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$375+ Cheap flights from Fremont, CA to Barcelona

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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BCN
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheapflights Tip: The best prices from Fremont to Barcelona are usually found in January or February, booked 49 days in advance, depart on a Tuesday or Sunday and return on a Wednesday

Cheap flight deals from Fremont to Barcelona

Cheapest flights from Fremont to Barcelona
Explore the most affordable flight options available from Fremont to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:25 pmSFO - BCN
1 stop14h 35mMultiple Airlines
Thu 1/156:50 amBCN - SFO
1 stop14h 50mMultiple Airlines
Deal found 12/28$480
This Kiwi.com deal was found by Cheapflights users on 12/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:25 pmSFO - BCN
1 stop18h 35mSWISS
Mon 1/127:50 pmBCN - SFO
1 stop29h 40mSWISS
Deal found 12/27$486
This Air Canada deal was found by Cheapflights users on 12/28. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:25 amSFO - BCN
1 stop16h 10mAir Canada
Thu 1/151:35 pmBCN - SFO
2 stops36h 54mAir Canada
Deal found 12/28$496
This Delta deal was found by Cheapflights users on 12/26. 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.
Mon 12/2910:30 pmSFO - BCN
1 stop25h 10mDelta
Mon 1/121:00 pmBCN - SFO
1 stop31h 50mDelta
Deal found 12/26$497
This Kissandfly.com deal was found by Cheapflights users on 12/27. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:35 pmSFO - BCN
2 stops24h 25mLufthansa
Wed 1/147:40 amBCN - SFO
1 stop20h 55mLufthansa
Deal found 12/27$499
This CheapOair deal was found by Cheapflights users on 12/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:25 amSFO - BCN
1 stop16h 10mMultiple Airlines
Mon 1/122:55 pmBCN - SFO
1 stop34h 35mMultiple Airlines
Deal found 12/26$500
This KLM deal was found by Cheapflights users on 12/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:00 amSFO - BCN
1 stop17h 40mKLM
Mon 1/125:25 pmBCN - SFO
1 stop27h 25mKLM
Deal found 12/26$501
This Kissandfly.com deal was found by Cheapflights users on 12/27. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:00 amSFO - BCN
1 stop17h 40mMultiple Airlines
Wed 1/1410:55 amBCN - SFO
1 stop17h 54mMultiple Airlines
Deal found 12/27$502
This Cheapflightsfares deal was found by Cheapflights users on 12/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:25 pmSFO - BCN
1 stop14h 35mSWISS
Mon 1/127:50 pmBCN - SFO
2 stops30h 10mSWISS
Deal found 12/27$514
This Cheapflightsfares deal was found by Cheapflights users on 12/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:25 pmSFO - BCN
1 stop14h 35mMultiple Airlines
Sat 1/179:55 amBCN - SFO
1 stop15h 00mMultiple Airlines
Deal found 12/27$526

Find flight deals from Fremont to Barcelona

Keep the following information in mind while searching for Fremont to Barcelona flight deals. Data was last updated December 28, 2025.

Round-trip from

$477
(FlightHub)

One-way from

$375
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$874
From Fremont to Barcelona
Search Deals
One-way flight from Fremont to Barcelona
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($205 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 Barcelona 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 28, 2025.
Use the filters below to find and compare flights from Fremont to Barcelona that are best for you.

Fly from

Fremont

Fly to

Barcelona

Route

Depart

Return

Price

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Mon 2/16

4:40 pm-6:20 pm

1 stop16h 40m

Barcelona-El Prat

Mon 3/2

12:10 pm-2:35 pm

2 stops35h 25m

$487

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Tue 2/10

6:45 am-9:00 am

2 stops17h 15m

Barcelona-El Prat

Tue 2/17

1:35 pm-1:22 pm

2 stops32h 47m

$489

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Mon 3/2

4:40 pm-6:20 pm

1 stop16h 40m

Barcelona-El Prat

Fri 3/6

7:10 pm-2:35 pm

1 stop28h 25m

$492

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Wed 1/7

9:05 am-5:35 pm

2 stops23h 30m

Barcelona-El Prat

Thu 1/15

1:35 pm-9:17 pm

2 stops40h 42m

$493

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Wed 3/4

7:10 pm-3:40 pm

Nonstop11h 30m

Barcelona-El Prat

Tue 3/17

12:35 pm-9:22 pm

1 stop16h 47m

$493

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sun 3/1

4:40 pm-8:10 pm

2 stops18h 30m

Barcelona-El Prat

Thu 3/5

7:10 pm-2:35 pm

1 stop28h 25m

$497

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sun 2/22

12:43 am-9:35 am

3 stops23h 52m

Barcelona-El Prat

Thu 3/5

1:35 pm-9:22 pm

1 stop16h 47m

$501

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Tue 2/24

7:25 am-9:00 am

2 stops16h 35m

Barcelona-El Prat

Wed 3/11

12:35 pm-9:22 pm

1 stop16h 47m

$502

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Fri 4/24

4:45 pm-11:30 am

2 stops33h 45m

Barcelona-El Prat

Sat 5/9

11:50 am-2:40 pm

2 stops35h 50m

$507

San FranciscoBarcelona

SFO - BCN

SFOBCN

San Francisco

Sat 4/11

11:35 pm-12:50 pm

1 stop28h 15m

Barcelona-El Prat

Tue 4/28

10:05 am-7:54 pm

2 stops18h 49m

$522

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 23 results
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Best time to book a flight from Fremont to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona 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 Barcelona

How far ahead should I book a flight from Fremont to Barcelona?

Use this chart to determine the optimal time to book a round-trip flight from Fremont to Barcelona. Price data was last updated on December 26, 2025.

The price you pay for your flight from Fremont to Barcelona may vary depending on when you book. For the best chance of a lower fare, look to book 49 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Fremont to Barcelona (average of $374). Flying from Fremont to Barcelona in June is currently the most expensive (average of $702). 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.

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

Reviews of airlines servicing Barcelona

Get insights into the airlines that provide service to Barcelona. 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 Barcelona. Reviews last updated December 28, 2025.
Read through reviews of airlines operating flights from Fremont to Barcelona, such as United Airlines, Vueling, and Iberia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,114 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
9,114 reviews
United Airlines
7.4
Good
9,114 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Vueling
7.1
Good
1,221 reviews
United Airlines
7.4
Good
9,114 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Iberia
7.0
Good
3,059 reviews
United Airlines
7.4
Good
9,114 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
British Airways
6.7
Okay
7,617 reviews
United Airlines
7.4
Good
9,114 reviews

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Boarding

7.7

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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

    Airlines like Scandinavian Airlines and United Airlines fly from Fremont to Barcelona in about 16h 40m. The time it takes to get you to your destination can typically vary by up to 35m. Fremont and Barcelona are separated by a distance of 5952 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Fremont to Barcelona one-way?

    For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as $167. Users have also found prices from $190 and $210 on LEVEL and LEVEL, respectively.

  • What are the most popular routes from Fremont to Barcelona?

    The most popular route from Fremont to Barcelona is San Francisco - Barcelona-El Prat. You may also consider San Francisco - Girona Costa Brava or San Francisco - Reus.

  • What are the most reliable airlines from Fremont to Barcelona?

    Consider American Airlines (100%), Qatar Airways (100%) or Vueling (100%) when booking your flight. These represent the most reliable airlines when flying from Fremont to Barcelona.

  • What are the cheapest flights from Fremont to Barcelona?

    The cheapest flight price from Fremont to Barcelona is $302. On average you can expect to pay $1,772. The most popular route, (San Francisco - Barcelona-El Prat), can usually be booked for $427.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Fremont to Barcelona 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 Barcelona?

    Currently, October is the cheapest month in which you can book a flight from Fremont to Barcelona (average of $374). Flying from Fremont to Barcelona in June is currently the most expensive (average of $702). 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

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Alternative routes for Fremont to Barcelona

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Barcelona-El Prat flights
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San Francisco to Lleida flights
Los Angeles to Reus flights
San Francisco to Costa Brava flights
San Francisco to Reus flights
Los Angeles to Costa Brava flights
Las Vegas to Costa Brava flights

Top 10 airlines flying from Fremont to Barcelona

Discover the top 10 airlines that operate flights from Fremont to Barcelona. 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$323Average$714FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$358Average$479FlexibilityNo cancel feeOn-timeN/A
LEVELCheapest$374Average$624FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$404Average$930FlexibilityNo cancel feeOn-time72%
Scandinavian AirlinesCheapest$415Average$550FlexibilityNo cancel feeOn-time77%
FinnairCheapest$418Average$649FlexibilityNo cancel feeOn-time76%
VuelingCheapest$442Average$721FlexibilityNo cancel feeOn-time88%
ITA AirwaysCheapest$444Average$684FlexibilityNo cancel feeOn-time81%
Air FranceCheapest$447Average$720FlexibilityNo cancel feeOn-time77%
SWISSCheapest$460Average$600FlexibilityNo cancel feeOn-time79%

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