How long does it take to fly to Belfast Intl Airport?

On average, it takes 13h 50m to fly from California to Belfast Intl Airport if you fly out of Los Angeles (the most popular airport in California) and into Belfast Intl Airport (the most popular airport in Belfast Intl Airport). If you’re flying out of San Francisco and into Belfast Intl Airport, then the flight time is around 14h 15m.

When did momondo last update prices for flights from California to Belfast Intl Airport?

Prices for flights from California to Belfast Intl Airport are updated daily.

How many operators does momondo search for flights from California to Belfast Intl Airport?

The number of operators available for flights from California to Belfast Intl Airport is 1 as of December 2025.

How old do you have to be to fly from California to Belfast Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Belfast Intl Airport.

What documentation or ID do you need to fly to Belfast Intl Airport?

The travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$316 Cheap Flights from California to Belfast Intl Airport in 2025/26

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Find the cheapest flights from California to Belfast

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:00 am - 7:00 pm

LAS

BFS

26h 00m3 stops

11:05 pm - 8:39 pm

BFS

LAS

29h 34m3 stops

$814Multiple Airlines

Sun, Feb 1 - Sun, Feb 8

8:25 am - 4:35 pm

SFO

BFS

24h 10m3 stops

2:15 pm - 4:30 pm

BFS

SFO

34h 15m2 stops

$1,015Multiple Airlines

Mon, Feb 2 - Mon, Feb 9

4:35 pm - 8:10 pm

SFO

BFS

19h 35m2 stops

2:15 pm - 4:30 pm

BFS

SFO

34h 15m2 stops

$1,061Multiple Airlines

Mon, Feb 2 - Mon, Feb 9

9:00 am - 10:25 pm

LAS

BFS

29h 25m3 stops

6:30 am - 9:33 pm

BFS

LAS

23h 03m2 stops

$1,064Multiple Airlines

Sun, Feb 1 - Sun, Feb 8

8:25 am - 4:35 pm

SFO

BFS

24h 10m3 stops

10:35 am - 10:54 am

BFS

SFO

32h 19m3 stops

$1,128Multiple Airlines

Mon, Feb 2 - Mon, Feb 9

12:30 pm - 2:00 pm

LAS

BFS

17h 30m2 stops

6:30 am - 9:33 pm

BFS

LAS

23h 03m2 stops

$1,230Multiple Airlines

Sun, Feb 1 - Sun, Feb 8

8:15 am - 6:55 pm

LAX

BFS

26h 40m2 stops

3:10 pm - 7:27 pm

BFS

LAX

36h 17m2 stops

$1,263Multiple Airlines

Thu, Jan 1 - Mon, Jan 5

4:35 pm - 5:35 pm

LAX

BFS

17h 00m1 stop

10:20 pm - 12:23 pm

BFS

LAX

46h 03m2 stops

$1,490Multiple Airlines

Thu, Jan 1 - Mon, Jan 5

5:30 pm - 10:20 pm

LAX

BFS

20h 50m3 stops

7:50 am - 10:32 am

BFS

LAX

34h 42m3 stops

$1,515Multiple Airlines

Thu, Jan 1 - Mon, Jan 5

8:15 pm - 8:25 pm

LAX

BFS

16h 10m2 stops

8:50 pm - 8:14 pm

BFS

LAX

31h 24m3 stops

$1,905Multiple Airlines

Thu, Jan 1 - Mon, Jan 5

momondo Fare Finder

Use the filters below to find and compare flights from California to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasBelfast

LAS - BFS

LASBFS

Las Vegas Harry Reid Intl

Sun 2/1

9:00 am-7:00 pm

3 stops26h 00m

Belfast Intl

Sun 2/8

11:05 pm-8:39 pm

3 stops29h 34m

$814

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Mon 2/2

8:25 am-4:35 pm

3 stops24h 10m

Belfast Intl

Mon 2/9

2:15 pm-4:30 pm

2 stops34h 15m

$1,015

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Mon 2/2

4:35 pm-8:10 pm

2 stops19h 35m

Belfast Intl

Mon 2/9

2:15 pm-4:30 pm

2 stops34h 15m

$1,061

Las VegasBelfast

LAS - BFS

LASBFS

Las Vegas Harry Reid Intl

Sun 2/1

9:00 am-10:25 pm

3 stops29h 25m

Belfast Intl

Sun 2/8

6:30 am-9:33 pm

2 stops23h 03m

$1,064

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Mon 2/2

8:25 am-4:35 pm

3 stops24h 10m

Belfast Intl

Mon 2/9

10:35 am-10:54 am

3 stops32h 19m

$1,128

Las VegasBelfast

LAS - BFS

LASBFS

Las Vegas Harry Reid Intl

Sun 2/1

12:30 pm-2:00 pm

2 stops17h 30m

Belfast Intl

Sun 2/8

6:30 am-9:33 pm

2 stops23h 03m

$1,230

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Thu 1/1

8:15 am-6:55 pm

2 stops26h 40m

Belfast Intl

Mon 1/5

3:10 pm-7:27 pm

2 stops36h 17m

$1,263

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Thu 1/1

4:35 pm-5:35 pm

1 stop17h 00m

Belfast Intl

Mon 1/5

10:20 pm-12:23 pm

2 stops46h 03m

$1,490

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Thu 1/1

5:30 pm-10:20 pm

3 stops20h 50m

Belfast Intl

Mon 1/5

7:50 am-10:32 am

3 stops34h 42m

$1,515

Los AngelesBelfast

LAX - BFS

LAXBFS

Los Angeles

Thu 1/1

8:15 pm-8:25 pm

2 stops16h 10m

Belfast Intl

Mon 1/5

8:50 pm-8:14 pm

3 stops31h 24m

$1,905

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

How to get the cheapest flight ticket from California to Belfast Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Other information

What is the cheapest month to fly to Belfast Intl Airport?

The month of October is, on average, the cheapest month to fly to Belfast Intl Airport from California, with most prices found around $633. If you’re not able to fly to Belfast Intl Airport in October, then February is your next best option. Flight prices from California to Belfast Intl Airport during February average around $685.

What is the cheapest day to depart on your flight to Belfast Intl Airport?

The cheapest day to depart on your flight to Belfast Intl Airport is on a Friday when prices can be found for as low as $691. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from California to Belfast Intl Airport for around $1,143.

What is the cheapest time of day to depart on your flight to Belfast Intl Airport?

At noon is the cheapest time of day to fly from California to Belfast Intl Airport when you can find flight prices for as low as $681. Flying to Belfast Intl Airport at noon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Belfast Intl Airport is in the afternoon when prices are around $838.

Cheap California to Belfast Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Belfast Intl Airport

Fastest flight time	13h 50m
Direct flights	None

The fastest flight from California to Belfast Intl Airport takes 13h 50m

There are no direct flights from California to Belfast Intl Airport. There are no popular flight routes from California to Belfast Intl Airport.

Search flight deals

When did momondo last update prices for flights from California to Belfast Intl Airport?
Prices for flights from California to Belfast Intl Airport are updated daily.
How many operators does momondo search for flights from California to Belfast Intl Airport?
The number of operators available for flights from California to Belfast Intl Airport is 1 as of December 2025.
How old do you have to be to fly from California to Belfast Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from California to Belfast Intl Airport.
What documentation or ID do you need to fly to Belfast Intl Airport?
The travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from California to Belfast Intl Airport

Compare and see reviews for airlines that fly from California to Belfast Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $621	Free Cancellation	Rating 6.7 7,600 reviews		Search British Airways flights

Armagh

Cookstown

Newry

Dungannon

Why use momondo?

Why should I use momondo to find a flight deal from California to Belfast?

It is quick and easy to find California to Belfast flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belfast that suits you.

Can I find flights from California to Belfast with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Belfast from California with this policy.

How can momondo help me find flights from California to Belfast?

Once you have performed a search for California to Belfast flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from California to Belfast right now. Can momondo alert me if prices change?

Yes. momondo can track prices for California to Belfast flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.