Find cheap flights from San Francisco to Belfast Intl Airport

SFO - BFS

Find cheap flights from San Francisco to Belfast Intl Airport

Search hundreds of travel sites at once for deals on flights to Belfast Intl Airport. Bundle your flight + hotel and save!

Round-trip
Economy
San Francisco (SFO)
Belfast Intl
Tue 10/26
Tue 11/2
Any month
Bundle with KAYAK |
Include hotels

Good to know

Low season

MayBest time to beat the crowds with an average 31% drop in price.

High season

FebruaryMost popular time to fly with an average 45% increase in price.

Average price round-trip

$918(avg. price over the last 2 weeks)

Good deal round-trip

$617or less

Good deal one-way

$368or less

When to book flights from San Francisco to Belfast Intl Airport

Estimated round-trip price
Average price per month

Top tips for finding a cheap flight

  • Looking for a cheap flight? 25% of our users found flights on this route for $368 or less one-way and $617 or less round-trip.
  • High season is considered to be January, February and March. The cheapest month to fly is May.
  • Morning departure is around 19% cheaper than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for booking San Francisco to Belfast Intl Airport flights

How long does a flight from San Francisco to Belfast Intl Airport take?

Do I need a passport to fly between San Francisco and Belfast Intl Airport?

How does KAYAK find such low prices on flights from San Francisco to Belfast Intl Airport?

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to Belfast Intl Airport?

What is the Hacker Fare option on flights from San Francisco to Belfast Intl Airport?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to Belfast Intl Airport?

COVID-19 information

Safety measures for airlines flying from San Francisco to Belfast Intl Airport

Airlines flying from San Francisco to Belfast Intl Airport have enacted additional safety measures and adjusted policies to better accommodate travelers. Policies vary by airline.

Heightened sanitation

Daily cleaning, installation of cabin HEPA filters on flights from San Francisco to Belfast Intl Airport

Mandatory masks

Masks required on board, masks provided on flights from San Francisco to Belfast Intl Airport

Social distancing seating

Middle seats unavailable to book on flights from San Francisco to Belfast Intl Airport

Pre-flight testing

Testing for antibodies, testing for symptoms for flights from San Francisco to Belfast Intl Airport

Book cheap flights from San Francisco to Belfast Intl Airport

Recent round-trip flight deals

3/28
Mon
2 stops
Multiple Airlines
19h 40m
SFO - BFS
4/9
Sat
2 stops
Multiple Airlines
31h 10m
BFS - SFO
11/25
Thu
2 stops
Multiple Airlines
19h 00m
SFO - BFS
12/4
Sat
1 stop
Multiple Airlines
32h 55m
BFS - SFO
1/12
Wed
2 stops
Multiple Airlines
17h 10m
SFO - BFS
1/20
Thu
2 stops
Multiple Airlines
20h 15m
BFS - SFO
11/25
Thu
2 stops
Multiple Airlines
19h 00m
SFO - BFS
12/4
Sat
2 stops
Multiple Airlines
40h 10m
BFS - SFO
11/25
Thu
2 stops
Multiple Airlines
19h 00m
SFO - BFS
12/4
Sat
3 stops
Multiple Airlines
31h 05m
BFS - SFO
2/1
Tue
2 stops
Multiple Airlines
20h 30m
SFO - BFS
2/8
Tue
2 stops
Multiple Airlines
25h 00m
BFS - SFO
11/25
Thu
2 stops
Multiple Airlines
19h 25m
SFO - BFS
12/5
Sun
2 stops
Multiple Airlines
33h 20m
BFS - SFO
3/28
Mon
1 stop
Multiple Airlines
16h 45m
SFO - BFS
4/9
Sat
2 stops
Multiple Airlines
31h 10m
BFS - SFO
11/25
Thu
2 stops
Multiple Airlines
19h 00m
SFO - BFS
12/5
Sun
3 stops
Multiple Airlines
39h 40m
BFS - SFO
11/9
Tue
2 stops
Multiple Airlines
21h 10m
SFO - BFS
11/13
Sat
1 stop
Multiple Airlines
33h 05m
BFS - SFO
11/25
Thu
2 stops
Multiple Airlines
19h 00m
SFO - BFS
12/2
Thu
3 stops
Multiple Airlines
32h 00m
BFS - SFO
12/1
Wed
2 stops
Multiple Airlines
22h 10m
SFO - BFS
12/8
Wed
2 stops
Multiple Airlines
19h 25m
BFS - SFO
12/1
Wed
3 stops
Multiple Airlines
19h 45m
SFO - BFS
12/8
Wed
3 stops
Multiple Airlines
21h 35m
BFS - SFO
11/9
Tue
1 stop
Multiple Airlines
20h 00m
SFO - BFS
11/13
Sat
1 stop
Multiple Airlines
33h 05m
BFS - SFO
11/9
Tue
2 stops
Multiple Airlines
21h 10m
SFO - BFS
11/13
Sat
2 stops
Multiple Airlines
39h 10m
BFS - SFO
11/24
Wed
3 stops
Multiple Airlines
19h 45m
SFO - BFS
12/1
Wed
3 stops
Multiple Airlines
22h 10m
BFS - SFO
11/25
Thu
3 stops
Multiple Airlines
27h 30m
SFO - BFS
12/5
Sun
3 stops
Multiple Airlines
39h 40m
BFS - SFO
11/23
Tue
2 stops
Multiple Airlines
21h 10m
SFO - BFS
12/1
Wed
3 stops
Multiple Airlines
40h 55m
BFS - SFO
11/23
Tue
3 stops
Multiple Airlines
27h 25m
SFO - BFS
12/1
Wed
3 stops
Multiple Airlines
40h 55m
BFS - SFO
11/9
Tue
2 stops
Multiple Airlines
21h 10m
SFO - BFS
11/13
Sat
3 stops
Multiple Airlines
45h 10m
BFS - SFO
Show more results

Recent one-way flight deals

1/1
Sat
2 stops
Multiple Airlines
43h 35m
SFO - BFS
1/1
Sat
3 stops
Multiple Airlines
30h 10m
SFO - BFS

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