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Cheap flights from Baltimore to Cardiff from $348

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 5/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Baltimore to Cardiff

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:30 pm - 9:15 am
BWI
-
CWL
31h 45m
3 stops
Multiple Airlines Logo
5:15 pm - 7:25 pm
CWL
-
BWI
31h 10m
3 stops
$1,126Multiple Airlines
Thu, Apr 30 - Thu, May 7
Delta Logo
10:40 am - 9:15 am
BWI
-
CWL
17h 35m
2 stops
Delta Logo
9:45 am - 8:50 pm
CWL
-
BWI
16h 05m
2 stops
$1,150Delta
Thu, Apr 30 - Thu, May 7
Delta Logo
10:40 am - 9:15 am
BWI
-
CWL
17h 35m
2 stops
Delta Logo
9:50 am - 11:17 pm
CWL
-
BWI
18h 27m
2 stops
$1,238Delta
Wed, May 6 - Sun, May 10
Delta Logo
10:40 am - 9:15 am
BWI
-
CWL
17h 35m
2 stops
Delta Logo
9:50 am - 11:17 pm
CWL
-
BWI
18h 27m
2 stops
$1,248Delta
Sun, May 3 - Sun, May 10
Delta Logo
10:40 am - 9:15 am
BWI
-
CWL
17h 35m
2 stops
Delta Logo
9:50 am - 11:17 pm
CWL
-
BWI
18h 27m
2 stops
$1,250Delta
Sun, May 3 - Sun, May 10
Delta Logo
10:35 am - 9:15 am
BWI
-
CWL
17h 40m
2 stops
Delta Logo
9:45 am - 11:17 pm
CWL
-
BWI
18h 32m
2 stops
$1,287Delta
Sat, May 2 - Sat, May 9
Multiple Airlines Logo
8:30 pm - 9:15 am
BWI
-
CWL
31h 45m
3 stops
Multiple Airlines Logo
5:15 pm - 7:25 pm
CWL
-
BWI
31h 10m
3 stops
$1,292Multiple Airlines
Sun, May 3 - Sun, May 10
Multiple Airlines Logo
8:30 pm - 4:45 pm
BWI
-
CWL
15h 15m
2 stops
Multiple Airlines Logo
9:45 am - 7:25 pm
CWL
-
BWI
14h 40m
2 stops
$1,316Multiple Airlines
Thu, Apr 30 - Thu, May 7
Air Europa Logo
2:10 pm - 9:15 am
BWI
-
CWL
14h 05m
2 stops
Air Europa Logo
9:45 am - 8:50 pm
CWL
-
BWI
16h 05m
2 stops
$1,328Air Europa
Tue, Jul 14 - Fri, Jul 24
Multiple Airlines Logo
9:30 pm - 11:30 am
BWI
-
CWL
33h 00m
2 stops
Multiple Airlines Logo
12:00 pm - 7:40 pm
CWL
-
BWI
36h 40m
2 stops
$1,336Multiple Airlines
Mon, Apr 27 - Sun, May 3

Delta flights from Baltimore to Cardiff

Our best Delta deals on Baltimore to Cardiff flight tickets
Delta
Apr 30
BWI10:40 amBaltimore/Washington
17h 35m
2 stops
CWL9:15 amCardiff Wales
May 7
CWL9:45 amCardiff Wales
16h 05m
2 stops
BWI8:50 pmBaltimore/Washington
$1,150
Delta
May 6
BWI10:40 amBaltimore/Washington
17h 35m
2 stops
CWL9:15 amCardiff Wales
May 10
CWL9:50 amCardiff Wales
18h 27m
2 stops
BWI11:17 pmBaltimore/Washington
$1,238
Delta
May 3
BWI10:40 amBaltimore/Washington
17h 35m
2 stops
CWL9:15 amCardiff Wales
May 10
CWL9:50 amCardiff Wales
18h 27m
2 stops
BWI11:17 pmBaltimore/Washington
$1,248

Aer Lingus flights from Baltimore to Cardiff

Our best Aer Lingus deals on Baltimore to Cardiff flight tickets
Aer Lingus
May 11
BWI9:30 pmBaltimore/Washington
33h 00m
2 stops
CWL11:30 amCardiff Wales
May 18
CWL12:00 pmCardiff Wales
36h 40m
2 stops
BWI7:40 pmBaltimore/Washington
$1,513
Aer Lingus
Jul 13
BWI9:30 pmBaltimore/Washington
33h 00m
2 stops
CWL11:30 amCardiff Wales
Jul 19
CWL12:00 pmCardiff Wales
36h 40m
2 stops
BWI7:40 pmBaltimore/Washington
$1,564
Aer Lingus
May 22
BWI9:30 pmBaltimore/Washington
33h 00m
2 stops
CWL11:30 amCardiff Wales
May 31
CWL12:00 pmCardiff Wales
36h 40m
2 stops
BWI7:40 pmBaltimore/Washington
$1,778

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 March 20, 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

Thu 4/30

8:30 pm-9:15 am

3 stops31h 45m

Cardiff Wales

Thu 5/7

5:15 pm-7:25 pm

3 stops31h 10m

$1,126

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Thu 4/30

10:40 am-9:15 am

2 stops17h 35m

Cardiff Wales

Thu 5/7

9:45 am-8:50 pm

2 stops16h 05m

$1,150

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Wed 5/6

10:40 am-9:15 am

2 stops17h 35m

Cardiff Wales

Sun 5/10

9:50 am-11:17 pm

2 stops18h 27m

$1,238

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Sun 5/3

10:40 am-9:15 am

2 stops17h 35m

Cardiff Wales

Sun 5/10

9:50 am-11:17 pm

2 stops18h 27m

$1,248

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Sun 5/3

10:40 am-9:15 am

2 stops17h 35m

Cardiff Wales

Sun 5/10

9:50 am-11:17 pm

2 stops18h 27m

$1,250

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Sat 5/2

10:35 am-9:15 am

2 stops17h 40m

Cardiff Wales

Sat 5/9

9:45 am-11:17 pm

2 stops18h 32m

$1,287

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Sun 5/3

8:30 pm-9:15 am

3 stops31h 45m

Cardiff Wales

Sun 5/10

5:15 pm-7:25 pm

3 stops31h 10m

$1,292
Quickest round-trip

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Thu 4/30

8:30 pm-4:45 pm

2 stops15h 15m

Cardiff Wales

Thu 5/7

9:45 am-7:25 pm

2 stops14h 40m

$1,316

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Tue 7/14

2:10 pm-9:15 am

2 stops14h 05m

Cardiff Wales

Fri 7/24

9:45 am-8:50 pm

2 stops16h 05m

$1,328

BaltimoreCardiff

BWI - CWL

BWICWL

Baltimore/Washington

Mon 4/27

9:30 pm-11:30 am

2 stops33h 00m

Cardiff Wales

Sun 5/3

12:00 pm-7:40 pm

2 stops36h 40m

$1,336

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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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

15h 15m

Direct flights

None
The fastest flight from Baltimore to Cardiff takes 15h 15m
There are no direct flights from Baltimore to Cardiff. There are no popular flight routes from Baltimore to Cardiff.
Search flight deals

  • 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 15h 15m, 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.

  • How do I get Price Alerts for flights from Baltimore to Cardiff?

    Confirm your travel details to search for the latest offers for flights from Baltimore to Cardiff. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Baltimore to Cardiff with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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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Aer Lingus