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>

$342 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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41.299.237 searches in the past 7 days on KAYAK

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$549

British Airways

Sun 2/1Thu 2/26

SFO - BHD • 1 stop

Cheapest one-way

$342

Multiple Airlines

Fri 2/6

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

Last minute

Recent round-trip flight deals from California to Belfast

Sun, Feb 1 - Thu, Feb 26

8:40 pm - 8:15 pmSFO-BHD

15h 35m1 stop

11:05 am - 6:45 pmBHD-SFO

15h 40m1 stop

$549British Airways

Find Deal

Sun, Feb 1 - Thu, Feb 26

9:00 pm - 8:15 pmLAX-BHD

15h 15m1 stop

9:05 am - 3:50 pmBHD-LAX

14h 45m1 stop

$549British Airways

Find Deal

Sun, Feb 1 - Thu, Feb 26

2:36 pm - 4:50 pmSFO-BHD

18h 14m2 stops

6:35 am - 3:00 pmBHD-SFO

16h 25m1 stop

$570British Airways

Find Deal

Wed, Jan 28 - Sun, Feb 1

11:55 am - 4:50 pmSNA-BHD

20h 55m2 stops

5:20 pm - 10:15 pmBHD-SNA

36h 55m2 stops

$654Virgin Atlantic

Find Deal

Wed, Jan 28 - Sun, Feb 1

6:00 am - 4:50 pmONT-BHD

26h 50m2 stops

5:20 pm - 12:16 pmBHD-ONT

50h 56m2 stops

$655Delta

Find Deal

Wed, Jan 28 - Sun, Feb 1

11:15 am - 4:50 pmSNA-BHD

21h 35m2 stops

5:20 pm - 4:34 pmBHD-SNA

31h 14m2 stops

$655Delta

Find Deal

Thu, Jan 29 - Mon, Feb 2

2:06 pm - 4:50 pmSJC-BHD

18h 44m2 stops

5:20 pm - 7:12 pmBHD-SJC

33h 52m2 stops

$694Virgin Atlantic

Find Deal

Wed, Jan 14 - Wed, Jan 21

8:15 pm - 8:20 pmLAX-BFS

16h 05m2 stops

7:55 am - 6:30 pmBFS-LAX

18h 35m2 stops

$707Multiple Airlines

Find Deal

Wed, Jan 28 - Sun, Feb 1

6:00 am - 4:50 pmONT-BHD

26h 50m2 stops

5:20 pm - 4:15 pmBHD-ONT

30h 55m2 stops

$710KLM

Find Deal

Tue, Jan 13 - Tue, Jan 20

8:25 am - 4:00 pmSFO-BFS

23h 35m3 stops

6:30 am - 6:55 pmBFS-SFO

20h 25m2 stops

$729Multiple Airlines

Find Deal

Useful Info

Cheapest flight	$342

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

$342 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

Recent last minute 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