$428 Find Cheap Flights from Belfast to San Francisco

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Belfast to San Francisco departing on 9/3. 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.
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KAYAK searches hundreds of travel sites at once for deals on flights to San Francisco

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Belfast to San Francisco 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.

Recent round-trip flight deals from Belfast to San Francisco

KAYAK's recommended round-trip deals from the most popular airlines that fly from Belfast to San Francisco.
Discover the best prices for you by selecting your travel dates on KAYAK.
British Airways Logo
7:05 am - 1:50 pmBHD-SFO
14h 45m1 stop
British Airways Logo
7:20 pm - 6:45 pmSFO-BHD
15h 25m1 stop
$709British Airways
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Sat, Aug 23 - Thu, Sep 4
British Airways Logo
7:05 am - 1:50 pmBHD-SFO
14h 45m1 stop
British Airways Logo
2:37 pm - 3:30 pmSFO-BHD
16h 53m2 stops
$762British Airways
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Sat, Aug 23 - Thu, Sep 4
British Airways Logo
7:05 am - 5:52 pmBHD-SFO
18h 47m2 stops
British Airways Logo
2:37 pm - 3:30 pmSFO-BHD
16h 53m2 stops
$768British Airways
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Sat, Aug 23 - Thu, Sep 4
Delta Logo
6:30 am - 11:45 amBHD-SFO
13h 15m1 stop
Delta Logo
5:15 pm - 9:15 pmSFO-BHD
20h 00m2 stops
$795Delta
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Wed, Aug 20 - Fri, Sep 5
Delta Logo
6:30 am - 6:07 pmBHD-SFO
19h 37m2 stops
Delta Logo
5:15 pm - 9:15 pmSFO-BHD
20h 00m2 stops
$800Delta
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Wed, Aug 20 - Fri, Sep 5
American Airlines Logo
6:35 am - 7:07 pmBHD-SFO
20h 32m2 stops
American Airlines Logo
3:11 pm - 5:15 pmSFO-BHD
18h 04m2 stops
$823American Airlines
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Fri, Jul 11 - Sat, Jul 26
Iberia Logo
6:35 am - 1:50 pmBHD-SFO
15h 15m1 stop
Iberia Logo
4:35 pm - 5:15 pmSFO-BHD
16h 40m1 stop
$942Iberia
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Fri, Jul 11 - Sat, Jul 26
Logo
9:30 pm - 9:25 pmBFS-SFO
31h 55m3 stops
Logo
11:50 am - 11:30 pmSFO-BFS
27h 40m2 stops
$1,143
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Sat, Aug 23 - Thu, Sep 4
Logo
6:55 am - 3:55 pmBHD-SFO
17h 00m2 stops
Logo
7:20 pm - 6:40 pmSFO-BHD
15h 20m1 stop
$1,361
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Wed, Sep 3 - Wed, Sep 3
American Airlines Logo
6:35 am - 8:26 pmBHD-SFO
21h 51m2 stops
American Airlines Logo
7:20 pm - 5:30 pmSFO-BHD
14h 10m1 stop
$1,370American Airlines
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Fri, Aug 1 - Mon, Aug 25
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KAYAK's insights & trends for Belfast to San Francisco flights

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

What is the cheapest month to fly from Belfast to San Francisco?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Belfast to San Francisco, 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 Belfast to San Francisco is April, where tickets cost $608 (return) on average. On the other hand, the most expensive months are June and August, where the average cost of round-trip tickets is $1,118 and $1,072 respectively.

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Good to know

Cheapest flight$428
Flight from Belfast Intl Airport to San Francisco

When to book flights from Belfast to San Francisco

Are your dates flexible? Find out the best times to travel from Belfast to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips 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 flights from Belfast to San Francisco

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

    In the last 3 days, the lowest price for a flight from Belfast to San Francisco was $428 for a one-way ticket and $709 for a round-trip.

  • Do I need a passport to fly between Belfast and San Francisco?

    Yes

  • Which airports will I be using when flying from Belfast to San Francisco?

    Belfast has 2 major airports: Belfast Intl and Belfast City. San Francisco is the only airport in San Francisco. You’ll usually find the cheapest deals if you fly from Belfast City Airport.

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

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

  • Which airline alliances offer flights from Belfast to San Francisco?

    oneworld, and SkyTeam are the airline alliances operating flights between Belfast and San Francisco, with oneworld being the most commonly used for this route.

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

    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 Belfast to San Francisco.

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

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

    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 to San Francisco with an airline and back to Belfast with another airline.

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

    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 San Francisco from Belfast 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 Belfast to San Francisco

Information on your arrival and departure airports

San Francisco (SFO)

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