SFO - BFS

£257 Find Cheap Flights from San Francisco to Belfast Intl Airport

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 Belfast Intl departing on 27/4. 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, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Belfast Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Belfast, 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 Belfast, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest return fare
£695
Overall average: £444
Multiple Airlines
Wed 29/4Wed 6/5
SFO - BFS • 3 stops
Cheapest one-way flight
£257
Multiple Airlines
Mon 27/4
SFO - BFS • 3 stops
When to travel
April
Cheapest • 29% price drop
March
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Belfast Intl!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from San Francisco to Belfast Intl (SFO-BFS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from San Francisco to Belfast Intl 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 Belfast Intl

Wed, 29 Apr - Wed, 6 May
Multiple Airlines Logo
08:30 - 16:10
SFO
-
BFS
23h 40m
3 stops
Multiple Airlines Logo
06:05 - 12:00
BFS
-
SFO
37h 55m
3 stops
£695Multiple Airlines
Wed, 29 Apr - Wed, 6 May
Multiple Airlines Logo
17:40 - 22:20
SFO
-
BFS
20h 40m
2 stops
Multiple Airlines Logo
06:05 - 12:00
BFS
-
SFO
37h 55m
3 stops
£731Multiple Airlines
Sun, 17 May - Sun, 24 May
Multiple Airlines Logo
16:30 - 20:15
SFO
-
BFS
19h 45m
2 stops
Multiple Airlines Logo
14:40 - 14:30
BFS
-
SFO
31h 50m
2 stops
£820Multiple Airlines
Thu, 4 Jun - Sun, 14 Jun
Multiple Airlines Logo
16:05 - 22:50
SFO
-
BFS
22h 45m
1 stop
Multiple Airlines Logo
22:10 - 19:10
BFS
-
SFO
29h 00m
2 stops
£849Multiple Airlines
Tue, 5 May - Thu, 25 Jun
Multiple Airlines Logo
13:00 - 00:05
SFO
-
BFS
27h 05m
3 stops
Multiple Airlines Logo
06:40 - 15:27
BFS
-
SFO
16h 47m
2 stops
£853Multiple Airlines
Sun, 17 May - Sun, 24 May
Multiple Airlines Logo
08:05 - 21:30
SFO
-
BFS
29h 25m
3 stops
Multiple Airlines Logo
14:40 - 16:15
BFS
-
SFO
33h 35m
2 stops
£876Multiple Airlines
Wed, 29 Apr - Wed, 6 May
Multiple Airlines Logo
17:40 - 22:20
SFO
-
BFS
20h 40m
2 stops
Multiple Airlines Logo
05:55 - 16:15
BFS
-
SFO
18h 20m
2 stops
£882Multiple Airlines
Fri, 15 May - Sun, 24 May
Multiple Airlines Logo
17:35 - 21:15
SFO
-
BFS
19h 40m
2 stops
Multiple Airlines Logo
06:25 - 14:30
BFS
-
SFO
40h 05m
3 stops
£890Multiple Airlines
Tue, 5 May - Thu, 25 Jun
Multiple Airlines Logo
13:00 - 00:05
SFO
-
BFS
27h 05m
3 stops
Multiple Airlines Logo
08:10 - 15:50
BFS
-
SFO
39h 40m
3 stops
£895Multiple Airlines
Fri, 15 May - Sun, 24 May
Multiple Airlines Logo
08:30 - 21:15
SFO
-
BFS
28h 45m
3 stops
Multiple Airlines Logo
06:25 - 14:30
BFS
-
SFO
40h 05m
3 stops
£903Multiple Airlines
Booking Insights

KAYAK’s insights & trends for San Francisco to Belfast Intl flights

Get data-powered insights and trends into flights from San Francisco to Belfast Intl 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 Belfast Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Francisco to Belfast Intl Airport, 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 Belfast Intl Airport is April, where tickets cost £444 (return) on average. On the other hand, the most expensive months are June and December, where the average cost of round-trip tickets is £917 and £828 respectively.

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Good to know - Cheap tickets from San Francisco to Belfast Intl Airport

Low seasonFebruary
Cheapest flight£257
Best time to beat the crowds (26% less expensive on average)
Most popular time to fly (5% more expensive on average)
Flight from San Francisco to Belfast Intl Airport

When to book flights from San Francisco to Belfast Intl

Are your dates flexible? Find out the best times to travel from San Francisco to Belfast Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking San Francisco to Belfast Intl Airport flights

  • What is the cheapest flight from San Francisco to Belfast Intl Airport?

    In the last 3 days, the lowest price for a flight from San Francisco to Belfast Intl Airport was £257 for a one-way ticket and £695 for a return.

  • Which aircraft models fly most regularly from San Francisco to Belfast Intl Airport?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from San Francisco to Belfast Intl Airport?

    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 Belfast Intl Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to Belfast Intl Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Belfast Intl Airport from San Francisco 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 Belfast Intl Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Belfast Intl Airport with an airline and back to San Francisco with another airline.

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

    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 to Belfast Intl Airport from San Francisco 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 Belfast Intl

Information on your arrival and departure airports

San Francisco (SFO)
Belfast Intl (BFS)