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Cheap flights from Philadelphia to Ottawa from $159

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Ottawa departing on 9/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:15 am - 2:33 pm
PHL
-
YOW
9h 18m
1 stop
Multiple Airlines Logo
4:15 pm - 12:09 am
YOW
-
PHL
7h 54m
1 stop
$411Multiple Airlines
Fri, Sep 11 - Mon, Sep 14
Multiple Airlines Logo
5:41 pm - 5:23 pm
PHL
-
YOW
23h 42m
2 stops
Multiple Airlines Logo
7:00 am - 5:16 pm
YOW
-
PHL
10h 16m
1 stop
$413Multiple Airlines
Sat, Aug 29 - Sat, Sep 5
Multiple Airlines Logo
5:45 pm - 8:00 pm
PHL
-
YOW
26h 15m
2 stops
Multiple Airlines Logo
4:15 pm - 9:30 am
YOW
-
PHL
17h 15m
1 stop
$423Multiple Airlines
Tue, Sep 22 - Mon, Sep 28
Multiple Airlines Logo
5:32 pm - 3:15 pm
PHL
-
YOW
21h 43m
2 stops
Multiple Airlines Logo
4:15 pm - 12:09 am
YOW
-
PHL
7h 54m
1 stop
$437Multiple Airlines
Fri, Sep 11 - Mon, Sep 14
Multiple Airlines Logo
10:01 pm - 5:23 pm
PHL
-
YOW
19h 22m
2 stops
Multiple Airlines Logo
4:15 pm - 8:51 am
YOW
-
PHL
16h 36m
1 stop
$503Multiple Airlines
Thu, Sep 3 - Mon, Sep 7
Multiple Airlines Logo
7:55 am - 5:35 pm
PHL
-
YOW
9h 40m
2 stops
Multiple Airlines Logo
7:00 am - 11:31 pm
YOW
-
PHL
16h 31m
1 stop
$530Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
5:45 pm - 5:35 pm
PHL
-
YOW
23h 50m
2 stops
Multiple Airlines Logo
4:15 pm - 9:30 am
YOW
-
PHL
17h 15m
1 stop
$546Multiple Airlines
Tue, Sep 22 - Mon, Sep 28
Multiple Airlines Logo
1:53 pm - 8:10 pm
PHL
-
YOW
6h 17m
1 stop
Multiple Airlines Logo
7:00 am - 5:16 pm
YOW
-
PHL
10h 16m
1 stop
$581Multiple Airlines
Sat, Aug 29 - Sat, Sep 5
Air Canada Logo
7:00 am - 11:15 am
PHL
-
YOW
4h 15m
1 stop
Air Canada Logo
6:45 am - 2:47 pm
YOW
-
PHL
8h 02m
2 stops
$820Air Canada
Sat, Sep 26 - Wed, Sep 30
Air Canada Logo
7:00 am - 11:15 am
PHL
-
YOW
4h 15m
1 stop
Air Canada Logo
6:45 am - 2:47 pm
YOW
-
PHL
8h 02m
2 stops
$843Air Canada
Sat, Sep 26 - Wed, Sep 30

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Porter Airlines flights from Philadelphia to Ottawa

Our best Porter Airlines deals on Philadelphia to Ottawa flight tickets
Porter Airlines
Oct 7
PHL9:55 pmPhiladelphia
17h 00m
1 stop
YOW2:55 pmOttawa
Oct 11
YOW8:40 amOttawa
5h 49m
1 stop
PHL2:29 pmPhiladelphia
$705
Porter Airlines
Aug 21
PHL9:50 pmPhiladelphia
10h 15m
1 stop
YOW8:05 amOttawa
Aug 23
YOW8:40 amOttawa
5h 34m
1 stop
PHL2:14 pmPhiladelphia
$731
Porter Airlines
Sep 12
PHL7:47 pmPhiladelphia
12h 18m
1 stop
YOW8:05 amOttawa
Sep 19
YOW8:40 amOttawa
5h 32m
1 stop
PHL2:12 pmPhiladelphia
$764

United Airlines flights from Philadelphia to Ottawa

Our best United Airlines deals on Philadelphia to Ottawa flight tickets
United Airlines
Sep 26
PHL10:40 amPhiladelphia
3h 37m
1 stop
YOW2:17 pmOttawa
Sep 30
YOW10:00 amOttawa
4h 20m
1 stop
PHL2:20 pmPhiladelphia
$784
United Airlines
Aug 13
PHL10:30 amPhiladelphia
3h 47m
1 stop
YOW2:17 pmOttawa
Aug 16
YOW6:25 amOttawa
5h 58m
1 stop
PHL12:23 pmPhiladelphia
$859
United Airlines
Aug 12
PHL10:30 amPhiladelphia
10h 45m
2 stops
YOW9:15 pmOttawa
Aug 16
YOW6:25 amOttawa
8h 15m
1 stop
PHL2:40 pmPhiladelphia
$958

momondo 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, momondo users made 832,500 searches. Data last updated July 31, 2026.
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 - YOW

PHLYOW

Philadelphia

Fri 9/11

5:15 am-2:33 pm

1 stop9h 18m

Ottawa

Mon 9/14

4:15 pm-12:09 am

1 stop7h 54m

$411

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Sat 8/29

5:41 pm-5:23 pm

2 stops23h 42m

Ottawa

Sat 9/5

7:00 am-5:16 pm

1 stop10h 16m

$413

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Tue 9/22

5:45 pm-8:00 pm

2 stops26h 15m

Ottawa

Mon 9/28

4:15 pm-9:30 am

1 stop17h 15m

$423

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Fri 9/11

5:32 pm-3:15 pm

2 stops21h 43m

Ottawa

Mon 9/14

4:15 pm-12:09 am

1 stop7h 54m

$437

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Thu 9/3

10:01 pm-5:23 pm

2 stops19h 22m

Ottawa

Mon 9/7

4:15 pm-8:51 am

1 stop16h 36m

$503

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Mon 8/17

7:55 am-5:35 pm

2 stops9h 40m

Ottawa

Mon 8/24

7:00 am-11:31 pm

1 stop16h 31m

$530

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Tue 9/22

5:45 pm-5:35 pm

2 stops23h 50m

Ottawa

Mon 9/28

4:15 pm-9:30 am

1 stop17h 15m

$546

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Sat 8/29

1:53 pm-8:10 pm

1 stop6h 17m

Ottawa

Sat 9/5

7:00 am-5:16 pm

1 stop10h 16m

$581
Quickest round-trip

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Sat 9/26

7:00 am-11:15 am

1 stop4h 15m

Ottawa

Wed 9/30

6:45 am-2:47 pm

2 stops8h 02m

$820

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Sat 9/26

7:00 am-11:15 am

1 stop4h 15m

Ottawa

Wed 9/30

6:45 am-2:47 pm

2 stops8h 02m

$843

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Philadelphia to Ottawa

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ottawa?

In general, August is the cheapest month to fly from Philadelphia to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. The month of October is another great option to travel to Ottawa, with average flight prices from Philadelphia averaging around $361.

When to book flights from Philadelphia to Ottawa

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Ottawa according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Ottawa (PHL to YOW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Ottawa

Fastest flight time

3h 47m

Direct flights

None
The fastest flight from Philadelphia to Ottawa takes 3h 47m
There are no direct flights from Philadelphia to Ottawa. There are no popular flight routes from Philadelphia to Ottawa.
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Frequently asked questions about flying from Philadelphia to Ottawa

  • How far is Philadelphia to Ottawa by plane?

    Ottawa is 378.0 mi away from Philadelphia. A reasonable flight in good conditions will take 3h 47m.

  • When did momondo last update prices for flights from Philadelphia Airport to Ottawa Airport?

    Prices for flights from Philadelphia Airport to Ottawa Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Philadelphia Airport to Ottawa Airport?

  • How old do you have to be to fly from Philadelphia Airport to Ottawa Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Philadelphia Airport to Ottawa Airport.

  • What documentation or ID do you need to fly to Ottawa Airport?

    The necessary travel and health documents for your Ottawa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Philadelphia to Ottawa?

Best airlines flying from Philadelphia to Ottawa

Compare and see reviews for airlines that fly from Philadelphia to Ottawa with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $361Free CancellationRating
7.1
11,413 reviews
Search Air Canada flights

Traveling to a place near Ottawa?

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

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Ottawa?

It is quick and easy to find Philadelphia to Ottawa flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ottawa that suits you.

Can I find flights from Philadelphia to Ottawa with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Ottawa from Philadelphia with this policy.

How can momondo help me find flights from Philadelphia to Ottawa?

momondo helps you find the best flight between Philadelphia and Ottawa by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Philadelphia to Ottawa right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Philadelphia to Ottawa now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ottawa and let you know when they change.

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