£212 Find Cheap Flights from San Francisco to Northern Ireland

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to Northern Ireland departing on 17/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Northern Ireland, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Northern Ireland, as well as popular online travel agencies
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Flight Deals

Cheap Flights from San Francisco to Northern Ireland

Cheapest return prices found by our users on KAYAK in the last 72 hours
Belfast
Belfast1 stop£513
Belfast
Belfast1 stop£513

Book Cheap San Francisco to Northern Ireland Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from San Francisco to Northern Ireland that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from San Francisco to Northern Ireland

Wed, 3 Dec - Sun, 7 Dec
British Airways Logo
17:30 - 16:35SFO-BHD
15h 05m1 stop
British Airways Logo
15:10 - 18:45BHD-SFO
35h 35m1 stop
£513British Airways
Find Deal
Wed, 3 Dec - Sun, 7 Dec
Delta Logo
13:55 - 21:00SFO-BHD
23h 05m1 stop
Delta Logo
06:30 - 11:50BHD-SFO
13h 20m1 stop
£515Delta
Find Deal
Wed, 3 Dec - Sun, 7 Dec
Delta Logo
09:00 - 21:00SFO-BHD
28h 00m2 stops
Delta Logo
17:20 - 11:50BHD-SFO
26h 30m1 stop
£518Delta
Find Deal
Wed, 3 Dec - Sun, 7 Dec
Delta Logo
11:55 - 16:50SFO-BHD
20h 55m2 stops
Delta Logo
06:30 - 15:57BHD-SFO
17h 27m2 stops
£525Delta
Find Deal
Fri, 5 Dec - Tue, 9 Dec
Delta Logo
11:55 - 16:50SFO-BHD
20h 55m2 stops
Delta Logo
06:30 - 15:57BHD-SFO
17h 27m2 stops
£542Delta
Find Deal
Wed, 3 Dec - Sun, 7 Dec
KLM Logo
11:55 - 16:50SFO-BHD
20h 55m2 stops
KLM Logo
06:30 - 15:57BHD-SFO
17h 27m2 stops
£564KLM
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Multiple Airlines Logo
20:25 - 22:20SFO-BFS
18h 55m2 stops
Multiple Airlines Logo
14:25 - 16:30BFS-SFO
34h 05m2 stops
£621Multiple Airlines
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Multiple Airlines Logo
15:40 - 22:00SFO-BFS
23h 20m2 stops
Multiple Airlines Logo
06:15 - 16:05BFS-SFO
41h 50m3 stops
£665Multiple Airlines
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Multiple Airlines Logo
08:30 - 22:00SFO-BFS
30h 30m3 stops
Multiple Airlines Logo
06:15 - 16:05BFS-SFO
41h 50m3 stops
£669Multiple Airlines
Find Deal
Sat, 25 Oct - Sat, 8 Nov
Multiple Airlines Logo
16:30 - 21:15SFO-BFS
20h 45m1 stop
Multiple Airlines Logo
08:10 - 18:45BFS-SFO
18h 35m1 stop
£685Multiple Airlines
Find Deal
Booking Insights

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?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Francisco to Northern Ireland, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

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.

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

Low seasonJanuary
Cheapest flight£212
Best time to beat the crowds but there is an average 46% increase in price.
Most popular time to fly and prices are also 23% lower on average.
Flight from San Francisco to Belfast Intl Airport

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

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