HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Belfast

$288+ 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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BHD
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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.

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 September 15, 2025.

Round-trip from

$697
(British Airways)

One-way from

$288
(Kiwi.com)

Popular in

November

Cheapest in

October

Average price

$848
From Fremont to Belfast
Search Deals
One-way flight from Fremont to Belfast
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($128 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 September 15, 2025.

This British Airways deal was found by Cheapflights users on 9/14. 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.
Wed 12/35:30 pmSFO - BHD
1 stop15h 05mBritish Airways
Sun 12/73:10 pmBHD - SFO
1 stop35h 35mBritish Airways
Deal found 9/14$697
This Virgin Atlantic deal was found by Cheapflights users on 9/14. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/310:30 amSFO - BHD
2 stops26h 30mVirgin Atlantic
Sun 12/76:30 amBHD - SFO
1 stop13h 20mVirgin Atlantic
Deal found 9/14$704
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 12/311:55 amSFO - BHD
2 stops20h 55mDelta
Sun 12/76:30 amBHD - SFO
2 stops17h 27mDelta
Deal found 9/14$714
This Delta deal was found by Cheapflights users on 9/13. 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.
Fri 12/511:55 amSFO - BHD
2 stops20h 55mDelta
Tue 12/96:30 amBHD - SFO
2 stops17h 27mDelta
Deal found 9/13$736
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Thu 10/308:25 pmSFO - BFS
2 stops18h 55mMultiple Airlines
Thu 11/62:25 pmBFS - SFO
2 stops34h 05mMultiple Airlines
Deal found 9/15$844
This Arangrant deal was found by Cheapflights users on 9/14. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/144:49 pmSFO - BHD
2 stops18h 36mBritish Airways
Tue 10/216:35 amBHD - SFO
2 stops22h 16mBritish Airways
Deal found 9/14$1,480

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 September 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

Fri 12/5

8:40 pm-7:15 pm

1 stop14h 35m

Belfast City

Tue 12/9

6:35 am-3:00 pm

1 stop16h 25m

$697

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 12/3

5:30 pm-4:35 pm

1 stop15h 05m

Belfast City

Sun 12/7

9:10 am-6:45 pm

1 stop17h 35m

$697

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Fri 12/5

10:40 am-4:50 pm

2 stops22h 10m

Belfast City

Tue 12/9

6:30 am-11:50 am

1 stop13h 20m

$704

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Fri 12/5

2:00 pm-4:50 pm

2 stops18h 50m

Belfast City

Tue 12/9

6:30 am-11:50 am

1 stop13h 20m

$704

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 12/3

10:30 am-9:00 pm

2 stops26h 30m

Belfast City

Sun 12/7

6:30 am-11:50 am

1 stop13h 20m

$704

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Wed 12/3

11:55 am-4:50 pm

2 stops20h 55m

Belfast City

Sun 12/7

6:30 am-3:57 pm

2 stops17h 27m

$714

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Thu 10/30

8:25 pm-10:20 pm

2 stops18h 55m

Belfast Intl

Thu 11/6

2:25 pm-4:30 pm

2 stops34h 05m

$844

San FranciscoBelfast

SFO - BHD

SFOBHD

San Francisco

Tue 10/14

4:49 pm-7:25 pm

2 stops18h 36m

Belfast City

Tue 10/21

6:35 am-8:51 pm

2 stops22h 16m

$1,480

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Mon 11/17

4:35 pm-7:50 am

3 stops55h 15m

$288

San FranciscoBelfast

SFO - BFS

SFOBFS

San Francisco

Mon 11/10

4:35 pm-7:50 am

3 stops55h 15m

$292

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 14 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, February is the cheapest month in which you can book a flight from Fremont to Belfast (average of $657). Flying from Fremont to Belfast in June is currently the most expensive (average of $1,189). 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 September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Fremont to Belfast as you normally would.

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 September 15, 2025.
Read reviews from past customers who have flown American Airlines and 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.
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Boarding

7.5

Crew

8.0

Food

6.4

Overall

7.2

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Boarding

7.5

Crew

8.0

Food

6.4

Overall

7.2

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
British Airways
6.7
Okay
7,361 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Boarding

7.5

Crew

8.0

Food

6.4

Overall

7.2

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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 and Virgin Atlantic can get you from Fremont to Belfast in just under 14h 35m. Your travel time can differ by up to 7h 35m. 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, February is the cheapest month in which you can book a flight from Fremont to Belfast (average of $657). Flying from Fremont to Belfast in June is currently the most expensive (average of $1,189). 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 2 airlines flying from Fremont to Belfast

Discover the top 2 airlines 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$588Average$752FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$635Average$845FlexibilityNo cancel feeOn-time71%

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.