Cheap flights from San Francisco Bay Area to Belfast from £214

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco Bay Area to Belfast departing on 4/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from San Francisco Bay Area to Belfast

Cheap return flights

 Logo
14:40 - 22:50SFO-BFS
24h 10m2 stops
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16:25 - 17:35BFS-SFO
33h 10m2 stops
Tue, 2 Sep - Fri, 5 Sep
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14:40 - 22:50SFO-BFS
24h 10m2 stops
 Logo
08:35 - 09:30BFS-SFO
32h 55m3 stops
Tue, 2 Sep - Fri, 5 Sep
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14:40 - 21:20SFO-BFS
22h 40m3 stops
 Logo
08:35 - 09:30BFS-SFO
32h 55m3 stops
£1,309
Find Deal
Tue, 2 Sep - Fri, 5 Sep

momondo Fare Finder

 
Customise your flight search to find flights from San Francisco Bay Area to Belfast Intl Airport 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, momondo users made 279,928 searches. Data last updated 22 August 2025.
Use the filters below to find and compare flights from San Francisco Bay Area to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 2/9

14:40-22:50

2 stops24h 10m

Belfast Intl

Fri 5/9

16:25-17:35

2 stops33h 10m

£867

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 2/9

14:40-22:50

2 stops24h 10m

Belfast Intl

Fri 5/9

08:35-09:30

3 stops32h 55m

£992

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 2/9

14:40-21:20

3 stops22h 40m

Belfast Intl

Fri 5/9

08:35-09:30

3 stops32h 55m

£1,309

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Sat 4/10

10:15-15:55

3 stops45h 40m

£214

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Sat 4/10

20:10-23:10

2 stops43h 00m

£237

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Wed 27/8

14:22-14:30

2 stops40h 08m

£469

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Wed 27/8

14:40-08:50

3 stops58h 10m

£502

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Belfast from

How to get the cheapest flight ticket from San Francisco Bay Area to Belfast Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Belfast Intl Airport?

The month of October is, on average, the cheapest month to fly to Belfast Intl Airport from San Francisco Bay Area, with most prices found around £437. If you’re not able to fly to Belfast Intl Airport in October, then April is your next best option. Flight prices from San Francisco Bay Area to Belfast Intl Airport during April average around £463.

Can stopping save me money on San Francisco Bay Area to Belfast Intl Airport flights?

No. A direct flight is the cheapest option for a flight between San Francisco Bay Area to Belfast Intl Airport.

Cheap San Francisco Bay Area to Belfast Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco Bay Area to Belfast Intl Airport

Direct flights

None
There are no direct flights from San Francisco Bay Area to Belfast Intl Airport. There are no popular flight routes from San Francisco Bay Area to Belfast Intl Airport.
  • When did momondo last update prices for flights from San Francisco Bay Area to Belfast Intl Airport?

    Prices for flights from San Francisco Bay Area to Belfast Intl Airport are updated daily.

  • How old do you have to be to fly from San Francisco Bay Area to Belfast Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Bay Area to Belfast Intl Airport.

  • What documentation or ID do you need to fly to Belfast Intl Airport?

    The travel and health documents you'll need for your trip to Belfast Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Francisco Bay Area to Belfast Intl Airport?

Travelling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Ballymena
Newry
Armagh
Cookstown
Dungannon
Portadown

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco Bay Area to Belfast?

Finding the right flight to Belfast from San Francisco Bay Area is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Belfast quick and easy, saving you time and money.

Can I find flights from San Francisco Bay Area to Belfast with flexible booking policies on momondo?

All flight searches from San Francisco Bay Area to Belfast on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from San Francisco Bay Area to Belfast?

Once you have performed a search for San Francisco Bay Area to Belfast flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from San Francisco Bay Area to Belfast right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Francisco Bay Area to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.

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1 adult
Wed 27/8
Wed 3/9

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