HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Belfast

$478+ 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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BHD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Fremont to Belfast with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find 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 October 30, 2025.

This Iberia deal was found by Cheapflights users on 10/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/78:00 amSFO - BHD
2 stops18h 20mMultiple Airlines
Sun 12/149:10 amBHD - SFO
1 stop13h 50mMultiple Airlines
Deal found 10/28$669
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/301:19 pmSFO - BHD
2 stops17h 41mAmerican Airlines
Thu 11/66:35 amBHD - SFO
2 stops19h 51mAmerican Airlines
Deal found 10/28$677
This Virgin Atlantic deal was found by Cheapflights users on 10/27. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/31:55 pmSFO - BHD
1 stop23h 05mVirgin Atlantic
Sun 12/76:30 amBHD - SFO
1 stop13h 20mVirgin Atlantic
Deal found 10/27$685
This Delta deal was found by Cheapflights users on 10/28. 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.
Sat 11/156:00 amSFO - BHD
2 stops26h 50mDelta
Sun 11/236:30 amBHD - SFO
1 stop13h 20mDelta
Deal found 10/28$718
This Delta deal was found by Cheapflights users on 10/28. 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 11/256:00 amSFO - BHD
2 stops26h 50mDelta
Tue 12/26:30 amBHD - SFO
1 stop13h 20mDelta
Deal found 10/28$746
This Air France deal was found by Cheapflights users on 10/28. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/251:55 pmSFO - BHD
1 stop18h 55mMultiple Airlines
Tue 12/25:20 pmBHD - SFO
1 stop26h 30mMultiple Airlines
Deal found 10/28$782
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/258:25 amSFO - BFS
2 stops29h 15mMultiple Airlines
Tue 12/25:30 pmBFS - SFO
2 stops27h 10mMultiple Airlines
Deal found 10/28$817
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:55 pmSFO - BFS
1 stop18h 10mMultiple Airlines
Tue 12/28:55 pmBFS - SFO
2 stops31h 15mMultiple Airlines
Deal found 10/28$887
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/308:55 pmSFO - BFS
1 stop18h 10mMultiple Airlines
Thu 11/69:00 pmBFS - SFO
2 stops31h 10mMultiple Airlines
Deal found 10/28$957

Cheap flight deals from Fremont to Belfast

Keep the following information in mind while searching for Fremont to Belfast flight deals. Data was last updated October 30, 2025.

Round-trip from

$639
(Cheapflightsfares)

One-way from

$478
(Ovago)

Popular in

January

Cheapest in

April

Average price

$651
From Fremont to Belfast
Search Deals
One-way flight from Fremont to Belfast
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($176 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 30, 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 11/4

1:55 pm-4:50 pm

1 stop18h 55m

Belfast City

Thu 11/13

6:30 am-11:50 am

1 stop13h 20m

$655

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 11/4

1:55 pm-4:50 pm

1 stop18h 55m

Belfast City

Wed 11/12

6:30 am-11:50 am

1 stop13h 20m

$655

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 11/4

1:55 pm-9:00 pm

1 stop23h 05m

Belfast City

Wed 11/12

6:30 am-6:01 pm

2 stops19h 31m

$665

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 12/7

8:00 am-10:20 am

2 stops18h 20m

Belfast City

Sun 12/14

9:10 am-3:00 pm

1 stop13h 50m

$669

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 12/3

1:55 pm-9:00 pm

1 stop23h 05m

Belfast City

Sun 12/7

6:30 am-11:50 am

1 stop13h 20m

$685

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 11/25

3:30 pm-4:45 pm

2 stops17h 15m

Belfast City

Tue 12/2

6:35 am-6:24 pm

2 stops19h 49m

$689

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 11/25

8:25 am-9:40 pm

2 stops29h 15m

Belfast Intl

Tue 12/2

5:30 pm-12:40 pm

2 stops27h 10m

$817

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Tue 12/16

5:20 pm-10:35 pm

2 stops21h 15m

Belfast Intl

Tue 12/30

6:30 am-3:35 pm

2 stops17h 05m

$1,463

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 11/2

6:20 pm-9:10 pm

2 stops18h 50m

$478

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Sun 11/2

9:40 pm-5:35 pm

3 stops59h 55m

$533

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 11 results
1
2

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 January is currently the most expensive (average of $1,339). 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 October 30, 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.

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 October 30, 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
7,487 reviews

Comfort

6.7

Food

6.3

Entertainment

6.4

Boarding

6.9

Overall

6.7

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
7,487 reviews
British Airways
6.7
Okay
7,487 reviews

Comfort

6.7

Food

6.3

Entertainment

6.4

Boarding

6.9

Overall

6.7

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?

    KLM and Virgin Atlantic can get you from Fremont to Belfast in just under 18h 55m. Your travel time can differ by up to 4h 10m. The distance from Fremont to Belfast is about 5038 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 January is currently the most expensive (average of $1,339). 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$621Average$767FlexibilityNo cancel feeOn-time70%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.