Find flights
Airlines
FAQs

Cheap flights from San Francisco to Northern Ireland from £517

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/10. 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.
SFO — BFS
23 May — 30 May1
1 adult
Thu 23/5
Thu 30/5

How far in advance should I book a flight from San Francisco to Northern Ireland?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 30 days in advance, which can save you up to 19% on flights from San Francisco to Northern Ireland compared to booking the week you need them. Waiting 30 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £479. For sooner than that we have options available in the next 3 days from £479.

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

February is one of the best times of the year to fly to Northern Ireland from San Francisco. Prices for February average £709 per person but you can even find prices for as low as £522. The most expensive prices can be found in the month of December. Opting for a February flight can save you 53% on your journey compared to booking in December

When is the cheapest time to fly from San Francisco to Northern Ireland (SFO - NIR)?

When flying from San Francisco to Northern Ireland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Delta flights from San Francisco to Northern Ireland

Explore cheap flight options specifically provided by Delta for the route between San Francisco and Northern Ireland. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 841,960 searches. Data last updated 18 May 2024.
Peruse some of the lowest-priced Delta flights we've found from San Francisco to Northern Ireland. Deals update often to give you more flight options matching your criteria
Wed 16/1012:48SFO - BHD
2 stops20h 02mDelta
Sun 20/1017:20BHD - SFO
1 stop26h 25mDelta
Deal found 17/5£523
Tue 12/1110:45SFO - BHD
2 stops22h 05mDelta
Fri 29/1117:20BHD - SFO
2 stops33h 03mDelta
Deal found 16/5£592
Thu 23/508:20SFO - BHD
2 stops24h 30mDelta
Wed 5/617:20BHD - SFO
2 stops32h 29mDelta
Deal found 17/5£854

Cheap American Airlines flights from San Francisco to Northern Ireland

Explore cheap flight options specifically provided by American Airlines for the route between San Francisco and Northern Ireland. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 841,960 searches. Data last updated 18 May 2024.
Some of the best deals we've found on American Airlines flights travelling from San Francisco to Northern Ireland. Make sure to examine the flight information before completing your reservation.
Tue 12/1120:45SFO - BHD
1 stop13h 50mAmerican Airlines
Fri 29/1106:50BHD - SFO
1 stop15h 25mAmerican Airlines
Deal found 16/5£584
Tue 12/1113:54SFO - BHD
2 stops18h 46mAmerican Airlines
Fri 29/1106:50BHD - SFO
1 stop15h 25mAmerican Airlines
Deal found 16/5£586

Cheap San Francisco to Northern Ireland flights in May & June 2024

Find cheap flight options from San Francisco to Northern Ireland specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 841,960 searches. Prices were last updated on 18 May 2024.
Check out some of the best flight deals from San Francisco to Northern Ireland in 2024. Check back in a little while for more flight options.
Mon 20/506:00SFO - BHD
2 stops26h 50mDelta
Mon 27/517:20BHD - SFO
1 stop26h 25mDelta
Deal found 17/5£555
Mon 20/510:55SFO - BHD
2 stops21h 55mDelta
Mon 27/517:20BHD - SFO
2 stops34h 20mDelta
Deal found 17/5£562
Mon 20/513:50SFO - BHD
1 stop19h 00mDelta
Mon 27/517:20BHD - SFO
1 stop26h 25mDelta
Deal found 17/5£630
Thu 23/513:55SFO - BHD
1 stop18h 55mKLM
Tue 4/617:20BHD - SFO
1 stop26h 25mKLM
Deal found 17/5£843
Thu 23/513:15SFO - BHD
2 stops19h 35mKLM
Tue 4/617:20BHD - SFO
1 stop26h 25mKLM
Deal found 17/5£846
Thu 23/508:20SFO - BHD
2 stops24h 30mDelta
Wed 5/617:20BHD - SFO
2 stops32h 29mDelta
Deal found 17/5£854
Mon 20/519:40SFO - BHD
2 stops16h 40mMultiple Airlines
Mon 27/518:20BHD - SFO
3 stops32h 40mMultiple Airlines
Deal found 17/5£981

San Francisco to Northern Ireland 2024 flight deals

Discover exclusive flight deals for travel between San Francisco and Northern Ireland in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 841,960 searches. Data last updated 18 May 2024.
Check out some of the best flight deals from San Francisco to Northern Ireland in 2024. Check back in a little while for more flight options.
Wed 16/1014:40SFO - BHD
1 stop16h 10mLufthansa
Sun 20/1010:15BHD - SFO
1 stop34h 25mLufthansa
Deal found 17/5£517
Wed 16/1012:48SFO - BHD
2 stops20h 02mDelta
Sun 20/1017:20BHD - SFO
1 stop26h 25mDelta
Deal found 17/5£523
Mon 20/506:00SFO - BHD
2 stops26h 50mDelta
Mon 27/517:20BHD - SFO
1 stop26h 25mDelta
Deal found 17/5£555
Wed 20/1113:50SFO - BHD
1 stop19h 00mKLM
Sun 24/1117:20BHD - SFO
1 stop26h 30mKLM
Deal found 16/5£555
Wed 20/1113:50SFO - BHD
1 stop19h 00mKLM
Sun 24/1117:20BHD - SFO
1 stop26h 30mKLM
Deal found 17/5£556
Wed 20/1106:15SFO - BHD
2 stops26h 35mKLM
Sun 24/1117:20BHD - SFO
1 stop26h 30mKLM
Deal found 16/5£559
Wed 20/1110:30SFO - BHD
2 stops22h 20mKLM
Sun 24/1117:20BHD - SFO
1 stop26h 30mKLM
Deal found 17/5£560
Mon 20/510:55SFO - BHD
2 stops21h 55mDelta
Mon 27/517:20BHD - SFO
2 stops34h 20mDelta
Deal found 17/5£562
Tue 12/1120:45SFO - BHD
1 stop13h 50mAmerican Airlines
Fri 29/1106:50BHD - SFO
1 stop15h 25mAmerican Airlines
Deal found 16/5£584

San Francisco to Northern Ireland flights leaving soon

Find last-minute flight options from San Francisco to Northern Ireland for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 841,960 searches. Data last updated 18 May 2024.
Have a look at some of the flights available from San Francisco to Northern Ireland departing last-minute. Users should be sure to double check the price, date, and time of their last-minute flight.
Thu 23/513:55SFO - BHD
1 stop18h 55mKLM
Tue 4/617:20BHD - SFO
1 stop26h 25mKLM
Deal found 17/5£843
Thu 23/513:15SFO - BHD
2 stops19h 35mKLM
Tue 4/617:20BHD - SFO
1 stop26h 25mKLM
Deal found 17/5£846
Thu 23/508:20SFO - BHD
2 stops24h 30mDelta
Wed 5/617:20BHD - SFO
2 stops32h 29mDelta
Deal found 17/5£854

Find flights from San Francisco to Northern Ireland within your budget

Customise your flight search to find flights from San Francisco to Northern Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 841,960 searches. Data last updated 18 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£517 - £592

Route

Depart

Return

Price

San FranciscoBelfast City

SFO - BHD

SFOBHD

San Francisco

Wed 16/10

1 stop16h 10m

Belfast City

Sun 20/10

1 stop34h 25m

£517

San FranciscoBelfast City

SFO - BHD

SFOBHD

San Francisco

Wed 16/10

2 stops20h 02m

Belfast City

Sun 20/10

1 stop26h 25m

£523

San FranciscoBelfast City

SFO - BHD

SFOBHD

San Francisco

Tue 12/11

1 stop13h 50m

Belfast City

Fri 29/11

1 stop15h 25m

£584

San FranciscoBelfast City

SFO - BHD

SFOBHD

San Francisco

Tue 12/11

2 stops18h 46m

Belfast City

Fri 29/11

1 stop15h 25m

£586

San FranciscoBelfast City

SFO - BHD

SFOBHD

San Francisco

Tue 12/11

2 stops22h 05m

Belfast City

Fri 29/11

2 stops33h 03m

£592

Flights are sorted by cheapest first

Deals found on 17/5

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Northern Ireland. Reviews last updated 18 May 2024.
Read reviews from past customers who have flown Delta, American Airlines and KLM from San Francisco to Northern Ireland. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very Good
10,647 reviews

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

8.0
Very Good
10,647 reviews
8.0
Very Good
10,647 reviews

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.3
Good
14,512 reviews
8.0
Very Good
10,647 reviews

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.0
Good
7,645 reviews
8.0
Very Good
10,647 reviews

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from San Francisco to Northern Ireland?

    San Francisco (SFO), located 11.8 mi from the city center, is the airport you fly out of when you book flights from San Francisco to Northern Ireland.

  • Can I find flights from San Francisco to Northern Ireland for under £600 on Cheapflights?

    Yes, there are multiple flights from San Francisco to Northern Ireland for under £600. The cheapest flight booked recently is on Lufthansa for just £517, but on average you can expect to pay £560.

  • Are there last-minute flights available from San Francisco to Northern Ireland for under £900?

    There are currently 3+ open flights from San Francisco to Northern Ireland within the next 7 days for less than £900.

  • What are the most popular routes from San Francisco to Northern Ireland?

  • What does SFO to BFS mean?

    SFO and BFS are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SFO to BFS refers to a flight route from San Francisco Airport to Belfast Intl Airport. Ready for more IATA code knowledge? These are related airports for your current travel destination: Belfast City Airport (BHD), Londonderry Eglinton Airport (LDY).

  • Can I find deals for flights from San Francisco to Northern Ireland that include extra baggage allowance?

    The amount of baggage you can bring on your San Francisco to Northern Ireland flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from San Francisco to Northern Ireland with specific airlines?

    Yes, Cheapflights allows you to browse and filter San Francisco to Northern Ireland flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from San Francisco to Northern Ireland that include hotel bookings?

    Yes. In addition to deals on San Francisco to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Northern Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Northern Ireland.

  • Can I find deals for business class flights from San Francisco to Northern Ireland?

    Yes. Cheapflights offers flight deals from San Francisco to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from San Francisco to Northern Ireland that allow pets onboard?

    Many airlines flying from San Francisco to Northern Ireland offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from San Francisco to Northern Ireland?

    Yes, you can often find last-minute deals on San Francisco to Northern Ireland flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the San Francisco to Northern Ireland flight deals updated?

    The San Francisco to Northern Ireland flight deals you see on this page were last updated on 17/5.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights from San Francisco to Northern Ireland by cabin class

Find flights from San Francisco to Northern Ireland, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to Northern Ireland?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Northern Ireland from San Francisco today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Northern Ireland?

Cheapflights simply makes it quick and affordable to book flights from San Francisco to Northern Ireland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from San Francisco to Northern Ireland with no change fees?

Need flexible booking options for your flight to Northern Ireland from San Francisco? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from San Francisco to Northern Ireland become cheaper?

Of course! You can now track prices for flights from San Francisco to Northern Ireland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.