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Cheap flights from Belfast to Fremont from £339

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SFO
29 Jun — 6 Jul1
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 30 May 2026.

Wed 2/906:30
BHD
-
SFO
1 stop15h 20m
British Airways
Sun 6/916:31
SFO
-
BHD
2 stops18h 14m
British Airways
Deal found 27/5£675
Thu 3/906:30
BHD
-
SFO
1 stop15h 20m
British Airways
Sat 26/916:35
SFO
-
BHD
1 stop17h 40m
British Airways
Deal found 30/5£700
Thu 3/906:30
BHD
-
SFO
1 stop15h 20m
British Airways
Sun 13/919:30
SFO
-
BHD
1 stop17h 05m
British Airways
Deal found 26/5£703
Wed 2/909:50
BHD
-
SFO
2 stops19h 12m
KLM
Sat 26/914:00
SFO
-
BHD
2 stops18h 55m
KLM
Deal found 30/5£711
Thu 3/909:50
BHD
-
SFO
2 stops22h 46m
KLM
Sun 13/922:45
SFO
-
BHD
2 stops34h 10m
KLM
Deal found 26/5£714
Tue 1/906:30
BHD
-
SFO
1 stop15h 20m
American Airlines
Sat 26/909:02
SFO
-
BHD
2 stops19h 23m
American Airlines
Deal found 30/5£720
Thu 3/909:50
BHD
-
SFO
2 stops19h 12m
KLM
Sat 26/914:20
SFO
-
BHD
2 stops18h 35m
KLM
Deal found 30/5£723
Thu 3/922:45
BFS
-
SFO
2 stops30h 05m
Multiple Airlines
Sun 13/915:05
SFO
-
BFS
1 stop19h 20m
Multiple Airlines
Deal found 26/5£786
Wed 2/909:35
BFS
-
SFO
2 stops36h 55m
Multiple Airlines
Sun 6/915:05
SFO
-
BFS
1 stop15h 55m
Multiple Airlines
Deal found 27/5£826
Sun 12/721:25
BFS
-
SFO
3 stops44h 55m
Multiple Airlines
Sun 19/711:40
SFO
-
BFS
2 stops22h 45m
Multiple Airlines
Deal found 29/5£842
Thu 25/608:20
BFS
-
SFO
3 stops35h 40m
Multiple Airlines
Thu 2/708:30
SFO
-
BFS
2 stops26h 25m
Multiple Airlines
Deal found 28/5£889
Wed 1/721:10
BFS
-
SFO
2 stops26h 17m
Multiple Airlines
Sun 12/711:10
SFO
-
BFS
2 stops23h 15m
Multiple Airlines
Deal found 27/5£913

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 30 May 2026.

Round-trip from

£675

One-way from

£339

Popular in

March

Cheapest in

August

Average price

£550
British Airways
  • British Airways
  • 2/9-6/9
  • 2 total stops
  • 29h 30m total
  • Belfast to Fremont
Search Deals
9/7
  • 9/7
  • 3 total stops
  • 55h 35m total
  • Belfast to Fremont
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£141 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 30 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
Fastest return journey

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 2/9

06:30-13:50

1 stop15h 20m

San Francisco

Sun 6/9

19:30-17:40

1 stop14h 10m

£675

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 2/9

09:50-21:02

2 stops19h 12m

San Francisco

Sat 26/9

14:00-16:55

2 stops18h 55m

£711

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 2/9

06:30-13:50

1 stop15h 20m

San Francisco

Sat 26/9

16:35-18:15

1 stop17h 40m

£720

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 1/9

06:30-13:50

1 stop15h 20m

San Francisco

Sat 26/9

09:02-12:25

2 stops19h 23m

£720

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 22/6

06:30-20:13

2 stops21h 43m

San Francisco

Mon 29/6

10:07-15:30

2 stops21h 23m

£732

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Mon 22/6

09:40-09:27

2 stops31h 47m

San Francisco

Mon 29/6

16:35-17:30

1 stop16h 55m

£736

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Fri 4/9

09:50-11:45

1 stop33h 55m

San Francisco

Sat 26/9

14:20-16:55

2 stops18h 35m

£737

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Thu 3/9

22:45-20:50

2 stops30h 05m

San Francisco

Sun 13/9

15:05-18:25

1 stop19h 20m

£786

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Wed 2/9

09:35-14:30

2 stops36h 55m

San Francisco

Sun 6/9

15:05-15:00

1 stop15h 55m

£826

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Thu 25/6

08:20-12:00

3 stops35h 40m

San Francisco

Thu 2/7

08:30-18:55

2 stops26h 25m

£889

Flights are sorted by cheapest return flights first.

Deals found on 25/5

Showing 1-10 of 26 resultsSorted by cheapest first
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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

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 30 May 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
8,010 reviews
Check prices

Comfort

6.8

Crew

7.7

Overall

6.7

Boarding

6.9

Food

6.4

Entertainment

6.4

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
8,010 reviews
British Airways
6.7
Okay
8,010 reviews
Check prices

Comfort

6.8

Crew

7.7

Overall

6.7

Boarding

6.9

Food

6.4

Entertainment

6.4

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

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, KLM, and American Airlines 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 3h 52m. 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 30 May 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£504Average£638FlexibilityNo cancel feeOn-time70%
Search British Airways 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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