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Cheap flights from Belfast to California from £326
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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — LAX
12 10月 — 19 10月1
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 12 9月 2025.
Find flight deals from Belfast to California
Cheapest flights from Belfast to CaliforniaExplore 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 12 9月 2025.
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 12 9月 2025.
週四 9/1006:30BHD - SFO
1 stop13h 15mDelta
週四 16/1010:35SFO - BHD
2 stops22h 20mDelta
Deal found 11/9£474
週五 19/906:35BHD - LAX
1 stop19h 30mAmerican Airlines
週二 23/909:05LAX - BHD
2 stops17h 30mAmerican Airlines
Deal found 12/9£481
週五 19/906:45BHD - LAX
1 stop19h 20mBritish Airways
週二 23/913:25LAX - BHD
1 stop15h 35mBritish Airways
Deal found 12/9£532
週一 22/906:30BHD - LAS
1 stop20h 05mDelta
週一 29/920:25LAS - BHD
1 stop12h 30mDelta
Deal found 10/9£587
週一 27/1022:20BFS - LAS
3 stops29h 45mMultiple Airlines
週一 3/1111:00LAS - BFS
3 stops26h 10mMultiple Airlines
Deal found 12/9£605
週五 19/907:00BHD - LAX
3 stops40h 12mMultiple Airlines
週二 23/908:05LAX - BHD
3 stops20h 45mMultiple Airlines
Deal found 12/9£761
週一 22/906:55BHD - LAS
3 stops24h 04mMultiple Airlines
週一 29/909:36LAS - BHD
2 stops26h 49mMultiple Airlines
Deal found 10/9£799
週六 25/1016:50BFS - LAS
3 stops36h 15mMultiple Airlines
週六 1/1120:35LAS - BFS
2 stops19h 05mMultiple Airlines
Deal found 9/9£857
週一 22/908:20BFS - LAS
3 stops20h 01mMultiple Airlines
週一 29/907:25LAS - BFS
3 stops24h 45mMultiple Airlines
Deal found 10/9£876
週六 25/1009:15BFS - LAX
2 stops34h 55mMultiple Airlines
週六 1/1117:45LAX - BFS
3 stops22h 05mMultiple Airlines
Deal found 10/9£901
週六 25/1009:15BFS - SFO
2 stops34h 50mMultiple Airlines
週六 1/1108:25SFO - BFS
3 stops30h 15mMultiple Airlines
Deal found 10/9£985
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 12 9月 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
BelfastOntario
BHD - ONT
BHDONT
Belfast City
週四 26/2
09:05-23:43
2 stops22h 38m
Ontario
週一 2/3
23:55-10:30
2 stops26h 35m
£469
BelfastOntario
BHD - ONT
BHDONT
Belfast City
週四 5/3
06:35-23:43
2 stops25h 08m
Ontario
週一 9/3
17:02-18:35
2 stops18h 33m
£469
BelfastSanta Ana
BHD - SNA
BHDSNA
Belfast City
週一 9/3
06:35-22:30
2 stops22h 55m
Santa Ana J. Wayne/Orange Cnty
週三 11/3
13:43-14:00
2 stops41h 17m
£469
BelfastSanta Ana
BHD - SNA
BHDSNA
Belfast City
週四 5/3
10:40-22:13
2 stops19h 33m
Santa Ana J. Wayne/Orange Cnty
週一 9/3
17:01-18:35
2 stops18h 34m
£470
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
週四 5/3
06:35-18:45
1 stop20h 10m
San Francisco
週一 9/3
18:30-18:35
1 stop17h 05m
£470
BelfastSan Francisco
BHD - SFO
BHDSFO
Belfast City
週四 9/10
06:30-11:45
1 stop13h 15m
San Francisco
週四 16/10
10:35-16:55
2 stops22h 20m
£474
BelfastLas Vegas
BHD - LAS
BHDLAS
Belfast City
週一 22/9
06:30-18:35
1 stop20h 05m
Las Vegas Harry Reid Intl
週一 29/9
13:35-16:55
2 stops19h 20m
£587
BelfastLas Vegas
BHD - LAS
BHDLAS
Belfast City
週五 6/3
06:45-18:50
1 stop20h 05m
Las Vegas Harry Reid Intl
週二 10/3
21:55-20:15
1 stop15h 20m
£599
BelfastLas Vegas
BHD - LAS
BHDLAS
Belfast City
週五 6/3
08:45-15:59
2 stops39h 14m
Las Vegas Harry Reid Intl
週二 10/3
07:00-10:30
2 stops20h 30m
£602
BelfastLas Vegas
BFS - LAS
BFSLAS
Belfast Intl
週一 27/10
22:20-21:05
3 stops29h 45m
Las Vegas Harry Reid Intl
週一 3/11
11:00-21:10
3 stops26h 10m
£605
Showing 1-10 of 21 results
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 12 9月 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.
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 12 9月 2025.
Check out reviews from past customers who have flown with KLM, American Airlines, andBritish Airways from Belfast to California to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.2
Crew
8.4
Boarding
7.8
Comfort
7.7
Overall
7.8
Food
7.3
Reviews
1 / 20
4.0
OkayMark,Sept 2025
AMS - BHX
Entertainment
7.2
Crew
8.4
Boarding
7.8
Comfort
7.7
Overall
7.8
Food
7.3
Reviews
1 / 20
4.0
OkayMark,Sept 2025
AMS - BHX
Entertainment
7.2
Crew
8.4
Boarding
7.8
Comfort
7.7
Overall
7.8
Food
7.3
Reviews
1 / 20
4.0
OkayMark,Sept 2025
AMS - BHX
Entertainment
7.2
Crew
8.4
Boarding
7.8
Comfort
7.7
Overall
7.8
Food
7.3
Reviews
1 / 20
4.0
OkayMark,Sept 2025
AMS - BHX
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.
Browse thousands of different options on Cheapflights for your next trip
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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.
Top 3 airlines flying from Belfast to California
Discover the top 3 airlines 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 12 9月 2025.
Fly with Cheapflights
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How does Cheapflights help users find flights from Belfast to California?
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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.