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$428+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — LAX
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Round-trip from

$709
(Expedia)

One-way from

$428
(Kiwi.com)

Popular in

August

Cheapest in

May

Average price

$870
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. 11% potential increase in price ($110 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($53 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

This Expedia deal was found by Cheapflights users on 4/29. 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.
Sat 8/237:05 amBHD - SFO
1 stop14h 45mBritish Airways
Thu 9/47:20 pmSFO - BHD
1 stop15h 25mBritish Airways
Deal found 4/29$709
This Trip.com deal was found by Cheapflights users on 4/29. 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.
Thu 6/196:10 amBFS - LAX
1 stop15h 50mMultiple Airlines
Sun 6/224:30 pmLAX - BFS
1 stop31h 10mMultiple Airlines
Deal found 4/29$730
This Delta deal was found by Cheapflights users on 4/29. 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
1 stop13h 15mDelta
Fri 9/55:15 pmSFO - BHD
2 stops20h 00mDelta
Deal found 4/29$795
This TravelUp deal was found by Cheapflights users on 4/29. 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 5/276:35 amBHD - LAX
1 stop14h 50mBritish Airways
Tue 6/33:40 pmLAX - BHD
1 stop13h 20mBritish Airways
Deal found 4/29$811
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 7/116:35 amBHD - SFO
2 stops20h 32mAmerican Airlines
Sat 7/263:11 pmSFO - BHD
2 stops18h 04mAmerican Airlines
Deal found 4/29$823
This EaseMyTrip deal was found by Cheapflights users on 4/29. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/279:35 amBHD - LAX
2 stops19h 20mMultiple Airlines
Tue 6/33:40 pmLAX - BHD
1 stop15h 40mMultiple Airlines
Deal found 4/29$838
This EaseMyTrip deal was found by Cheapflights users on 4/29. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/279:35 amBHD - LAX
2 stops20h 27mIberia
Tue 6/31:30 pmLAX - BHD
2 stops17h 50mIberia
Deal found 4/29$849
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1212:15 pmBHD - LAS
2 stops17h 16mBritish Airways
Tue 5/203:10 pmLAS - BHD
1 stop16h 10mBritish Airways
Deal found 4/29$893
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 5/123:25 pmBHD - LAS
1 stop29h 55mAmerican Airlines
Tue 5/203:10 pmLAS - BHD
1 stop16h 10mAmerican Airlines
Deal found 4/29$894
This KAYAK deal was found by Cheapflights users on 4/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/116:35 amBHD - SFO
1 stop15h 15mIberia
Sat 7/264:35 pmSFO - BHD
1 stop16h 40mIberia
Deal found 4/29$942
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Mon 5/56:10 amBFS - LAS
3 stops44h 21mMultiple Airlines
Sun 5/1110:20 amLAS - BFS
3 stops27h 10mMultiple Airlines
Deal found 4/29$945
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Mon 5/128:50 amBHD - LAS
2 stops46h 31mMultiple Airlines
Tue 5/206:00 amLAS - BHD
3 stops31h 10mMultiple Airlines
Deal found 4/29$1,007

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 April 29, 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

Sat 8/23

7:05 am-1:50 pm

1 stop14h 45m

San Francisco

Thu 9/4

7:20 pm-6:45 pm

1 stop15h 25m

$709

BelfastLos Angeles

BFS - LAX

BFSLAX

Belfast Intl

Thu 6/19

6:10 am-2:00 pm

1 stop15h 50m

Los Angeles

Sun 6/22

4:30 pm-7:40 am

1 stop31h 10m

$730

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 8/20

6:30 am-11:45 am

1 stop13h 15m

San Francisco

Fri 9/5

5:15 pm-9:15 pm

2 stops20h 00m

$795

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Tue 5/27

6:35 am-1:25 pm

1 stop14h 50m

Los Angeles

Tue 6/3

3:40 pm-1:00 pm

1 stop13h 20m

$811

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 7/11

6:35 am-7:07 pm

2 stops20h 32m

San Francisco

Sat 7/26

3:11 pm-5:15 pm

2 stops18h 04m

$823

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Tue 5/27

9:35 am-8:55 pm

2 stops19h 20m

Los Angeles

Tue 6/3

3:40 pm-3:20 pm

1 stop15h 40m

$838

BelfastLos Angeles

BHD - LAX

BHDLAX

Belfast City

Tue 5/27

9:35 am-10:02 pm

2 stops20h 27m

Los Angeles

Tue 6/3

1:30 pm-3:20 pm

2 stops17h 50m

$849

BelfastLas Vegas

BHD - LAS

BHDLAS

Belfast City

Mon 5/12

12:15 pm-9:31 pm

2 stops17h 16m

Las Vegas Harry Reid Intl

Tue 5/20

3:10 pm-3:20 pm

1 stop16h 10m

$893

BelfastLas Vegas

BHD - LAS

BHDLAS

Belfast City

Mon 5/12

3:25 pm-1:20 pm

1 stop29h 55m

Las Vegas Harry Reid Intl

Tue 5/20

3:10 pm-3:20 pm

1 stop16h 10m

$894

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 7/11

6:35 am-1:50 pm

1 stop15h 15m

San Francisco

Sat 7/26

4:35 pm-5:15 pm

1 stop16h 40m

$942

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 19 results
1
2

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 April 29, 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
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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
1,076 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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
2,696 reviews
Delta
8.0
Very good
7,936 reviews

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

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 Iberia. According to our data, you can fly for as low as $752. Users have also found prices from $778 and $2,035 on Aer Lingus and KLM, respectively.

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

    While some choose either Belfast Intl - San Francisco or Belfast City - Las Vegas Harry Reid Intl, Belfast Intl - Las Vegas Harry Reid Intl 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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