
Round-trip from | $670 (Cheapflightsfares) |
|---|---|
One-way from | $342 (KAYAK) |
Popular in | June |
Cheapest in | April |
Average price | $1,136 |
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Wed 2/11
5:30 pm-4:35 pm
1 stop15h 05m
Belfast City
Sun 2/15
10:40 am-6:45 pm
1 stop16h 05m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Fri 3/27
6:30 pm-7:15 pm
1 stop17h 45m
Belfast City
Thu 4/2
6:35 am-1:50 pm
1 stop15h 15m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Thu 3/26
9:40 pm-8:30 pm
1 stop15h 50m
Belfast City
Thu 4/2
6:35 am-1:50 pm
1 stop15h 15m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Sat 4/18
11:08 pm-11:30 am
2 stops28h 22m
Belfast City
Sat 4/25
7:00 pm-1:50 pm
1 stop26h 50m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Thu 3/26
6:30 pm-4:40 pm
1 stop15h 10m
Belfast City
Fri 4/3
6:35 am-1:50 pm
1 stop15h 15m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Tue 5/19
2:46 pm-7:25 pm
2 stops20h 39m
Belfast City
Thu 6/18
6:35 am-1:50 pm
1 stop15h 15m
San FranciscoBelfast
SFO - BFS
SFOBFS
San Francisco
Sat 1/24
4:40 pm-10:30 pm
2 stops21h 50m
Belfast Intl
Sat 1/31
11:10 pm-2:35 pm
3 stops47h 25m
San FranciscoBelfast
SFO - BFS
SFOBFS
San Francisco
Tue 5/19
7:45 pm-9:45 am
1 stop30h 00m
Belfast Intl
Thu 6/18
3:25 pm-1:35 pm
2 stops30h 10m
San FranciscoBelfast
SFO - BFS
SFOBFS
San Francisco
Fri 12/26
5:20 pm-10:00 pm
2 stops20h 40m
Belfast Intl
Fri 1/2
9:00 pm-12:40 pm
2 stops23h 40m
San FranciscoBelfast
SFO - BHD
SFOBHD
San Francisco
Wed 2/4
5:20 pm-5:20 pm
2 stops16h 00m
Currently, April is the cheapest month in which you can book a flight from San Francisco to Northern Ireland (average of $587). Flying from San Francisco to Northern Ireland in November is currently the most expensive (average of $1,032). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s typically best to fly out from San Francisco to Northern Ireland at noon. Doing so could potentially save you 29% on the flight price compared to flying in the morning, which is usually more expensive.
Food
Boarding
Overall
Comfort
Entertainment
Crew
Reviews
Anonymous,Aug 2025
IAD - LHR
Food
Boarding
Overall
Comfort
Entertainment
Crew
Reviews
Anonymous,Aug 2025
IAD - LHR
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$621 | Average$767 | FlexibilityNo cancel fee | On-time70% |