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Cheap flights from Pennsylvania to Cardiff from $322

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Cardiff departing on 7/5. 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
0 bags

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Find the cheapest flights from Pennsylvania to Cardiff

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 10:15 am
EWR
-
CWL
23h 15m
2 stops
Multiple Airlines Logo
11:15 pm - 7:05 pm
CWL
-
EWR
24h 50m
3 stops
$699Multiple Airlines
Wed, Jun 10 - Tue, Jun 16
Multiple Airlines Logo
9:00 am - 10:15 am
EWR
-
CWL
20h 15m
1 stop
Multiple Airlines Logo
11:15 pm - 7:05 pm
CWL
-
EWR
24h 50m
3 stops
$701Multiple Airlines
Wed, Jun 10 - Tue, Jun 16
Multiple Airlines Logo
11:35 am - 10:15 am
LGA
-
CWL
17h 40m
1 stop
Multiple Airlines Logo
11:15 pm - 7:25 pm
CWL
-
LGA
25h 10m
3 stops
$733Multiple Airlines
Wed, Jun 10 - Tue, Jun 16
Multiple Airlines Logo
11:55 pm - 10:25 pm
JFK
-
CWL
17h 30m
1 stop
Multiple Airlines Logo
7:30 am - 1:40 pm
CWL
-
JFK
11h 10m
1 stop
$781Multiple Airlines
Wed, Aug 19 - Sat, Aug 29
Multiple Airlines Logo
11:55 pm - 10:20 pm
JFK
-
CWL
17h 25m
1 stop
Multiple Airlines Logo
7:30 am - 1:40 pm
CWL
-
JFK
11h 10m
1 stop
$782Multiple Airlines
Thu, Aug 20 - Sat, Aug 29
Multiple Airlines Logo
11:55 pm - 10:20 pm
JFK
-
CWL
17h 25m
1 stop
Multiple Airlines Logo
7:30 am - 1:40 pm
CWL
-
JFK
11h 10m
1 stop
$783Multiple Airlines
Thu, Aug 20 - Sat, Aug 29
Multiple Airlines Logo
4:55 pm - 10:50 pm
JFK
-
CWL
24h 55m
1 stop
Multiple Airlines Logo
10:25 pm - 3:55 pm
CWL
-
JFK
22h 30m
2 stops
$807Multiple Airlines
Mon, Aug 24 - Mon, Aug 31
Multiple Airlines Logo
8:30 pm - 9:45 pm
JFK
-
CWL
20h 15m
2 stops
Multiple Airlines Logo
10:10 pm - 10:05 pm
CWL
-
JFK
28h 55m
3 stops
$816Multiple Airlines
Sun, Sep 20 - Mon, Sep 28
KLM Logo
7:59 pm - 4:45 pm
PHL
-
CWL
15h 46m
2 stops
KLM Logo
5:15 pm - 4:15 pm
CWL
-
PHL
28h 00m
2 stops
$1,014KLM
Tue, Sep 1 - Wed, Sep 9
KLM Logo
7:59 pm - 4:45 pm
PHL
-
CWL
15h 46m
2 stops
KLM Logo
5:15 pm - 5:14 pm
CWL
-
PHL
28h 59m
2 stops
$1,015KLM
Tue, Sep 1 - Wed, Sep 9

KLM flights from Pennsylvania to Cardiff

Our best KLM deals on Pennsylvania to Cardiff flight tickets
KLM
Sep 1
PHL7:59 pmPhiladelphia
15h 46m
2 stops
CWL4:45 pmCardiff Wales
Sep 9
CWL5:15 pmCardiff Wales
28h 00m
2 stops
PHL4:15 pmPhiladelphia
$1,014
KLM
Sep 1
PHL7:59 pmPhiladelphia
15h 46m
2 stops
CWL4:45 pmCardiff Wales
Sep 9
CWL5:15 pmCardiff Wales
28h 59m
2 stops
PHL5:14 pmPhiladelphia
$1,015
KLM
Sep 1
PHL7:59 pmPhiladelphia
15h 46m
2 stops
CWL4:45 pmCardiff Wales
Sep 14
CWL9:45 amCardiff Wales
17h 52m
2 stops
PHL10:37 pmPhiladelphia
$1,065

Delta flights from Pennsylvania to Cardiff

Our best Delta deals on Pennsylvania to Cardiff flight tickets
Delta
Aug 24
LGA4:00 pmNew York LaGuardia
12h 15m
2 stops
CWL9:15 amCardiff Wales
Sep 2
CWL9:45 amCardiff Wales
16h 42m
2 stops
LGA9:27 pmNew York LaGuardia
$1,057
Delta
Aug 18
EWR12:00 pmNewark
16h 15m
2 stops
CWL9:15 amCardiff Wales
Sep 1
CWL9:45 amCardiff Wales
19h 20m
2 stops
EWR12:05 amNewark
$1,068
Delta
Sep 14
IAD6:10 pmWashington, D.C. Dulles Intl
10h 05m
1 stop
CWL9:15 amCardiff Wales
Sep 24
CWL9:45 amCardiff Wales
10h 50m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$1,116

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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 May 13, 2026.
Use the filters below to find and compare flights from Pennsylvania to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Wed 6/10

6:00 am-10:15 am

2 stops23h 15m

Cardiff Wales

Tue 6/16

11:15 pm-7:05 pm

3 stops24h 50m

$699

NewarkCardiff

EWR - CWL

EWRCWL

Newark

Wed 6/10

9:00 am-10:15 am

1 stop20h 15m

Cardiff Wales

Tue 6/16

11:15 pm-7:05 pm

3 stops24h 50m

$701

New YorkCardiff

LGA - CWL

LGACWL

New York LaGuardia

Wed 6/10

11:35 am-10:15 am

1 stop17h 40m

Cardiff Wales

Tue 6/16

11:15 pm-7:25 pm

3 stops25h 10m

$733

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Wed 8/19

11:55 pm-10:25 pm

1 stop17h 30m

Cardiff Wales

Sat 8/29

7:30 am-1:40 pm

1 stop11h 10m

$781
Quickest round-trip

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Thu 8/20

11:55 pm-10:20 pm

1 stop17h 25m

Cardiff Wales

Sat 8/29

7:30 am-1:40 pm

1 stop11h 10m

$782

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Thu 8/20

11:55 pm-10:20 pm

1 stop17h 25m

Cardiff Wales

Sat 8/29

7:30 am-1:40 pm

1 stop11h 10m

$783

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Mon 8/24

4:55 pm-10:50 pm

1 stop24h 55m

Cardiff Wales

Mon 8/31

10:25 pm-3:55 pm

2 stops22h 30m

$807

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Sun 9/20

8:30 pm-9:45 pm

2 stops20h 15m

Cardiff Wales

Mon 9/28

10:10 pm-10:05 pm

3 stops28h 55m

$816

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Tue 9/1

7:59 pm-4:45 pm

2 stops15h 46m

Cardiff Wales

Wed 9/9

5:15 pm-4:15 pm

2 stops28h 00m

$1,014

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Tue 9/1

7:59 pm-4:45 pm

2 stops15h 46m

Cardiff Wales

Wed 9/9

5:15 pm-5:14 pm

2 stops28h 59m

$1,015

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 Cardiff from

How to get the cheapest flight ticket from Pennsylvania 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 Pennsylvania to Cardiff Wales?

WestJet and KLM are the most popular carriers operating from Pennsylvania to Cardiff Wales

Cheap Pennsylvania to Cardiff flight deals and tips

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

Fastest flight time

10h 05m

Direct flights

None
The fastest flight from Pennsylvania to Cardiff takes 10h 05m
There are no direct flights from Pennsylvania to Cardiff. There are no popular flight routes from Pennsylvania to Cardiff.
Search flight deals

Frequently asked questions about flying from Pennsylvania to Cardiff

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

    Prices for flights from Pennsylvania to Cardiff Wales Airport are updated daily.

  • How old do you have to be to fly from Pennsylvania to Cardiff Wales Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Pennsylvania to Cardiff Wales Airport.

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

    The required travel and health documents for your Cardiff Wales Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cardiff Wales Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Pennsylvania to Cardiff. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Pennsylvania 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 Pennsylvania to Cardiff?

Once all potential Pennsylvania to Cardiff flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Pennsylvania to Cardiff flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cabin classes currently available on flights to Cardiff

List of cabin classes available on flights landing in Cardiff. Availability may vary depending on flight origin and airline.
First Class to Cardiff
Business Class to Cardiff