Question 1

How does KAYAK find such low prices on flights from San Francisco to Northern Ireland?

Accepted Answer

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 San Francisco to Northern Ireland. <a href='/flight-routes/San-Francisco-SFO/Northern-Ireland-GBNIR'>Visit our flight page for the latest deals!>/a>

Question 2

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

Accepted Answer

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from San Francisco to Northern Ireland is likely to change within 7 days, so travelers know whether to wait or book now. <a href='/flight-routes/San-Francisco-SFO/Northern-Ireland-GBNIR'>Visit our flight page for the latest deals!>/a>

Question 3

What is the Hacker Fare option on flights from San Francisco to Northern Ireland?

Accepted Answer

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 San Francisco to Northern Ireland with an airline and back with another airline. <a href='/flight-routes/San-Francisco-SFO/Northern-Ireland-GBNIR'>Visit our flight page for the latest deals!>/a>

Question 4

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

Accepted Answer

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 San Francisco to Northern Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. <a href='/flight-routes/San-Francisco-SFO/Northern-Ireland-GBNIR'>Visit our flight page for the latest deals!>/a>

Question 5

Which airlines provide the cheapest flights from San Francisco to Northern Ireland?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from San Francisco to Northern Ireland were found on Virgin Atlantic ($633) and British Airways ($638).

Question 6

Which airlines provide the cheapest flights from San Francisco to Northern Ireland?

Accepted Answer

In the past 3 days, the cheapest round-trip tickets from San Francisco to Northern Ireland were found on Virgin Atlantic ($633) and British Airways ($638).

Question 7

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

Accepted Answer

The cheapest time of day to fly to Northern Ireland is generally in the afternoon, when round-trip flights cost $819 on average. Morning departures are around 60% more expensive than evening flights, on average. The most expensive time of day to fly to Northern Ireland is generally in the morning, which is peak travel time and where the average cost of a ticket is $1,295.

Question 8

What is the cheapest month to fly from San Francisco to Northern Ireland?

Accepted Answer

The cheapest month for flights from San Francisco to Northern Ireland is April, when tickets cost $622 (return) on average. On the other hand, the most expensive months are November and January, when the average cost of round-trip tickets is $1,405 and $1,339 respectively.

Question 9

What is the cheapest month to fly from San Francisco to Northern Ireland?

Accepted Answer

The cheapest month for flights from San Francisco to Northern Ireland is April, when tickets cost $622 (return) on average. On the other hand, the most expensive months are November and January, when the average cost of round-trip tickets is $1,405 and $1,339 respectively.

Question 10

Which airlines fly non-stop between San Francisco and Northern Ireland?

Accepted Answer

There is just one airline that flies from San Francisco to Northern Ireland direct and that is British Airways. The best round-trip deal found from British Airways for the route is to Belfast Intl Airport (BFS) and costs $621.

Question 11

Which airlines fly non-stop between San Francisco and Northern Ireland?

Accepted Answer

There is just one airline that flies from San Francisco to Northern Ireland direct and that is British Airways. The best round-trip deal found from British Airways for the route is to Belfast Intl Airport (BFS) and costs $621.

Question 12

How long does a flight from San Francisco to Northern Ireland take?

Accepted Answer

The duration of a flight to Northern Ireland depends on your arrival airport. The shortest route to Northern Ireland from San Francisco is to Belfast, which takes 14h 00m.

Question 13

How long does a flight from San Francisco to Northern Ireland take?

Accepted Answer

The duration of a flight to Northern Ireland depends on your arrival airport. The shortest route to Northern Ireland from San Francisco is to Belfast, which takes 14h 00m.

Low season	January
High season	March
Cheapest flight	$633

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Get data-powered insights and trends into flights from San Francisco to Northern Ireland to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from San Francisco to Northern Ireland?

The cheapest month for flights from San Francisco to Northern Ireland is April, when tickets cost $622 (return) on average. On the other hand, the most expensive months are November and January, when the average cost of round-trip tickets is $1,405 and $1,339 respectively.

Which airlines fly non-stop between San Francisco and Northern Ireland?

There is just one airline that flies from San Francisco to Northern Ireland direct and that is British Airways. The best round-trip deal found from British Airways for the route is to Belfast Intl Airport (BFS) and costs $621.

Which airlines provide the cheapest flights from San Francisco to Northern Ireland?

In the past 3 days, the cheapest round-trip tickets from San Francisco to Northern Ireland were found on Virgin Atlantic ($633) and British Airways ($638).

How long does a flight from San Francisco to Northern Ireland take?

The duration of a flight to Northern Ireland depends on your arrival airport. The shortest route to Northern Ireland from San Francisco is to Belfast, which takes 14h 00m.

Good to know

FAQs - booking Northern Ireland flights

How does KAYAK find such low prices on flights from San Francisco 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 San Francisco to Northern Ireland.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from San Francisco 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 San Francisco 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 San Francisco 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 San Francisco 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 San Francisco 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 time of day to fly to Northern Ireland?

Reviews of the top airline flying from San Francisco to Northern Ireland

Everything you need to know for your flight from San Francisco to Northern Ireland

Information on your arrival and departure airports

Cabin class types available on flights to Northern Ireland

Complete your trip to Northern Ireland with a hotel stay or car rental

Flights to other popular destinations

Flights from other airports in San Francisco to Northern Ireland

Flights from San Francisco to popular cities in Northern Ireland

Find deals for your return flight