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Cheap flights from Maryland to Cardiff from $344

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maryland to Cardiff departing on 9/2. 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 Maryland to Cardiff

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 11:05 pm
DCA
-
CWL
36h 05m
3 stops
Multiple Airlines Logo
11:15 pm - 10:28 pm
CWL
-
DCA
28h 13m
3 stops
$877Multiple Airlines
Tue, May 19 - Tue, May 26
Multiple Airlines Logo
3:45 pm - 11:05 pm
IAD
-
CWL
26h 20m
3 stops
Multiple Airlines Logo
11:15 pm - 8:29 pm
CWL
-
IAD
26h 14m
3 stops
$976Multiple Airlines
Tue, May 19 - Tue, May 26
Multiple Airlines Logo
12:39 pm - 11:05 pm
IAD
-
CWL
29h 26m
2 stops
Multiple Airlines Logo
11:15 pm - 8:29 pm
CWL
-
IAD
26h 14m
3 stops
$993Multiple Airlines
Tue, May 19 - Tue, May 26
Multiple Airlines Logo
8:55 pm - 10:50 pm
IAD
-
CWL
20h 55m
1 stop
Multiple Airlines Logo
10:10 pm - 3:21 pm
CWL
-
IAD
46h 11m
2 stops
$1,019Multiple Airlines
Mon, May 18 - Mon, May 25
KLM Logo
6:10 pm - 9:15 am
IAD
-
CWL
10h 05m
1 stop
KLM Logo
5:15 pm - 3:35 pm
CWL
-
IAD
27h 20m
1 stop
$1,124KLM
Mon, May 4 - Mon, May 11
KLM Logo
12:45 pm - 9:15 am
IAD
-
CWL
15h 30m
2 stops
KLM Logo
5:15 pm - 3:35 pm
CWL
-
IAD
27h 20m
1 stop
$1,129KLM
Mon, May 4 - Mon, May 11
Delta Logo
12:45 pm - 9:15 am
IAD
-
CWL
15h 30m
2 stops
Delta Logo
9:45 am - 9:24 pm
CWL
-
IAD
16h 39m
2 stops
$1,138Delta
Wed, May 6 - Wed, May 13
Delta Logo
5:45 am - 9:15 am
PHL
-
CWL
22h 30m
2 stops
Delta Logo
9:45 am - 10:09 pm
CWL
-
PHL
17h 24m
2 stops
$1,250Delta
Wed, May 20 - Wed, May 27
Aer Lingus Logo
9:30 pm - 11:30 am
BWI
-
CWL
33h 00m
2 stops
Aer Lingus Logo
12:00 pm - 7:40 pm
CWL
-
BWI
36h 40m
2 stops
$1,541Aer Lingus
Mon, May 18 - Mon, May 25
Aer Lingus Logo
9:30 pm - 11:30 am
BWI
-
CWL
33h 00m
2 stops
Aer Lingus Logo
12:00 pm - 7:40 pm
CWL
-
BWI
36h 40m
2 stops
$1,559Aer Lingus
Mon, May 18 - Mon, May 25

Scandinavian Airlines flights from Maryland to Cardiff

Our best Scandinavian Airlines deals on Maryland to Cardiff flight tickets
Scandinavian Airlines
Jun 1
IAD6:10 pmWashington, D.C. Dulles Intl
17h 35m
1 stop
CWL4:45 pmCardiff Wales
Jun 13
CWL9:45 amCardiff Wales
10h 50m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$1,455
Scandinavian Airlines
Jun 2
IAD5:40 pmWashington, D.C. Dulles Intl
10h 35m
1 stop
CWL9:15 amCardiff Wales
Jun 9
CWL9:45 amCardiff Wales
10h 50m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$1,587

Aer Lingus flights from Maryland to Cardiff

Our best Aer Lingus deals on Maryland to Cardiff flight tickets
Aer Lingus
May 18
BWI9:30 pmBaltimore/Washington
33h 00m
2 stops
CWL11:30 amCardiff Wales
May 25
CWL12:00 pmCardiff Wales
36h 40m
2 stops
BWI7:40 pmBaltimore/Washington
$1,541
Aer Lingus
May 18
BWI9:30 pmBaltimore/Washington
33h 00m
2 stops
CWL11:30 amCardiff Wales
May 25
CWL12:00 pmCardiff Wales
36h 40m
2 stops
BWI7:40 pmBaltimore/Washington
$1,559
Aer Lingus
Jun 2
IAD10:25 pmWashington, D.C. Dulles Intl
32h 05m
2 stops
CWL11:30 amCardiff Wales
Jun 9
CWL12:00 pmCardiff Wales
37h 20m
2 stops
IAD8:20 pmWashington, D.C. Dulles Intl
$1,635

momondo Fare Finder

 
Customize your flight search to find flights from Maryland 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 April 7, 2026.
Use the filters below to find and compare flights from Maryland to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Tue 5/19

6:00 am-11:05 pm

3 stops36h 05m

Cardiff Wales

Tue 5/26

11:15 pm-10:28 pm

3 stops28h 13m

$877

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 5/19

3:45 pm-11:05 pm

3 stops26h 20m

Cardiff Wales

Tue 5/26

11:15 pm-8:29 pm

3 stops26h 14m

$976

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Tue 5/19

12:39 pm-11:05 pm

2 stops29h 26m

Cardiff Wales

Tue 5/26

11:15 pm-8:29 pm

3 stops26h 14m

$993

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Mon 5/18

8:55 pm-10:50 pm

1 stop20h 55m

Cardiff Wales

Mon 5/25

10:10 pm-3:21 pm

2 stops46h 11m

$1,019

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Mon 5/4

6:10 pm-9:15 am

1 stop10h 05m

Cardiff Wales

Mon 5/11

5:15 pm-3:35 pm

1 stop27h 20m

$1,124

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Mon 5/4

12:45 pm-9:15 am

2 stops15h 30m

Cardiff Wales

Mon 5/11

5:15 pm-3:35 pm

1 stop27h 20m

$1,129
Quickest round-trip

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Wed 5/6

12:45 pm-9:15 am

2 stops15h 30m

Cardiff Wales

Wed 5/13

9:45 am-9:24 pm

2 stops16h 39m

$1,138

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Wed 5/20

5:45 am-9:15 am

2 stops22h 30m

Cardiff Wales

Wed 5/27

9:45 am-10:09 pm

2 stops17h 24m

$1,250

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Mon 5/18

9:30 pm-11:30 am

2 stops33h 00m

Cardiff Wales

Mon 5/25

12:00 pm-7:40 pm

2 stops36h 40m

$1,541

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Mon 5/18

9:30 pm-11:30 am

2 stops33h 00m

Cardiff Wales

Mon 5/25

12:00 pm-7:40 pm

2 stops36h 40m

$1,559

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 Maryland 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 Maryland to Cardiff Wales?

KLM, Delta, and Aer Lingus are the most popular carriers operating from Maryland to Cardiff Wales

Cheap Maryland to Cardiff flight deals and tips

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

Fastest flight time

10h 35m

Direct flights

None
The fastest flight from Maryland to Cardiff takes 10h 35m
There are no direct flights from Maryland to Cardiff. There are no popular flight routes from Maryland to Cardiff.
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Frequently asked questions about flying from Maryland to Cardiff

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

    Prices for flights from Maryland to Cardiff Wales Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Maryland 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 Maryland 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 Maryland to Cardiff?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Maryland to Cardiff for you.

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

Yes. All flights to Cardiff from Maryland on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Maryland 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 Maryland to Cardiff right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Maryland 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