Find cheap flights from California to Belfast Intl Airport

BFS

Find cheap flights from California 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
Boston (BOS)
Belfast Intl
Fri 12/3
Fri 12/10
Any month
Bundle with KAYAK |
Include hotels

Good to know

Low season

November

High season

June

Average price round-trip

$984

Good deal round-trip

$668

Good deal one-way

$272
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly with an average 16% increase in price.
(avg. price over the last 2 weeks)
or less
or less

FAQs for booking California to Belfast Intl Airport flights

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

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

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

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

COVID-19 information

Safety measures for airlines flying from California to Belfast Intl Airport

Airlines flying from California 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 California to Belfast Intl Airport

Mandatory masks

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

Social distancing seating

Middle seats unavailable to book on flights from California to Belfast Intl Airport

Pre-flight testing

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

Book cheap flights from California to Belfast Intl Airport

Recent round-trip flight deals

4/4
Mon
1 stop
Multiple Airlines
19h 40m
SFO - BFS
4/11
Mon
1 stop
Multiple Airlines
29h 50m
BFS - SFO
1/20
Thu
2 stops
Multiple Airlines
19h 00m
SFO - BFS
1/29
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1 stop
Multiple Airlines
33h 05m
BFS - SFO
4/4
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1 stop
Multiple Airlines
19h 40m
SFO - BFS
4/11
Mon
2 stops
Multiple Airlines
32h 10m
BFS - SFO
4/4
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2 stops
Multiple Airlines
18h 40m
SFO - BFS
4/11
Mon
2 stops
Multiple Airlines
25h 55m
BFS - SFO
2/26
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2 stops
Multiple Airlines
24h 50m
LAX - BFS
3/6
Sun
2 stops
Multiple Airlines
31h 20m
BFS - LAX
1/20
Thu
2 stops
Multiple Airlines
21h 40m
SFO - BFS
1/29
Sat
2 stops
Multiple Airlines
39h 10m
BFS - SFO
1/20
Thu
2 stops
Multiple Airlines
19h 00m
SFO - BFS
1/29
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3 stops
Multiple Airlines
31h 05m
BFS - SFO
2/26
Sat
2 stops
Multiple Airlines
23h 55m
SFO - BFS
3/6
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2 stops
Multiple Airlines
30h 05m
BFS - SFO
2/11
Fri
3 stops
Multiple Airlines
25h 38m
LAX - BFS
2/15
Tue
3 stops
Multiple Airlines
23h 16m
BFS - LAX
2/11
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2 stops
Multiple Airlines
24h 15m
LAX - BFS
2/15
Tue
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Multiple Airlines
23h 16m
BFS - LAX
5/19
Thu
2 stops
Multiple Airlines
19h 15m
LAX - BFS
5/31
Tue
2 stops
Multiple Airlines
19h 55m
BFS - LAX
5/8
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2 stops
Multiple Airlines
16h 20m
LAX - BFS
5/14
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2 stops
Multiple Airlines
36h 40m
BFS - LAX
1/18
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1 stop
Multiple Airlines
17h 45m
SFO - BFS
1/21
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3 stops
Multiple Airlines
22h 10m
BFS - SFO
1/18
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2 stops
Multiple Airlines
19h 57m
SFO - BFS
1/21
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3 stops
Multiple Airlines
22h 10m
BFS - SFO
1/18
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1 stop
Multiple Airlines
15h 55m
SFO - BFS
1/21
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2 stops
Multiple Airlines
21h 15m
BFS - SFO
3/6
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2 stops
Multiple Airlines
17h 35m
LAX - BFS
3/12
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2 stops
Multiple Airlines
28h 10m
BFS - LAX
2/26
Sat
3 stops
Multiple Airlines
28h 20m
LAX - BFS
3/6
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3 stops
Multiple Airlines
37h 46m
BFS - LAX
2/26
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2 stops
Multiple Airlines
18h 30m
SFO - BFS
3/6
Sun
3 stops
Multiple Airlines
24h 24m
BFS - SFO
2/26
Sat
2 stops
Multiple Airlines
23h 15m
LAX - BFS
3/6
Sun
3 stops
Multiple Airlines
37h 46m
BFS - LAX
1/18
Tue
3 stops
Multiple Airlines
19h 30m
SFO - BFS
1/21
Fri
3 stops
Multiple Airlines
22h 10m
BFS - SFO
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Recent one-way flight deals

4/21
Thu
2 stops
Multiple Airlines
37h 15m
LAX - BFS
12/23
Thu
3 stops
Multiple Airlines
27h 15m
SFO - BFS
12/23
Thu
3 stops
Multiple Airlines
26h 10m
LAX - BFS
12/23
Thu
2 stops
Multiple Airlines
23h 00m
SFO - BFS
12/23
Thu
2 stops
Multiple Airlines
24h 10m
LAX - BFS
12/23
Thu
3 stops
Multiple Airlines
29h 35m
OAK - BFS
12/16
Thu
3 stops
Multiple Airlines
36h 35m
SFO - BFS
12/16
Thu
2 stops
Multiple Airlines
31h 35m
SFO - BFS
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