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Cheap flights from Atlanta to Cardiff from $921

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Atlanta to Cardiff departing on 2/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Atlanta to Cardiff

Cheap round-trip flights

Enter your travel dates to find the best prices.
KLM Logo
8:20 pm - 4:45 pm
ATL
-
CWL
15h 25m
1 stop
KLM Logo
5:15 pm - 1:35 pm
CWL
-
ATL
25h 20m
1 stop
$921KLM
Thu, Feb 26 - Mon, Mar 2
KLM Logo
2:59 pm - 9:50 am
ATL
-
CWL
13h 51m
2 stops
KLM Logo
10:20 am - 2:35 pm
CWL
-
ATL
33h 15m
1 stop
$948KLM
Thu, Feb 26 - Mon, Mar 2
KLM Logo
2:59 pm - 9:50 am
ATL
-
CWL
13h 51m
2 stops
KLM Logo
10:20 am - 9:50 pm
CWL
-
ATL
16h 30m
2 stops
$1,008KLM
Thu, Feb 26 - Mon, Mar 2
Multiple Airlines Logo
10:40 pm - 9:15 am
ATL
-
CWL
29h 35m
1 stop
Multiple Airlines Logo
5:15 pm - 4:59 pm
CWL
-
ATL
28h 44m
1 stop
$1,055Multiple Airlines
Mon, Jul 6 - Mon, Jul 20
Multiple Airlines Logo
2:55 pm - 9:15 am
ATL
-
CWL
13h 20m
2 stops
Multiple Airlines Logo
5:15 pm - 4:59 pm
CWL
-
ATL
28h 44m
1 stop
$1,059Multiple Airlines
Mon, Jul 6 - Mon, Jul 20
Multiple Airlines Logo
6:05 pm - 9:50 am
ATL
-
CWL
11h 45m
1 stop
Multiple Airlines Logo
5:25 pm - 9:45 pm
CWL
-
ATL
32h 20m
1 stop
$1,064Multiple Airlines
Sat, Mar 14 - Sat, Mar 21
Multiple Airlines Logo
3:55 pm - 10:50 pm
ATL
-
CWL
25h 55m
3 stops
Multiple Airlines Logo
11:35 am - 6:16 pm
CWL
-
ATL
35h 41m
3 stops
$1,156Multiple Airlines
Mon, Jul 6 - Mon, Jul 20
Multiple Airlines Logo
3:55 pm - 10:50 pm
ATL
-
CWL
25h 55m
3 stops
Multiple Airlines Logo
11:35 am - 12:10 pm
CWL
-
ATL
29h 35m
2 stops
$1,170Multiple Airlines
Mon, Jul 6 - Mon, Jul 20
Multiple Airlines Logo
10:50 pm - 9:50 am
ATL
-
CWL
31h 00m
2 stops
Multiple Airlines Logo
5:25 pm - 8:34 am
CWL
-
ATL
43h 09m
2 stops
$1,271Multiple Airlines
Sat, Mar 14 - Sat, Mar 21
Delta Logo
1:00 pm - 9:50 am
ATL
-
CWL
16h 50m
2 stops
Delta Logo
10:20 am - 9:45 pm
CWL
-
ATL
15h 25m
1 stop
$1,339Delta
Sat, Mar 14 - Sat, Mar 21

KLM flights from Atlanta to Cardiff

Our best KLM deals on Atlanta to Cardiff flight tickets
KLM
Feb 26
ATL8:20 pmAtlanta Hartsfield-Jackson
15h 25m
1 stop
CWL4:45 pmCardiff Wales
Mar 2
CWL5:15 pmCardiff Wales
25h 20m
1 stop
ATL1:35 pmAtlanta Hartsfield-Jackson
$921
KLM
Feb 26
ATL2:59 pmAtlanta Hartsfield-Jackson
13h 51m
2 stops
CWL9:50 amCardiff Wales
Mar 2
CWL10:20 amCardiff Wales
33h 15m
1 stop
ATL2:35 pmAtlanta Hartsfield-Jackson
$948
KLM
Feb 26
ATL2:59 pmAtlanta Hartsfield-Jackson
13h 51m
2 stops
CWL9:50 amCardiff Wales
Mar 2
CWL10:20 amCardiff Wales
16h 30m
2 stops
ATL9:50 pmAtlanta Hartsfield-Jackson
$1,008

Delta flights from Atlanta to Cardiff

Our best Delta deals on Atlanta to Cardiff flight tickets
Delta
Mar 14
ATL1:00 pmAtlanta Hartsfield-Jackson
16h 50m
2 stops
CWL9:50 amCardiff Wales
Mar 21
CWL10:20 amCardiff Wales
15h 25m
1 stop
ATL9:45 pmAtlanta Hartsfield-Jackson
$1,339
Delta
Mar 13
ATL7:09 pmAtlanta Hartsfield-Jackson
17h 46m
2 stops
CWL4:55 pmCardiff Wales
Mar 20
CWL10:20 amCardiff Wales
15h 25m
1 stop
ATL9:45 pmAtlanta Hartsfield-Jackson
$1,348
Delta
Mar 13
ATL7:09 pmAtlanta Hartsfield-Jackson
17h 46m
2 stops
CWL4:55 pmCardiff Wales
Mar 20
CWL10:20 amCardiff Wales
16h 25m
2 stops
ATL10:45 pmAtlanta Hartsfield-Jackson
$1,358

momondo Fare Finder

 
Customize your flight search to find flights from Atlanta 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 January 29, 2026.
Use the filters below to find and compare flights from Atlanta to Cardiff that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AtlantaCardiff

ATL - CWL

ATLCWL

Atlanta Hartsfield-Jackson

Thu 2/26

8:20 pm-4:45 pm

1 stop15h 25m

Cardiff Wales

Mon 3/2

5:15 pm-1:35 pm

1 stop25h 20m

$921

AtlantaCardiff

ATL - CWL

ATLCWL

Atlanta Hartsfield-Jackson

Thu 2/26

2:59 pm-9:50 am

2 stops13h 51m

Cardiff Wales

Mon 3/2

10:20 am-2:35 pm

1 stop33h 15m

$948

AtlantaCardiff

ATL - CWL

ATLCWL

Atlanta Hartsfield-Jackson

Thu 2/26

2:59 pm-9:50 am

2 stops13h 51m

Cardiff Wales

Mon 3/2

10:20 am-9:50 pm

2 stops16h 30m

$1,008

AtlantaCardiff

ATL - CWL

ATLCWL

Atlanta Hartsfield-Jackson

Mon 7/6

10:40 pm-9:15 am

1 stop29h 35m

Cardiff Wales

Mon 7/20

5:15 pm-4:59 pm

1 stop28h 44m

$1,055

AtlantaCardiff

ATL - CWL

ATLCWL

Atlanta Hartsfield-Jackson

Mon 7/6

2:55 pm-9:15 am

2 stops13h 20m

Cardiff Wales

Mon 7/20

5:15 pm-4:59 pm

1 stop28h 44m

$1,059

AtlantaCardiff

ATL - CWL

ATLCWL

Atlanta Hartsfield-Jackson

Sat 3/14

6:05 pm-9:50 am

1 stop11h 45m

Cardiff Wales

Sat 3/21

5:25 pm-9:45 pm

1 stop32h 20m

$1,064

AtlantaCardiff

ATL - CWL

ATLCWL

Atlanta Hartsfield-Jackson

Mon 7/6

3:55 pm-10:50 pm

3 stops25h 55m

Cardiff Wales

Mon 7/20

11:35 am-6:16 pm

3 stops35h 41m

$1,156

AtlantaCardiff

ATL - CWL

ATLCWL

Atlanta Hartsfield-Jackson

Mon 7/6

3:55 pm-10:50 pm

3 stops25h 55m

Cardiff Wales

Mon 7/20

11:35 am-12:10 pm

2 stops29h 35m

$1,170

AtlantaCardiff

ATL - CWL

ATLCWL

Atlanta Hartsfield-Jackson

Sat 3/14

10:50 pm-9:50 am

2 stops31h 00m

Cardiff Wales

Sat 3/21

5:25 pm-8:34 am

2 stops43h 09m

$1,271

AtlantaCardiff

ATL - CWL

ATLCWL

Atlanta Hartsfield-Jackson

Sat 3/14

1:00 pm-9:50 am

2 stops16h 50m

Cardiff Wales

Sat 3/21

10:20 am-9:45 pm

1 stop15h 25m

$1,339

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Atlanta to Cardiff

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

Cheap Atlanta to Cardiff (ATL to CWL) flight deals and tips

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

Fastest flight time

11h 45m

Direct flights

None
The fastest flight from Atlanta to Cardiff takes 11h 45m
There are no direct flights from Atlanta to Cardiff. There are no popular flight routes from Atlanta to Cardiff.
Search flight deals

  • How far is Atlanta Hartsfield-Jackson to Cardiff Wales by plane?

    The straight-line distance from Atlanta Hartsfield-Jackson to Cardiff Wales is 4079.0 mi. Flights usually cover this in 11h 45m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to Cardiff Wales Airport?

    Prices for flights from Atlanta Hartsfield-Jackson Airport to Cardiff Wales Airport refresh daily.

  • How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to Cardiff Wales Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Atlanta Hartsfield-Jackson Airport 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.

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

    Confirm your travel details to search for the latest offers for flights from Atlanta 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 Atlanta to Cardiff with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

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

Finding the right flight to Cardiff from Atlanta is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Cardiff quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Atlanta to Cardiff flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Cardiff from Atlanta.

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

Yes momondo offers price alerts on flights to Cardiff from Atlanta. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Cardiff trip

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Find better results for your trip to the United Kingdom

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