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$317+ Cheap flights from Fremont, CA to Lisbon (LIS)

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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LIS
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Fremont to Lisbon Humberto Delgado are usually found in February or January, booked 89 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Fremont to Lisbon

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

Round-trip from

$600
(Finnair)

One-way from

$317
(FlightHub)

Popular in

December

Cheapest in

February

Average price

$811
From Fremont to Lisbon Humberto Delgado
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One-way flight from Fremont to Lisbon Humberto Delgado
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Fremont to Lisbon

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

This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/111:15 amSFO - LIS
2 stops21h 10mFinnair
Wed 11/126:30 amLIS - SFO
2 stops25h 29mFinnair
Deal found 9/15$600
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/198:25 pmSFO - LIS
1 stop18h 00mAir France
Sat 11/14:10 pmLIS - SFO
1 stop29h 15mAir France
Deal found 9/15$604
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/229:40 pmSFO - LIS
1 stop17h 50mUnited Airlines
Tue 12/25:00 amLIS - SFO
1 stop15h 40mUnited Airlines
Deal found 9/15$606
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.
Thu 9/2512:40 pmSFO - LIS
2 stops21h 10mDelta
Thu 10/95:40 amLIS - SFO
1 stop15h 10mDelta
Deal found 9/14$610
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/132:40 pmSFO - LIS
2 stops20h 20mBrussels Airlines
Mon 10/207:55 pmLIS - SFO
2 stops24h 45mBrussels Airlines
Deal found 9/13$611
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/219:05 pmSFO - LIS
2 stops18h 25mLufthansa
Wed 10/292:10 pmLIS - SFO
2 stops30h 30mLufthansa
Deal found 9/15$612
This Cheapflightsfares deal was found by Cheapflights users on 9/12. 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 10/137:40 pmSFO - LIS
1 stop19h 40mSWISS
Sat 10/255:55 amLIS - SFO
2 stops22h 15mSWISS
Deal found 9/12$613
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/124:21 pmSFO - LIS
2 stops22h 04mBritish Airways
Mon 12/156:35 pmLIS - SFO
1 stop28h 25mBritish Airways
Deal found 9/14$615
This SWISS 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:25 pmSFO - LIS
1 stop35h 10mSWISS
Sat 11/1512:35 pmLIS - SFO
1 stop35h 55mSWISS
Deal found 9/13$616
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.
Thu 10/28:25 pmSFO - LIS
1 stop28h 25mDelta
Thu 10/99:50 amLIS - SFO
2 stops21h 43mDelta
Deal found 9/13$617
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/134:55 pmSFO - LIS
2 stops21h 10mLufthansa
Sat 11/85:00 amLIS - SFO
2 stops22h 35mLufthansa
Deal found 9/14$618
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/68:30 amSFO - LIS
2 stops26h 30mBrussels Airlines
Tue 10/147:55 pmLIS - SFO
2 stops24h 45mBrussels Airlines
Deal found 9/13$619

Cheapflights Fare Finder

 
Customize your flight search to find flights from Fremont to Lisbon 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 Lisbon that are best for you.

Fly from

Fremont

Fly to

Lisbon

Route

Depart

Return

Price

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 10/17

7:25 am-11:05 am

2 stops19h 40m

Lisbon Humberto Delgado

Mon 11/10

6:10 am-7:35 pm

1 stop21h 25m

$611

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sat 10/11

1:45 pm-5:55 pm

2 stops20h 10m

Lisbon Humberto Delgado

Thu 10/30

5:30 am-4:05 pm

2 stops17h 35m

$621

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sun 11/23

9:40 pm-11:30 pm

1 stop17h 50m

Lisbon Humberto Delgado

Sat 11/29

12:20 pm-12:40 pm

1 stop32h 20m

$626

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Thu 11/13

4:40 pm-10:00 pm

2 stops45h 20m

Lisbon Humberto Delgado

Sat 11/22

8:05 am-2:35 pm

2 stops38h 30m

$628

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Thu 10/23

12:43 am-8:20 am

2 stops23h 37m

Lisbon Humberto Delgado

Fri 10/31

6:10 am-8:35 pm

1 stop21h 25m

$634

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Sat 11/22

12:30 pm-5:30 pm

2 stops21h 00m

Lisbon Humberto Delgado

Sat 11/29

12:20 pm-11:30 am

2 stops31h 10m

$641

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 9/26

9:20 pm-10:35 am

1 stop29h 15m

Lisbon Humberto Delgado

Tue 10/7

6:10 pm-4:10 pm

1 stop30h 00m

$644

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Thu 11/20

8:40 pm-9:55 pm

1 stop17h 15m

Lisbon Humberto Delgado

Tue 12/2

7:40 pm-3:00 pm

1 stop27h 20m

$648

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 10/31

10:40 pm-1:20 pm

1 stop31h 40m

Lisbon Humberto Delgado

Tue 11/11

5:00 am-12:40 pm

1 stop15h 40m

$654

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 12/12

10:30 am-3:10 pm

2 stops20h 40m

Lisbon Humberto Delgado

Mon 12/22

5:30 am-7:59 pm

2 stops22h 29m

$656

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 22 results
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Best time to book a flight from Fremont to Lisbon

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

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

Use this chart to determine the optimal time to book a round-trip flight from Fremont to Lisbon. Price data was last updated on September 12, 2025.

The best time to book flights from Fremont to Lisbon is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Fremont to Lisbon (average of $612). Flying from Fremont to Lisbon in June is currently the most expensive (average of $1,127). 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 LIS?

Find hourly flight availability from Fremont to Lisbon. 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.

When flying from Fremont to Lisbon, 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 Lisbon?

Use this chart to determine the cheapest time to fly round-trip from Fremont to Lisbon. Price data was last updated on December 16, 2024.

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

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. 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 Lisbon. Reviews last updated September 15, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and Air Canada from Fremont to Lisbon by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

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
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

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.
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

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 Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

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.
TAP AIR PORTUGAL
7.1
Good
1,975 reviews
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

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.
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

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 Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Lisbon from Fremont?

    Located just 4.2 mi from the city center, Lisbon Humberto Delgado is the airport most travelers will use when flying to Lisbon from Fremont. Booking flights from Fremont to Humberto Delgado (LIS) should be relatively easy as there are 0 daily inbound flights from Fremont from 17 different airlines.

  • How popular is this Fremont to Lisbon flight route?

    Within the past month, 39 users have taken a look at flights from Fremont to Lisbon Humberto Delgado.

  • How long is the flight from Fremont to Lisbon?

    Departing from Fremont to Lisbon will take you 19h 40m. The distance between Fremont and Lisbon is about 5664 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Before booking your flight to Lisbon from Fremont, check out the most reliable airlines to get you to your destination on time: Etihad Airways (88%), JetBlue (77%), TAP AIR PORTUGAL( 77%).

  • What are the cheapest flights from Fremont to Lisbon?

    The cheapest flight price from Fremont to Lisbon is $198. On average you can expect to pay $1,686. The most popular route, (San Francisco - Lisbon Humberto Delgado), can usually be booked for $441.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Fremont to Lisbon (average of $612). Flying from Fremont to Lisbon in June is currently the most expensive (average of $1,127). 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

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Fátima
Oeiras
Beja
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Sesimbra
Colares

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Fremont to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Fremont to Lisbon

Discover the top 10 airlines that operate flights from Fremont to Lisbon. 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
LEVELCheapest$351Average$725FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$363Average$882FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$409Average$631FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$496Average$821FlexibilityNo cancel feeOn-time72%
VuelingCheapest$532Average$746FlexibilityNo cancel feeOn-time88%
LufthansaCheapest$550Average$824FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$555Average$782FlexibilityNo cancel feeOn-time70%
KLMCheapest$559Average$751FlexibilityNo cancel feeOn-time75%
TAP AIR PORTUGALCheapest$570Average$879FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$582Average$837FlexibilityNo cancel feeOn-time79%

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