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$329+ Cheap flights from California to Belfast

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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — BHD
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
1 adult, Economy
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Find flight deals from California to Belfast

Cheapest flights from California to Belfast
Explore the most affordable flight options available from California to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 28, 2025.

This Ticket deal was found by Cheapflights users on 10/27. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/101:45 pmLAX - BHD
1 stop23h 15mVirgin Atlantic
mar. 11/256:30 amBHD - LAX
2 stops24h 21mVirgin Atlantic
Deal found 10/27$610
This Ticket deal was found by Cheapflights users on 10/27. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/101:45 pmLAX - BHD
1 stop19h 05mMultiple Airlines
mar. 11/255:20 pmBHD - LAX
1 stop26h 25mMultiple Airlines
Deal found 10/27$645
This Iberia deal was found by Cheapflights users on 10/28. 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.
dom. 12/78:00 amSFO - BHD
2 stops18h 20mMultiple Airlines
dom. 12/149:10 amBHD - SFO
1 stop13h 50mMultiple Airlines
Deal found 10/28$669
This Virgin Atlantic deal was found by Cheapflights users on 10/27. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/31:55 pmSFO - BHD
1 stop23h 05mVirgin Atlantic
dom. 12/76:30 amBHD - SFO
1 stop13h 20mVirgin Atlantic
Deal found 10/27$685
This Ovago deal was found by Cheapflights users on 10/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/611:59 pmSFO - BHD
2 stops32h 51mBritish Airways
dom. 12/149:10 amBHD - SFO
1 stop13h 50mBritish Airways
Deal found 10/26$698
This Delta deal was found by Cheapflights users on 10/27. 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.
jue. 11/135:55 amOAK - BHD
2 stops31h 05mDelta
lun. 11/175:20 pmBHD - OAK
2 stops38h 43mDelta
Deal found 10/27$699
This Mytrip deal was found by Cheapflights users on 10/25. 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.
dom. 12/77:30 amSFO - BFS
3 stops29h 45mMultiple Airlines
dom. 12/145:45 amBFS - SFO
2 stops21h 50mMultiple Airlines
Deal found 10/25$700
This Delta deal was found by Cheapflights users on 10/28. 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.
sáb. 11/156:00 amSFO - BHD
2 stops26h 50mDelta
sáb. 11/226:30 amBHD - SFO
1 stop13h 20mDelta
Deal found 10/28$718
This Delta deal was found by Cheapflights users on 10/28. 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.
sáb. 11/159:49 amSFO - BHD
2 stops23h 01mDelta
dom. 11/236:30 amBHD - SFO
2 stops19h 39mDelta
Deal found 10/28$728
This Mytrip deal was found by Cheapflights users on 10/26. 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.
mar. 12/91:00 pmSFO - BFS
2 stops24h 40mMultiple Airlines
mar. 12/168:35 amBFS - SFO
3 stops37h 55mMultiple Airlines
Deal found 10/26$750
This KLM deal was found by Cheapflights users on 10/27. 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.
mié. 11/129:03 amSJC - BHD
2 stops23h 47mKLM
dom. 11/165:20 pmBHD - SJC
2 stops34h 02mKLM
Deal found 10/27$751
This Mytrip deal was found by Cheapflights users on 10/26. 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.
sáb. 12/68:25 amSFO - BFS
2 stops18h 30mMultiple Airlines
dom. 12/146:30 amBFS - SFO
2 stops22h 52mMultiple Airlines
Deal found 10/26$767

Cheap flight deals from California to Belfast

Keep the following information in mind while searching for California to Belfast flight deals. Data was last updated octubre 28, 2025.

Round-trip from

$610
(Ticket)

One-way from

$329
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$633
From California to Belfast
Search Deals
One-way flight from California to Belfast
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($212 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from California to Belfast 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 octubre 28, 2025.
Use the filters below to find and compare flights from California to Belfast that are best for you.

Fly from

California

Fly to

Belfast

Route

Depart

Return

Price

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

lun. 11/10

7:30 am-4:50 pm

2 stops25h 20m

Belfast City

mar. 11/25

6:30 am-8:47 pm

2 stops22h 17m

$614

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

mar. 3/24

9:40 pm-6:40 pm

1 stop14h 00m

Belfast City

mar. 3/31

6:35 am-5:40 pm

1 stop19h 05m

$639

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

lun. 11/10

1:45 pm-4:50 pm

1 stop19h 05m

Belfast City

mar. 11/25

5:20 pm-11:45 am

1 stop26h 25m

$645

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

mar. 3/24

10:24 am-11:30 am

2 stops18h 06m

Belfast City

mar. 3/31

6:35 am-6:42 pm

2 stops20h 07m

$657

Los AngelesBelfast

LAX - BHD

LAXBHD

Los Angeles

vie. 1/23

9:00 pm-7:15 pm

1 stop14h 15m

Belfast City

mar. 2/3

6:35 am-3:50 pm

1 stop17h 15m

$666

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

dom. 12/7

8:00 am-10:20 am

2 stops18h 20m

Belfast City

dom. 12/14

9:10 am-3:00 pm

1 stop13h 50m

$669

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

dom. 12/7

1:55 pm-9:00 pm

1 stop23h 05m

Belfast City

dom. 12/14

5:20 pm-11:50 am

1 stop26h 30m

$685

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

mié. 12/3

1:55 pm-4:50 pm

1 stop18h 55m

Belfast City

dom. 12/7

6:30 am-11:50 am

1 stop13h 20m

$685

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

dom. 12/7

7:00 am-4:50 pm

2 stops25h 50m

Belfast City

dom. 12/14

8:25 pm-8:30 pm

2 stops32h 05m

$689

OaklandBelfast

OAK - BHD

OAKBHD

Oakland

jue. 11/13

5:55 am-4:50 pm

2 stops26h 55m

Belfast City

lun. 11/17

5:20 pm-4:11 pm

2 stops30h 51m

$699

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 51 results
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Best time to book a flight from California to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from California 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 California to Belfast

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

Currently, March is the cheapest month in which you can book a flight from California to Belfast (average of $586). Flying from California to Belfast in June is currently the most expensive (average of $907). 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 CA to BFS?

Find hourly flight availability from California to Belfast. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 28, 2025.

When flying from California to Belfast, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 17% versus a flight in the evening.

What is the cheapest day to fly from California to Belfast?

Use this chart to determine the cheapest time to fly round-trip from California to Belfast. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their California to Belfast flight should consider departing on Sunday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

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

  • How long is the flight from California to Belfast?

    Airlines like Virgin Atlantic, British Airways, and American Airlines fly from California to Belfast in about 14h. The time it takes to get you to your destination can typically vary by up to 11h 20m. There are 5038 mi between California and Belfast. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The most popular route from California to Belfast is San Francisco - Belfast Intl. You may also consider San Francisco - Belfast City or Los Angeles - Belfast Intl.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from California to Belfast 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 California to Belfast?

    Currently, March is the cheapest month in which you can book a flight from California to Belfast (average of $586). Flying from California to Belfast in June is currently the most expensive (average of $907). 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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Alternative routes for California to Belfast

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from California to Belfast

Discover the top airline that operate flights from California to Belfast. 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 2,558,603 searches. Data last updated octubre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$599Average$872FlexibilityNo cancel feeOn-time70%

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