Cheap Flights from Ottawa (YOWA) to Philadelphia (PHLA)

Compare Ottawa to Philadelphia flight deals

Find the cheapest month or even day of the year to fly to Philadelphia

Book the best Philadelphia fare with no extra fees

Flight deals from Ottawa to Philadelphia

Looking for a cheap last-minute deal or the best return flight from Ottawa to Philadelphia? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Ottawa to Philadelphia

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ottawa to Philadelphia flights are currently cheapest in December.

Alternative Ottawa to Philadelphia routes

Looking for the cheapest, fastest or easiest route from Ottawa to Philadelphia? You could fly into the following airports instead.

Ottawa to Philadelphia: Flight information

The things to know before you go.
Cheapest flight found$892
Cheapest month to flyDecember

Finding cheap flights from Ottawa to Philadelphia: Frequently asked questions

There are 6 airports in Philadelphia: Philadelphia International, Blue Bell, Philadelphia Trenton-Mercer, Greater Wilmington, Atlantic City International, and Allentown.
The best price we found for a return flight from Ottawa to Philadelphia is $892. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Ottawa to Philadelphia. But we found flights with one or more stops from $892.
As of July 2025, there are no flights flying from Ottawa to Philadelphia.
The cheapest month to fly from Ottawa to Philadelphia is usually December.
If you're flying from Ottawa, the cheapest airport near Philadelphia is Philadelphia International – which is 11.2 km away from the centre of Philadelphia. We've found flights into this airport from $892.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Ottawa to Philadelphia on Friday, 19 December 2025.
No airlines currently offer direct flights between Ottawa and Philadelphia. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Philadelphia but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Philadelphia is around 40 days in advance, so don’t leave your flight to the last minute.
In July, the average temperature is usually around 24°C. July is typically the warmest month in Philadelphia, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -5°C. The rainiest month is July.
The cheapest airline that flies to Philadelphia is Air Canada .

Flying from Ottawa to Philadelphia: what you need to know

  • Ottawa's main base, Ottawa/Macdonald-Cartier International Airport (YOW), is where plenty of awesome adventures begin. Explore your departure options from here for your flight from Ottawa to Philadelphia.

  • Disembark at Philadelphia's chief entry point, Philadelphia International Airport (PHL).

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This ensures you have enough time to board your Ottawa to Philadelphia flight.

  • If you're jetting off during a bank holiday or other peak period, allow for even more time. A good rule is two hours before domestic flights and up to four hours before international departures. Check-in and security lines will be longer.

How to find the cheapest flights from Ottawa to Philadelphia

  • Booking in advance is often the key to securing a cheap Ottawa to Philadelphia flight. Prices tend to rise as demand increases, so the nearer you get to departure, the more you'll likely pay.

  • If you can be flexible with your travel plans, use the 'Whole month' tool. It'll give you the lowest price in each month when searching for your plane ticket from Ottawa to Philadelphia.

  • Locking in a cheap flight from Ottawa to Philadelphia is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll get in touch when a better deal is available.

  • Save on your Ottawa to Philadelphia flight with the help of our filters. Select your ideal departure time, duration and airlines, then sort the results by 'Cheapest' to see the best deals.

Flying from Ottawa

Ottawa/Macdonald-Cartier International Airport (YOW)

  • Located around 11 kilometres from central Ottawa, YOW can be reached in about 20 minutes by car (depending on traffic). The journey on public transport is roughly 45 minutes.

  • Catching an early flight from Ottawa to Philadelphia? Avoid rushing to the terminal (and catch some extra z's) by choosing one of these hotels near Ottawa/Macdonald-Cartier International Airport:

  • 58.21% of flights taking off from Ottawa/Macdonald-Cartier International Airport reach their destination on time.

  • YOW's address is 50 Airport Road.

Arriving in Philadelphia

Philadelphia International Airport (PHL)

Trenton-Mercer Airport (TTN)

  • Once your flight from Ottawa to Philadelphia has arrived, you can make your way to the city centre in around 40 minutes by car. Central Philadelphia is roughly 48 kilometres from Trenton-Mercer Airport (TTN).

  • If you're travelling on public transport, it'll take around 1 hour 45 minutes.

  • The fastest way to reach your destination is with a Trenton-Mercer Airport rental car. Collect your wheels from Budget, National or Enterprise and be on your way in a flash.

  • Call dibs on the best options. Securing your ride from TTN four weeks ahead of time often means better prices and a wider choice of vehicles.

  • The address for Trenton-Mercer Airport is Scotch Road, Terminal Building.

Best time to go to Philadelphia

  • August is the busiest month for flights from Ottawa to Philadelphia. To skip the crowds, head to Philadelphia in February.

  • The warmest month in Philadelphia is July, with temperatures ranging between 18ºC (64ºF) and 32ºC (90ºF). Book your Ottawa to Philadelphia ticket then if this is the type of weather you enjoy.

  • If you'd rather travel in cooler conditions, search for a cheap flight from Ottawa to Philadelphia in January when temperatures average between -7ºC (19ºF) and 9ºC (48ºF).

More about Philadelphia

Explore more of United States

  • New York is just one of the many cities in United States waiting to be discovered after you've experienced Philadelphia. Around 129 kilometres to the north-east, check out popular attractions including Statue of Liberty, Central Park and Empire State Building.

  • If you're ready to explore another well-known destination in United States, head for Boston, roughly 434 kilometres north-east of Philadelphia. Freedom Trail, Museum of Fine Arts Boston and Boston Tea Party Ships & Museum are highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.