HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lisbon

$329+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LIS
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 Lisbon 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.

Cheapflights Tip: The best prices from Fremont to Lisbon Humberto Delgado are usually found in February or January, booked 59 days in advance, depart on a Wednesday or Monday and return on a Tuesday

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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/30. 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.
Fri 11/146:45 amSFO - LIS
1 stop19h 30mUnited Airlines
Fri 11/215:00 amLIS - SFO
2 stops20h 50mUnited Airlines
Deal found 10/30$546
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/811:15 pmSFO - LIS
1 stop27h 00mUnited Airlines
Sat 11/225:00 amLIS - SFO
1 stop15h 40mUnited Airlines
Deal found 10/28$547
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/89:40 pmSFO - LIS
1 stop17h 50mLufthansa
Tue 12/95:00 amLIS - SFO
2 stops24h 01mLufthansa
Deal found 10/28$548
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:25 pmSFO - LIS
2 stops33h 20mSWISS
Mon 12/12:20 pmLIS - SFO
2 stops58h 10mSWISS
Deal found 10/28$549
This Delta deal was found by Cheapflights users on 10/30. 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 11/1112:25 pmSFO - LIS
2 stops21h 05mDelta
Sun 12/75:30 amLIS - SFO
1 stop15h 55mDelta
Deal found 10/30$550
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:00 amSFO - LIS
2 stops19h 10mUnited Airlines
Thu 11/205:00 amLIS - SFO
2 stops19h 54mUnited Airlines
Deal found 10/28$551
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 11/102:40 pmSFO - LIS
2 stops24h 50mLufthansa
Tue 11/255:00 amLIS - SFO
2 stops22h 35mLufthansa
Deal found 10/30$552
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/165:10 amSFO - LIS
2 stops19h 00mUnited Airlines
Sat 12/136:10 amLIS - SFO
2 stops20h 37mUnited Airlines
Deal found 10/28$553
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/59:05 amSFO - LIS
2 stops17h 10mUnited Airlines
Sat 12/611:20 amLIS - SFO
1 stop18h 02mUnited Airlines
Deal found 10/28$554
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.
Thu 12/46:00 amSFO - LIS
2 stops21h 20mDelta
Sun 12/75:30 amLIS - SFO
2 stops22h 54mDelta
Deal found 10/28$555
This KLM deal was found by Cheapflights users on 10/30. 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.
Wed 11/123:40 pmSFO - LIS
1 stop15h 30mAir France
Sun 11/235:30 amLIS - SFO
2 stops20h 08mAir France
Deal found 10/30$556
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/102:40 pmSFO - LIS
2 stops24h 50mLufthansa
Fri 11/215:00 amLIS - SFO
2 stops22h 35mLufthansa
Deal found 10/28$557

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 October 30, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$546
(United Airlines)

One-way from

$329
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$746
Provider with most accurate pricing for San Francisco-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Lisbon Humberto Delgado flights.
Search Deals
From Fremont to Lisbon Humberto Delgado
Search Deals
One-way flight from Fremont to Lisbon Humberto Delgado
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($149 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 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 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 October 30, 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

Thu 12/4

12:25 pm-5:30 pm

2 stops21h 05m

Lisbon Humberto Delgado

Sun 12/7

5:30 am-8:31 pm

2 stops23h 01m

$555

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Thu 12/11

6:30 am-9:05 am

1 stop18h 35m

Lisbon Humberto Delgado

Sat 12/20

10:40 am-7:05 pm

1 stop16h 25m

$555

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Wed 11/12

3:40 pm-3:10 pm

1 stop15h 30m

Lisbon Humberto Delgado

Sun 11/23

5:30 am-5:38 pm

2 stops20h 08m

$556

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Thu 11/13

8:25 am-9:20 am

1 stop16h 55m

Lisbon Humberto Delgado

Sat 11/22

5:00 am-12:40 pm

1 stop15h 40m

$582

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 11/14

11:20 am-10:15 am

1 stop14h 55m

Lisbon Humberto Delgado

Sun 11/23

5:00 am-3:55 pm

1 stop18h 55m

$586

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Tue 11/4

12:43 am-10:15 am

2 stops25h 32m

Lisbon Humberto Delgado

Wed 11/12

5:00 am-12:40 pm

1 stop15h 40m

$590

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 11/14

1:12 pm-10:15 am

1 stop13h 03m

Lisbon Humberto Delgado

Sat 11/22

5:00 am-4:55 pm

2 stops19h 55m

$596

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 11/21

11:15 pm-9:05 am

1 stop25h 50m

Lisbon Humberto Delgado

Fri 12/5

11:05 am-7:24 pm

1 stop16h 19m

$612

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Fri 11/28

3:40 pm-3:10 pm

1 stop15h 30m

Lisbon Humberto Delgado

Tue 12/2

11:25 am-11:50 am

1 stop32h 25m

$618

San FranciscoLisbon

SFO - LIS

SFOLIS

San Francisco

Thu 11/13

3:40 pm-5:30 pm

1 stop17h 50m

Lisbon Humberto Delgado

Sat 11/22

12:20 pm-6:57 pm

2 stops38h 37m

$618

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 21 results
1
2
3

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 October 24, 2025.

The best time to book flights from Fremont to Lisbon is 59 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, November is the cheapest month in which you can book a flight from Fremont to Lisbon (average of $510). Flying from Fremont to Lisbon in June is currently the most expensive (average of $783). 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 October 30, 2025.

When flying from Fremont to Lisbon, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 19% versus a flight in the afternoon.

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 Friday afternoons when fares are most often at their lowest. Thursday at noon 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 October 30, 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
7.9
Good
7,998 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

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
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

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
8,998 reviews
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

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
10,381 reviews
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

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
2,040 reviews
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

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
7,487 reviews
Delta
7.9
Good
7,998 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Food

7.3

Comfort

7.9

Entertainment

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, 36 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 15h 30m. 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 (92%), JetBlue (84%), TAP AIR PORTUGAL( 84%).

  • What are the cheapest flights from Fremont to Lisbon?

    The cheapest flight price from Fremont to Lisbon is $197. On average you can expect to pay $1,598. The most popular route, (San Francisco - Lisbon Humberto Delgado), can usually be booked for $442.

  • 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, November is the cheapest month in which you can book a flight from Fremont to Lisbon (average of $510). Flying from Fremont to Lisbon in June is currently the most expensive (average of $783). 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
Nazaré
Ericeira
Costa da Caparica
Torres Vedras
Beja
Sesimbra
Colares

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.

Alternative routes for Fremont to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Lisbon flights
Los Angeles to Lisbon flights
Santa Ana to Lisbon flights
San Diego to Lisbon flights
Ontario to Lisbon flights
San Francisco to Porto flights
Los Angeles to Porto flights
Sacramento to Lisbon flights
San Jose to Lisbon flights
Oakland to Lisbon flights
San Francisco to Faro flights
Reno to Lisbon flights
Sacramento to Porto flights
Las Vegas to Lisbon flights
San Francisco to Ponta Delgada flights
Los Angeles to Ponta Delgada flights
Santa Ana to Porto flights
Los Angeles to Funchal flights
San Diego to Porto flights
Oakland to Faro flights
Ontario to Porto flights
San Jose to Porto flights
San Francisco to Funchal flights
Burbank to Lisbon flights
San Diego to Faro flights
Long Beach to Lisbon flights
Palm Springs to Lisbon flights
Oakland to Porto flights
Fresno to Lisbon flights
Los Angeles to Faro flights
San Jose to Funchal flights
Las Vegas to Faro flights
Santa Rosa to Lisbon flights
Burbank to Porto flights
San Jose to Faro flights
San Francisco to Horta flights
San Francisco to Porto Santo flights
Santa Ana to Faro flights
Monterey to Lisbon flights
Oakland to Funchal flights
Las Vegas to Funchal flights
Los Angeles to Lajes flights
San Francisco to Lajes flights
San Francisco to Pico Island flights
Burbank to Faro flights
Yuma to Lisbon flights
Ontario to Faro flights
Long Beach to Faro flights

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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$351Average$742FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$409Average$609FlexibilityNo cancel feeOn-time77%
IberiaCheapest$469Average$889FlexibilityNo cancel feeOn-time77%
KLMCheapest$497Average$669FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$531Average$768FlexibilityNo cancel feeOn-time70%
VuelingCheapest$532Average$788FlexibilityNo cancel feeOn-time88%
LufthansaCheapest$550Average$803FlexibilityNo cancel feeOn-time76%
SWISSCheapest$553Average$815FlexibilityNo cancel feeOn-time79%
Air FranceCheapest$555Average$763FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$555Average$821FlexibilityNo cancel feeOn-time72%

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.