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$351+ Cheap flights from Fremont, CA to Belfast

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BHD
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Fremont to Belfast

Cheapest flights from Fremont to Belfast
Explore the most affordable flight options available from Fremont to Belfast. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2211:59 pmSFO - BHD
2 stops34h 41mBritish Airways
Mon 1/57:25 pmBHD - SFO
2 stops31h 47mBritish Airways
Deal found 12/14$1,723
This Finnair deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2310:10 amSFO - BHD
2 stops17h 20mFinnair
Sun 1/412:10 pmBHD - SFO
2 stops39h 34mFinnair
Deal found 12/14$2,204
This Finnair deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:10 amSFO - BHD
2 stops41h 20mFinnair
Sun 1/412:10 pmBHD - SFO
2 stops39h 34mFinnair
Deal found 12/14$2,214
This Finnair deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2110:10 amSFO - BHD
2 stops19h 45mFinnair
Sun 1/412:10 pmBHD - SFO
2 stops39h 34mFinnair
Deal found 12/14$2,400
This British Airways deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:20 pmSFO - BHD
2 stops16h 00mBritish Airways
Fri 1/28:45 amBHD - SFO
2 stops22h 36mBritish Airways
Deal found 12/14$2,406
This Finnair deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:10 amSFO - BHD
2 stops20h 05mFinnair
Sun 1/412:10 pmBHD - SFO
2 stops39h 34mFinnair
Deal found 12/14$2,470
This Finnair deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:12 amSFO - BHD
2 stops44h 03mFinnair
Sun 1/412:10 pmBHD - SFO
2 stops39h 34mFinnair
Deal found 12/14$2,491
This Delta deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/231:55 pmSFO - BHD
1 stop18h 55mDelta
Sun 1/45:20 pmBHD - SFO
2 stops35h 42mDelta
Deal found 12/14$2,553
This Delta deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:00 amSFO - BHD
2 stops26h 50mDelta
Sun 1/45:20 pmBHD - SFO
2 stops35h 42mDelta
Deal found 12/14$2,652
This Priceline deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/214:17 pmSFO - BHD
2 stops18h 23mBritish Airways
Sat 1/36:35 amBHD - SFO
2 stops25h 57mBritish Airways
Deal found 12/14$2,692
This Priceline deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/224:17 pmSFO - BHD
2 stops19h 58mBritish Airways
Sat 1/36:35 amBHD - SFO
2 stops25h 57mBritish Airways
Deal found 12/14$2,706

Find flight deals from Fremont to Belfast

Keep the following information in mind while searching for Fremont to Belfast flight deals. Data was last updated December 15, 2025.

Round-trip from

$620
(oojo)

One-way from

$351
(Kiwi.com)

Popular in

June

Cheapest in

April

Average price

$1,136
From Fremont to Belfast
Search Deals
One-way flight from Fremont to Belfast
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($160 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Fremont to Belfast 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 2,558,603 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from Fremont to Belfast that are best for you.

Fly from

Fremont

Fly to

Belfast

Route

Depart

Return

Price

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 1/13

5:30 pm-2:50 pm

1 stop13h 20m

Belfast City

Tue 1/20

6:35 am-3:00 pm

1 stop16h 25m

$620

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 3/4

5:30 pm-4:35 pm

1 stop15h 05m

Belfast City

Thu 3/19

11:05 am-7:45 pm

1 stop15h 40m

$627

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 2/1

5:30 pm-4:50 pm

1 stop15h 20m

Belfast City

Sun 2/15

10:40 am-6:45 pm

1 stop16h 05m

$650

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 4/8

4:25 pm-6:40 pm

2 stops18h 15m

Belfast City

Mon 4/13

7:30 pm-1:50 pm

1 stop26h 20m

$658

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 2/11

5:30 pm-4:35 pm

1 stop15h 05m

Belfast City

Sun 2/15

10:40 am-6:45 pm

1 stop16h 05m

$680

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Sat 1/10

7:00 am-10:05 am

3 stops43h 05m

$351

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 1/10

7:00 am-1:35 pm

3 stops46h 35m

$372

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sat 1/10

10:30 pm-10:20 am

2 stops27h 50m

$381

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Best time to book a flight from Fremont to Belfast

Have a flexible travel schedule? Discover the best time to fly to Belfast from Fremont with our price prediction graph.
Estimated round-trip 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 Fremont to Belfast

What is the cheapest month to book a flight from Fremont to Belfast?

Currently, April is the cheapest month in which you can book a flight from Fremont to Belfast (average of $587). Flying from Fremont to Belfast in November is currently the most expensive (average of $1,032). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from FR8 to BFS?

Find hourly flight availability from Fremont to Belfast. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.

It’s typically best to fly out from Fremont to Belfast in the morning. Doing so could potentially save you 20% on the flight price compared to flying in the evening, which is usually more expensive.

How much does it cost to fly round-trip from Fremont to Belfast?

Reviews of airlines servicing Belfast

Get insights into the airlines that provide service to Belfast. 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 Belfast. Reviews last updated December 15, 2025.
Read reviews from past customers who have flown British Airways from Fremont to Belfast. 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
7,575 reviews

Boarding

6.9

Food

6.4

Comfort

6.7

Overall

6.7

Entertainment

6.4

Crew

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.
British Airways
6.7
Okay
7,575 reviews
British Airways
6.7
Okay
7,575 reviews

Boarding

6.9

Food

6.4

Comfort

6.7

Overall

6.7

Entertainment

6.4

Crew

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

IAD - LHR

The plane had to load and unload passengers not through a jet way but out on the tarmac at Heathrow. The steps were steep. We weren't expecting to have to carry our luggage up and down stairs.

Related info for your journey

Find useful and relevant information for your journey from Fremont to Belfast. 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 Fremont to Belfast?

    British Airways can get you from Fremont to Belfast in just under 13h 20m. Your travel time can differ by up to . The distance from Fremont to Belfast is about 5038 mi.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Fremont to Belfast?

    Currently, April is the cheapest month in which you can book a flight from Fremont to Belfast (average of $587). Flying from Fremont to Belfast in November is currently the most expensive (average of $1,032). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 Fremont to Belfast

Discover the top airline that operate flights from Fremont to Belfast. 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 2,558,603 searches. Data last updated December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$621Average$758FlexibilityNo cancel feeOn-time70%

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