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Cheap flights from Atlanta to Belfast from $486

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 8/20. 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

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Find the cheapest flights from Atlanta to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
10:15 pm - 6:40 pmATL  Atlanta Hartsfield-Jackson-BHD Belfast City
15h 25m1 stop London Heathrow
British Airways Logo
6:35 am - 8:15 pmBHD  Belfast City-ATL Atlanta Hartsfield-Jackson
18h 40m1 stop London Heathrow
$908British Airways
Sun, Nov 8 - Wed, Nov 11
American Airlines Logo
10:35 pm - 6:45 pmATL  Atlanta Hartsfield-Jackson-BHD Belfast City
15h 10m1 stop London Heathrow
American Airlines Logo
6:30 am - 9:52 pmBHD  Belfast City-ATL Atlanta Hartsfield-Jackson
20h 22m2 stops London Heathrow Charlotte Douglas
$1,026American Airlines
Sun, Sep 6 - Sun, Sep 13
American Airlines Logo
6:18 pm - 5:40 pmATL  Atlanta Hartsfield-Jackson-BHD Belfast City
18h 22m2 stops Philadelphia London Heathrow
American Airlines Logo
6:30 am - 9:52 pmBHD  Belfast City-ATL Atlanta Hartsfield-Jackson
20h 22m2 stops London Heathrow Charlotte Douglas
$1,031American Airlines
Sun, Sep 6 - Sun, Sep 13
Multiple Airlines Logo
3:55 pm - 7:55 pmATL  Atlanta Hartsfield-Jackson-BFS Belfast Intl
23h 00m2 stops Frankfurt am Main Palma de Mallorca Son Sant Joan
Multiple Airlines Logo
9:05 pm - 12:45 amBFS  Belfast Intl-ATL Atlanta Hartsfield-Jackson
32h 40m3 stops Palma de Mallorca Son Sant Joan Frankfurt am Main Washington, D.C. Dulles Intl
$1,081Multiple Airlines
Thu, Sep 3 - Thu, Sep 10
British Airways Logo
10:35 pm - 6:45 pmATL  Atlanta Hartsfield-Jackson-BHD Belfast City
15h 10m1 stop London Heathrow
British Airways Logo
12:45 pm - 8:40 pmBHD  Belfast City-ATL Atlanta Hartsfield-Jackson
12h 55m1 stop London Heathrow
$1,087British Airways
Thu, Sep 3 - Thu, Sep 10
Multiple Airlines Logo
8:05 pm - 1:45 pmATL  Atlanta Hartsfield-Jackson-BFS Belfast Intl
12h 40m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
8:55 pm - 8:53 amBFS  Belfast Intl-ATL Atlanta Hartsfield-Jackson
40h 58m2 stops London Gatwick Orlando
$1,093Multiple Airlines
Wed, Sep 9 - Tue, Sep 15
British Airways Logo
10:35 pm - 6:45 pmATL  Atlanta Hartsfield-Jackson-BHD Belfast City
15h 10m1 stop London Heathrow
British Airways Logo
6:30 am - 7:32 pmBHD  Belfast City-ATL Atlanta Hartsfield-Jackson
18h 02m2 stops London Heathrow Chicago O'Hare Intl
$1,126British Airways
Thu, Sep 3 - Thu, Sep 10
British Airways Logo
12:49 pm - 10:20 amATL  Atlanta Hartsfield-Jackson-BHD Belfast City
16h 31m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
9:15 am - 8:15 pmBHD  Belfast City-ATL Atlanta Hartsfield-Jackson
16h 00m1 stop London Heathrow
$1,132British Airways
Sun, Nov 8 - Wed, Nov 11
British Airways Logo
12:49 pm - 1:55 pmATL  Atlanta Hartsfield-Jackson-BHD Belfast City
20h 06m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
6:35 am - 8:15 pmBHD  Belfast City-ATL Atlanta Hartsfield-Jackson
18h 40m1 stop London Heathrow
$1,133British Airways
Sun, Nov 8 - Wed, Nov 11
British Airways Logo
7:22 pm - 4:50 pmATL  Atlanta Hartsfield-Jackson-BHD Belfast City
16h 28m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
6:35 am - 8:26 pmBHD  Belfast City-ATL Atlanta Hartsfield-Jackson
18h 51m2 stops London Heathrow Miami
$1,142British Airways
Sun, Nov 8 - Wed, Nov 11

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British Airways flights from Atlanta to Belfast

Our best British Airways deals on Atlanta to Belfast flight tickets
British Airways
Nov 8
ATL10:15 pmAtlanta Hartsfield-Jackson
15h 25m
1 stop
BHD6:40 pmBelfast City
Nov 11
BHD6:35 amBelfast City
18h 40m
1 stop
ATL8:15 pmAtlanta Hartsfield-Jackson
$908
British Airways
Aug 18
ATL10:35 pmAtlanta Hartsfield-Jackson
15h 20m
1 stop
BHD6:55 pmBelfast City
Aug 27
BHD6:30 amBelfast City
19h 10m
1 stop
ATL8:40 pmAtlanta Hartsfield-Jackson
$1,032
British Airways
Aug 18
ATL2:03 pmAtlanta Hartsfield-Jackson
15h 32m
2 stops
BHD10:35 amBelfast City
Aug 27
BHD6:30 amBelfast City
19h 10m
1 stop
ATL8:40 pmAtlanta Hartsfield-Jackson
$1,054

American Airlines flights from Atlanta to Belfast

Our best American Airlines deals on Atlanta to Belfast flight tickets
American Airlines
Sep 6
ATL10:35 pmAtlanta Hartsfield-Jackson
15h 10m
1 stop
BHD6:45 pmBelfast City
Sep 13
BHD6:30 amBelfast City
20h 22m
2 stops
ATL9:52 pmAtlanta Hartsfield-Jackson
$1,026
American Airlines
Sep 6
ATL6:18 pmAtlanta Hartsfield-Jackson
18h 22m
2 stops
BHD5:40 pmBelfast City
Sep 13
BHD6:30 amBelfast City
20h 22m
2 stops
ATL9:52 pmAtlanta Hartsfield-Jackson
$1,031
American Airlines
Sep 6
ATL10:35 pmAtlanta Hartsfield-Jackson
14h 05m
1 stop
BHD5:40 pmBelfast City
Sep 13
BHD6:30 amBelfast City
19h 10m
1 stop
ATL8:40 pmAtlanta Hartsfield-Jackson
$1,347

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated August 10, 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 round-trip

AtlantaBelfast

ATL Atlanta Hartsfield-Jackson - BHD Belfast City

ATLBHD

Atlanta Hartsfield-Jackson

Sun 11/8

10:15 pm-6:40 pm

1 stop15h 25m

Belfast City

Wed 11/11

6:35 am-8:15 pm

1 stop18h 40m

$908

AtlantaBelfast

ATL Atlanta Hartsfield-Jackson - BHD Belfast City

ATLBHD

Atlanta Hartsfield-Jackson

Sun 9/6

10:35 pm-6:45 pm

1 stop15h 10m

Belfast City

Sun 9/13

6:30 am-9:52 pm

2 stops20h 22m

$1,026

AtlantaBelfast

ATL Atlanta Hartsfield-Jackson - BHD Belfast City

ATLBHD

Atlanta Hartsfield-Jackson

Sun 9/6

6:18 pm-5:40 pm

2 stops18h 22m

Belfast City

Sun 9/13

6:30 am-9:52 pm

2 stops20h 22m

$1,031

AtlantaBelfast

ATL Atlanta Hartsfield-Jackson - BFS Belfast Intl

ATLBFS

Atlanta Hartsfield-Jackson

Thu 9/3

3:55 pm-7:55 pm

2 stops23h 00m

Belfast Intl

Thu 9/10

9:05 pm-12:45 am

3 stops32h 40m

$1,081
Quickest round-trip

AtlantaBelfast

ATL Atlanta Hartsfield-Jackson - BHD Belfast City

ATLBHD

Atlanta Hartsfield-Jackson

Thu 9/3

10:35 pm-6:45 pm

1 stop15h 10m

Belfast City

Thu 9/10

12:45 pm-8:40 pm

1 stop12h 55m

$1,087

AtlantaBelfast

ATL Atlanta Hartsfield-Jackson - BFS Belfast Intl

ATLBFS

Atlanta Hartsfield-Jackson

Wed 9/9

8:05 pm-1:45 pm

1 stop12h 40m

Belfast Intl

Tue 9/15

8:55 pm-8:53 am

2 stops40h 58m

$1,093

AtlantaBelfast

ATL Atlanta Hartsfield-Jackson - BHD Belfast City

ATLBHD

Atlanta Hartsfield-Jackson

Thu 9/3

10:35 pm-6:45 pm

1 stop15h 10m

Belfast City

Thu 9/10

6:30 am-7:32 pm

2 stops18h 02m

$1,126

AtlantaBelfast

ATL Atlanta Hartsfield-Jackson - BHD Belfast City

ATLBHD

Atlanta Hartsfield-Jackson

Sun 11/8

12:49 pm-10:20 am

2 stops16h 31m

Belfast City

Wed 11/11

9:15 am-8:15 pm

1 stop16h 00m

$1,132

AtlantaBelfast

ATL Atlanta Hartsfield-Jackson - BHD Belfast City

ATLBHD

Atlanta Hartsfield-Jackson

Sun 11/8

12:49 pm-1:55 pm

2 stops20h 06m

Belfast City

Wed 11/11

6:35 am-8:15 pm

1 stop18h 40m

$1,133

AtlantaBelfast

ATL Atlanta Hartsfield-Jackson - BHD Belfast City

ATLBHD

Atlanta Hartsfield-Jackson

Sun 11/8

7:22 pm-4:50 pm

2 stops16h 28m

Belfast City

Wed 11/11

6:35 am-8:26 pm

2 stops18h 51m

$1,142

Flights are sorted by cheapest round-trip 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?

In general, July is the cheapest month to fly from Atlanta to Belfast. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you don’t want to visit Belfast in July, then you should wait until January to fly from Atlanta, when ticket prices are also cheap, with an average price 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?

    A flight from Atlanta Hartsfield-Jackson to Belfast will travel around 3913.6 mi. A reasonable flight in good conditions will take 13h 35m.

  • 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 are updated daily.

  • How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to Belfast?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Atlanta Hartsfield-Jackson Airport to Belfast.

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

    The required travel and health documents for your Belfast trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Belfast. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Atlanta to Belfast

Compare and see reviews for airlines that fly from Atlanta to Belfast with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $641Free CancellationRating
6.7
8,153 reviews
Search British Airways flights
DeltaPriceFrom $973Free CancellationRating
7.8
8,497 reviews
Search Delta flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Belfast from Atlanta.

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

momondo does allow users to show only those flights to Belfast from Atlanta which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Atlanta to Belfast flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Atlanta to Belfast flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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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