In terms of precipitation, rainfall in Ottawa ranges from 50.0 - 93.0 mm per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

What is the cheapest time of day to fly from PHL to YOW?

When flying from Philadelphia to Ottawa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

C$ 220+ Cheap Flights from Philadelphia to Ottawa

Cheap flight deals from Philadelphia to Ottawa

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 30 October 2026.

Fri 27/119:24 a.m. -

1 stop12h 43m

Fri 4/123:15 p.m. -

2 stops21h 58m

Deal found 28/10C$ 646

Thu 10/124:31 p.m. -

2 stops31h 14m

Thu 17/129:15 a.m. -

1 stop24h 21m

Deal found 26/10C$ 701

Mon 14/126:31 p.m. -

2 stops29h 38m

Mon 21/129:15 a.m. -

1 stop24h 21m

Deal found 30/10C$ 713

Sat 12/126:31 p.m. -

2 stops20h 01m

Sat 19/129:15 a.m. -

1 stop24h 21m

Deal found 28/10C$ 789

Find flight deals from Philadelphia to Ottawa

Round-trip from	C$ 646
One-way from	C$ 220
Popular in	May
Cheapest in	December
Average price	C$ 1,080

27/11-4/12
3 total stops
34h 41m total
Philadelphia to Ottawa

Search Deals

6/1-31/12
2 total stops
31h 14m total
Philadelphia to Ottawa

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (C$ 315 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 13% potential price decrease (C$ 308 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaOttawa

PHL Philadelphia - YOW Ottawa

PHLYOW

Philadelphia

Wed 6/1

7:16 a.m.-2:30 p.m.

2 stops31h 14m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 220

PhiladelphiaOttawa

PHL Philadelphia - YOW Ottawa

PHLYOW

Philadelphia

Thu 7/1

6:40 p.m.-8:09 p.m.

3 stops25h 29m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 239

PhiladelphiaOttawa

PHL Philadelphia - YOW Ottawa

PHLYOW

Philadelphia

Sun 13/12

6:31 p.m.-6:13 p.m.

3 stops23h 42m

Ottawa

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 327

PhiladelphiaOttawa

PHL Philadelphia - YOW Ottawa

PHLYOW

Philadelphia

Mon 14/12

6:31 p.m.-12:09 a.m.

2 stops29h 38m

Ottawa

Mon 21/12

9:15 a.m.-9:36 a.m.

1 stop24h 21m

C$ 713

PhiladelphiaOttawa

PHL Philadelphia - YOW Ottawa

PHLYOW

Philadelphia

Thu 10/12

7:00 a.m.-5:56 p.m.

2 stops10h 56m

Ottawa

Thu 17/12

12:10 p.m.-1:05 a.m.

2 stops12h 55m

C$ 831

PhiladelphiaOttawa

PHL Philadelphia - YOW Ottawa

PHLYOW

Philadelphia

Sat 12/12

6:31 p.m.-9:29 p.m.

3 stops26h 58m

Ottawa

Sat 19/12

10:25 a.m.-8:00 a.m.

3 stops21h 35m

C$ 838

PhiladelphiaOttawa

PHL Philadelphia - YOW Ottawa

PHLYOW

Philadelphia

Sun 22/11

9:24 a.m.-12:22 a.m.

1 stop14h 58m

Ottawa

Sun 29/11

7:05 a.m.-6:08 a.m.

2 stops47h 03m

C$ 961

PhiladelphiaOttawa

PHL Philadelphia - YOW Ottawa

PHLYOW

Philadelphia

Mon 23/11

4:50 p.m.-2:42 p.m.

2 stops21h 52m

Ottawa

Sun 29/11

8:00 a.m.-8:02 a.m.

1 stop24h 02m

C$ 985

Quickest round-trip

PhiladelphiaOttawa

PHL Philadelphia - YOW Ottawa

PHLYOW

Philadelphia

Tue 12/1

3:20 p.m.-7:52 p.m.

1 stop4h 32m

Ottawa

Thu 14/1

10:50 a.m.-2:44 p.m.

1 stop3h 54m

C$ 1,185

PhiladelphiaOttawa

PHL Philadelphia - YOW Ottawa

PHLYOW

Philadelphia

Tue 2/2

3:05 p.m.-7:27 p.m.

1 stop4h 22m

Ottawa

Thu 4/2

9:45 a.m.-2:14 p.m.

1 stop4h 29m

C$ 1,196

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/10

Showing 1-10 of 11 resultsSorted by cheapest first

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.

PHL-YOW

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.

Related info for your journey

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.

Gatineau

Prescott

Brockville

Wakefield

Pembroke

Smiths Falls

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

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Flights by cabin class

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Ottawa flight routes

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Alternative routes for Philadelphia to Ottawa

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Newark to Pearson Intl flights

LaGuardia to Pearson Intl flights

John F Kennedy Intl to Pearson Intl flights

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LaGuardia to Pierre Elliott Trudeau Intl flights

LaGuardia to Toronto Island flights

John F Kennedy Intl to Pierre Elliott Trudeau Intl flights

Reagan-National to Pearson Intl flights

Dulles Intl to Pearson Intl flights

Dulles Intl to Pierre Elliott Trudeau Intl flights

Reagan-National to Pierre Elliott Trudeau Intl flights

John F Kennedy Intl to Toronto Island flights

Newark to Hamilton flights

Dulles Intl to Toronto Island flights

Philadelphia to Pierre Elliott Trudeau Intl flights

Philadelphia to Pearson Intl flights

Reagan-National to Toronto Island flights

Dulles Intl to Ottawa flights

Newark to Ottawa flights

Reagan-National to Ottawa flights

LaGuardia to Ottawa flights

John F Kennedy Intl to Ottawa flights

LaGuardia to Hamilton flights

Philadelphia to Toronto Island flights

Pittsburgh to Pierre Elliott Trudeau Intl flights

Pittsburgh to Pearson Intl flights

Dulles Intl to Hamilton flights

Pittsburgh to Toronto Island flights

Philadelphia to Hamilton flights

State College to Pearson Intl flights

Harrisburg to Ottawa flights

Harrisburg to Pierre Elliott Trudeau Intl flights

Harrisburg to Pearson Intl flights

Dulles Intl to Sault Ste Marie flights

Newark to London flights

State College to Pierre Elliott Trudeau Intl flights

Allentown to Pierre Elliott Trudeau Intl flights

Scranton to Pierre Elliott Trudeau Intl flights

Dulles Intl to London flights

Williamsport to Pearson Intl flights

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Cheapflights helps you search for flights from Philadelphia to Ottawa via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Ottawa?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Philadelphia to Ottawa.

Can Cheapflights find flights from Philadelphia to Ottawa with no change fees?

Certainly. Search results for flights to Ottawa from Philadelphia shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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Cheap flights from Philadelphia to Ottawa from C$ 220

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Philadelphia to Ottawa

Cheapest flights from Philadelphia to OttawaExplore 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 30 October 2026.

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 30 October 2026.

Best flights from Philadelphia to OttawaDiscover carefully curated flight deals from Philadelphia to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Discover carefully curated flight deals from Philadelphia to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from Philadelphia to OttawaDiscover last-minute flight deals from Philadelphia to Ottawa. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from Philadelphia to Ottawa. Data last updated 30 October 2026 and is based on user searches.

One-way flights from Philadelphia to OttawaSearch for one-way flight options from Philadelphia to Ottawa. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

Search for one-way flight options from Philadelphia to Ottawa. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

Find flight deals from Philadelphia to Ottawa

Round-trip from

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Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Philadelphia to Ottawa that are best for you.

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.

Related info for your journey

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

How can I find direct flights from Philadelphia to Ottawa?

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

Travelling to a place near Ottawa?

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.

Complete your trip

Complete your trip to Ottawa by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Ontario

Book a non-stop flight to one of these other cities located in Ontario.

Search flights from Philadelphia to Ottawa by cabin class

Find flights from Philadelphia to Ottawa, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Philadelphia and Ottawa flights

Browse other Philadelphia and Ottawa flight options. Last updated on 30 October 2026.

Other flights from Philadelphia

Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.

Other flights to Ottawa

Explore flights to Ottawa departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

How does Cheapflights help users find flights from Philadelphia to Ottawa?

Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Ottawa?

Can Cheapflights find flights from Philadelphia to Ottawa with no change fees?

Can Cheapflights notify me if prices for flights from Philadelphia to Ottawa become cheaper?

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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 30 October 2026.

Best flights from Philadelphia to Ottawa
Discover carefully curated flight deals from Philadelphia to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from Philadelphia to Ottawa
Discover last-minute flight deals from Philadelphia to Ottawa. Data last updated 30 October 2026 and is based on user searches.

One-way flights from Philadelphia to Ottawa
Search for one-way flight options from Philadelphia to Ottawa. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.