expensive (average of $428). 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

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Petawawa

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Philadelphia to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Pearson Intl flights
Newark to Toronto Island flights
John F Kennedy Intl to Pearson Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
LaGuardia to Pearson Intl flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
Newark to Pierre Elliott Trudeau Intl flights
Dulles Intl to Pearson Intl flights
Reagan-National to Pearson Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Dulles Intl to Toronto Island flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Philadelphia to Pearson Intl flights
John F Kennedy Intl to Toronto Island flights
LaGuardia to Toronto Island flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Philadelphia to Toronto Island flights
Reagan-National to Toronto Island flights
Newark to Ottawa flights
Pittsburgh to Pearson Intl flights
John F Kennedy Intl to Hamilton flights
Pittsburgh to Pierre Elliott Trudeau Intl flights
Dulles Intl to Ottawa flights
John F Kennedy Intl to Ottawa flights
Reagan-National to Ottawa flights
LaGuardia to Ottawa flights
Dulles Intl to Hamilton flights
Pittsburgh to Toronto Island flights
Allentown to Pearson Intl flights
Pittsburgh to Ottawa flights
Harrisburg to Pearson Intl flights
LaGuardia to London flights
John F Kennedy Intl to London flights
Newark to London flights
LaGuardia to Hamilton flights
Newark to Hamilton flights
Allentown to Pierre Elliott Trudeau Intl flights
Reagan-National to London flights
Dulles Intl to London flights
Newark to Windsor flights
LaGuardia to Windsor flights
Dulles Intl to Sudbury flights
Harrisburg to Pierre Elliott Trudeau Intl flights
Philadelphia to London flights
Reagan-National to Hamilton flights
Reagan-National to Windsor flights

Top airline flying from Philadelphia to Ottawa

Discover the top airline that operate flights from Philadelphia to Ottawa. 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 2,558,603 searches. Data last updated July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$377Average$666FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.