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$362+ Cheap flights from Belfast to California

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — LAX
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$603
(Expedia)

One-way from

$362
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$637
From Belfast to California
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One-way flight from Belfast to California
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Highest demand for flights based on searches. 10% potential increase in price ($103 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This Expedia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/127:30 pmBHD - SFO
1 stop26h 20mBritish Airways
Fri 9/1910:30 pmSFO - BHD
2 stops27h 40mBritish Airways
Deal found 6/10$603
This TravelUp deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/26:35 amBHD - SNA
2 stops21h 22mBritish Airways
Tue 9/911:35 amSNA - BHD
2 stops17h 25mBritish Airways
Deal found 6/11$624
This TravelUp deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/49:35 amBHD - ONT
2 stops20h 13mBritish Airways
Thu 9/112:30 pmONT - BHD
2 stops17h 00mBritish Airways
Deal found 6/10$644
This Expedia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:05 pmBHD - SFO
2 stops30h 30mMultiple Airlines
Fri 9/1910:30 pmSFO - BHD
2 stops27h 40mMultiple Airlines
Deal found 6/10$680
This Expedia deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/138:05 pmBHD - LAX
2 stops32h 24mMultiple Airlines
Sun 7/2011:59 pmLAX - BHD
2 stops25h 21mMultiple Airlines
Deal found 6/11$701
This TravelUp deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:30 amBHD - SFO
1 stop13h 15mKLM
Fri 9/191:45 pmSFO - BHD
1 stop23h 30mKLM
Deal found 6/10$709
This oojo deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/238:20 pmBHD - LAX
1 stop26h 35mFinnair
Tue 9/309:40 pmLAX - BHD
1 stop30h 15mFinnair
Deal found 6/10$719
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:30 amBHD - LAX
1 stop16h 20mDelta
Mon 10/139:57 amLAX - BHD
2 stops22h 58mDelta
Deal found 6/11$740
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:30 amBHD - ONT
2 stops18h 47mDelta
Mon 10/139:55 amONT - BHD
2 stops23h 00mDelta
Deal found 6/11$745
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:30 amBHD - SNA
2 stops19h 50mDelta
Mon 10/1310:45 amSNA - BHD
2 stops22h 10mDelta
Deal found 6/11$745
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:30 amBHD - SFO
2 stops19h 29mDelta
Fri 9/51:45 pmSFO - BHD
1 stop23h 30mDelta
Deal found 6/12$747
This Mytrip deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/136:45 amBFS - LAX
3 stops38h 15mMultiple Airlines
Sun 7/204:30 pmLAX - BFS
1 stop21h 00mMultiple Airlines
Deal found 6/11$760

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated June 12, 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

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 9/12

7:30 pm-1:50 pm

1 stop26h 20m

San Francisco

Fri 9/19

10:30 pm-10:10 am

2 stops27h 40m

$603

BelfastSanta Ana

BHD - SNA

BHDSNA

Belfast City

Tue 9/2

6:35 am-7:57 pm

2 stops21h 22m

Santa Ana J. Wayne/Orange Cnty

Tue 9/9

11:35 am-1:00 pm

2 stops17h 25m

$624

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Thu 9/4

9:35 am-9:48 pm

2 stops20h 13m

Ontario

Thu 9/11

2:30 pm-3:30 pm

2 stops17h 00m

$644

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 9/12

8:05 pm-6:35 pm

2 stops30h 30m

San Francisco

Fri 9/19

10:30 pm-10:10 am

2 stops27h 40m

$680

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Sun 7/13

8:05 pm-8:29 pm

2 stops32h 24m

Los Angeles

Sun 7/20

11:59 pm-9:20 am

2 stops25h 21m

$701

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 9/12

6:30 am-11:45 am

1 stop13h 15m

San Francisco

Fri 9/19

1:45 pm-9:15 pm

1 stop23h 30m

$709

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Tue 9/23

8:20 pm-2:55 pm

1 stop26h 35m

Los Angeles

Tue 9/30

9:40 pm-11:55 am

1 stop30h 15m

$719

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Thu 10/9

6:30 am-2:50 pm

1 stop16h 20m

Los Angeles

Mon 10/13

9:57 am-4:55 pm

2 stops22h 58m

$740

BelfastOntario

BHD - ONT

BHDONT

Belfast City

Thu 10/9

6:30 am-5:17 pm

2 stops18h 47m

Ontario

Mon 10/13

9:55 am-4:55 pm

2 stops23h 00m

$745

BelfastSanta Ana

BHD - SNA

BHDSNA

Belfast City

Thu 10/9

6:30 am-6:20 pm

2 stops19h 50m

Santa Ana J. Wayne/Orange Cnty

Mon 10/13

10:45 am-4:55 pm

2 stops22h 10m

$745

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 45 results
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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 round-trip 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 $246). Flying from Belfast to California in March is currently the most expensive (average of $327). 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.

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 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit California when rainfall is around 0.0 in.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Belfast to California to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

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
1,358 reviews
Delta
8.0
Very good
7,950 reviews

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
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

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
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very good
7,950 reviews

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
7,950 reviews

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?

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as $723. Users have also found prices from $1,137 and $1,876 on Iberia and KLM, respectively.

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

    While some choose either Belfast City - Los Angeles or Belfast Intl - San Francisco, Belfast Intl - Los Angeles is the most popular 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 vacation 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 $246). Flying from Belfast to California in March is currently the most expensive (average of $327). 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

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Alternative routes for Belfast to California

See prices for flight routes from nearby airports that may be better suited for you.
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