Cheap flights from San Francisco (SFO) to Belfast from $251

This is the cheapest one-way flight price, found on 5/30. Prices may vary by date and flight preferences.
SFO — BHD
Jun 4 — Jun 111

How to find the cheapest flight from San Francisco (SFO) to Belfast

All the information you need to plan the best SFO to BF1 flight in 2023: compare San Francisco to Belfast flight prices with the expected peak season, weather and rainfall in Belfast.

Popular in

July

Cheapest in

October

Average price

$927

Round-trip from

$570
High demand for flights, 20% potential price rise
Best time to find cheap flights, 34% potential price drop
Average for round-trip flights in May 2023
From San Francisco to Belfast

SFO - BFS

Price

$570 - $1,078

BFS

Temperature

41 - 60.8 °F

BFS

Rainfall

2 - 3.5 inches

Cheap flights from San Francisco to Belfast in May, June 2023

The best prices found for SFO to Belfast flights for May, June
Check out some of the best flight deals from San Francisco to Belfast in 2023. Check back in a little while for more flight options.

San Francisco to Belfast 2023 flight deals

Cheap flights to Belfast from San Francisco found for this year
Check out some of the best flight deals from San Francisco to Belfast in 2023. Check back in a little while for more flight options.

Cheap British Airways flights from San Francisco to Belfast

Check out some of the cheapest British Airways flights we've come across from San Francisco to Belfast. It's recommended that users confirm their flight details before booking.

Cheap Delta flights from San Francisco to Belfast

Some of the lowest-priced Delta flights we've found at this time heading from San Francisco to Belfast. Deals frequently update to provide users with more options.

One-way flights to Belfast from San Francisco

The cheapest one-way flights from San Francisco to Belfast
Users in need of a one-way flight from San Francisco to Belfast can choose from these deals. Those needing a return flight from San Francisco to Belfast can use the search form above.

Find flights from San Francisco to Belfast within your budget

Use the slider to find flights from San Francisco to Belfast that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$668 - $1,407

Route

Depart

Return

Price

San FranciscoBelfast City

SFO - BHD

SFOBHD

San Francisco

Sun 9/17

2 stops30h 58m

Belfast City

Tue 10/3

1 stop15h 25m

San FranciscoBelfast City

SFO - BHD

SFOBHD

San Francisco

Tue 8/15

2 stops22h 15m

Belfast City

Thu 8/24

1 stop26h 35m

San FranciscoBelfast City

SFO - BHD

SFOBHD

San Francisco

Tue 8/15

1 stop16h 45m

Belfast City

Thu 8/24

1 stop15h 40m

San FranciscoBelfast City

SFO - BHD

SFOBHD

San Francisco

Sun 9/17

2 stops27h 48m

Belfast City

Tue 10/3

1 stop15h 35m

San FranciscoBelfast City

SFO - BHD

SFOBHD

San Francisco

Tue 8/15

2 stops22h 25m

Belfast City

Thu 8/24

2 stops32h 13m

San FranciscoBelfast City

SFO - BHD

SFOBHD

San Francisco

Sun 9/17

2 stops22h 20m

Belfast City

Tue 10/3

2 stops33h 45m

San FranciscoBelfast City

SFO - BHD

SFOBHD

San Francisco

Wed 11/1

1 stop14h 10m

Belfast City

Thu 11/23

2 stops18h 44m

San FranciscoBelfast City

SFO - BHD

SFOBHD

San Francisco

Wed 11/8

2 stops26h 50m

Belfast City

Wed 11/15

1 stop26h 50m

San FranciscoBelfast City

SFO - BHD

SFOBHD

San Francisco

Mon 6/19

1 stop31h 25m

Belfast City

Thu 6/29

1 stop15h 40m

Flights are sorted by cheapest first

Deals found on 5/30

Reviews of Airlines Servicing Belfast

See what other customers who have flown with British Airways, Delta and American Airlines from San Francisco to Belfast have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
2,359 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 10

Flights were on time with no delays, luggage arrived with the flight. I know the flights were short, but the only drinks offered were water, tea and coffee. It would’ve been nice to have the option to choose a soda, especially since I was in comfort class. The snacks were very small.

Delta
8.0
Very good
2,359 reviews
Delta
8.0
Very good
2,359 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 10

Flights were on time with no delays, luggage arrived with the flight. I know the flights were short, but the only drinks offered were water, tea and coffee. It would’ve been nice to have the option to choose a soda, especially since I was in comfort class. The snacks were very small.

Air France
7.6
Good
193 reviews
Delta
8.0
Very good
2,359 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 10

Flights were on time with no delays, luggage arrived with the flight. I know the flights were short, but the only drinks offered were water, tea and coffee. It would’ve been nice to have the option to choose a soda, especially since I was in comfort class. The snacks were very small.

KLM
7.6
Good
159 reviews
Delta
8.0
Very good
2,359 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 10

Flights were on time with no delays, luggage arrived with the flight. I know the flights were short, but the only drinks offered were water, tea and coffee. It would’ve been nice to have the option to choose a soda, especially since I was in comfort class. The snacks were very small.

American Airlines
7.4
Good
2,147 reviews
Delta
8.0
Very good
2,359 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 10

Flights were on time with no delays, luggage arrived with the flight. I know the flights were short, but the only drinks offered were water, tea and coffee. It would’ve been nice to have the option to choose a soda, especially since I was in comfort class. The snacks were very small.

Virgin Atlantic
6.9
Okay
133 reviews
Delta
8.0
Very good
2,359 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 10

Flights were on time with no delays, luggage arrived with the flight. I know the flights were short, but the only drinks offered were water, tea and coffee. It would’ve been nice to have the option to choose a soda, especially since I was in comfort class. The snacks were very small.

Related info for your journey

Useful info, stats and facts about San Francisco to Belfast flights.

Other flights from San Francisco

Top 2 airlines flying from San Francisco to Belfast

The chart below displays the airlines Cheapflights users traveling from San Francisco to Belfast choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
British AirwaysCheapest$570Average$893FlexibilityNo cancel feeOn-time70%COVID-19 safety
Search British Airways flights
American AirlinesCheapest$721Average$1,257FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
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