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Cheap flights from Atlanta to Belfast from £360

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 Belfast departing on 20/8. 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 Atlanta to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
22:15 - 18:40ATL  Atlanta Hartsfield-Jackson-BHD Belfast City
15h 25m1 stop London Heathrow
British Airways Logo
06:35 - 20:15BHD  Belfast City-ATL Atlanta Hartsfield-Jackson
18h 40m1 stop London Heathrow
£673British Airways
Sun, 8 Nov - Wed, 11 Nov
American Airlines Logo
22:35 - 18:45ATL  Atlanta Hartsfield-Jackson-BHD Belfast City
15h 10m1 stop London Heathrow
American Airlines Logo
06:30 - 21:52BHD  Belfast City-ATL Atlanta Hartsfield-Jackson
20h 22m2 stops London Heathrow Charlotte Douglas
£760American Airlines
Sun, 6 Sep - Sun, 13 Sep
American Airlines Logo
18:18 - 17:40ATL  Atlanta Hartsfield-Jackson-BHD Belfast City
18h 22m2 stops Philadelphia London Heathrow
American Airlines Logo
06:30 - 21:52BHD  Belfast City-ATL Atlanta Hartsfield-Jackson
20h 22m2 stops London Heathrow Charlotte Douglas
£764American Airlines
Sun, 6 Sep - Sun, 13 Sep
Multiple Airlines Logo
15:55 - 19:55ATL  Atlanta Hartsfield-Jackson-BFS Belfast Intl
23h 00m2 stops Frankfurt am Main Palma de Mallorca Son Sant Joan
Multiple Airlines Logo
21:05 - 00:45BFS  Belfast Intl-ATL Atlanta Hartsfield-Jackson
32h 40m3 stops Palma de Mallorca Son Sant Joan Frankfurt am Main Washington, D.C. Dulles Intl
£801Multiple Airlines
Thu, 3 Sep - Thu, 10 Sep
British Airways Logo
22:35 - 18:45ATL  Atlanta Hartsfield-Jackson-BHD Belfast City
15h 10m1 stop London Heathrow
British Airways Logo
12:45 - 20:40BHD  Belfast City-ATL Atlanta Hartsfield-Jackson
12h 55m1 stop London Heathrow
£805British Airways
Thu, 3 Sep - Thu, 10 Sep
Multiple Airlines Logo
20:05 - 13:45ATL  Atlanta Hartsfield-Jackson-BFS Belfast Intl
12h 40m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
20:55 - 08:53BFS  Belfast Intl-ATL Atlanta Hartsfield-Jackson
40h 58m2 stops London Gatwick Orlando
£810Multiple Airlines
Wed, 9 Sep - Tue, 15 Sep
British Airways Logo
22:35 - 18:45ATL  Atlanta Hartsfield-Jackson-BHD Belfast City
15h 10m1 stop London Heathrow
British Airways Logo
06:30 - 19:32BHD  Belfast City-ATL Atlanta Hartsfield-Jackson
18h 02m2 stops London Heathrow Chicago O'Hare Intl
£834British Airways
Thu, 3 Sep - Thu, 10 Sep
British Airways Logo
12:49 - 10:20ATL  Atlanta Hartsfield-Jackson-BHD Belfast City
16h 31m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
09:15 - 20:15BHD  Belfast City-ATL Atlanta Hartsfield-Jackson
16h 00m1 stop London Heathrow
£839British Airways
Sun, 8 Nov - Wed, 11 Nov
British Airways Logo
12:49 - 13:55ATL  Atlanta Hartsfield-Jackson-BHD Belfast City
20h 06m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
06:35 - 20:15BHD  Belfast City-ATL Atlanta Hartsfield-Jackson
18h 40m1 stop London Heathrow
£839British Airways
Sun, 8 Nov - Wed, 11 Nov
British Airways Logo
19:22 - 16:50ATL  Atlanta Hartsfield-Jackson-BHD Belfast City
16h 28m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
06:35 - 20:26BHD  Belfast City-ATL Atlanta Hartsfield-Jackson
18h 51m2 stops London Heathrow Miami
£846British Airways
Sun, 8 Nov - Wed, 11 Nov

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British Airways flights from Atlanta to Belfast

Our best British Airways deals on Atlanta to Belfast flight tickets
British Airways
8 Nov
ATL22:15Atlanta Hartsfield-Jackson
15h 25m
1 stop
BHD18:40Belfast City
11 Nov
BHD06:35Belfast City
18h 40m
1 stop
ATL20:15Atlanta Hartsfield-Jackson
£673
British Airways
18 Aug
ATL22:35Atlanta Hartsfield-Jackson
15h 20m
1 stop
BHD18:55Belfast City
27 Aug
BHD06:30Belfast City
19h 10m
1 stop
ATL20:40Atlanta Hartsfield-Jackson
£765
British Airways
18 Aug
ATL14:03Atlanta Hartsfield-Jackson
15h 32m
2 stops
BHD10:35Belfast City
27 Aug
BHD06:30Belfast City
19h 10m
1 stop
ATL20:40Atlanta Hartsfield-Jackson
£781

American Airlines flights from Atlanta to Belfast

Our best American Airlines deals on Atlanta to Belfast flight tickets
American Airlines
6 Sept
ATL22:35Atlanta Hartsfield-Jackson
15h 10m
1 stop
BHD18:45Belfast City
13 Sept
BHD06:30Belfast City
20h 22m
2 stops
ATL21:52Atlanta Hartsfield-Jackson
£760
American Airlines
6 Sept
ATL18:18Atlanta Hartsfield-Jackson
18h 22m
2 stops
BHD17:40Belfast City
13 Sept
BHD06:30Belfast City
20h 22m
2 stops
ATL21:52Atlanta Hartsfield-Jackson
£764
American Airlines
6 Sept
ATL22:35Atlanta Hartsfield-Jackson
14h 05m
1 stop
BHD17:40Belfast City
13 Sept
BHD06:30Belfast City
19h 10m
1 stop
ATL20:40Atlanta Hartsfield-Jackson
£998

momondo Fare Finder

 
Customise your flight search to find flights from Atlanta to Belfast 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 279,928 searches. Data last updated 10 August 2026.
Use the filters below to find and compare flights from Atlanta to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AtlantaBelfast

ATL Atlanta Hartsfield-Jackson - BHD Belfast City

ATLBHD

Atlanta Hartsfield-Jackson

Sun 8/11

22:15-18:40

1 stop15h 25m

Belfast City

Wed 11/11

06:35-20:15

1 stop18h 40m

£673

AtlantaBelfast

ATL Atlanta Hartsfield-Jackson - BHD Belfast City

ATLBHD

Atlanta Hartsfield-Jackson

Sun 6/9

22:35-18:45

1 stop15h 10m

Belfast City

Sun 13/9

06:30-21:52

2 stops20h 22m

£760

AtlantaBelfast

ATL Atlanta Hartsfield-Jackson - BHD Belfast City

ATLBHD

Atlanta Hartsfield-Jackson

Sun 6/9

18:18-17:40

2 stops18h 22m

Belfast City

Sun 13/9

06:30-21:52

2 stops20h 22m

£764

AtlantaBelfast

ATL Atlanta Hartsfield-Jackson - BFS Belfast Intl

ATLBFS

Atlanta Hartsfield-Jackson

Thu 3/9

15:55-19:55

2 stops23h 00m

Belfast Intl

Thu 10/9

21:05-00:45

3 stops32h 40m

£801
Fastest return journey

AtlantaBelfast

ATL Atlanta Hartsfield-Jackson - BHD Belfast City

ATLBHD

Atlanta Hartsfield-Jackson

Thu 3/9

22:35-18:45

1 stop15h 10m

Belfast City

Thu 10/9

12:45-20:40

1 stop12h 55m

£805

AtlantaBelfast

ATL Atlanta Hartsfield-Jackson - BFS Belfast Intl

ATLBFS

Atlanta Hartsfield-Jackson

Wed 9/9

20:05-13:45

1 stop12h 40m

Belfast Intl

Tue 15/9

20:55-08:53

2 stops40h 58m

£810

AtlantaBelfast

ATL Atlanta Hartsfield-Jackson - BHD Belfast City

ATLBHD

Atlanta Hartsfield-Jackson

Thu 3/9

22:35-18:45

1 stop15h 10m

Belfast City

Thu 10/9

06:30-19:32

2 stops18h 02m

£834

AtlantaBelfast

ATL Atlanta Hartsfield-Jackson - BHD Belfast City

ATLBHD

Atlanta Hartsfield-Jackson

Sun 8/11

12:49-10:20

2 stops16h 31m

Belfast City

Wed 11/11

09:15-20:15

1 stop16h 00m

£839

AtlantaBelfast

ATL Atlanta Hartsfield-Jackson - BHD Belfast City

ATLBHD

Atlanta Hartsfield-Jackson

Sun 8/11

12:49-13:55

2 stops20h 06m

Belfast City

Wed 11/11

06:35-20:15

1 stop18h 40m

£839

AtlantaBelfast

ATL Atlanta Hartsfield-Jackson - BHD Belfast City

ATLBHD

Atlanta Hartsfield-Jackson

Sun 8/11

19:22-16:50

2 stops16h 28m

Belfast City

Wed 11/11

06:35-20:26

2 stops18h 51m

£846

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from Atlanta to Belfast

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 month to fly to Belfast?

The cheapest month to fly to Belfast from Atlanta is in July. Flight prices, which tend to average around £0, are often lower during this time because this is during the off-season. If you aren’t able to travel to Belfast during the month of July, then flying in January is also cheap. Prices for this month can be found on momondo for an average of £0.

Cheap Atlanta to Belfast flight deals and tips

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

Fastest flight time

13h 35m

Direct flights

None
The fastest flight from Atlanta to Belfast takes 13h 35m
There are no direct flights from Atlanta to Belfast. There are no popular flight routes from Atlanta to Belfast.
Search flight deals

Frequently asked questions about flying from Atlanta to Belfast

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

    The straight-line distance from Atlanta Hartsfield-Jackson to Belfast is 3913.6 mi. Flights usually cover this in 13h 35m, depending on flying conditions and air traffic around both airports.

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

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

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

    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 Belfast.

  • What documentation or ID do you need to fly to Belfast?

    The travel and health documents you'll need for your trip to Belfast 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 Belfast. 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 Belfast?

Finding the right flight to Belfast 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 Belfast quick and easy, saving you time and money.

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

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

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

momondo provides multiple filters to help you find the best flight to Belfast from Atlanta. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Belfast from Atlanta are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport