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$455+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — LAX
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Round-trip from

$610
(TravelUp)

One-way from

$455
(Mytrip)

Popular in

August

Cheapest in

January

Average price

$706
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. 16% potential increase in price ($164 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 March 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 March 31, 2025.

This Expedia deal was found by Cheapflights users on 3/30. 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 4/278:05 pmBHD - SFO
1 stop25h 45mBritish Airways
Sun 5/44:20 pmSFO - BHD
1 stop14h 20mBritish Airways
Deal found 3/30$521
This TravelUp deal was found by Cheapflights users on 3/31. 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 5/1512:40 pmBHD - LAX
1 stop15h 35mBritish Airways
Thu 5/229:30 pmLAX - BHD
1 stop15h 15mBritish Airways
Deal found 3/31$610
This TravelUp deal was found by Cheapflights users on 3/30. 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.
Sun 4/2711:00 amBHD - SFO
2 stops18h 14mMultiple Airlines
Sun 5/42:27 pmSFO - BHD
2 stops19h 18mMultiple Airlines
Deal found 3/30$646
This American Airlines deal was found by Cheapflights users on 3/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1512:40 pmBHD - LAX
2 stops19h 09mAmerican Airlines
Thu 5/229:30 pmLAX - BHD
1 stop13h 50mAmerican Airlines
Deal found 3/31$659
This KLM deal was found by Cheapflights users on 3/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/235:25 pmBHD - SFO
1 stop26h 20mKLM
Mon 4/281:45 pmSFO - BHD
1 stop23h 30mKLM
Deal found 3/30$680
This American Airlines deal was found by Cheapflights users on 3/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/226:35 amBHD - SFO
1 stop15h 15mAmerican Airlines
Tue 4/291:07 pmSFO - BHD
2 stops18h 13mAmerican Airlines
Deal found 3/31$692
This Finnair deal was found by Cheapflights users on 3/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/258:05 pmBHD - SFO
2 stops35h 04mFinnair
Mon 4/2810:40 amSFO - BHD
2 stops37h 05mFinnair
Deal found 3/30$694
This Delta deal was found by Cheapflights users on 3/31. 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.
Tue 4/86:30 amBHD - SFO
1 stop13h 15mDelta
Sun 4/271:45 pmSFO - BHD
1 stop23h 30mDelta
Deal found 3/31$725
This Iberia deal was found by Cheapflights users on 3/30. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/246:35 amBHD - SFO
2 stops24h 01mIberia
Fri 5/21:07 pmSFO - BHD
2 stops21h 08mIberia
Deal found 3/30$736
This Trip.com deal was found by Cheapflights users on 3/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/277:00 amBFS - SFO
2 stops36h 45mMultiple Airlines
Sun 5/49:20 pmSFO - BFS
1 stop17h 50mMultiple Airlines
Deal found 3/30$759
This Connections by easyJet deal was found by Cheapflights users on 3/31. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/159:10 pmBFS - LAX
1 stop25h 00mMultiple Airlines
Thu 5/229:25 pmLAX - BFS
1 stop35h 15mMultiple Airlines
Deal found 3/31$805
This TravelUp deal was found by Cheapflights users on 3/31. 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 5/154:20 pmBHD - LAX
2 stops34h 05mAer Lingus
Thu 5/228:15 pmLAX - BHD
2 stops35h 15mAer Lingus
Deal found 3/31$852

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 March 31, 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

BHD - LAX

BHDLAX

Belfast City

Thu 5/15

12:40 pm-8:15 pm

1 stop15h 35m

Los Angeles

Thu 5/22

9:30 pm-8:45 pm

1 stop15h 15m

$610

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Thu 5/15

12:40 pm-11:49 pm

2 stops19h 09m

Los Angeles

Thu 5/22

9:30 pm-7:20 pm

1 stop13h 50m

$659

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 4/22

6:35 am-1:50 pm

1 stop15h 15m

San Francisco

Tue 4/29

7:30 pm-7:25 pm

1 stop15h 55m

$668

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 4/23

5:25 pm-11:45 am

1 stop26h 20m

San Francisco

Mon 4/28

1:45 pm-9:15 pm

1 stop23h 30m

$680

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 4/22

6:35 am-1:50 pm

1 stop15h 15m

San Francisco

Tue 4/29

1:07 pm-3:20 pm

2 stops18h 13m

$692

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 4/22

8:20 pm-1:50 pm

1 stop25h 30m

San Francisco

Tue 4/29

5:29 pm-7:25 pm

2 stops17h 56m

$693

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 4/24

6:35 am-12:10 am

2 stops25h 35m

San Francisco

Fri 5/2

1:07 pm-6:15 pm

2 stops21h 08m

$736

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 4/21

6:30 am-11:45 am

1 stop13h 15m

San Francisco

Mon 4/28

1:45 pm-4:55 pm

2 stops19h 10m

$752

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Sun 4/27

7:00 am-11:45 am

2 stops36h 45m

San Francisco

Sun 5/4

9:20 pm-11:10 pm

1 stop17h 50m

$759

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Thu 5/15

9:10 pm-2:10 pm

1 stop25h 00m

Los Angeles

Thu 5/22

9:25 pm-4:40 pm

1 stop35h 15m

$805

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 22 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 June is currently the most expensive (average of $328). 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 March 31, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and American Airlines 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
7,899 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

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
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

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
7,899 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

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
1,061 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

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
2,653 reviews
Delta
8.0
Very good
7,899 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

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 most popular routes from Belfast to California?

    While some choose either Belfast City - San Francisco or Belfast Intl - Las Vegas Harry Reid Intl, Belfast Intl - San Francisco 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 June is currently the most expensive (average of $328). 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

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