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Cheap flights from Belfast to Fremont from £343

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SFO
5 Sep — 12 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to Fremont

Enter your travel dates to find the best prices.

Cheapest flights from Belfast to Fremont
Explore the most affordable flight options available from Belfast to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 August 2026.

Sun 30/819:10 -
1 stop26h 40m
Sun 6/909:12 -
2 stops17h 18m
Deal found 2/8£636
Tue 1/906:30 -
1 stop15h 20m
Tue 8/919:30 -
1 stop16h 10m
Deal found 4/8£641
Sun 20/909:45 -
1 stop34h 00m
Sun 27/913:45 -
1 stop19h 10m
Deal found 6/8£649
Fri 4/906:30 -
1 stop15h 20m
Sat 19/913:29 -
2 stops17h 36m
Deal found 2/8£657
Tue 1/917:30 -
2 stops35h 32m
Tue 8/909:55 -
2 stops39h 25m
Deal found 4/8£673
Fri 4/909:50 -
2 stops21h 57m
Sat 19/909:59 -
2 stops22h 56m
Deal found 2/8£676
Sun 20/917:30 -
2 stops32h 47m
Sun 27/920:41 -
2 stops36h 14m
Deal found 6/8£677
Wed 14/1006:30 -
1 stop15h 20m
Sun 18/1019:30 -
1 stop17h 05m
Deal found 4/8£685
Sun 20/921:10 -
3 stops32h 45m
Sun 27/908:10 -
3 stops31h 00m
Deal found 6/8£688
Tue 1/916:05 -
2 stops30h 35m
Tue 8/916:45 -
2 stops20h 35m
Deal found 4/8£709
Fri 4/906:05 -
2 stops18h 10m
Tue 8/919:35 -
2 stops17h 30m
Deal found 2/8£748
Sun 30/822:10 -
2 stops25h 40m
Sun 6/917:40 -
2 stops19h 50m
Deal found 2/8£755

Find flight deals from Belfast to Fremont

Keep the following information in mind while searching for Belfast to Fremont flight deals. Data was last updated 6 August 2026.

Round-trip from

£636

One-way from

£343

Popular in

March

Cheapest in

May

Average price

£783
British Airways
  • British Airways
  • 30/8-6/9
  • 3 total stops
  • 43h 58m total
  • Belfast to Fremont
Search Deals
2/9
  • 2/9
  • 3 total stops
  • 30h 00m total
  • Belfast to Fremont
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£115 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (£42 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Belfast to Fremont 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 858,174 searches. Data last updated 6 August 2026.
Use the filters below to find and compare flights from Belfast to Fremont that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Fri 4/9

06:30-13:50

1 stop15h 20m

San Francisco

Sat 19/9

13:29-15:05

2 stops17h 36m

£657

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Tue 1/9

17:30-21:02

2 stops35h 32m

San Francisco

Tue 8/9

09:55-09:20

2 stops39h 25m

£673

BelfastSan Francisco

BHD Belfast City - SFO San Francisco

BHDSFO

Belfast City

Wed 14/10

06:30-13:50

1 stop15h 20m

San Francisco

Sun 18/10

06:00-10:30

2 stops20h 30m

£685

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Sun 20/9

21:10-21:49

2 stops32h 39m

San Francisco

Sun 27/9

08:10-21:55

3 stops29h 45m

£698

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Tue 1/9

16:05-14:40

2 stops30h 35m

San Francisco

Tue 8/9

16:45-21:20

2 stops20h 35m

£709

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Fri 4/9

06:05-16:15

2 stops18h 10m

San Francisco

Tue 8/9

19:35-21:05

2 stops17h 30m

£748

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Sun 30/8

22:10-15:50

2 stops25h 40m

San Francisco

Sun 6/9

17:40-21:30

2 stops19h 50m

£755

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Sat 5/9

21:40-12:50

3 stops47h 10m

San Francisco

Sun 20/9

06:00-15:00

2 stops25h 00m

£780

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Mon 21/9

20:55-18:31

3 stops29h 36m

San Francisco

Wed 23/9

11:35-13:45

2 stops18h 10m

£825
Cheapest one-way

BelfastSan Francisco

BFS Belfast Intl - SFO San Francisco

BFSSFO

Belfast Intl

Sat 19/12

19:50-14:45

3 stops50h 55m

£419

Flights are sorted by cheapest return flights first.

Deals found on 5/8

Showing 1-10 of 22 resultsSorted by cheapest first
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2
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Best time to book a flight from Belfast to Fremont

Have a flexible travel schedule? Discover the best time to fly to Fremont from Belfast with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Belfast to Fremont

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

Reviews of airlines servicing Fremont

Get insights into the airlines that provide service to Fremont. 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 Fremont. Reviews last updated 6 August 2026.
Read reviews from past customers who have flown with British Airways from Belfast to Fremont. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
8,147 reviews
Check prices

Entertainment

6.5

Crew

7.7

Boarding

7.0

Food

6.4

Overall

6.7

Comfort

6.8

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.
British Airways
6.7
Okay
8,147 reviews
British Airways
6.7
Okay
8,147 reviews
Check prices

Entertainment

6.5

Crew

7.7

Boarding

7.0

Food

6.4

Overall

6.7

Comfort

6.8

Reviews

1 / 20
6.0
Good

Anonymous,May 2025

LHR - LAX

We needed assistance (wheelchair, golf cart, whatever ) to get to next gate. We requested it. None was provided.

Related info for your journey

Find useful and relevant information for your journey from Belfast to Fremont. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Belfast to Fremont?

    Airlines like British Airways and Virgin Atlantic fly from Belfast to Fremont in about 15h 20m. The time it takes to get you to your destination can typically vary by up to 20h 12m. The distance between Belfast and Fremont is about 5038 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Belfast to Fremont that include hotel bookings?

    Yes. In addition to deals on Belfast to Fremont flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast to Fremont?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to Fremont.

  • Can I find deals for business class flights from Belfast to Fremont?

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

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Belfast to Fremont

Discover the top airline that operate flights from Belfast to Fremont. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 6 August 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£520Average£644FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Belfast to Fremont?

Deals for Belfast to Fremont flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Belfast to Fremont?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Fremont from Belfast.

Can Cheapflights find flights from Belfast to Fremont with no change fees?

Certainly. Search results for flights to Fremont from Belfast shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Belfast to Fremont become cheaper?

Yes! Start tracking prices for Belfast to Fremont flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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