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Cheap flights from Atlanta to Belfast from $436

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 11/29. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Atlanta to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:00 pm - 5:50 pm
ATL
-
BFS
21h 50m
2 stops
Multiple Airlines Logo
5:55 am - 8:40 pm
BFS
-
ATL
43h 45m
3 stops
$1,161Multiple Airlines
Tue, Aug 4 - Tue, Aug 11
Multiple Airlines Logo
6:10 pm - 3:15 pm
ATL
-
BFS
16h 05m
1 stop
Multiple Airlines Logo
7:30 am - 8:40 pm
BFS
-
ATL
42h 10m
3 stops
$1,162Multiple Airlines
Wed, Aug 5 - Wed, Aug 12
Multiple Airlines Logo
10:40 pm - 9:45 pm
ATL
-
BFS
18h 05m
2 stops
Multiple Airlines Logo
7:30 am - 8:40 pm
BFS
-
ATL
42h 10m
3 stops
$1,171Multiple Airlines
Wed, Aug 5 - Wed, Aug 12
Multiple Airlines Logo
3:00 pm - 11:05 am
ATL
-
BFS
15h 05m
2 stops
Multiple Airlines Logo
9:05 pm - 9:15 pm
BFS
-
ATL
29h 10m
3 stops
$1,177Multiple Airlines
Thu, Aug 6 - Thu, Aug 13
Multiple Airlines Logo
4:30 pm - 11:45 am
ATL
-
BFS
14h 15m
1 stop
Multiple Airlines Logo
10:45 pm - 9:04 pm
BFS
-
ATL
27h 19m
2 stops
$1,320Multiple Airlines
Wed, Aug 5 - Wed, Aug 12
Multiple Airlines Logo
10:55 pm - 6:55 pm
ATL
-
BFS
15h 00m
1 stop
Multiple Airlines Logo
6:40 am - 9:04 pm
BFS
-
ATL
19h 24m
2 stops
$1,346Multiple Airlines
Thu, Jul 23 - Thu, Jul 30
Multiple Airlines Logo
12:55 pm - 7:15 pm
ATL
-
BFS
25h 20m
2 stops
Multiple Airlines Logo
5:45 pm - 7:45 pm
BFS
-
ATL
31h 00m
2 stops
$1,416Multiple Airlines
Wed, Aug 5 - Wed, Aug 12
Multiple Airlines Logo
4:30 pm - 7:20 pm
ATL
-
BFS
21h 50m
2 stops
Multiple Airlines Logo
6:10 am - 7:50 pm
BFS
-
ATL
18h 40m
2 stops
$1,425Multiple Airlines
Thu, Jul 23 - Thu, Jul 30
Multiple Airlines Logo
3:00 pm - 5:50 pm
ATL
-
BFS
21h 50m
2 stops
Multiple Airlines Logo
1:35 pm - 7:45 pm
BFS
-
ATL
35h 10m
2 stops
$1,492Multiple Airlines
Tue, Aug 4 - Tue, Aug 11
Multiple Airlines Logo
10:30 pm - 10:50 pm
ATL
-
BFS
19h 20m
1 stop
Multiple Airlines Logo
7:30 am - 7:50 pm
BFS
-
ATL
17h 20m
1 stop
$1,508Multiple Airlines
Thu, Jul 23 - Thu, Jul 30

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momondo Fare Finder

 
Customize your flight search to find flights from Atlanta to Belfast Intl Airport 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 June 25, 2026.
Use the filters below to find and compare flights from Atlanta to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AtlantaBelfast

ATL - BFS

ATLBFS

Atlanta Hartsfield-Jackson

Tue 8/4

3:00 pm-5:50 pm

2 stops21h 50m

Belfast Intl

Tue 8/11

5:55 am-8:40 pm

3 stops43h 45m

$1,161

AtlantaBelfast

ATL - BFS

ATLBFS

Atlanta Hartsfield-Jackson

Wed 8/5

6:10 pm-3:15 pm

1 stop16h 05m

Belfast Intl

Wed 8/12

7:30 am-8:40 pm

3 stops42h 10m

$1,162

AtlantaBelfast

ATL - BFS

ATLBFS

Atlanta Hartsfield-Jackson

Wed 8/5

10:40 pm-9:45 pm

2 stops18h 05m

Belfast Intl

Wed 8/12

7:30 am-8:40 pm

3 stops42h 10m

$1,171

AtlantaBelfast

ATL - BFS

ATLBFS

Atlanta Hartsfield-Jackson

Thu 8/6

3:00 pm-11:05 am

2 stops15h 05m

Belfast Intl

Thu 8/13

9:05 pm-9:15 pm

3 stops29h 10m

$1,177

AtlantaBelfast

ATL - BFS

ATLBFS

Atlanta Hartsfield-Jackson

Wed 8/5

4:30 pm-11:45 am

1 stop14h 15m

Belfast Intl

Wed 8/12

10:45 pm-9:04 pm

2 stops27h 19m

$1,320
Quickest round-trip

AtlantaBelfast

ATL - BFS

ATLBFS

Atlanta Hartsfield-Jackson

Thu 7/23

10:55 pm-6:55 pm

1 stop15h 00m

Belfast Intl

Thu 7/30

6:40 am-9:04 pm

2 stops19h 24m

$1,346

AtlantaBelfast

ATL - BFS

ATLBFS

Atlanta Hartsfield-Jackson

Wed 8/5

12:55 pm-7:15 pm

2 stops25h 20m

Belfast Intl

Wed 8/12

5:45 pm-7:45 pm

2 stops31h 00m

$1,416

AtlantaBelfast

ATL - BFS

ATLBFS

Atlanta Hartsfield-Jackson

Thu 7/23

4:30 pm-7:20 pm

2 stops21h 50m

Belfast Intl

Thu 7/30

6:10 am-7:50 pm

2 stops18h 40m

$1,425

AtlantaBelfast

ATL - BFS

ATLBFS

Atlanta Hartsfield-Jackson

Tue 8/4

3:00 pm-5:50 pm

2 stops21h 50m

Belfast Intl

Tue 8/11

1:35 pm-7:45 pm

2 stops35h 10m

$1,492

AtlantaBelfast

ATL - BFS

ATLBFS

Atlanta Hartsfield-Jackson

Thu 7/23

10:30 pm-10:50 pm

1 stop19h 20m

Belfast Intl

Thu 7/30

7:30 am-7:50 pm

1 stop17h 20m

$1,508

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 Intl Airport

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 Intl Airport?

The month of January is, on average, the cheapest month to fly to Belfast Intl Airport from Atlanta, with most prices found around $0. If you’re not able to fly to Belfast Intl Airport in January, then March is your next best option. Flight prices from Atlanta to Belfast Intl Airport during March average around $679.

When to book flights from Atlanta to Belfast Intl Airport

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

Cheap Atlanta to Belfast Intl Airport (ATL to BFS) flight deals and tips

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

Fastest flight time

11h 00m

Direct flights

None
The fastest flight from Atlanta to Belfast Intl Airport takes 11h 00m
There are no direct flights from Atlanta to Belfast Intl Airport. There are no popular flight routes from Atlanta to Belfast Intl Airport.
Search flight deals

Frequently asked questions about flying from Atlanta to Belfast Intl Airport

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

    Atlanta Hartsfield-Jackson and Belfast Intl are 3901.6 mi apart from one another. Typically, this will take 11h 00m by plane in normal conditions.

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

    Prices for flights from Atlanta Hartsfield-Jackson Airport to Belfast Intl Airport are updated daily.

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

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

    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 Intl Airport.

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

    The required travel and health documents for your Belfast Intl Airport 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 Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Atlanta to Belfast Intl Airport?

Best airlines flying from Atlanta to Belfast Intl Airport

Compare and see reviews for airlines that fly from Atlanta to Belfast Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $641Free CancellationRating
6.7
8,071 reviews
Search British Airways flights
DeltaPriceFrom $973Free CancellationRating
7.8
8,453 reviews
Search Delta flights

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Armagh
Ballymena
Newry
Dungannon

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 enables you to select and highlight flights to Belfast from Atlanta with this policy.

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

Once all potential Atlanta to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Belfast, momondo offers a useful price alert feature which will track prices for flights to Belfast from Atlanta and alert you when they change.

An easier way to manage your Belfast Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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