$300 Find Cheap Flights from Northern Ireland to California

1 adult

KAYAK searches hundreds of travel sites at once for deals on flights to California

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Useful Info
Useful Info

Good to know

Low seasonFebruary
High seasonJuly
Cheapest flight$300
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly with an average 7% increase in price.
Flight from Belfast Intl Airport to Los Angeles

FAQs for booking flights from Northern Ireland to California

  • How does KAYAK find such low prices on flights from Northern Ireland to California?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Northern Ireland to California.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Northern Ireland to California?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Northern Ireland to California is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Northern Ireland to California?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Northern Ireland to California with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Northern Ireland to California?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Northern Ireland to California up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to California?

    The cheapest time of day to fly to California is generally in the morning, when round-trip flights cost $646 on average. The most expensive time of day to fly to California is generally in the morning, which is peak travel time and where the average cost of a ticket is $646.

  • What is the cheapest month to fly from Northern Ireland to California?

    The cheapest month for flights from Northern Ireland to California is November, when tickets cost $622 (return) on average. On the other hand, the most expensive months are August and December, when the average cost of round-trip tickets is $2,061 and $961 respectively.

  • How long is the flight to California?

    An average nonstop flight from Northern Ireland to California takes 19h 50m, covering a distance of 5048 miles. The shortest route is Belfast Intl Airport (BFS) to Los Angeles (LAX) with an average flight time of 14h 50m.

  • What are the most popular destinations in California?

    Based on KAYAK flight searches, the most popular destination is San Francisco (67% of total searches to California). The next most popular destinations are Los Angeles (17%) and Las Vegas (7%). Searches for flights to Santa Ana (7%) and to Ontario (3%) are also popular.

Book cheap flights from Northern Ireland to California

Recent round-trip flight deals

6/15Sun
1 stopBritish Airways
25h 45mBHD-SFO
6/22Sun
2 stopsBritish Airways
16h 15mSFO-BHD
$683
6/15Sun
2 stopsBritish Airways
19h 12mBHD-SFO
6/22Sun
2 stopsBritish Airways
16h 15mSFO-BHD
$686
8/20Wed
2 stopsFinnair
38h 52mBHD-SFO
9/5Fri
2 stopsFinnair
39h 28mSFO-BHD
$693
8/20Wed
1 stop
27h 35mBHD-SFO
9/5Fri
2 stops
39h 28mSFO-BHD
$694
8/20Wed
1 stopKLM
26h 20mBHD-SFO
9/5Fri
1 stopKLM
23h 30mSFO-BHD
$697
6/15Sun
1 stopBritish Airways
15h 00mBHD-SFO
6/22Sun
1 stopBritish Airways
14h 05mSFO-BHD
$706
6/14Sat
1 stop
29h 40mBFS-LAX
6/21Sat
1 stop
31h 15mLAX-BFS
$914
6/15Sun
2 stops
22h 00mBFS-SFO
6/22Sun
2 stops
23h 15mSFO-BFS
$983
6/14Sat
2 stops
40h 25mBFS-LAX
6/20Fri
3 stops
32h 41mLAX-BFS
$1,024
9/3Wed
2 stopsKLM
19h 37mBHD-SFO
9/3Wed
2 stopsKLM
16h 50mSFO-BHD
$3,237

Search by stops

Search by airline

Search by price

Recent one-way flight deals

5/8Thu
1 stop
31h 30mBFS-LAX
$300
5/8Thu
2 stops
20h 15mBHD-LAX
$332
5/8Thu
1 stop
25h 55mBHD-LAX
$357
5/8Thu
3 stops
35h 25mBHD-LAX
$361
8/9Sat
2 stops
24h 25mBFS-LAX
$428
9/3Wed
3 stops
26h 14mBFS-SFO
$428
8/9Sat
3 stops
37h 08mBFS-LAX
$454
9/3Wed
1 stopIberia
18h 35mBHD-SFO
$752
9/3Wed
2 stopsAer Lingus
29h 55mBHD-SFO
$778
8/9Sat
2 stopsKLM
17h 45mBHD-ONT
$2,035

Search by stops

Search by airline

Search by price

Everything you need to know for your flight to California

Cabin class types available on flights to Northern Ireland

Cabin classes available on flights to Northern Ireland. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to California
Business Class flights to California
Prem Econ Class flights to California
Economy Class flights to California

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.