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Cheap flights from Philadelphia to Ottawa from $158

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 8/29. 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
6:00 am - 2:55 pm
PHL
-
YOW
8h 55m
1 stop
Multiple Airlines Logo
6:55 am - 12:15 am
YOW
-
PHL
17h 20m
2 stops
$405Multiple Airlines
Mon, Aug 3 - Thu, Aug 6
Multiple Airlines Logo
2:29 pm - 2:55 pm
PHL
-
YOW
24h 26m
1 stop
Multiple Airlines Logo
7:00 am - 10:33 pm
YOW
-
PHL
15h 33m
2 stops
$424Multiple Airlines
Sun, Aug 23 - Sat, Aug 29
Multiple Airlines Logo
9:16 pm - 2:33 pm
PHL
-
YOW
17h 17m
1 stop
Multiple Airlines Logo
7:00 am - 12:43 am
YOW
-
PHL
17h 43m
2 stops
$445Multiple Airlines
Thu, Aug 6 - Thu, Aug 13
Multiple Airlines Logo
2:29 pm - 2:55 pm
PHL
-
YOW
24h 26m
1 stop
Multiple Airlines Logo
7:00 am - 10:59 pm
YOW
-
PHL
15h 59m
1 stop
$451Multiple Airlines
Sun, Aug 23 - Sat, Aug 29
Multiple Airlines Logo
9:16 pm - 2:33 pm
PHL
-
YOW
17h 17m
1 stop
Multiple Airlines Logo
7:00 am - 7:15 am
YOW
-
PHL
24h 15m
2 stops
$481Multiple Airlines
Thu, Aug 13 - Mon, Aug 17
Multiple Airlines Logo
9:16 pm - 2:33 pm
PHL
-
YOW
17h 17m
1 stop
Multiple Airlines Logo
2:10 pm - 7:15 am
YOW
-
PHL
17h 05m
2 stops
$505Multiple Airlines
Thu, Aug 6 - Thu, Aug 13
Multiple Airlines Logo
9:16 pm - 2:33 pm
PHL
-
YOW
17h 17m
1 stop
Multiple Airlines Logo
2:10 pm - 7:15 am
YOW
-
PHL
17h 05m
2 stops
$511Multiple Airlines
Thu, Aug 13 - Thu, Aug 20
Multiple Airlines Logo
4:30 pm - 2:33 pm
PHL
-
YOW
22h 03m
2 stops
Multiple Airlines Logo
7:00 am - 12:43 am
YOW
-
PHL
17h 43m
1 stop
$517Multiple Airlines
Thu, Aug 6 - Mon, Aug 10
Multiple Airlines Logo
9:16 pm - 2:33 pm
PHL
-
YOW
17h 17m
1 stop
Multiple Airlines Logo
7:00 am - 12:43 am
YOW
-
PHL
17h 43m
1 stop
$524Multiple Airlines
Thu, Aug 6 - Mon, Aug 10
Multiple Airlines Logo
3:25 pm - 11:48 pm
PHL
-
YOW
8h 23m
1 stop
Multiple Airlines Logo
7:00 am - 7:36 am
YOW
-
PHL
24h 36m
2 stops
$525Multiple Airlines
Mon, Sep 14 - Fri, Sep 18

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United Airlines flights from Philadelphia to Ottawa

Our best United Airlines deals on Philadelphia to Ottawa flight tickets
United Airlines
Sep 11
PHL7:40 pmPhiladelphia
4h 14m
1 stop
YOW11:54 pmOttawa
Sep 15
YOW10:00 amOttawa
4h 20m
1 stop
PHL2:20 pmPhiladelphia
$677
United Airlines
Aug 14
PHL10:30 amPhiladelphia
3h 47m
1 stop
YOW2:17 pmOttawa
Aug 27
YOW6:00 amOttawa
3h 43m
1 stop
PHL9:43 amPhiladelphia
$719
United Airlines
Aug 6
PHL1:31 pmPhiladelphia
8h 04m
1 stop
YOW9:35 pmOttawa
Aug 13
YOW6:00 amOttawa
15h 43m
3 stops
PHL9:43 pmPhiladelphia
$730

American Airlines flights from Philadelphia to Ottawa

Our best American Airlines deals on Philadelphia to Ottawa flight tickets
American Airlines
Aug 6
PHL8:30 amPhiladelphia
6h 25m
1 stop
YOW2:55 pmOttawa
Aug 13
YOW8:40 amOttawa
5h 34m
1 stop
PHL2:14 pmPhiladelphia
$649
American Airlines
Aug 16
PHL8:30 amPhiladelphia
6h 25m
1 stop
YOW2:55 pmOttawa
Aug 23
YOW8:40 amOttawa
5h 34m
1 stop
PHL2:14 pmPhiladelphia
$673
American Airlines
Jul 31
PHL3:26 pmPhiladelphia
5h 14m
1 stop
YOW8:40 pmOttawa
Aug 9
YOW7:00 amOttawa
25h 03m
2 stops
PHL8:03 amPhiladelphia
$687

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 12, 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
Quickest round-trip

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Mon 8/3

6:00 am-2:55 pm

1 stop8h 55m

Ottawa

Thu 8/6

6:55 am-12:15 am

2 stops17h 20m

$405

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Sun 8/23

2:29 pm-2:55 pm

1 stop24h 26m

Ottawa

Sat 8/29

7:00 am-10:33 pm

2 stops15h 33m

$424

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Thu 8/6

9:16 pm-2:33 pm

1 stop17h 17m

Ottawa

Thu 8/13

7:00 am-12:43 am

2 stops17h 43m

$445

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Sun 8/23

2:29 pm-2:55 pm

1 stop24h 26m

Ottawa

Sat 8/29

7:00 am-10:59 pm

1 stop15h 59m

$451

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Thu 8/13

9:16 pm-2:33 pm

1 stop17h 17m

Ottawa

Mon 8/17

7:00 am-7:15 am

2 stops24h 15m

$481

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Thu 8/6

9:16 pm-2:33 pm

1 stop17h 17m

Ottawa

Thu 8/13

2:10 pm-7:15 am

2 stops17h 05m

$505

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Thu 8/13

9:16 pm-2:33 pm

1 stop17h 17m

Ottawa

Thu 8/20

2:10 pm-7:15 am

2 stops17h 05m

$511

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Thu 8/6

4:30 pm-2:33 pm

2 stops22h 03m

Ottawa

Mon 8/10

7:00 am-12:43 am

1 stop17h 43m

$517

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Thu 8/6

9:16 pm-2:33 pm

1 stop17h 17m

Ottawa

Mon 8/10

7:00 am-12:43 am

1 stop17h 43m

$524

PhiladelphiaOttawa

PHL - YOW

PHLYOW

Philadelphia

Mon 9/14

3:25 pm-11:48 pm

1 stop8h 23m

Ottawa

Fri 9/18

7:00 am-7:36 am

2 stops24h 36m

$525

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

4h 14m

Direct flights

None
The fastest flight from Philadelphia to Ottawa takes 4h 14m
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 4h 14m.

  • 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
11,328 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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