$253 Find Cheap Flights from California to Northern Ireland

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Low seasonFebruary
High seasonAugust
Cheapest flight$253
Best time to beat the crowds with an average 21% drop in price.
Most popular time to fly and prices are also 23% lower on average.
Flight from Los Angeles to Belfast Intl Airport

FAQs for booking flights from California to Northern Ireland

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

    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 California to Northern Ireland.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from California to Northern Ireland 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 California to Northern Ireland?

    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 California to Northern Ireland 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 California to Northern Ireland?

    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 California to Northern Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to Northern Ireland?

    Based on KAYAK data, the cheapest day to fly to Northern Ireland is Friday where round-trip tickets can be as cheap as $691. On the other hand, the most expensive day to fly is Sunday, where round-trip prices are $1,143 on average.

  • What is the cheapest time of day to fly to Northern Ireland?

    The cheapest time of day to fly to Northern Ireland is generally in the afternoon, when round-trip flights cost $681 on average. Morning departures are around 100% cheaper than evening flights, on average. The most expensive time of day to fly to Northern Ireland is generally in the evening, which is peak travel time and where the average cost of a ticket is $838.

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

    The cheapest month for flights from California to Northern Ireland is October, when tickets cost $588 (return) on average. On the other hand, the most expensive months are January and November, when the average cost of round-trip tickets is $1,339 and $1,175 respectively.

  • How long is the flight to Northern Ireland?

    An average nonstop flight from California to Northern Ireland takes 18h 27m, covering a distance of 5040 miles. The shortest route is Los Angeles (LAX) to Belfast City Airport (BHD) with an average flight time of 13h 50m.

  • What are the most popular destinations in Northern Ireland?

    Based on KAYAK flight searches, the most popular destination is Belfast (99% of total searches to Northern Ireland). The next most popular destination is Campbeltown (1%).

Reviews of the top airlines flying from California to Northern Ireland

 
Need help choosing which airline to fly with from California to Northern Ireland? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.2
American AirlinesOverall score based on 10000 reviews
6.9Entertainment
8.0Crew
7.5Boarding
7.2Comfort
6.5Food
Airline reviews

AA re-routed flight from HNL to LAX due to delay. My group of 3 with reserved seats in row 9 was broken up, with one assigned to a middle seat, another in the last row of the plane. Not happy. No explanation to the delay. No apologies. No compensation. Would have been nice to be offered an Admiral Club admission or a voucher for the extra 3 hours of layover in LAX. Could not hear the boarding gate announcements in LAX. Adjacent gate was boarding at the same time. Loud speakers were competing against each other. Barely made my boarding group.

4.0 OkayLeo, Jul 2025LAX - CLT
Read more American Airlines reviews

AA re-routed flight from HNL to LAX due to delay. My group of 3 with reserved seats in row 9 was broken up, with one assigned to a middle seat, another in the last row of the plane. Not happy. No explanation to the delay. No apologies. No compensation. Would have been nice to be offered an Admiral Club admission or a voucher for the extra 3 hours of layover in LAX. Could not hear the boarding gate announcements in LAX. Adjacent gate was boarding at the same time. Loud speakers were competing against each other. Barely made my boarding group.

Almost a 6 hour flight and the only food option is a cheese plate… and chips. Also how is it there are no options for texting on American. I’ll be going back to delta and united.

Bad food, small seats that didn’t recline. I thought I was buying a quantas ticket so I feel like I got scammed

The chair cushions may need an upgrade. I have been noticing they are so worn out, thin so you’d sit in a dip 😄. Other than that, all was an enjoyable trip. Thanks AA!

Cramped seats. FAA should make airlines have more legroom, for even short people complain

Flight was full, and would have preferred an aisle seat, but due to getting a late ticket ,the seat I had was adequate. The flight crew were very help full and hard working. Food and drink were excellent for the 11hr flight. Overall I was pleased with flight, and would recommend British Airways again.

Eventless. It was a good flight and good crew. Can’t complaint.

Very helpful ground crew after an earlier flight delay and being rebooked on a different flight.

British Airways staff are very polite and willing to help.

The plane was late and then sat on the runway for almost 45 minutes before taking off.

They’ve lost my bag and I have no way of really getting in touch with anyone and have received no updates.

Very crowded, no real explanation of food "chicken or pasta?" After dinner no drinks service. Plane was clean, but little help with finding soaces fir luggage to get into overhead bins. Many passengers putting 2 bags, hats, duty free in overhead bins so no space for roll ons

Flight was good but seat in 12D was not comfortable, better on the Airbus 321 from Tampa to Charlotte. No breakfast was served before landing in zLonfon only a coffee and orange juice.

I was transferred to an American Airlines flight. The boarding was late and unorganized. The seating was extremely tight and uncomfortable. Will not use AA again.

The entertainment selection was ok, but overall not bad! The crew was great.

Good crew and boarding process. Horrible food and one of the most uncomfortable aircraft seats I have ever sat in. The cabin temperature was warm which made it hard for my family to sleep.

The check-in of my luggage was terrible. When purchased my tickets, one luggage and one carry-on was part of the fight. My flight was switched from British to American Airline. During check-in of luggage at the airport, I was denied and had to pay extra $75. How do I get reimbursed for this extra luggage payment?

This was the second time on BA, food terrible, bathrooms gross,( granted, that was mostly due to the disgusting children urinating all over it)boarding was late and disorganized. No gate issued until last minute st Heathrow, bad system, caused undue stress. Seats were painful, that's what you get for traveling like a poor in economy, right BA? Should have been able to afford business or first class if you want to actually be able to walk upright without back pain after a trip.

The delay was not communicated via text and the person who helped with check in also didn’t inform me about the delay. I ended up missing my connection and it was a waste of 5 hours. The crew didn’t mention there would be someone at the gate informing of if I would be rebooked and there was no signage. Overall a very poor experience. The British Airways app was also very buggy, and didn’t work. I will avoid flying with British Airways when possible.

Cancelled flight minutes before boarding. Rescheduled flight was two days later

Book cheap flights from California to Northern Ireland

Recent round-trip flight deals

9/24Wed
1 stop
20h 05mLAX-BHD
10/5Sun
1 stop
15h 05mBHD-LAX
$616
8/3Sun
1 stopAmerican Airlines
17h 25mSFO-BHD
8/19Tue
1 stopAmerican Airlines
18h 50mBHD-SFO
$630
8/3Sun
2 stops
29h 20mLAX-BFS
8/19Tue
2 stops
38h 50mBFS-LAX
$633
10/15Wed
1 stopBritish Airways
15h 15mLAX-BHD
10/23Thu
1 stopBritish Airways
15h 00mBHD-LAX
$637
8/3Sun
1 stop
24h 50mLAX-BFS
8/19Tue
2 stops
38h 50mBFS-LAX
$638
8/3Sun
1 stopBritish Airways
14h 05mLAX-BHD
8/19Tue
1 stopBritish Airways
14h 35mBHD-LAX
$660
8/19Tue
1 stopKLM
20h 20mLAX-BHD
8/25Mon
1 stopKLM
29h 25mBHD-LAX
$737
12/3Wed
1 stopDelta
23h 05mSFO-BHD
12/7Sun
1 stopDelta
26h 30mBHD-SFO
$738
12/3Wed
2 stopsDelta
22h 19mSFO-BHD
12/7Sun
1 stopDelta
26h 30mBHD-SFO
$743
10/29Wed
2 stopsKLM
24h 45mOAK-BHD
11/2Sun
2 stopsKLM
31h 11mBHD-OAK
$989

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Recent one-way flight deals

9/10Wed
1 stop
33h 05mLAX-BFS
$253
9/10Wed
1 stop
20h 05mLAX-BHD
$266
9/10Wed
2 stops
25h 45mLAX-BFS
$280
9/10Wed
2 stops
35h 00mLAX-BHD
$288
9/10Wed
3 stops
35h 05mLAX-BFS
$331
8/22Fri
1 stop
31h 30mLAX-BFS
$339
9/10Wed
3 stops
29h 50mLAX-BHD
$349
9/9Tue
3 stops
35h 50mLAX-BHD
$353
8/26Tue
1 stopBritish Airways
17h 50mLAX-BHD
$388
8/26Tue
2 stopsBritish Airways
17h 32mLAX-BHD
$413

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Everything you need to know for your flight to Northern Ireland

Cabin class types available on flights to California

Cabin classes available on flights to California. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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