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$299+ Cheap flights from Fremont, CA to Portugal

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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LIS
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Fremont to Portugal

Keep the following information in mind while searching for Fremont to Portugal flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$550
(Gotogate)

One-way from

$299
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$693
Provider with most accurate pricing for San Francisco-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Lisbon Humberto Delgado flights.
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From Fremont to Portugal
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One-way flight from Fremont to Portugal
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Highest demand for flights based on searches. 22% potential increase in price ($257 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Fremont to Portugal

Cheapest flights from Fremont to Portugal
Explore the most affordable flight options available from Fremont to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/168:30 amSFO - OPO
2 stops20h 05mAir Canada
Tue 4/16:00 amOPO - SFO
2 stops23h 37mAir Canada
Deal found 2/20$602
This United deal was found by Cheapflights users on 2/20. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:30 amSFO - LIS
1 stop20h 45mUnited Airlines
Thu 11/1311:00 amLIS - SFO
1 stop18h 51mUnited Airlines
Deal found 2/20$604
This Air Canada deal was found by Cheapflights users on 2/20. 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 3/174:30 pmSFO - LIS
2 stops33h 50mAir Canada
Wed 4/211:25 amLIS - SFO
2 stops29h 54mAir Canada
Deal found 2/20$605
This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
Mon 3/178:25 pmSFO - LIS
1 stop32h 00mSWISS
Tue 4/15:55 amLIS - SFO
1 stop18h 15mSWISS
Deal found 2/20$610
This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
Sat 4/127:20 pmSFO - LIS
Nonstop11h 10mMultiple Airlines
Tue 4/299:35 pmLIS - SFO
2 stops31h 50mMultiple Airlines
Deal found 2/20$611
This KLM deal was found by Cheapflights users on 2/19. 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 3/102:50 pmSFO - LIS
1 stop16h 45mKLM
Mon 3/1711:25 amLIS - SFO
1 stop32h 25mKLM
Deal found 2/19$612
This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/168:25 pmSFO - OPO
1 stop15h 05mMultiple Airlines
Tue 4/112:05 pmOPO - SFO
2 stops30h 32mMultiple Airlines
Deal found 2/20$617
This CheapOair deal was found by Cheapflights users on 2/19. 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.
Sun 3/99:40 pmSFO - LIS
1 stop34h 15mBritish Airways
Sun 3/163:45 pmLIS - SFO
1 stop31h 15mBritish Airways
Deal found 2/19$618
This United deal was found by Cheapflights users on 2/20. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/210:40 amSFO - OPO
1 stop15h 05mUnited Airlines
Wed 4/912:10 pmOPO - SFO
1 stop15h 50mUnited Airlines
Deal found 2/20$627
This Delta deal was found by Cheapflights users on 2/20. 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 3/162:50 pmSFO - LIS
1 stop16h 45mDelta
Thu 4/310:00 amLIS - SFO
2 stops22h 19mDelta
Deal found 2/20$629
This Lufthansa deal was found by Cheapflights users on 2/20. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/199:35 pmSFO - LIS
1 stop18h 55mLufthansa
Mon 3/312:25 pmLIS - SFO
1 stop36h 35mLufthansa
Deal found 2/20$632
This Gotogate deal was found by Cheapflights users on 2/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/168:25 pmSFO - OPO
1 stop15h 05mSWISS
Tue 4/18:40 amOPO - SFO
1 stop15h 30mSWISS
Deal found 2/20$634

Find flights from Fremont to Portugal within your budget

Customize your flight search to find flights from Fremont to Portugal 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 February 20, 2025.

Fly from

Fremont

Fly to

Portugal

Route

Depart

Return

Price

San FranciscoFaro

SFO - FAO

SFOFAO

San Francisco

Mon 3/31

6:20 pm-8:50 am

1 stop30h 30m

Faro

Wed 4/16

9:40 am-4:30 pm

1 stop38h 50m

$550

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

Sun 3/16

8:30 am-11:35 am

2 stops20h 05m

Porto

Tue 4/1

6:00 am-9:37 pm

2 stops23h 37m

$602

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Tue 3/11

1:08 pm-10:15 am

1 stop14h 07m

Lisbon Humberto Delgado

Tue 4/8

11:25 am-9:45 pm

1 stop18h 20m

$604

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Mon 3/17

4:30 pm-9:20 am

2 stops33h 50m

Lisbon Humberto Delgado

Tue 4/1

11:25 am-9:49 pm

2 stops18h 24m

$605

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Mon 3/17

8:25 pm-11:25 am

1 stop32h 00m

Lisbon Humberto Delgado

Tue 4/1

5:55 am-4:10 pm

1 stop18h 15m

$610

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sat 4/12

7:20 pm-2:30 pm

Nonstop11h 10m

Lisbon Humberto Delgado

Tue 4/29

9:35 pm-9:25 pm

2 stops31h 50m

$611

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Mon 3/10

2:50 pm-2:35 pm

1 stop16h 45m

Lisbon Humberto Delgado

Mon 3/17

11:25 am-12:50 pm

1 stop32h 25m

$612

San FranciscoPorto

SFO - OPO

SFOOPO

San Francisco

Sun 3/16

8:25 pm-6:30 pm

1 stop15h 05m

Porto

Tue 4/1

12:05 pm-10:37 am

2 stops30h 32m

$617

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sun 3/9

9:40 pm-2:55 pm

1 stop34h 15m

Lisbon Humberto Delgado

Sun 3/16

3:45 pm-4:00 pm

1 stop31h 15m

$618

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Tue 3/18

6:30 am-10:35 am

2 stops21h 05m

Lisbon Humberto Delgado

Fri 3/28

5:00 am-9:09 pm

2 stops23h 09m

$627

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 60 results
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Best time to book a flight from Fremont to Portugal

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

Travel insights for flights from Fremont to Portugal

Get recent, data-driven insights about flights from Fremont to Portugal including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Fremont to Portugal (average of $612). Flying from Fremont to Portugal in June is currently the most expensive (average of $1,234). 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 PT?

Find hourly flight availability from Fremont to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from Fremont to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Fremont to Portugal?

Use this chart to determine the cheapest time to fly round-trip from Fremont to Portugal. Price data was last updated on June 30, 2024.

Travelers seeking maximum savings on their Fremont to Portugal flight should consider departing on Friday evenings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated February 20, 2025.
Get a feel of what it's like to fly with Delta, KLM and Air Transat from Fremont to Portugal by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Transat
7.8
Good
380 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.5
Good
1,568 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Fremont to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Fremont to Portugal flight route?

    Flights from Fremont to Portugal have been viewed 95 times in the past calendar month.

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

    One-way options have recently been found by users for as low as $322 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Iberia from $392 and Scandinavian Airlines from $398 one-way.

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

    When deciding which route to take from Fremont to Portugal consider San Francisco - Lisbon Humberto Delgado, San Francisco - Porto or San Francisco - Lajes as they are the most popular.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Fremont to Portugal on time: JetBlue (64%), Etihad Airways (62%), TAP AIR PORTUGAL (62%).

  • What are the cheapest flights from Fremont to Portugal?

    Looking at all options, your cheapest flight can be booked for $338. While the most popular route (San Francisco - Lisbon Humberto Delgado) can be booked for $549 on average our data indicates $1,226 when flying from Fremont to Portugal.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Fremont to Portugal (average of $612). Flying from Fremont to Portugal in June is currently the most expensive (average of $1,234). 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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Top 10 airlines flying from Fremont to Portugal

Discover the top 10 airlines that operate flights from Fremont to Portugal. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$375Average$988FlexibilityNo cancel feeOn-timeN/A
LEVELCheapest$464Average$1,019FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$516Average$1,017FlexibilityNo cancel feeOn-time77%
DeltaCheapest$553Average$977FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$565Average$970FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$569Average$1,042FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$596Average$693FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$601Average$899FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$613Average$879FlexibilityNo cancel feeOn-time71%
SWISSCheapest$615Average$915FlexibilityNo cancel feeOn-time79%
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