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Cheap flights from Belfast to Fremont from £492

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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SFO
16 Jun — 23 Jun1
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 17 May 2026.

Tue 28/719:30
BHD
-
SFO
1 stop26h 20m
British Airways
Wed 19/819:30
SFO
-
BHD
1 stop15h 15m
British Airways
Deal found 16/5£654
Tue 28/706:30
BHD
-
SFO
2 stops26h 29m
Multiple Airlines
Wed 19/809:46
SFO
-
BHD
2 stops21h 54m
Multiple Airlines
Deal found 16/5£657
Wed 2/906:30
BHD
-
SFO
1 stop15h 20m
American Airlines
Thu 24/919:30
SFO
-
BHD
1 stop15h 55m
American Airlines
Deal found 16/5£673
Tue 1/920:25
BHD
-
SFO
1 stop25h 25m
British Airways
Fri 25/916:21
SFO
-
BHD
2 stops17h 49m
British Airways
Deal found 16/5£675
Sun 26/713:10
BHD
-
SFO
1 stop32h 40m
British Airways
Mon 17/815:46
SFO
-
BHD
2 stops19h 39m
British Airways
Deal found 16/5£676
Mon 27/706:30
BHD
-
SFO
2 stops25h 29m
American Airlines
Thu 20/815:46
SFO
-
BHD
2 stops19h 39m
American Airlines
Deal found 16/5£677
Mon 31/809:50
BHD
-
SFO
1 stop33h 55m
KLM
Thu 24/913:00
SFO
-
BHD
2 stops19h 55m
KLM
Deal found 16/5£678
Tue 1/909:40
BHD
-
SFO
1 stop36h 10m
American Airlines
Wed 23/911:15
SFO
-
BHD
2 stops18h 20m
American Airlines
Deal found 16/5£681
Wed 2/909:50
BHD
-
SFO
2 stops19h 45m
KLM
Thu 24/913:00
SFO
-
BHD
2 stops19h 55m
KLM
Deal found 16/5£682
Tue 1/920:25
BHD
-
SFO
1 stop25h 25m
British Airways
Wed 23/919:30
SFO
-
BHD
1 stop15h 15m
British Airways
Deal found 16/5£684
Tue 1/909:40
BHD
-
SFO
2 stops20h 38m
American Airlines
Thu 24/911:30
SFO
-
BHD
2 stops20h 00m
American Airlines
Deal found 16/5£686
Tue 9/607:00
BFS
-
SFO
2 stops22h 10m
Multiple Airlines
Tue 16/616:30
SFO
-
BFS
2 stops22h 50m
Multiple Airlines
Deal found 12/5£748

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 17 May 2026.

Round-trip from

£654

One-way from

£492

Popular in

March

Cheapest in

August

Average price

£555
British Airways
  • British Airways
  • 28/7-19/8
  • 2 total stops
  • 41h 35m total
  • Belfast to Fremont
Search Deals
8/8
  • 8/8
  • 3 total stops
  • 47h 00m total
  • Belfast to Fremont
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£143 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£46 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 17 May 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

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Sun 26/7

15:50-13:50

1 stop30h 00m

San Francisco

Wed 19/8

15:46-18:45

2 stops18h 59m

£676
Fastest return journey

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 27/7

06:30-13:50

1 stop15h 20m

San Francisco

Thu 20/8

16:35-15:30

1 stop14h 55m

£676

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 28/7

20:25-13:50

1 stop25h 25m

San Francisco

Mon 17/8

13:43-15:30

2 stops17h 47m

£676

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 5/8

10:05-20:13

2 stops18h 08m

San Francisco

Wed 12/8

19:30-19:50

1 stop16h 20m

£687

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Sat 7/11

06:35-15:00

1 stop16h 25m

San Francisco

Tue 10/11

17:30-18:40

1 stop17h 10m

£708

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Sun 30/8

20:10-13:50

1 stop25h 40m

San Francisco

Fri 25/9

16:35-15:30

1 stop14h 55m

£720

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Tue 9/6

07:00-21:10

2 stops22h 10m

San Francisco

Tue 16/6

16:30-23:20

2 stops22h 50m

£748

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Fri 12/6

11:25-13:50

1 stop34h 25m

San Francisco

Fri 19/6

13:00-16:30

2 stops19h 30m

£771

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Wed 10/6

06:05-16:35

3 stops42h 30m

San Francisco

Wed 17/6

08:05-22:20

3 stops30h 15m

£831

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Tue 23/6

21:25-21:02

2 stops31h 37m

San Francisco

Tue 30/6

08:30-15:15

2 stops22h 45m

£867

Flights are sorted by cheapest return flights first.

Deals found on 15/5

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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

How much does it cost for a return flight from Belfast to Fremont?

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 17 May 2026.
Read reviews from past customers who have flown with American Airlines and 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.
American Airlines
7.1
Good
11,654 reviews
Check prices

Food

6.4

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Overall

7.1

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,654 reviews
American Airlines
7.1
Good
11,654 reviews
Check prices

Food

6.4

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Overall

7.1

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
British Airways
6.7
Okay
7,985 reviews
American Airlines
7.1
Good
11,654 reviews
Check prices

Food

6.4

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Overall

7.1

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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 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 . The distance between Belfast and Fremont is about 5038 mi.

  • 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

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

Top 2 airlines flying from Belfast to Fremont

Discover the top 2 airlines 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 17 May 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£430Average£580FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£476Average£527FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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 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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