Find flights
When to book
Airlines
FAQs

Cheap flights from Belfast to California from £269

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — LAX
22 Apr — 29 Apr1
1 adult

Cheap flight deals from Belfast to California

Keep the following information in mind while searching for Belfast to California flight deals. Data was last updated 17 April 2025.

Round-trip from

£528

One-way from

£269

Popular in

August

Cheapest in

January

Average price

£551
15/5-29/5
  • 15/5-29/5
  • 4 total stops
  • 59h 55m total
  • Belfast to California
Search Deals
13/9
  • 13/9
  • 1 total stop
  • 35h 00m total
  • Belfast to California
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£68 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£31 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Belfast to California

Cheapest flights from Belfast to California
Explore the most affordable flight options available from Belfast to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 April 2025.

Thu 15/515:55BFS - LAX
2 stops35h 10mMultiple Airlines
Thu 29/507:30LAX - BFS
2 stops24h 45mMultiple Airlines
Deal found 16/4£528
Wed 14/510:00BHD - SFO
1 stop15h 15mBritish Airways
Wed 21/516:20SFO - BHD
1 stop15h 15mBritish Airways
Deal found 16/4£531
Wed 14/510:00BHD - SFO
2 stops19h 00mIberia
Wed 21/523:53SFO - BHD
2 stops31h 37mIberia
Deal found 16/4£558
Wed 20/806:30BHD - SFO
1 stop13h 15mDelta
Fri 5/911:05SFO - BHD
2 stops21h 50mDelta
Deal found 16/4£595
Wed 20/806:50BHD - SFO
1 stop15h 00mMultiple Airlines
Fri 5/916:35SFO - BHD
1 stop17h 40mMultiple Airlines
Deal found 16/4£596
Wed 14/507:00BFS - SFO
1 stop20h 30mMultiple Airlines
Wed 21/521:20SFO - BFS
1 stop17h 50mMultiple Airlines
Deal found 16/4£610
Mon 12/515:25BHD - LAS
1 stop29h 55mAmerican Airlines
Tue 20/515:10LAS - BHD
1 stop16h 10mAmerican Airlines
Deal found 16/4£663
Mon 12/512:15BHD - LAS
2 stops17h 45mMultiple Airlines
Tue 20/505:03LAS - BHD
2 stops21h 32mMultiple Airlines
Deal found 16/4£672
Mon 12/506:10BFS - LAS
2 stops25h 11mMultiple Airlines
Tue 20/515:00LAS - BFS
1 stop16h 00mMultiple Airlines
Deal found 16/4£736
Sat 31/509:40BFS - SNA
3 stops33h 12mMultiple Airlines
Sat 7/612:50SNA - BFS
2 stops22h 15mMultiple Airlines
Deal found 16/4£1,096
Thu 16/1006:30BHD - LAX
2 stops33h 00mVirgin Atlantic
Tue 21/1021:20LAX - BHD
2 stops39h 55mVirgin Atlantic
Deal found 16/4£2,557
Thu 16/1017:25BHD - LAX
1 stop29h 25mKLM
Tue 21/1015:40LAX - BHD
2 stops17h 15mKLM
Deal found 16/4£2,631

Cheapflights Fare Finder

Customise your flight search to find flights from Belfast to California that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 April 2025.
Use the filters below to find and compare flights from Belfast to California that are best for you.

Fly from

Belfast

Fly to

California

Route

Depart

Return

Price

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Thu 15/5

15:55-19:05

2 stops35h 10m

Los Angeles

Thu 29/5

07:30-16:15

2 stops24h 45m

£528

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 14/5

10:00-17:15

1 stop15h 15m

San Francisco

Wed 21/5

16:20-15:35

1 stop15h 15m

£531

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 14/5

10:00-21:00

2 stops19h 00m

San Francisco

Wed 21/5

23:53-15:30

2 stops31h 37m

£558

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 20/8

06:30-11:45

1 stop13h 15m

San Francisco

Fri 5/9

11:05-16:55

2 stops21h 50m

£595

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 20/8

06:50-13:50

1 stop15h 00m

San Francisco

Fri 5/9

16:35-18:15

1 stop17h 40m

£596

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Wed 14/5

07:00-19:30

1 stop20h 30m

San Francisco

Wed 21/5

21:20-23:10

1 stop17h 50m

£610

BelfastLas Vegas

BHD - LAS

BHDLAS

Belfast City

Mon 12/5

15:25-13:20

1 stop29h 55m

Las Vegas Harry Reid Intl

Tue 20/5

15:10-15:20

1 stop16h 10m

£663

BelfastLas Vegas

BHD - LAS

BHDLAS

Belfast City

Mon 12/5

12:15-22:00

2 stops17h 45m

Las Vegas Harry Reid Intl

Tue 20/5

05:03-10:35

2 stops21h 32m

£672

BelfastLas Vegas

BFS - LAS

BFSLAS

Belfast Intl

Mon 12/5

06:10-23:21

2 stops25h 11m

Las Vegas Harry Reid Intl

Tue 20/5

15:00-15:00

1 stop16h 00m

£736

BelfastSanta Ana

BFS - SNA

BFSSNA

Belfast Intl

Sat 31/5

09:40-10:52

3 stops33h 12m

Santa Ana J. Wayne/Orange Cnty

Sat 7/6

12:50-19:05

2 stops22h 15m

£1,096

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Showing 1-10 of 21 results
1
2
3

Best time to book a flight from Belfast to California

Have a flexible travel schedule? Discover the best time to fly to California from Belfast with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Belfast to California

What is the cheapest month to book a flight from Belfast to California?

Currently, January is the cheapest month in which you can book a flight from Belfast to California (average of £575). Flying from Belfast to California in July is currently the most expensive (average of £811). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BFS to CA?

Find hourly flight availability from Belfast to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 April 2025.

When flying from Belfast to California, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in California by month

Plan your trip to California by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in California ranges from 0.0 - 87.0 inches per month. February is typically the wettest month, when rainfall can reach 87.0 mm. July is typically the driest time to visit California when rainfall is around 0.0 mm.

Temperature in California by month

Plan your trip to California by taking into account the average temperature totals by month.

If weather is an important factor for your trip to California, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to California. Reviews last updated 17 April 2025.
Delta
8.0
Very Good
7,916 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,916 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,329 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aer Lingus
7.0
Good
1,063 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Iberia
7.0
Good
2,676 reviews
Delta
8.0
Very Good
7,916 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Belfast to California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Belfast to California one-way?

    One-way options have recently been found by users for as low as £528 on Aer Lingus. Other airlines that offer cheap prices include British Airways from £749 and Iberia from £758 one-way.

  • What are the most popular routes from Belfast to California?

    Most travelers choose Belfast Intl - San Francisco, Belfast City - San Francisco or Belfast Intl - Los Angeles when deciding on the best route from Belfast to California.

  • Can I find deals for flights from Belfast to California that include hotel bookings?

    Yes. In addition to deals on Belfast to California flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast to California?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to California.

  • Can I find deals for business class flights from Belfast to California?

    Yes. Cheapflights offers flight deals from Belfast to California by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Belfast to California?

    Currently, January is the cheapest month in which you can book a flight from Belfast to California (average of £575). Flying from Belfast to California in July is currently the most expensive (average of £811). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Belfast to California

See prices for flight routes from nearby airports that may be better suited for you.
Belfast Intl to John F Kennedy Intl flights
Belfast Intl to Seattle flights
Belfast City to Seattle flights
Belfast Intl to Newark flights
Belfast City to Newark flights
Belfast City to John F Kennedy Intl flights
Belfast Intl to Boston flights
Belfast City to O'Hare Intl flights
Belfast Intl to Stewart flights
Belfast City to Detroit flights
Belfast Intl to Detroit flights
Belfast City to Boston flights
Belfast Intl to Orlando flights
Belfast City to Orlando flights
Belfast Intl to Miami flights
Belfast Intl to San Francisco flights
Belfast City to San Francisco flights
Belfast City to Charlotte flights
Belfast Intl to Charlotte flights
Belfast City to Flint flights
Belfast City to Miami flights
Belfast Intl to Atlanta flights
Belfast Intl to Fort Lauderdale flights
Belfast City to Atlanta flights
Belfast Intl to Los Angeles flights
Belfast Intl to Las Vegas flights
Belfast Intl to Baltimore flights
Belfast Intl to Grand Rapids flights
Belfast Intl to Dulles Intl flights
Belfast City to Los Angeles flights
Belfast City to Dulles Intl flights
Belfast Intl to George Bush Intcntl flights
Belfast Intl to Daytona Beach flights
Belfast City to Baltimore flights
Belfast Intl to Omaha flights
Belfast City to Fort Lauderdale flights
Belfast City to George Bush Intcntl flights
Belfast Intl to San Antonio flights
Belfast Intl to Ontario flights
Belfast Intl to Oklahoma City flights
Belfast Intl to Minneapolis flights
Belfast Intl to Dallas/Fort Worth flights
Belfast Intl to West Palm Beach flights
Belfast City to Jacksonville flights
Belfast City to Santa Ana flights
Belfast City to San Antonio flights
Belfast City to Providence flights

Top airline flying from Belfast to California

Discover the top airline that operate flights from Belfast to California. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 April 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£412Average£631FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Belfast to California?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to California from Belfast today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Belfast to California?

Cheapflights helps you find that perfect flight to California from Belfast by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Belfast to California with no change fees?

Yes! Cheapflights helps users easily find flights from Belfast to California with no change fees.

Can Cheapflights notify me if prices for flights from Belfast to California become cheaper?

Of course! You can now track prices for flights from Belfast to California and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights