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Cheap flights from Belfast to Fremont from £446

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SFO
14 Jul — 21 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 14 June 2026.

Fri 4/906:30
BHD
-
SFO
2 stops19h 30m
British Airways
Sat 19/913:29
SFO
-
BHD
2 stops17h 36m
British Airways
Deal found 12/6£568
Wed 8/717:30
BHD
-
SFO
1 stop26h 15m
KLM
Wed 15/717:07
SFO
-
BHD
2 stops15h 48m
KLM
Deal found 10/6£593
Wed 2/920:35
BHD
-
SFO
1 stop25h 15m
British Airways
Sun 6/919:30
SFO
-
BHD
1 stop14h 10m
British Airways
Deal found 13/6£595
Thu 3/906:30
BHD
-
SFO
2 stops19h 30m
American Airlines
Sat 19/916:35
SFO
-
BHD
1 stop17h 40m
American Airlines
Deal found 13/6£596
Tue 7/717:30
BHD
-
SFO
2 stops34h 36m
KLM
Tue 14/707:00
SFO
-
BHD
2 stops18h 20m
KLM
Deal found 9/6£608
Fri 4/906:05
BFS
-
SFO
2 stops18h 10m
Multiple Airlines
Sat 19/919:35
SFO
-
BFS
2 stops19h 05m
Multiple Airlines
Deal found 12/6£665
Thu 9/708:20
BFS
-
SFO
2 stops22h 37m
Multiple Airlines
Thu 16/708:15
SFO
-
BFS
2 stops29h 30m
Multiple Airlines
Deal found 11/6£682
Wed 22/722:45
BFS
-
SFO
3 stops45h 15m
Multiple Airlines
Wed 29/706:00
SFO
-
BFS
2 stops29h 15m
Multiple Airlines
Deal found 10/6£779
Wed 8/715:40
BFS
-
SFO
2 stops28h 05m
Multiple Airlines
Wed 15/715:05
SFO
-
BFS
2 stops23h 15m
Multiple Airlines
Deal found 10/6£787
Tue 7/705:55
BFS
-
SFO
3 stops38h 25m
Multiple Airlines
Tue 14/708:30
SFO
-
BFS
2 stops27h 20m
Multiple Airlines
Deal found 9/6£854

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 14 June 2026.

Round-trip from

£568

Popular in

March

Cheapest in

May

Average price

£646
British Airways
  • British Airways
  • 4/9-19/9
  • 4 total stops
  • 37h 06m total
  • Belfast to Fremont
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£112 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£43 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 14 June 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

Fri 4/9

06:30-18:00

2 stops19h 30m

San Francisco

Sat 19/9

19:30-18:15

1 stop14h 45m

£570

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 2/9

20:35-13:50

1 stop25h 15m

San Francisco

Sun 6/9

19:30-17:40

1 stop14h 10m

£595

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Tue 7/7

17:30-20:06

2 stops34h 36m

San Francisco

Tue 14/7

07:00-09:20

2 stops18h 20m

£608

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Thu 9/7

09:50-00:53

2 stops23h 03m

San Francisco

Thu 16/7

13:45-16:55

1 stop19h 10m

£610

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 8/7

17:30-11:45

1 stop26h 15m

San Francisco

Wed 15/7

13:45-16:55

1 stop19h 10m

£640

BelfastSan Francisco

BHD - SFO

BHDSFO

Belfast City

Wed 8/7

09:50-22:55

2 stops21h 05m

San Francisco

Wed 15/7

09:55-16:55

2 stops23h 00m

£645

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Fri 4/9

06:05-16:15

2 stops18h 10m

San Francisco

Sat 19/9

19:35-22:40

2 stops19h 05m

£665

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Thu 9/7

08:20-22:57

2 stops22h 37m

San Francisco

Thu 16/7

08:15-21:45

2 stops29h 30m

£682

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Wed 8/7

15:40-11:45

2 stops28h 05m

San Francisco

Wed 15/7

15:05-22:20

2 stops23h 15m

£787

BelfastSan Francisco

BFS - SFO

BFSSFO

Belfast Intl

Tue 7/7

05:55-12:20

3 stops38h 25m

San Francisco

Tue 14/7

06:00-19:50

3 stops29h 50m

£857

Flights are sorted by cheapest return flights first.

Deals found on 14/6

Showing 1-10 of 15 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 14 June 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
8,047 reviews
Check prices

Boarding

6.9

Crew

7.7

Overall

6.7

Comfort

6.8

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
8,047 reviews
British Airways
6.7
Okay
8,047 reviews
Check prices

Boarding

6.9

Crew

7.7

Overall

6.7

Comfort

6.8

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 Delta fly from Belfast to Fremont in about 19h 30m. The time it takes to get you to your destination can typically vary by up to 15h 06m. 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

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

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 14 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£509Average£655FlexibilityNo 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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