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Cheap flights from Baltimore to Cardiff from $589

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 9/26. 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.
Multiple Airlines Logo
8:30 pm - 9:20 pmBWI  Baltimore/Washington-CWL Cardiff Wales
19h 50m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
7:30 am - 10:15 pmCWL  Cardiff Wales-BWI Baltimore/Washington
19h 45m2 stops Dublin Reykjavik Keflavik Intl
$1,083Multiple Airlines
Sat, Sep 19 - Sat, Sep 26
Delta Logo
2:01 pm - 9:50 amBWI  Baltimore/Washington-CWL Cardiff Wales
14h 49m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
Delta Logo
10:20 am - 11:03 pmCWL  Cardiff Wales-BWI Baltimore/Washington
17h 43m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$1,129Delta
Mon, Nov 9 - Fri, Nov 13
Delta Logo
7:52 pm - 5:00 pmBWI  Baltimore/Washington-CWL Cardiff Wales
16h 08m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
Delta Logo
10:20 am - 11:03 pmCWL  Cardiff Wales-BWI Baltimore/Washington
17h 43m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$1,179Delta
Sun, Nov 15 - Sun, Nov 22
KLM Logo
1:55 pm - 9:15 amBWI  Baltimore/Washington-CWL Cardiff Wales
14h 20m2 stops Boston Logan Intl Amsterdam Schiphol
KLM Logo
5:15 pm - 4:55 pmCWL  Cardiff Wales-BWI Baltimore/Washington
28h 40m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$1,189KLM
Mon, Sep 21 - Mon, Sep 28
Multiple Airlines Logo
8:30 pm - 9:20 pmBWI  Baltimore/Washington-CWL Cardiff Wales
19h 50m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
7:30 am - 10:15 pmCWL  Cardiff Wales-BWI Baltimore/Washington
19h 45m3 stops Dublin Bergen Flesland Reykjavik Keflavik Intl
$1,259Multiple Airlines
Sat, Sep 19 - Sat, Sep 26
Delta Logo
10:40 am - 9:15 amBWI  Baltimore/Washington-CWL Cardiff Wales
17h 35m2 stops Boston Logan Intl Amsterdam Schiphol
Delta Logo
9:45 am - 9:22 pmCWL  Cardiff Wales-BWI Baltimore/Washington
16h 37m2 stops Amsterdam Schiphol Boston Logan Intl
$1,260Delta
Mon, Aug 31 - Wed, Sep 9
Delta Logo
10:00 am - 9:50 amBWI  Baltimore/Washington-CWL Cardiff Wales
18h 50m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol
Delta Logo
10:20 am - 11:03 pmCWL  Cardiff Wales-BWI Baltimore/Washington
17h 43m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$1,291Delta
Thu, Dec 3 - Mon, Dec 7
Multiple Airlines Logo
8:30 pm - 9:20 pmBWI  Baltimore/Washington-CWL Cardiff Wales
19h 50m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
7:30 am - 10:15 pmCWL  Cardiff Wales-BWI Baltimore/Washington
19h 45m2 stops Dublin Reykjavik Keflavik Intl
$1,302Multiple Airlines
Sat, Sep 19 - Sat, Sep 26
Multiple Airlines Logo
8:30 pm - 9:20 pmBWI  Baltimore/Washington-CWL Cardiff Wales
19h 50m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
7:30 am - 7:25 pmCWL  Cardiff Wales-BWI Baltimore/Washington
16h 55m2 stops Dublin Reykjavik Keflavik Intl
$1,381Multiple Airlines
Sat, Sep 19 - Sat, Sep 26
KLM Logo
12:30 pm - 9:15 amBWI  Baltimore/Washington-CWL Cardiff Wales
15h 45m2 stops Detroit Metropolitan Wayne County Amsterdam Schiphol
KLM Logo
5:15 pm - 4:55 pmCWL  Cardiff Wales-BWI Baltimore/Washington
28h 40m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
$1,385KLM
Sun, Sep 20 - Sun, Sep 27

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Delta flights from Baltimore to Cardiff

Our best Delta deals on Baltimore to Cardiff flight tickets
Delta
Nov 15
BWI7:52 pmBaltimore/Washington
16h 08m
2 stops
CWL5:00 pmCardiff Wales
Nov 22
CWL10:20 amCardiff Wales
17h 43m
2 stops
BWI11:03 pmBaltimore/Washington
$1,179
Delta
Aug 31
BWI10:40 amBaltimore/Washington
17h 35m
2 stops
CWL9:15 amCardiff Wales
Sep 9
CWL9:45 amCardiff Wales
16h 37m
2 stops
BWI9:22 pmBaltimore/Washington
$1,260
Delta
Dec 3
BWI10:00 amBaltimore/Washington
18h 50m
2 stops
CWL9:50 amCardiff Wales
Dec 7
CWL10:20 amCardiff Wales
17h 43m
2 stops
BWI11:03 pmBaltimore/Washington
$1,291

KLM flights from Baltimore to Cardiff

Our best KLM deals on Baltimore to Cardiff flight tickets
KLM
Sep 21
BWI1:55 pmBaltimore/Washington
14h 20m
2 stops
CWL9:15 amCardiff Wales
Sep 28
CWL5:15 pmCardiff Wales
28h 40m
2 stops
BWI4:55 pmBaltimore/Washington
$1,189
KLM
Sep 20
BWI12:30 pmBaltimore/Washington
15h 45m
2 stops
CWL9:15 amCardiff Wales
Sep 27
CWL5:15 pmCardiff Wales
28h 40m
2 stops
BWI4:55 pmBaltimore/Washington
$1,385
KLM
Aug 15
BWI1:00 pmBaltimore/Washington
15h 15m
2 stops
CWL9:15 amCardiff Wales
Aug 17
CWL9:45 amCardiff Wales
17h 54m
2 stops
BWI10:39 pmBaltimore/Washington
$1,552

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 August 10, 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 Baltimore/Washington - CWL Cardiff Wales

BWICWL

Baltimore/Washington

Sat 9/19

8:30 pm-9:20 pm

2 stops19h 50m

Cardiff Wales

Sat 9/26

7:30 am-10:15 pm

2 stops19h 45m

$1,083
Quickest round-trip

BaltimoreCardiff

BWI Baltimore/Washington - CWL Cardiff Wales

BWICWL

Baltimore/Washington

Mon 11/9

2:01 pm-9:50 am

2 stops14h 49m

Cardiff Wales

Fri 11/13

10:20 am-11:03 pm

2 stops17h 43m

$1,129

BaltimoreCardiff

BWI Baltimore/Washington - CWL Cardiff Wales

BWICWL

Baltimore/Washington

Sun 11/15

7:52 pm-5:00 pm

2 stops16h 08m

Cardiff Wales

Sun 11/22

10:20 am-11:03 pm

2 stops17h 43m

$1,179

BaltimoreCardiff

BWI Baltimore/Washington - CWL Cardiff Wales

BWICWL

Baltimore/Washington

Mon 9/21

1:55 pm-9:15 am

2 stops14h 20m

Cardiff Wales

Mon 9/28

5:15 pm-4:55 pm

2 stops28h 40m

$1,189

BaltimoreCardiff

BWI Baltimore/Washington - CWL Cardiff Wales

BWICWL

Baltimore/Washington

Sat 9/19

8:30 pm-9:20 pm

2 stops19h 50m

Cardiff Wales

Sat 9/26

7:30 am-10:15 pm

3 stops19h 45m

$1,259

BaltimoreCardiff

BWI Baltimore/Washington - CWL Cardiff Wales

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

$1,260

BaltimoreCardiff

BWI Baltimore/Washington - CWL Cardiff Wales

BWICWL

Baltimore/Washington

Thu 12/3

10:00 am-9:50 am

2 stops18h 50m

Cardiff Wales

Mon 12/7

10:20 am-11:03 pm

2 stops17h 43m

$1,291

BaltimoreCardiff

BWI Baltimore/Washington - CWL Cardiff Wales

BWICWL

Baltimore/Washington

Sat 9/19

8:30 pm-9:20 pm

2 stops19h 50m

Cardiff Wales

Sat 9/26

7:30 am-10:15 pm

2 stops19h 45m

$1,302

BaltimoreCardiff

BWI Baltimore/Washington - CWL Cardiff Wales

BWICWL

Baltimore/Washington

Sat 9/19

8:30 pm-9:20 pm

2 stops19h 50m

Cardiff Wales

Sat 9/26

7:30 am-7:25 pm

2 stops16h 55m

$1,381

BaltimoreCardiff

BWI Baltimore/Washington - CWL Cardiff Wales

BWICWL

Baltimore/Washington

Sun 9/20

12:30 pm-9:15 am

2 stops15h 45m

Cardiff Wales

Sun 9/27

5:15 pm-4:55 pm

2 stops28h 40m

$1,385

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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?

Delta and KLM are the most popular carriers 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

16h 08m

Direct flights

None
The fastest flight from Baltimore to Cardiff takes 16h 08m
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 16h 08m, 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.

Traveling to a place near Cardiff?

Book flights to Cardiff if you plan to visit one of these locations
Bridgend

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.

An easier way to manage your Cardiff trip

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Aer Lingus