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Cheap flights from Atlanta to Cardiff from $417

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Atlanta to Cardiff departing on 8/28. 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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Find the cheapest flights from Atlanta to Cardiff

Cheap round-trip flights

Logo
7:45 am - 12:00 pmATL-CWL
23h 15m3 stops
Logo
7:55 am - 7:42 amCWL-ATL
28h 47m3 stops
$1,259
Find Deal
Thu, Aug 28 - Thu, Sep 4
Logo
11:05 am - 7:15 pmATL-CWL
27h 10m2 stops
Logo
8:15 pm - 3:02 pmCWL-ATL
23h 47m2 stops
$1,428
Find Deal
Thu, Aug 28 - Thu, Sep 4
Logo
7:45 am - 12:00 pmATL-CWL
23h 15m3 stops
Logo
7:55 am - 5:47 amCWL-ATL
26h 52m2 stops
$1,432
Find Deal
Thu, Aug 28 - Thu, Sep 4
KLM Logo
3:30 pm - 9:15 amATL-CWL
12h 45m1 stop
KLM Logo
5:15 pm - 8:25 pmCWL-ATL
32h 10m1 stop
$1,530KLM
Find Deal
Thu, Aug 28 - Thu, Sep 4
Delta Logo
2:05 pm - 9:15 amATL-CWL
14h 10m2 stops
Delta Logo
9:50 am - 8:25 pmCWL-ATL
15h 35m1 stop
$1,536Delta
Find Deal
Thu, Aug 28 - Thu, Sep 4
KLM Logo
3:30 pm - 4:45 pmATL-CWL
20h 15m1 stop
KLM Logo
5:15 pm - 1:30 pmCWL-ATL
25h 15m1 stop
$1,554KLM
Find Deal
Tue, Aug 26 - Tue, Sep 2
Delta Logo
7:10 pm - 4:45 pmATL-CWL
16h 35m2 stops
Delta Logo
9:50 am - 8:25 pmCWL-ATL
15h 35m1 stop
$1,559Delta
Find Deal
Tue, Aug 26 - Tue, Sep 2
Delta Logo
2:05 pm - 9:15 amATL-CWL
14h 10m2 stops
Delta Logo
9:50 am - 9:55 pmCWL-ATL
17h 05m2 stops
$1,569Delta
Find Deal
Tue, Aug 26 - Tue, Sep 2
Logo
7:32 am - 3:35 pmATL-CWL
27h 03m3 stops
Logo
4:20 pm - 4:55 amCWL-ATL
41h 35m3 stops
$1,583
Find Deal
Tue, Aug 26 - Tue, Sep 2
Logo
11:05 am - 3:35 pmATL-CWL
23h 30m2 stops
Logo
8:15 pm - 9:41 pmCWL-ATL
30h 26m3 stops
$2,156
Find Deal
Tue, Aug 26 - Tue, Sep 2

KLM flights from Atlanta to Cardiff

Our best KLM deals on Atlanta to Cardiff flight tickets
KLM
Aug 28
ATL3:30 pmAtlanta Hartsfield-Jackson
12h 45m
1 stop
CWL9:15 amCardiff Wales
Sep 4
CWL5:15 pmCardiff Wales
32h 10m
1 stop
ATL8:25 pmAtlanta Hartsfield-Jackson
$1,530
Find similar
KLM
Aug 26
ATL3:30 pmAtlanta Hartsfield-Jackson
20h 15m
1 stop
CWL4:45 pmCardiff Wales
Sep 2
CWL5:15 pmCardiff Wales
25h 15m
1 stop
ATL1:30 pmAtlanta Hartsfield-Jackson
$1,554
Find similar
KLM
Aug 8
ATL10:40 pmAtlanta Hartsfield-Jackson
13h 25m
1 stop
CWL5:05 pmCardiff Wales
Aug 11
CWL9:50 amCardiff Wales
31h 40m
1 stop
ATL12:30 pmAtlanta Hartsfield-Jackson
$2,454
Find similar

Delta flights from Atlanta to Cardiff

Our best Delta deals on Atlanta to Cardiff flight tickets
Delta
Aug 28
ATL2:05 pmAtlanta Hartsfield-Jackson
14h 10m
2 stops
CWL9:15 amCardiff Wales
Sep 4
CWL9:50 amCardiff Wales
15h 35m
1 stop
ATL8:25 pmAtlanta Hartsfield-Jackson
$1,536
Find similar
Delta
Aug 26
ATL7:10 pmAtlanta Hartsfield-Jackson
16h 35m
2 stops
CWL4:45 pmCardiff Wales
Sep 2
CWL9:50 amCardiff Wales
15h 35m
1 stop
ATL8:25 pmAtlanta Hartsfield-Jackson
$1,559
Find similar
Delta
Aug 26
ATL2:05 pmAtlanta Hartsfield-Jackson
14h 10m
2 stops
CWL9:15 amCardiff Wales
Sep 2
CWL9:50 amCardiff Wales
17h 05m
2 stops
ATL9:55 pmAtlanta Hartsfield-Jackson
$1,569
Find similar

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 July 31, 2025.
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 8/28

7:45 am-12:00 pm

3 stops23h 15m

Cardiff Wales

Thu 9/4

7:55 am-7:42 am

3 stops28h 47m

$1,259

AtlantaCardiff

ATL - CWL

ATLCWL

Atlanta Hartsfield-Jackson

Thu 8/28

11:05 am-7:15 pm

2 stops27h 10m

Cardiff Wales

Thu 9/4

8:15 pm-3:02 pm

2 stops23h 47m

$1,428

AtlantaCardiff

ATL - CWL

ATLCWL

Atlanta Hartsfield-Jackson

Thu 8/28

7:45 am-12:00 pm

3 stops23h 15m

Cardiff Wales

Thu 9/4

7:55 am-5:47 am

2 stops26h 52m

$1,432

AtlantaCardiff

ATL - CWL

ATLCWL

Atlanta Hartsfield-Jackson

Thu 8/28

3:30 pm-9:15 am

1 stop12h 45m

Cardiff Wales

Thu 9/4

5:15 pm-8:25 pm

1 stop32h 10m

$1,530

AtlantaCardiff

ATL - CWL

ATLCWL

Atlanta Hartsfield-Jackson

Thu 8/28

2:05 pm-9:15 am

2 stops14h 10m

Cardiff Wales

Thu 9/4

9:50 am-8:25 pm

1 stop15h 35m

$1,536

AtlantaCardiff

ATL - CWL

ATLCWL

Atlanta Hartsfield-Jackson

Tue 8/26

3:30 pm-4:45 pm

1 stop20h 15m

Cardiff Wales

Tue 9/2

5:15 pm-1:30 pm

1 stop25h 15m

$1,554

AtlantaCardiff

ATL - CWL

ATLCWL

Atlanta Hartsfield-Jackson

Tue 8/26

7:10 pm-4:45 pm

2 stops16h 35m

Cardiff Wales

Tue 9/2

9:50 am-8:25 pm

1 stop15h 35m

$1,559

AtlantaCardiff

ATL - CWL

ATLCWL

Atlanta Hartsfield-Jackson

Tue 8/26

2:05 pm-9:15 am

2 stops14h 10m

Cardiff Wales

Tue 9/2

9:50 am-9:55 pm

2 stops17h 05m

$1,569

AtlantaCardiff

ATL - CWL

ATLCWL

Atlanta Hartsfield-Jackson

Tue 8/26

7:32 am-3:35 pm

3 stops27h 03m

Cardiff Wales

Tue 9/2

4:20 pm-4:55 am

3 stops41h 35m

$1,583

AtlantaCardiff

ATL - CWL

ATLCWL

Atlanta Hartsfield-Jackson

Tue 8/26

11:05 am-3:35 pm

2 stops23h 30m

Cardiff Wales

Tue 9/2

8:15 pm-9:41 pm

3 stops30h 26m

$2,156

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 Atlanta 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 day to depart on your flight to Cardiff?

The cheapest day to depart on your flight to Cardiff is on a Tuesday when prices can be found for as low as $786. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $2,865. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cardiff.

What is the cheapest time of day to depart on your flight to Cardiff?

Flying to Cardiff from Atlanta in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,514 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,520 on average. Flights to Cardiff from Atlanta in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Best Price Found

$417

Fastest flight time

12h 45m

Direct flights

None

Airports in Cardiff

1 airport
The best one-way flight to Cardiff from Atlanta in the past 72 hours is $417. The best round-trip flight deal from Atlanta to Cardiff found on momondo in the last 72 hours is $1,259.
The fastest flight from Atlanta to Cardiff takes 12h 45m
There are no direct flights from Atlanta to Cardiff. Popular non-direct route for this connection is Atlanta Hartsfield-Jackson Airport - Cardiff Wales Airport.
There is 1 airport near Cardiff: Cardiff Wales (CWL)
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 12h 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.

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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