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Cheap flights from Pennsylvania to Cardiff from $355

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 5/17. 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 Pennsylvania to Cardiff

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:35 pm - 10:20 pm
EWR
-
CWL
23h 45m
1 stop
Multiple Airlines Logo
10:50 pm - 9:00 pm
CWL
-
EWR
27h 10m
2 stops
$681Multiple Airlines
Thu, May 7 - Thu, May 14
Multiple Airlines Logo
9:05 pm - 10:50 pm
JFK
-
CWL
20h 45m
1 stop
Multiple Airlines Logo
10:10 pm - 10:30 pm
CWL
-
JFK
29h 20m
2 stops
$746Multiple Airlines
Mon, May 4 - Mon, May 11
Multiple Airlines Logo
11:55 pm - 10:20 pm
JFK
-
CWL
17h 25m
1 stop
Multiple Airlines Logo
10:50 pm - 10:30 pm
CWL
-
JFK
28h 40m
2 stops
$766Multiple Airlines
Thu, May 7 - Thu, May 14
Multiple Airlines Logo
11:55 pm - 10:20 pm
JFK
-
CWL
17h 25m
1 stop
Multiple Airlines Logo
10:50 pm - 10:30 pm
CWL
-
JFK
28h 40m
2 stops
$771Multiple Airlines
Thu, May 7 - Thu, May 14
Delta Logo
11:29 am - 9:15 am
LGA
-
CWL
16h 46m
2 stops
Delta Logo
9:45 am - 10:20 pm
CWL
-
LGA
17h 35m
2 stops
$1,065Delta
Thu, May 7 - Thu, May 14
Virgin Atlantic Logo
5:40 pm - 4:45 pm
IAD
-
CWL
18h 05m
1 stop
Virgin Atlantic Logo
9:45 am - 3:35 pm
CWL
-
IAD
10h 50m
1 stop
$1,077Virgin Atlantic
Tue, Apr 21 - Tue, Apr 28
KLM Logo
1:44 pm - 9:15 am
PHL
-
CWL
14h 31m
2 stops
KLM Logo
9:45 am - 12:57 am
CWL
-
PHL
20h 12m
2 stops
$1,081KLM
Thu, May 7 - Thu, May 14
KLM Logo
1:40 pm - 9:15 am
DCA
-
CWL
14h 35m
2 stops
KLM Logo
9:45 am - 8:33 pm
CWL
-
DCA
15h 48m
2 stops
$1,091KLM
Tue, Apr 21 - Tue, Apr 28
Virgin Atlantic Logo
5:40 pm - 9:15 am
IAD
-
CWL
10h 35m
1 stop
Virgin Atlantic Logo
5:15 pm - 3:35 pm
CWL
-
IAD
27h 20m
1 stop
$1,104Virgin Atlantic
Tue, May 5 - Tue, May 12
Delta Logo
10:00 am - 9:15 am
DCA
-
CWL
18h 15m
2 stops
Delta Logo
9:45 am - 10:03 pm
CWL
-
DCA
17h 18m
2 stops
$1,141Delta
Fri, May 8 - Fri, May 15

KLM flights from Pennsylvania to Cardiff

Our best KLM deals on Pennsylvania to Cardiff flight tickets
KLM
May 7
EWR3:10 pmNewark
13h 05m
2 stops
CWL9:15 amCardiff Wales
May 14
CWL9:45 amCardiff Wales
15h 12m
2 stops
EWR7:57 pmNewark
$1,048
KLM
May 8
EWR3:10 pmNewark
20h 55m
2 stops
CWL5:05 pmCardiff Wales
May 15
CWL9:45 amCardiff Wales
15h 50m
2 stops
EWR8:35 pmNewark
$1,059
KLM
May 5
EWR3:15 pmNewark
13h 00m
2 stops
CWL9:15 amCardiff Wales
May 12
CWL9:45 amCardiff Wales
15h 12m
2 stops
EWR7:57 pmNewark
$1,080

Delta flights from Pennsylvania to Cardiff

Our best Delta deals on Pennsylvania to Cardiff flight tickets
Delta
May 7
LGA11:29 amNew York LaGuardia
16h 46m
2 stops
CWL9:15 amCardiff Wales
May 14
CWL9:45 amCardiff Wales
17h 35m
2 stops
LGA10:20 pmNew York LaGuardia
$1,065
Delta
Mar 30
PHL6:54 pmPhiladelphia
33h 21m
2 stops
CWL9:15 amCardiff Wales
Apr 6
CWL9:45 amCardiff Wales
35h 48m
2 stops
PHL4:33 pmPhiladelphia
$1,107
Delta
Mar 29
PHL6:00 amPhiladelphia
22h 15m
2 stops
CWL9:15 amCardiff Wales
Apr 6
CWL9:45 amCardiff Wales
40h 38m
2 stops
PHL9:23 pmPhiladelphia
$1,108

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 March 25, 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

Thu 5/7

5:35 pm-10:20 pm

1 stop23h 45m

Cardiff Wales

Thu 5/14

10:50 pm-9:00 pm

2 stops27h 10m

$681

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Mon 5/4

9:05 pm-10:50 pm

1 stop20h 45m

Cardiff Wales

Mon 5/11

10:10 pm-10:30 pm

2 stops29h 20m

$746

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Thu 5/7

11:55 pm-10:20 pm

1 stop17h 25m

Cardiff Wales

Thu 5/14

10:50 pm-10:30 pm

2 stops28h 40m

$766

New YorkCardiff

JFK - CWL

JFKCWL

New York John F Kennedy Intl

Thu 5/7

11:55 pm-10:20 pm

1 stop17h 25m

Cardiff Wales

Thu 5/14

10:50 pm-10:30 pm

2 stops28h 40m

$771

New YorkCardiff

LGA - CWL

LGACWL

New York LaGuardia

Thu 5/7

11:29 am-9:15 am

2 stops16h 46m

Cardiff Wales

Thu 5/14

9:45 am-10:20 pm

2 stops17h 35m

$1,065
Quickest round-trip

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 4/21

5:40 pm-4:45 pm

1 stop18h 05m

Cardiff Wales

Tue 4/28

9:45 am-3:35 pm

1 stop10h 50m

$1,077

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Thu 5/7

1:44 pm-9:15 am

2 stops14h 31m

Cardiff Wales

Thu 5/14

9:45 am-12:57 am

2 stops20h 12m

$1,081

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Tue 4/21

1:40 pm-9:15 am

2 stops14h 35m

Cardiff Wales

Tue 4/28

9:45 am-8:33 pm

2 stops15h 48m

$1,091

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 5/5

5:40 pm-9:15 am

1 stop10h 35m

Cardiff Wales

Tue 5/12

5:15 pm-3:35 pm

1 stop27h 20m

$1,104

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Fri 5/8

10:00 am-9:15 am

2 stops18h 15m

Cardiff Wales

Fri 5/15

9:45 am-10:03 pm

2 stops17h 18m

$1,141

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?

Delta is the most popular carrier 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

9h 00m

Direct flights

None
The fastest flight from Pennsylvania to Cardiff takes 9h 00m
There are no direct flights from Pennsylvania to Cardiff. There are no popular flight routes from Pennsylvania to Cardiff.
Search flight deals

  • 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