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$619+ Cheap flights from Luxembourg (LUX) to San Francisco (SFO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
LUX — SFO
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
1 adult, Economy
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Cheapflights Tip: The best prices from Luxembourg to San Francisco are usually found in October or March, booked 73 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap flight deals from Luxembourg to San Francisco

Cheapest flights from Luxembourg to San Francisco
Explore the most affordable flight options available from Luxembourg to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 14, 2025.

This Flysmarter deal was found by Cheapflights users on 12/13. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 amLUX - SFO
1 stop14h 50mMultiple Airlines
Sun 1/43:40 pmSFO - LUX
1 stop33h 55mMultiple Airlines
Deal found 12/13$1,200
This KLM deal was found by Cheapflights users on 12/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amLUX - SFO
1 stop14h 50mMultiple Airlines
Sun 1/43:40 pmSFO - LUX
1 stop33h 55mMultiple Airlines
Deal found 12/13$1,251
This Flysmarter deal was found by Cheapflights users on 12/13. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:50 amLUX - SFO
2 stops18h 08mAir France
Sun 1/43:40 pmSFO - LUX
1 stop33h 55mAir France
Deal found 12/13$1,305
This Delta deal was found by Cheapflights users on 12/13. 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.
Wed 12/316:00 amLUX - SFO
2 stops26h 01mDelta
Sun 1/41:55 pmSFO - LUX
1 stop18h 55mDelta
Deal found 12/13$1,332
This Billigflug deal was found by Cheapflights users on 12/13. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:50 pmLUX - SFO
2 stops29h 00mLufthansa
Sun 1/46:50 pmSFO - LUX
2 stops29h 00mLufthansa
Deal found 12/13$1,340

Find flight deals from Luxembourg to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Luxembourg (LUX) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$619
(Scandinavian Airlines)

Popular in

July

Cheapest in

October

Average price

$1,007
Provider with most accurate pricing for Luxembourg-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Luxembourg-San Francisco flights.
Search Deals
From Luxembourg to San Francisco
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($16 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 Luxembourg to San Francisco 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 14, 2025.
Use the filters below to find and compare flights from Luxembourg to San Francisco that are best for you.

Fly from

Luxembourg

Fly to

San Francisco

Route

Depart

Return

Price

LuxembourgSan Francisco

LUX - SFO

LUXSFO

Luxembourg

Wed 3/18

8:00 pm-3:35 pm

1 stop27h 35m

San Francisco

Sun 3/22

5:40 pm-7:20 pm

1 stop17h 40m

$619

LuxembourgSan Francisco

LUX - SFO

LUXSFO

Luxembourg

Thu 1/15

5:40 pm-4:05 pm

1 stop31h 25m

San Francisco

Wed 1/28

4:35 pm-4:50 pm

1 stop15h 15m

$642

LuxembourgSan Francisco

LUX - SFO

LUXSFO

Luxembourg

Sun 2/1

1:35 pm-2:35 pm

1 stop34h 00m

San Francisco

Sun 2/15

4:40 pm-10:25 pm

1 stop20h 45m

$705

LuxembourgSan Francisco

LUX - SFO

LUXSFO

Luxembourg

Mon 1/12

6:15 pm-11:04 pm

2 stops37h 49m

San Francisco

Sun 1/25

4:40 pm-10:25 pm

1 stop20h 45m

$725

LuxembourgSan Francisco

LUX - SFO

LUXSFO

Luxembourg

Tue 1/27

6:15 pm-10:54 pm

2 stops37h 39m

San Francisco

Tue 2/3

7:10 am-5:50 pm

2 stops25h 40m

$728

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Compare providers for flights from Luxembourg to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Luxembourg to San Francisco in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Luxembourg-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Luxembourg-San Francisco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Luxembourg-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Luxembourg-San Francisco flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Luxembourg-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Luxembourg to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Luxembourg 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 Luxembourg to San Francisco

How far ahead should I book a flight from Luxembourg to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Luxembourg to San Francisco. Price data was last updated on December 12, 2025.

The price you pay for your flight from Luxembourg to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 73 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 Luxembourg to San Francisco?

Currently, March is the cheapest month in which you can book a flight from Luxembourg to San Francisco (average of $464). Flying from Luxembourg to San Francisco in July is currently the most expensive (average of $816). 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.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated December 14, 2025.
See what other customers who have flown with Lufthansa and British Airways from Luxembourg to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
7,628 reviews

Entertainment

6.4

Overall

6.8

Food

6.3

Crew

7.6

Comfort

6.8

Boarding

7.0

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines
Lufthansa
6.8
Okay
7,628 reviews
Lufthansa
6.8
Okay
7,628 reviews

Entertainment

6.4

Overall

6.8

Food

6.3

Crew

7.6

Comfort

6.8

Boarding

7.0

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines
British Airways
6.7
Okay
7,575 reviews
Lufthansa
6.8
Okay
7,628 reviews

Entertainment

6.4

Overall

6.8

Food

6.3

Crew

7.6

Comfort

6.8

Boarding

7.0

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines

Related info for your journey

Find useful and relevant information for your journey from Luxembourg to San Francisco. 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 Luxembourg to San Francisco?

    Departing from Luxembourg to San Francisco will take you 27h 35m. Luxembourg and San Francisco are separated by a distance of 5638 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Luxembourg to San Francisco round-trip?

    Currently priced at $594, British Airways will fly you from Luxembourg to San Francisco and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Lufthansa for as low as $627. You may be able to fly from Luxembourg to San Francisco for 29% less than the average price by searching for these airlines.

  • Can I find deals for flights from Luxembourg to San Francisco that include hotel bookings?

    Yes. In addition to deals on Luxembourg to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Luxembourg to San Francisco?

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

  • Can I find deals for business class flights from Luxembourg to San Francisco?

    Yes. Cheapflights offers flight deals from Luxembourg to San Francisco 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 Luxembourg to San Francisco?

    Currently, March is the cheapest month in which you can book a flight from Luxembourg to San Francisco (average of $464). Flying from Luxembourg to San Francisco in July is currently the most expensive (average of $816). 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 San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Manteca
Watsonville
Redwood City
Sunnyvale
Santa Clara
San Bruno
Daly City
San Carlos
Vallejo
Hollister
San Ramon
Foster City
Union City
Davis
Emeryville

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Luxembourg to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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Luxembourg to Oakland flights

Top 2 airlines flying from Luxembourg to San Francisco

Discover the top 2 airlines that operate flights from Luxembourg to San Francisco. 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 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$594Average$838FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$627Average$831FlexibilityNo cancel feeOn-time76%

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