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Cheap flights from Philadelphia to Cardiff from $770

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 Cardiff departing on 6/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Philadelphia to Cardiff

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:20 pm - 10:15 am
PHL
-
CWL
12h 55m
1 stop
Multiple Airlines Logo
11:35 am - 9:34 pm
CWL
-
PHL
14h 59m
2 stops
$994Multiple Airlines
Mon, Jun 15 - Thu, Jun 18
Multiple Airlines Logo
4:20 pm - 10:15 am
PHL
-
CWL
12h 55m
1 stop
Multiple Airlines Logo
11:35 am - 10:44 pm
CWL
-
PHL
16h 09m
1 stop
$1,000Multiple Airlines
Mon, Jun 15 - Thu, Jun 18
Multiple Airlines Logo
4:20 pm - 10:15 am
PHL
-
CWL
12h 55m
1 stop
Multiple Airlines Logo
11:35 am - 10:44 pm
CWL
-
PHL
16h 09m
1 stop
$1,009Multiple Airlines
Mon, Jun 15 - Thu, Jun 18
Multiple Airlines Logo
10:05 am - 10:15 am
PHL
-
CWL
19h 10m
2 stops
Multiple Airlines Logo
11:15 pm - 10:44 pm
CWL
-
PHL
28h 29m
3 stops
$1,011Multiple Airlines
Sun, Jun 14 - Wed, Jun 17
KLM Logo
1:15 pm - 9:15 am
PHL
-
CWL
15h 00m
2 stops
KLM Logo
5:15 pm - 4:42 pm
CWL
-
PHL
28h 27m
2 stops
$1,014KLM
Tue, Sep 1 - Mon, Sep 14
Delta Logo
6:00 am - 9:15 am
PHL
-
CWL
22h 15m
2 stops
Delta Logo
9:45 am - 1:01 am
CWL
-
PHL
20h 16m
2 stops
$1,015Delta
Tue, Sep 1 - Wed, Sep 9
Multiple Airlines Logo
4:20 pm - 10:15 am
PHL
-
CWL
12h 55m
1 stop
Multiple Airlines Logo
11:35 am - 9:34 pm
CWL
-
PHL
14h 59m
2 stops
$1,018Multiple Airlines
Mon, Jun 15 - Thu, Jun 18
Multiple Airlines Logo
8:25 pm - 9:45 pm
PHL
-
CWL
20h 20m
1 stop
Multiple Airlines Logo
9:45 pm - 6:55 pm
CWL
-
PHL
26h 10m
1 stop
$1,021Multiple Airlines
Sun, Sep 13 - Sun, Sep 20
Multiple Airlines Logo
1:53 pm - 10:15 am
PHL
-
CWL
15h 22m
1 stop
Multiple Airlines Logo
11:15 pm - 10:44 pm
CWL
-
PHL
28h 29m
3 stops
$1,022Multiple Airlines
Sun, Jun 14 - Wed, Jun 17
Multiple Airlines Logo
11:39 am - 9:15 am
PHL
-
CWL
16h 36m
2 stops
Multiple Airlines Logo
9:45 am - 1:19 am
CWL
-
PHL
20h 34m
2 stops
$1,045Multiple Airlines
Wed, Aug 5 - Fri, Aug 14

KLM flights from Philadelphia to Cardiff

Our best KLM deals on Philadelphia to Cardiff flight tickets
KLM
Sep 1
PHL5:20 pmPhiladelphia
18h 25m
2 stops
CWL4:45 pmCardiff Wales
Sep 14
CWL5:15 pmCardiff Wales
28h 27m
2 stops
PHL4:42 pmPhiladelphia
$1,011
KLM
Sep 1
PHL1:15 pmPhiladelphia
15h 00m
2 stops
CWL9:15 amCardiff Wales
Sep 9
CWL9:45 amCardiff Wales
20h 16m
2 stops
PHL1:01 amPhiladelphia
$1,014
KLM
Jul 22
PHL1:10 pmPhiladelphia
15h 05m
2 stops
CWL9:15 amCardiff Wales
Jul 27
CWL5:15 pmCardiff Wales
28h 38m
2 stops
PHL4:53 pmPhiladelphia
$1,110

Delta flights from Philadelphia to Cardiff

Our best Delta deals on Philadelphia to Cardiff flight tickets
Delta
Sep 1
PHL6:00 amPhiladelphia
22h 15m
2 stops
CWL9:15 amCardiff Wales
Sep 9
CWL9:45 amCardiff Wales
20h 16m
2 stops
PHL1:01 amPhiladelphia
$1,015
Delta
Sep 1
PHL9:30 amPhiladelphia
18h 45m
2 stops
CWL9:15 amCardiff Wales
Sep 14
CWL9:45 amCardiff Wales
20h 11m
2 stops
PHL12:56 amPhiladelphia
$1,065
Delta
Aug 28
PHL1:15 pmPhiladelphia
22h 50m
2 stops
CWL5:05 pmCardiff Wales
Sep 6
CWL9:50 amCardiff Wales
18h 36m
2 stops
PHL11:26 pmPhiladelphia
$1,155

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Cardiff 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 June 5, 2026.
Use the filters below to find and compare flights from Philadelphia to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Mon 6/15

4:20 pm-10:15 am

1 stop12h 55m

Cardiff Wales

Thu 6/18

11:35 am-9:34 pm

2 stops14h 59m

$994

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Mon 6/15

4:20 pm-10:15 am

1 stop12h 55m

Cardiff Wales

Thu 6/18

11:35 am-10:44 pm

1 stop16h 09m

$1,000

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Mon 6/15

4:20 pm-10:15 am

1 stop12h 55m

Cardiff Wales

Thu 6/18

11:35 am-10:44 pm

1 stop16h 09m

$1,009

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Sun 6/14

10:05 am-10:15 am

2 stops19h 10m

Cardiff Wales

Wed 6/17

11:15 pm-10:44 pm

3 stops28h 29m

$1,011

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Tue 9/1

1:15 pm-9:15 am

2 stops15h 00m

Cardiff Wales

Mon 9/14

5:15 pm-4:42 pm

2 stops28h 27m

$1,014

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Tue 9/1

6:00 am-9:15 am

2 stops22h 15m

Cardiff Wales

Wed 9/9

9:45 am-1:01 am

2 stops20h 16m

$1,015

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Mon 6/15

4:20 pm-10:15 am

1 stop12h 55m

Cardiff Wales

Thu 6/18

11:35 am-9:34 pm

2 stops14h 59m

$1,018

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Sun 9/13

8:25 pm-9:45 pm

1 stop20h 20m

Cardiff Wales

Sun 9/20

9:45 pm-6:55 pm

1 stop26h 10m

$1,021

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Sun 6/14

1:53 pm-10:15 am

1 stop15h 22m

Cardiff Wales

Wed 6/17

11:15 pm-10:44 pm

3 stops28h 29m

$1,022

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Wed 8/5

11:39 am-9:15 am

2 stops16h 36m

Cardiff Wales

Fri 8/14

9:45 am-1:19 am

2 stops20h 34m

$1,045

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to Cardiff from

How to get the cheapest flight ticket from Philadelphia to Cardiff

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 airline that flies from Philadelphia to Cardiff Wales?

KLM is the most popular carrier operating from Philadelphia to Cardiff Wales

When to book flights from Philadelphia to Cardiff

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

Cheap Philadelphia to Cardiff (PHL to CWL) flight deals and tips

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

Fastest flight time

15h 00m

Direct flights

None
The fastest flight from Philadelphia to Cardiff takes 15h 00m
There are no direct flights from Philadelphia to Cardiff. There are no popular flight routes from Philadelphia to Cardiff.
Search flight deals

Frequently asked questions about flying from Philadelphia to Cardiff

  • How far is Philadelphia to Cardiff Wales by plane?

    The straight-line distance from Philadelphia to Cardiff Wales is 3414.0 mi. In terms of flight time, this usually takes a little over 15h 00m.

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

    Prices for flights from Philadelphia Airport to Cardiff Wales Airport refresh daily.

  • How old do you have to be to fly from Philadelphia Airport to Cardiff Wales 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 Cardiff Wales Airport.

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

    The travel and health documents you'll need for your trip to Cardiff Wales Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cardiff Wales Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

Finding the right flight to Cardiff from Philadelphia is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Cardiff quick and easy, saving you time and money.

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

Flights from Philadelphia to Cardiff with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Cardiff from Philadelphia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Cardiff from Philadelphia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Cardiff trip

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Aer Lingus