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Cheap flights from Baltimore to Cardiff from $540

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to Cardiff departing on 8/17. 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

Find the cheapest flights from Baltimore to Cardiff

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
10:40 am - 9:15 am
BWI
-
CWL
17h 35m
2 stops
Delta Logo
9:45 am - 9:27 pm
CWL
-
BWI
16h 42m
2 stops
$1,133Delta
Sun, Sep 6 - Tue, Sep 15
KLM Logo
1:45 pm - 9:15 am
BWI
-
CWL
14h 30m
2 stops
KLM Logo
9:45 am - 9:27 pm
CWL
-
BWI
16h 42m
2 stops
$1,167KLM
Mon, Aug 10 - Tue, Aug 18
Delta Logo
10:40 am - 9:15 am
BWI
-
CWL
17h 35m
2 stops
Delta Logo
9:45 am - 9:22 pm
CWL
-
BWI
16h 37m
2 stops
$1,177Delta
Mon, Aug 31 - Wed, Sep 9
Delta Logo
10:40 am - 9:15 am
BWI
-
CWL
17h 35m
2 stops
Delta Logo
9:45 am - 9:22 pm
CWL
-
BWI
16h 37m
2 stops
$1,180Delta
Mon, Aug 31 - Wed, Sep 9
KLM Logo
1:45 pm - 9:15 am
BWI
-
CWL
14h 30m
2 stops
KLM Logo
9:45 am - 9:27 pm
CWL
-
BWI
16h 42m
2 stops
$1,182KLM
Mon, Sep 7 - Mon, Sep 14
KLM Logo
1:45 pm - 9:15 am
BWI
-
CWL
14h 30m
2 stops
KLM Logo
9:45 am - 9:27 pm
CWL
-
BWI
16h 42m
2 stops
$1,191KLM
Wed, Aug 12 - Tue, Aug 18
Delta Logo
10:40 am - 9:15 am
BWI
-
CWL
17h 35m
2 stops
Delta Logo
9:50 am - 9:27 pm
CWL
-
BWI
16h 37m
2 stops
$1,192Delta
Sun, Sep 6 - Sun, Sep 13
Multiple Airlines Logo
1:45 pm - 9:15 am
BWI
-
CWL
14h 30m
2 stops
Multiple Airlines Logo
9:50 am - 9:27 pm
CWL
-
BWI
16h 37m
2 stops
$1,228Multiple Airlines
Mon, Sep 7 - Sun, Sep 13
KLM Logo
2:08 pm - 9:15 am
BWI
-
CWL
14h 07m
2 stops
KLM Logo
5:15 pm - 5:47 pm
CWL
-
BWI
29h 32m
2 stops
$1,231KLM
Sun, Aug 2 - Tue, Aug 11
KLM Logo
1:00 pm - 9:15 am
BWI
-
CWL
15h 15m
2 stops
KLM Logo
9:45 am - 9:27 pm
CWL
-
BWI
16h 42m
2 stops
$1,232KLM
Sat, Sep 5 - Mon, Sep 14

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WestJet flights from Baltimore to Cardiff

Our best WestJet deals on Baltimore to Cardiff flight tickets
WestJet
Aug 19
BWI10:25 amBaltimore/Washington
18h 50m
2 stops
CWL10:15 amCardiff Wales
Sep 12
CWL11:35 amCardiff Wales
28h 35m
2 stops
BWI11:10 amBaltimore/Washington
$1,409
WestJet
Aug 19
BWI10:25 amBaltimore/Washington
18h 50m
2 stops
CWL10:15 amCardiff Wales
Sep 10
CWL11:35 amCardiff Wales
16h 26m
2 stops
BWI11:01 pmBaltimore/Washington
$1,491
WestJet
Aug 19
BWI10:25 amBaltimore/Washington
18h 50m
2 stops
CWL10:15 amCardiff Wales
Sep 10
CWL11:35 amCardiff Wales
16h 26m
2 stops
BWI11:01 pmBaltimore/Washington
$1,499

Aer Lingus flights from Baltimore to Cardiff

Our best Aer Lingus deals on Baltimore to Cardiff flight tickets
Aer Lingus
Aug 20
BWI9:30 pmBaltimore/Washington
33h 00m
2 stops
CWL11:30 amCardiff Wales
Sep 10
CWL12:00 pmCardiff Wales
36h 40m
2 stops
BWI7:40 pmBaltimore/Washington
$1,566
Aer Lingus
Jul 19
BWI9:35 pmBaltimore/Washington
32h 55m
2 stops
CWL11:30 amCardiff Wales
Aug 8
CWL12:00 pmCardiff Wales
36h 45m
2 stops
BWI7:45 pmBaltimore/Washington
$1,706
Aer Lingus
Jul 19
BWI9:35 pmBaltimore/Washington
32h 55m
2 stops
CWL11:30 amCardiff Wales
Jul 26
CWL12:00 pmCardiff Wales
36h 40m
2 stops
BWI7:40 pmBaltimore/Washington
$1,773

momondo Fare Finder

 
Customize your flight search to find flights from Baltimore 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 22, 2026.
Use the filters below to find and compare flights from Baltimore to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Sun 9/6

10:40 am-9:15 am

2 stops17h 35m

Cardiff Wales

Tue 9/15

9:45 am-9:27 pm

2 stops16h 42m

$1,133

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Mon 8/10

1:45 pm-9:15 am

2 stops14h 30m

Cardiff Wales

Tue 8/18

9:45 am-9:27 pm

2 stops16h 42m

$1,167

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Mon 8/31

10:40 am-9:15 am

2 stops17h 35m

Cardiff Wales

Wed 9/9

9:45 am-9:22 pm

2 stops16h 37m

$1,177

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Mon 8/31

10:40 am-9:15 am

2 stops17h 35m

Cardiff Wales

Wed 9/9

9:45 am-9:22 pm

2 stops16h 37m

$1,180

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Mon 9/7

1:45 pm-9:15 am

2 stops14h 30m

Cardiff Wales

Mon 9/14

9:45 am-9:27 pm

2 stops16h 42m

$1,182

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Wed 8/12

1:45 pm-9:15 am

2 stops14h 30m

Cardiff Wales

Tue 8/18

9:45 am-9:27 pm

2 stops16h 42m

$1,191

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Sun 9/6

10:40 am-9:15 am

2 stops17h 35m

Cardiff Wales

Sun 9/13

9:50 am-9:27 pm

2 stops16h 37m

$1,192
Quickest round-trip

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Mon 9/7

1:45 pm-9:15 am

2 stops14h 30m

Cardiff Wales

Sun 9/13

9:50 am-9:27 pm

2 stops16h 37m

$1,228

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Sun 8/2

2:08 pm-9:15 am

2 stops14h 07m

Cardiff Wales

Tue 8/11

5:15 pm-5:47 pm

2 stops29h 32m

$1,231

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Sat 9/5

1:00 pm-9:15 am

2 stops15h 15m

Cardiff Wales

Mon 9/14

9:45 am-9:27 pm

2 stops16h 42m

$1,232

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 Baltimore 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 Baltimore/Washington to Cardiff Wales?

KLM is the most popular carrier operating from Baltimore/Washington to Cardiff Wales

When to book flights from Baltimore to Cardiff

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

Cheap Baltimore to Cardiff (BWI to CWL) flight deals and tips

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

Fastest flight time

14h 07m

Direct flights

None
The fastest flight from Baltimore to Cardiff takes 14h 07m
There are no direct flights from Baltimore to Cardiff. There are no popular flight routes from Baltimore to Cardiff.
Search flight deals

Frequently asked questions about flying from Baltimore to Cardiff

  • How far is Baltimore/Washington to Cardiff Wales by plane?

    The distance between Baltimore/Washington and Cardiff Wales is about 3503.1 mi. Flights usually cover this in 14h 07m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Baltimore/Washington Airport to Cardiff Wales Airport?

    Prices for flights from Baltimore/Washington Airport to Cardiff Wales Airport are updated daily.

  • How old do you have to be to fly from Baltimore/Washington Airport to Cardiff Wales Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Baltimore/Washington Airport to Cardiff Wales Airport.

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

    The travel and health documents required for your trip to Cardiff Wales Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cardiff Wales Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Baltimore to Cardiff. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Cardiff from Baltimore which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Baltimore and Cardiff by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Baltimore to Cardiff now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Cardiff and let you know when they change.

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Fly your favorite airline to Cardiff

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