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 travellers 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 return 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 return tickets from San Francisco to Northern Ireland were found on British Airways (£513) and Delta (£515).

Question 6

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

Accepted Answer

In the past 3 days, the cheapest return tickets from San Francisco to Northern Ireland were found on British Airways (£513) and Delta (£515).

Question 7

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 October, when tickets cost £433 (return) on average. On the other hand, the most expensive months are November and January, when the average cost of return tickets is £1,034 and £985 respectively.

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 October, when tickets cost £433 (return) on average. On the other hand, the most expensive months are November and January, when the average cost of return tickets is £1,034 and £985 respectively.

Question 9

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 15h 35m.

Question 10

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 15h 35m.

Low season	January
High season	March
Cheapest flight	£212

£212 Find Cheap Flights from San Francisco to Northern Ireland

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KAYAK's insights & trends for San Francisco to Northern Ireland flights

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 October, when tickets cost £433 (return) on average. On the other hand, the most expensive months are November and January, when the average cost of return tickets is £1,034 and £985 respectively.

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

In the past 3 days, the cheapest return tickets from San Francisco to Northern Ireland were found on British Airways (£513) and Delta (£515).

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 15h 35m.

Good to know - Cheap tickets from San Francisco to Northern Ireland

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 travellers 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 return 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.

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 hire

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