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

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Belfast. Visit our flight page for the latest deals!>/a>

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from California is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

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

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Belfast with an airline and back to California with another airline. Visit our flight page for the latest deals!>/a>

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

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belfast from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$176 CHEAP FLIGHTS from California to Belfast

KAYAK searches hundreds of travel sites at once for deals on flights to Belfast

...and more

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Cheapest round-trip

$571

British Airways

Wed 2/25Wed 3/4

SFO - BHD • 2 stops

Cheapest one-way

$176

British Airways

Mon 2/23

SFO - BHD • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Belfast!

Flight Deals

Cheap Flights from California to Belfast

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from California to Belfast that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from California to Belfast

Wed, Feb 25 - Wed, Mar 4

1:50 pm - 2:15 pm

SFO

BHD

16h 25m

2 stops

9:15 am - 6:45 pm

BHD

SFO

17h 30m

1 stop

$571British Airways

Wed, Feb 25 - Wed, Mar 4

1:50 pm - 2:15 pm

SFO

BHD

16h 25m

2 stops

12:25 pm - 11:47 pm

BHD

SFO

19h 22m

2 stops

$574British Airways

Sun, Feb 8 - Tue, Feb 24

5:30 pm - 4:50 pm

SFO

BHD

15h 20m

1 stop

11:25 am - 3:00 pm

BHD

SFO

35h 35m

1 stop

$575British Airways

Sun, Feb 8 - Tue, Feb 24

3:50 pm - 4:50 pm

SFO

BHD

17h 00m

2 stops

11:25 am - 11:10 pm

BHD

SFO

19h 45m

2 stops

$581British Airways

Tue, Feb 10 - Tue, Feb 17

8:40 pm - 8:15 am

SFO

BHD

27h 35m

1 stop

8:45 am - 3:00 pm

BHD

SFO

14h 15m

1 stop

$583British Airways

Tue, Feb 10 - Tue, Feb 17

8:40 pm - 8:15 am

SFO

BHD

27h 35m

1 stop

10:00 am - 11:10 pm

BHD

SFO

21h 10m

2 stops

$586British Airways

Tue, Feb 10 - Tue, Feb 17

7:30 am - 10:30 am

SFO

BHD

19h 00m

2 stops

8:45 am - 8:14 pm

BHD

SFO

19h 29m

2 stops

$589American Airlines

Fri, Jan 23 - Tue, Feb 3

5:30 pm - 7:15 pm

LAX

BHD

17h 45m

1 stop

6:35 am - 3:20 pm

BHD

LAX

16h 45m

1 stop

$638American Airlines

Fri, Jan 23 - Tue, Feb 3

8:28 am - 10:30 am

LAX

BHD

18h 02m

2 stops

8:45 am - 3:20 pm

BHD

LAX

14h 35m

1 stop

$642American Airlines

Thu, Feb 26 - Thu, Mar 5

7:10 pm - 11:45 pm

LAX

BFS

20h 35m

2 stops

9:25 pm - 4:35 pm

BFS

LAX

27h 10m

2 stops

$678Multiple Airlines

Useful Info

Cheapest flight	$176

Flight from San Francisco to Belfast City Airport

How does KAYAK find such low prices on flights from California to Belfast?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Belfast.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from California to Belfast?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from California is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from California to Belfast?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Belfast with an airline and back to California with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from California to Belfast?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belfast from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Belfast

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to California

First Class flights to Belfast

Business Class flights to Belfast

Prem Econ Class flights to Belfast

Economy Class flights to Belfast

$176 Find Cheap Flights from California to Belfast

KAYAK searches hundreds of travel sites at once for deals on flights to Belfast

Everything you should know

Cheap Flights from California to Belfast

Recent round-trip flight deals from California to Belfast

Recent one-way flight deals from California to Belfast

Good to know

FAQs for booking flights from California to Belfast

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

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from California to Belfast.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast from California is likely to change within 7 days, so travelers know whether to wait or book now.

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

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Belfast with an airline and back to California with another airline.

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

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Belfast from California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Belfast

Cabin class types available on flights to California

Complete your trip to Belfast with a hotel stay or car rental

Find direct flights for Belfast

Flights to other popular destinations

Flights from domestic origins to Belfast

Choose which airport to fly into in Belfast

Find deals for your return flight