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Cheap flights from Atlanta to Belfast from $1,154

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 Belfast departing on 9/19. 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 Belfast

Cheap round-trip flights

Logo
2:50 pm - 1:30 pmATL-BFS
17h 40m3 stops
Logo
7:45 am - 6:50 amBFS-ATL
28h 05m2 stops
$1,154
Find Deal
vie., sep. 19 - sáb., sep. 27
Logo
2:50 pm - 1:30 pmATL-BFS
17h 40m3 stops
Logo
7:45 am - 6:53 amBFS-ATL
28h 08m3 stops
$1,252
Find Deal
vie., sep. 19 - sáb., sep. 27
Logo
7:47 am - 1:30 pmATL-BFS
24h 43m2 stops
Logo
7:35 pm - 8:35 pmBFS-ATL
30h 00m1 stop
$1,432
Find Deal
vie., sep. 19 - sáb., sep. 27
Logo
7:55 pm - 11:55 pmATL-BFS
23h 00m2 stops
Logo
5:45 am - 6:50 amBFS-ATL
30h 05m2 stops
$1,550
Find Deal
vie., sep. 19 - sáb., sep. 27
Logo
6:00 am - 6:35 pmATL-BFS
31h 35m3 stops
Logo
5:45 am - 1:07 pmBFS-ATL
36h 22m3 stops
$1,683
Find Deal
mié., ago. 13 - sáb., ago. 16
Logo
4:00 pm - 6:35 pmATL-BFS
21h 35m2 stops
Logo
5:45 am - 1:07 pmBFS-ATL
36h 22m3 stops
$1,861
Find Deal
mié., ago. 13 - sáb., ago. 16
Logo
11:05 am - 6:35 pmATL-BFS
26h 30m2 stops
Logo
5:45 am - 6:54 amBFS-ATL
30h 09m2 stops
$2,109
Find Deal
mié., ago. 13 - sáb., ago. 16

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 julio 31, 2025.
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

AtlantaBelfast

ATL - BFS

ATLBFS

Atlanta Hartsfield-Jackson

vie. 9/19

2:50 pm-1:30 pm

3 stops17h 40m

Belfast Intl

sáb. 9/27

7:45 am-6:50 am

2 stops28h 05m

$1,154

AtlantaBelfast

ATL - BFS

ATLBFS

Atlanta Hartsfield-Jackson

vie. 9/19

2:50 pm-1:30 pm

3 stops17h 40m

Belfast Intl

sáb. 9/27

7:45 am-6:53 am

3 stops28h 08m

$1,252

AtlantaBelfast

ATL - BFS

ATLBFS

Atlanta Hartsfield-Jackson

vie. 9/19

7:47 am-1:30 pm

2 stops24h 43m

Belfast Intl

sáb. 9/27

7:35 pm-8:35 pm

1 stop30h 00m

$1,432

AtlantaBelfast

ATL - BFS

ATLBFS

Atlanta Hartsfield-Jackson

vie. 9/19

7:55 pm-11:55 pm

2 stops23h 00m

Belfast Intl

sáb. 9/27

5:45 am-6:50 am

2 stops30h 05m

$1,550

AtlantaBelfast

ATL - BFS

ATLBFS

Atlanta Hartsfield-Jackson

mié. 8/13

6:00 am-6:35 pm

3 stops31h 35m

Belfast Intl

sáb. 8/16

5:45 am-1:07 pm

3 stops36h 22m

$1,683

AtlantaBelfast

ATL - BFS

ATLBFS

Atlanta Hartsfield-Jackson

mié. 8/13

4:00 pm-6:35 pm

2 stops21h 35m

Belfast Intl

sáb. 8/16

5:45 am-1:07 pm

3 stops36h 22m

$1,861

AtlantaBelfast

ATL - BFS

ATLBFS

Atlanta Hartsfield-Jackson

mié. 8/13

11:05 am-6:35 pm

2 stops26h 30m

Belfast Intl

sáb. 8/16

5:45 am-6:54 am

2 stops30h 09m

$2,109

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 February is, on average, the cheapest month to fly to Belfast Intl Airport from Atlanta, with most prices found around $744. If you’re not able to fly to Belfast Intl Airport in February, then April is your next best option. Flight prices from Atlanta to Belfast Intl Airport during April average around $793.

What is the cheapest day to depart on your flight to Belfast Intl Airport?

The cheapest day to depart on your flight to Belfast Intl Airport is on a Saturday when prices can be found for as low as $1,011. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Atlanta to Belfast Intl Airport for around $1,167.

What is the cheapest time of day to depart on your flight to Belfast Intl Airport?

In the afternoon is the cheapest time of day to fly from Atlanta to Belfast Intl Airport when you can find flight prices for as low as $808. Flying to Belfast Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Belfast Intl Airport is in the evening when prices are around $1,147.

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

Best Price Found

$1,154

Fastest flight time

17h 40m

Direct flights

None
The best flight deal from Atlanta to Belfast Intl Airport found on momondo in the last 72 hours is $1,154
The fastest flight from Atlanta to Belfast Intl Airport takes 17h 40m
There are no direct flights from Atlanta to Belfast Intl Airport. Popular non-direct route for this connection is Atlanta Hartsfield-Jackson Airport - Belfast Intl Airport.
Search flight deals

  • 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 17h 40m 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 $719Free CancellationRating
6.6
7,222 reviews
Search British Airways flights

Traveling to a place near Belfast?

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

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