Cheap Flights from Philadelphia to Ottawa

Compare Philadelphia to Ottawa flight deals

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

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Find the cheapest month to fly from Philadelphia to Ottawa

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

Alternative Philadelphia to Ottawa routes

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

Philadelphia to Ottawa: Flight information

The things to know before you go.
Cheapest flight foundC$272
Cheapest month to flySeptember

Finding cheap flights from Philadelphia to Ottawa: Frequently asked questions

There are 2 airports in Ottawa: Ottawa International and Ottawa Gatineau.
The best price we found for a return flight from Philadelphia to Ottawa is C$552. 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 Philadelphia to Ottawa. But we found flights with one or more stops from C$552.
As of September 2025, there are no flights flying from Philadelphia to Ottawa.
The cheapest month to fly from Philadelphia to Ottawa is usually October.
If you're flying from Philadelphia, the cheapest airport near Ottawa is Ottawa International – which is 11.2 km away from the centre of Ottawa. We've found flights into this airport from C$552.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Philadelphia to Ottawa on Thursday, October 30, 2025.
No airlines currently offer direct flights between Philadelphia and Ottawa. 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 Ottawa 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 Ottawa is around 40 days in advance, so don’t leave your flight to the last minute.
In September, the average temperature is usually around 15°C. July is typically the warmest month in Ottawa, when it usually averages around 25°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -16°C. The rainiest month is June.
The cheapest airline that flies to Ottawa is Spirit Airlines .

Travelling from Philadelphia to Ottawa: what you need to know

  • Philadelphia's main base, Philadelphia International Airport (PHL), is where countless incredible trips begin. Explore the departure options from here when planning your flight from Philadelphia to Ottawa.

  • Come in for landing at Ottawa/Macdonald-Cartier International Airport (YOW), the major arrival point in Ottawa.

  • To ensure you catch your flight from Philadelphia to Ottawa, allow plenty of time for things like check-in and baggage drop. Turning up two hours ahead of international departures and one hour before domestic flights is the general rule.

  • During popular months such as August, it's best to get to the airport earlier. Arrive two hours before a domestic departure and four hours ahead of an international flight when you fly during high season in general.

  • You can visit Canada for tourism purposes without a visa if you hold a passport from United States. But before organizing your cheap flight from Philadelphia to Ottawa, make sure you're up to date with the latest guidelines. Visa rules are subject to change, and you may need some travel documents if your trip is for work or other reasons.

Flying from Philadelphia

Philadelphia International Airport (PHL)

  • A stopover is the ideal opportunity to break up your journey — and perhaps even explore another city. When browsing flights from Philadelphia to Ottawa leaving from Philadelphia International Airport, uncheck the 'Direct flights only' box to see where you can stop along the way. Here are some popular options to consider:

    • Montreal-Pierre Elliott Trudeau International Airport (YUL)

    • Washington Dulles International Airport (IAD)

    • Ronald Reagan National Airport (DCA)

  • Travelling from central Philadelphia to PHL takes about 44 minutes on public transport. If you ride-share, drive or take a cab, you'll cover the 19 kilometres in 17 minutes or so, depending on traffic.

  • In search of a convenient hotel close to Philadelphia International Airport? If you've booked an early flight from Philadelphia to Ottawa, these stays will have you moments from your check-in counter:

Arriving in Ottawa

Ottawa Gatineau Airport (YND)

Ottawa/Macdonald-Cartier International Airport (YOW)

  • Once your flight from Philadelphia to Ottawa has arrived, you can make your way to the city centre in about 19 minutes by car. Central Ottawa is roughly 13 kilometres from Ottawa/Macdonald-Cartier International Airport (YOW).

  • You can also travel using public transport, which will take approximately 43 minutes.

  • After your flight from Philadelphia to Ottawa, tuck yourself in at a hotel close to YOW. These are some comfortable accommodation options that'll help you sink into relaxation mode:

How to find the cheapest flights from Philadelphia to Ottawa

  • Right now, C$272 is the lowest price we've seen for a one-way ticket from Philadelphia to Ottawa. The cheapest price for a return flight is C$552. Bear in mind fares may change due to demand at the time of booking.

  • To get your hands on cheap flights from Philadelphia to Ottawa, book as early as you can. Airlines generally offer their most competitively priced fares when flights are first made available.

  • The 'Whole month' search function shows you the cheapest tickets from Philadelphia to Ottawa across every month. It's a great way to snap up a bargain if your dates aren't set in stone.

  • Snapping up a cheap ticket from Philadelphia to Ottawa is easy with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you when the price has fallen.

  • Tailor your trip using filters. Select your arrival and departure times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Best' or 'Fastest' flights from Philadelphia to Ottawa.

Best time to go to Ottawa

  • Before securing your flights from Philadelphia to Ottawa, think about which time of year works best for you. Peak season in Ottawa offers a bustling atmosphere and plenty to do, while the low season means you'll get cheaper deals on hotels and smaller crowds.

  • Book your flight from Philadelphia to Ottawa for July if you'd like to experience the city during its warmest month. Expect temperatures in Ottawa to range from 13ºC to 27ºC.

  • If you'd rather travel in cooler conditions, book a cheap ticket from Philadelphia to Ottawa in January when temperatures average between -19ºC and -2ºC.

More about Ottawa

  • Once you've booked your flight from Philadelphia to Ottawa, think about where you'd like to stay in this city. Make one of these accommodation options your base for exploring Ottawa:

  • All great journeys should include a little sightseeing. Parliament Hill, Rideau Canal and National Gallery of Canada are must-visits when exploring Ottawa.

Complete your Ottawa trip with a car rental

  • Discover our range of car rentals once you've booked your hotel and cheap flight from Philadelphia to Ottawa. Whether you're looking for a compact ride, spacious sedan or something that makes a statement, you can easily compare companies in one go to find the best deal.

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