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Cheap flights from Portland to Philadelphia from $66

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Philadelphia departing on 5/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Portland to Philadelphia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
11:58 am - 5:31 am
PDX
-
PHL
14h 33m
1 stop
Frontier Logo
6:10 am - 11:50 am
PHL
-
PDX
32h 40m
2 stops
$316Frontier
Fri, Apr 3 - Wed, Apr 8
Multiple Airlines Logo
11:48 am - 5:34 am
PDX
-
PHL
14h 46m
1 stop
Multiple Airlines Logo
8:00 am - 5:19 pm
PHL
-
PDX
12h 19m
1 stop
$317Multiple Airlines
Thu, Apr 23 - Sun, Apr 26
Frontier Logo
11:48 am - 5:34 am
PDX
-
PHL
14h 46m
1 stop
Frontier Logo
8:25 pm - 11:03 am
PHL
-
PDX
17h 38m
1 stop
$318Frontier
Thu, Apr 23 - Sun, Apr 26
Southwest Logo
6:00 am - 5:30 pm
PDX
-
PHL
8h 30m
2 stops
Southwest Logo
7:05 pm - 12:45 am
PHL
-
PDX
8h 40m
1 stop
$320Southwest
Sat, Mar 7 - Mon, Mar 16
United Airlines Logo
7:00 am - 5:14 pm
PDX
-
PHL
7h 14m
1 stop
United Airlines Logo
12:15 pm - 9:10 pm
PHL
-
PDX
11h 55m
2 stops
$322United Airlines
Sat, Mar 7 - Mon, Mar 9
United Airlines Logo
11:10 pm - 9:47 am
PDX
-
PHL
7h 37m
1 stop
United Airlines Logo
6:20 pm - 12:35 am
PHL
-
PDX
9h 15m
1 stop
$323United Airlines
Wed, Mar 11 - Fri, Mar 13
Frontier Logo
11:48 am - 5:34 am
PDX
-
PHL
14h 46m
1 stop
Frontier Logo
8:25 pm - 11:03 am
PHL
-
PDX
17h 38m
1 stop
$324Frontier
Sun, May 10 - Thu, May 14
Southwest Logo
11:15 am - 11:55 pm
PDX
-
PHL
9h 40m
2 stops
Southwest Logo
12:25 pm - 10:00 pm
PHL
-
PDX
12h 35m
2 stops
$325Southwest
Tue, Apr 21 - Sat, Apr 25
Alaska Airlines Logo
9:39 am - 5:40 am
PDX
-
PHL
17h 01m
1 stop
Alaska Airlines Logo
5:15 pm - 7:58 pm
PHL
-
PDX
5h 43mnonstop
$327Alaska Airlines
Thu, May 28 - Tue, Jun 2
Southwest Logo
5:30 am - 6:05 pm
PDX
-
PHL
9h 35m
2 stops
Southwest Logo
2:00 pm - 10:00 pm
PHL
-
PDX
11h 00m
2 stops
$328Southwest
Tue, Apr 14 - Tue, Apr 21

Frontier flights from Portland to Philadelphia

Our best Frontier deals on Portland to Philadelphia flight tickets
Frontier
Apr 3
PDX11:58 amPortland
14h 33m
1 stop
PHL5:31 amPhiladelphia
Apr 8
PHL6:10 amPhiladelphia
32h 40m
2 stops
PDX11:50 amPortland
$316
Frontier
Apr 23
PDX11:48 amPortland
14h 46m
1 stop
PHL5:34 amPhiladelphia
Apr 26
PHL8:25 pmPhiladelphia
17h 38m
1 stop
PDX11:03 amPortland
$318
Frontier
May 10
PDX11:48 amPortland
14h 46m
1 stop
PHL5:34 amPhiladelphia
May 14
PHL8:25 pmPhiladelphia
17h 38m
1 stop
PDX11:03 amPortland
$324

Southwest flights from Portland to Philadelphia

Our best Southwest deals on Portland to Philadelphia flight tickets
Southwest
Mar 7
PDX6:00 amPortland
8h 30m
2 stops
PHL5:30 pmPhiladelphia
Mar 16
PHL7:05 pmPhiladelphia
8h 40m
1 stop
PDX12:45 amPortland
$320
Southwest
Apr 21
PDX11:15 amPortland
9h 40m
2 stops
PHL11:55 pmPhiladelphia
Apr 25
PHL12:25 pmPhiladelphia
12h 35m
2 stops
PDX10:00 pmPortland
$325
Southwest
Apr 14
PDX5:30 amPortland
9h 35m
2 stops
PHL6:05 pmPhiladelphia
Apr 21
PHL2:00 pmPhiladelphia
11h 00m
2 stops
PDX10:00 pmPortland
$328

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Philadelphia 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 February 9, 2026.
Use the filters below to find and compare flights from Portland to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

Fri 4/3

11:58 am-5:31 am

1 stop14h 33m

Philadelphia

Wed 4/8

6:10 am-11:50 am

2 stops32h 40m

$316

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

Thu 4/23

11:48 am-5:34 am

1 stop14h 46m

Philadelphia

Sun 4/26

8:00 am-5:19 pm

1 stop12h 19m

$317

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

Thu 4/23

11:48 am-5:34 am

1 stop14h 46m

Philadelphia

Sun 4/26

8:25 pm-11:03 am

1 stop17h 38m

$318

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

Sat 3/7

6:00 am-5:30 pm

2 stops8h 30m

Philadelphia

Mon 3/16

7:05 pm-12:45 am

1 stop8h 40m

$320

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

Sat 3/7

7:00 am-5:14 pm

1 stop7h 14m

Philadelphia

Mon 3/9

12:15 pm-9:10 pm

2 stops11h 55m

$322

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

Wed 3/11

11:10 pm-9:47 am

1 stop7h 37m

Philadelphia

Fri 3/13

6:20 pm-12:35 am

1 stop9h 15m

$323

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

Sun 5/10

11:48 am-5:34 am

1 stop14h 46m

Philadelphia

Thu 5/14

8:25 pm-11:03 am

1 stop17h 38m

$324

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

Tue 4/21

11:15 am-11:55 pm

2 stops9h 40m

Philadelphia

Sat 4/25

12:25 pm-10:00 pm

2 stops12h 35m

$325

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

Thu 5/28

9:39 am-5:40 am

1 stop17h 01m

Philadelphia

Tue 6/2

5:15 pm-7:58 pm

Nonstop5h 43m

$327

PortlandPhiladelphia

PDX - PHL

PDXPHL

Portland

Tue 4/14

5:30 am-6:05 pm

2 stops9h 35m

Philadelphia

Tue 4/21

2:00 pm-10:00 pm

2 stops11h 00m

$328

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Philadelphia from

How to get the cheapest flight ticket from Portland to Philadelphia

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 Philadelphia?

The cheapest month to fly to Philadelphia from Portland is in September. Flight prices, which tend to average around $400, are often lower during this time because this is during the off-season. The month of October is another great option to travel to Philadelphia, with average flight prices from Portland averaging around $416.

What is the cheapest day to depart on your flight to Philadelphia?

The cheapest day to depart from Portland to Philadelphia is on a Tuesday. Travelers who choose to depart for Philadelphia on a Tuesday will often find tickets for as low as $390. On the other hand, Saturday is the most expensive day to depart from Portland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $500.

What is the cheapest time of day to depart on your flight to Philadelphia?

According to our data, the cheapest time of day to fly to Philadelphia is in the evening. momondo users have found flights departing from Portland to Philadelphia in the evening for as low as $458. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is in the morning when prices are around $592.

What is the cheapest Portland to Philadelphia flight route?

Fly from Portland to Philadelphia for the best Portland - Philadelphia flight prices

How far in advance should I book a flight to Philadelphia?

You are more likely to see cheaper flights to Philadelphia from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $454 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Portland for as low as $385 on momondo.

What cabin class options are available on Portland to Philadelphia flights?

There are 3 cabin classes available to choose from on Portland to Philadelphia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Portland to Philadelphia flight prices changed over time?

As of February 2026, prices for Portland to Philadelphia flights are approximately 52% more expensive when compared to flights at the same time last year.

When to book flights from Portland to Philadelphia

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

Cheap Portland to Philadelphia (PDX to PHL) flight deals and tips

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

Best Price Found

$218

Fastest flight time

5h 06m

Direct flights

Every day

Airports in Philadelphia

1 airport
The best one-way flight to Philadelphia from Portland in the past 72 hours is $218. The best round-trip flight deal from Portland to Philadelphia found on momondo in the last 72 hours is $387.
The fastest flight from Portland to Philadelphia takes 5h 06m
Direct flights go from Portland to Philadelphia every day.
There is 1 airport in Philadelphia. From Portland there are direct flights to Philadelphia (PHL).
Search flight deals

  • How far is Portland to Philadelphia by plane?

    Portland and Philadelphia are 2404.5 mi apart from one another. A reasonable flight in good conditions will take 5h 06m.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Philadelphia Airport.

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

    The travel and health documents required for your trip to Philadelphia Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Philadelphia Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Portland to Philadelphia?

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

Best airlines flying from Portland to Philadelphia

Compare and see reviews for airlines that fly from Portland to Philadelphia with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $141Free CancellationRating
6.3
8,430 reviews
Search Spirit Airlines flights
FrontierPriceFrom $161Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
DeltaPriceFrom $210Free CancellationRating
7.9
8,174 reviews
Search Delta flights
Alaska AirlinesPriceFrom $237Free CancellationRating
8.0
11,865 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
9,259 reviews
Search United Airlines flights
SouthwestPriceFrom $311Free CancellationRating
8.0
4,281 reviews
Search Southwest flights
American AirlinesPriceFrom $340Free CancellationRating
7.2
11,255 reviews
Search American Airlines flights

Traveling to a place near Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
Cape May
Rehoboth Beach
Wildwood Crest
Ocean City
King of Prussia
Cherry Hill
Newark
Dewey Beach
Reading
North Wildwood
Avalon
Dover
Lewes
Stone Harbor
Essington
Vineland
New Castle
Elkton
Pottstown

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Portland to Philadelphia. momondo saves you time and could save you money on your trip.

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

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

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

momondo helps you find the best flight between Portland and Philadelphia 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 Portland to Philadelphia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Philadelphia, momondo offers a useful price alert feature which will track prices for flights to Philadelphia from Portland and alert you when they change.

An easier way to manage your Philadelphia trip

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