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Cheap flights from Maryland to Cardiff from $345

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 6/23. 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 Maryland to Cardiff

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 10:15 am
DCA
-
CWL
23h 15m
2 stops
Multiple Airlines Logo
11:35 am - 9:48 pm
CWL
-
DCA
15h 13m
2 stops
$738Multiple Airlines
Fri, Jul 17 - Tue, Jul 21
Multiple Airlines Logo
4:20 pm - 10:15 am
IAD
-
CWL
12h 55m
1 stop
Multiple Airlines Logo
11:35 am - 8:24 pm
CWL
-
IAD
13h 49m
1 stop
$743Multiple Airlines
Mon, Jul 6 - Mon, Jul 13
Multiple Airlines Logo
6:00 am - 10:15 am
DCA
-
CWL
23h 15m
2 stops
Multiple Airlines Logo
11:35 am - 10:31 pm
CWL
-
DCA
15h 56m
1 stop
$753Multiple Airlines
Fri, Jul 17 - Tue, Jul 21
Multiple Airlines Logo
3:50 pm - 10:15 am
IAD
-
CWL
13h 25m
1 stop
Multiple Airlines Logo
11:35 am - 3:10 pm
CWL
-
IAD
32h 35m
1 stop
$758Multiple Airlines
Sun, Jul 12 - Tue, Jul 14
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
$1,010KLM
Tue, Sep 1 - Wed, Sep 9
KLM Logo
6:27 pm - 4:45 pm
PHL
-
CWL
17h 18m
2 stops
KLM Logo
9:45 am - 10:37 pm
CWL
-
PHL
17h 52m
2 stops
$1,011KLM
Tue, Sep 1 - Wed, Sep 9
Delta Logo
6:10 pm - 4:45 pm
BWI
-
CWL
17h 35m
2 stops
Delta Logo
9:45 am - 10:13 pm
CWL
-
BWI
17h 28m
2 stops
$1,158Delta
Mon, Aug 31 - Wed, Sep 9
Delta Logo
6:10 am - 9:50 am
BWI
-
CWL
22h 40m
2 stops
Delta Logo
10:20 am - 11:46 pm
CWL
-
BWI
18h 26m
2 stops
$1,176Delta
Sun, Nov 15 - Sun, Nov 22
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
$1,371Aer Lingus
Mon, Aug 31 - Wed, Sep 9
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
$1,384Aer Lingus
Mon, Aug 31 - Wed, Sep 9

Delta flights from Maryland to Cardiff

Our best Delta deals on Maryland to Cardiff flight tickets
Delta
Aug 24
IAD6:10 pmWashington, D.C. Dulles Intl
17h 35m
1 stop
CWL4:45 pmCardiff Wales
Sep 2
CWL9:45 amCardiff Wales
10h 50m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$1,111
Delta
Aug 24
IAD12:29 pmWashington, D.C. Dulles Intl
15h 46m
2 stops
CWL9:15 amCardiff Wales
Sep 2
CWL9:45 amCardiff Wales
10h 50m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$1,115
Delta
Aug 24
IAD12:29 pmWashington, D.C. Dulles Intl
15h 46m
2 stops
CWL9:15 amCardiff Wales
Sep 2
CWL9:45 amCardiff Wales
16h 33m
2 stops
IAD9:18 pmWashington, D.C. Dulles Intl
$1,125

Aer Lingus flights from Maryland to Cardiff

Our best Aer Lingus deals on Maryland to Cardiff flight tickets
Aer Lingus
Aug 31
BWI9:30 pmBaltimore/Washington
33h 00m
2 stops
CWL11:30 amCardiff Wales
Sep 9
CWL12:00 pmCardiff Wales
36h 40m
2 stops
BWI7:40 pmBaltimore/Washington
$1,371
Aer Lingus
Aug 31
BWI9:30 pmBaltimore/Washington
33h 00m
2 stops
CWL11:30 amCardiff Wales
Sep 9
CWL12:00 pmCardiff Wales
36h 40m
2 stops
BWI7:40 pmBaltimore/Washington
$1,384

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 May 24, 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

Fri 7/17

6:00 am-10:15 am

2 stops23h 15m

Cardiff Wales

Tue 7/21

11:35 am-9:48 pm

2 stops15h 13m

$738
Quickest round-trip

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Mon 7/6

4:20 pm-10:15 am

1 stop12h 55m

Cardiff Wales

Mon 7/13

11:35 am-8:24 pm

1 stop13h 49m

$743

Washington, D.C.Cardiff

DCA - CWL

DCACWL

Washington, D.C. Reagan-National

Fri 7/17

6:00 am-10:15 am

2 stops23h 15m

Cardiff Wales

Tue 7/21

11:35 am-10:31 pm

1 stop15h 56m

$753

Washington, D.C.Cardiff

IAD - CWL

IADCWL

Washington, D.C. Dulles Intl

Sun 7/12

3:50 pm-10:15 am

1 stop13h 25m

Cardiff Wales

Tue 7/14

11:35 am-3:10 pm

1 stop32h 35m

$758

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

$1,010

PhiladelphiaCardiff

PHL - CWL

PHLCWL

Philadelphia

Tue 9/1

6:27 pm-4:45 pm

2 stops17h 18m

Cardiff Wales

Wed 9/9

9:45 am-10:37 pm

2 stops17h 52m

$1,011

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Mon 8/31

6:10 pm-4:45 pm

2 stops17h 35m

Cardiff Wales

Wed 9/9

9:45 am-10:13 pm

2 stops17h 28m

$1,158

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Sun 11/15

6:10 am-9:50 am

2 stops22h 40m

Cardiff Wales

Sun 11/22

10:20 am-11:46 pm

2 stops18h 26m

$1,176

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Mon 8/31

9:30 pm-11:30 am

2 stops33h 00m

Cardiff Wales

Wed 9/9

12:00 pm-7:40 pm

2 stops36h 40m

$1,371

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Mon 8/31

9:30 pm-11:30 am

2 stops33h 00m

Cardiff Wales

Wed 9/9

12:00 pm-7:40 pm

2 stops36h 40m

$1,384

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 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?

WestJet, Delta, and KLM 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

12h 55m

Direct flights

None
The fastest flight from Maryland to Cardiff takes 12h 55m
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