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$282+ Cheap flights from San Francisco (SFO) to Luxembourg

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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LUX
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from San Francisco to Luxembourg

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

Round-trip from

$521
(FlightHub)

One-way from

$282
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$658
From San Francisco to Luxembourg
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One-way flight from San Francisco to Luxembourg
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Highest demand for flights based on searches. 6% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($56 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 San Francisco to Luxembourg

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

This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/34:35 pmSFO - LUX
1 stop15h 15mTAP AIR PORTUGAL
Sun 12/145:40 pmLUX - SFO
1 stop29h 55mTAP AIR PORTUGAL
Deal found 9/13$521
This Flighttix 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2011:35 amSFO - LUX
2 stops19h 35mMultiple Airlines
Mon 11/37:05 pmLUX - SFO
1 stop30h 25mMultiple Airlines
Deal found 9/14$525
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/308:25 amSFO - LUX
2 stops39h 15mAir Canada
Wed 12/107:10 amLUX - SFO
2 stops19h 15mAir Canada
Deal found 9/13$540
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:20 pmSFO - LUX
2 stops39h 00mAir Canada
Thu 12/118:10 amLUX - SFO
2 stops35h 29mAir Canada
Deal found 9/13$542
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/38:25 amSFO - LUX
2 stops16h 40mAir Canada
Fri 12/127:10 amLUX - SFO
2 stops19h 15mAir Canada
Deal found 9/13$546
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:25 pmSFO - LUX
1 stop13h 50mSWISS
Mon 12/157:05 pmLUX - SFO
1 stop30h 25mSWISS
Deal found 9/13$547
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/308:25 amSFO - LUX
2 stops44h 35mAir Canada
Tue 12/169:30 amLUX - SFO
2 stops21h 10mAir Canada
Deal found 9/13$550
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/302:40 pmSFO - LUX
1 stop22h 35mLufthansa
Thu 12/117:10 amLUX - SFO
1 stop14h 30mLufthansa
Deal found 9/13$551
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:25 pmSFO - LUX
1 stop14h 00mSWISS
Tue 1/137:05 pmLUX - SFO
1 stop30h 25mSWISS
Deal found 9/13$552
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:31 amSFO - LUX
2 stops24h 29mAir Canada
Thu 1/1510:50 amLUX - SFO
2 stops35h 40mAir Canada
Deal found 9/13$553
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/207:10 amSFO - LUX
2 stops17h 50mAir Canada
Mon 11/36:55 amLUX - SFO
2 stops23h 27mAir Canada
Deal found 9/14$556

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Luxembourg 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 San Francisco to Luxembourg that are best for you.

Fly from

San Francisco

Fly to

Luxembourg

Route

Depart

Return

Price

San FranciscoLuxembourg

SFO - LUX

SFOLUX

San Francisco

Mon 10/20

9:05 pm-7:35 pm

1 stop13h 30m

Luxembourg

Mon 11/3

7:05 pm-4:30 pm

1 stop30h 25m

$539

San FranciscoLuxembourg

SFO - LUX

SFOLUX

San Francisco

Tue 12/2

2:40 pm-6:00 pm

1 stop18h 20m

Luxembourg

Fri 12/12

8:10 am-12:40 pm

1 stop13h 30m

$546

San FranciscoLuxembourg

SFO - LUX

SFOLUX

San Francisco

Tue 12/2

2:40 pm-1:55 pm

1 stop14h 15m

Luxembourg

Wed 12/10

7:10 am-12:40 pm

1 stop14h 30m

$551

San FranciscoLuxembourg

SFO - LUX

SFOLUX

San Francisco

Sun 11/30

2:40 pm-1:35 pm

1 stop13h 55m

Luxembourg

Wed 12/10

8:10 am-12:40 pm

1 stop13h 30m

$551

San FranciscoLuxembourg

SFO - LUX

SFOLUX

San Francisco

Wed 10/29

1:50 pm-4:20 pm

2 stops42h 30m

Luxembourg

Wed 11/5

9:30 am-7:35 pm

1 stop19h 05m

$556

San FranciscoLuxembourg

SFO - LUX

SFOLUX

San Francisco

Mon 10/20

7:10 am-10:00 am

2 stops17h 50m

Luxembourg

Mon 11/3

6:55 am-9:22 pm

2 stops23h 27m

$556

San FranciscoLuxembourg

SFO - LUX

SFOLUX

San Francisco

Tue 10/28

6:00 am-4:20 pm

2 stops26h 20m

Luxembourg

Tue 11/4

9:30 am-7:35 pm

1 stop19h 05m

$557

San FranciscoLuxembourg

SFO - LUX

SFOLUX

San Francisco

Tue 12/30

10:45 pm-4:20 pm

2 stops32h 35m

Luxembourg

Thu 1/15

5:00 pm-7:35 pm

1 stop35h 35m

$576

San FranciscoLuxembourg

SFO - LUX

SFOLUX

San Francisco

Sun 1/4

8:40 pm-9:30 am

1 stop27h 50m

Luxembourg

Thu 1/15

5:45 pm-3:00 pm

1 stop30h 15m

$579

San FranciscoLuxembourg

SFO - LUX

SFOLUX

San Francisco

Tue 12/2

8:40 pm-9:10 pm

1 stop15h 30m

Luxembourg

Sun 12/14

6:15 pm-3:00 pm

1 stop29h 45m

$589

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 14 results
1
2

Best time to book a flight from San Francisco to Luxembourg

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

What is the cheapest time of day to fly from SFO to LU?

Find hourly flight availability from San Francisco to Luxembourg. 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 San Francisco to Luxembourg, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Luxembourg

Get insights into the airlines that provide service to Luxembourg. 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 Luxembourg. Reviews last updated September 15, 2025.
See what other customers who have flown with SWISS and Lufthansa from San Francisco to Luxembourg have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,730 reviews

Entertainment

6.8

Food

7.1

Boarding

7.7

Comfort

7.4

Crew

8.2

Overall

7.5

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
SWISS
7.5
Good
1,730 reviews
SWISS
7.5
Good
1,730 reviews

Entertainment

6.8

Food

7.1

Boarding

7.7

Comfort

7.4

Crew

8.2

Overall

7.5

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
Lufthansa
6.8
Okay
7,407 reviews
SWISS
7.5
Good
1,730 reviews

Entertainment

6.8

Food

7.1

Boarding

7.7

Comfort

7.4

Crew

8.2

Overall

7.5

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Related info for your journey

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

    San Francisco (SFO) is the airport you will fly out of if you book a flight from San Francisco to Luxembourg. It is only a 11.8 mi journey to San Francisco (SFO) from San Francisco’s city center.

  • How long is the flight from San Francisco to Luxembourg?

    Airlines like Lufthansa and United Airlines fly from San Francisco to Luxembourg in about 18h 20m. The time it takes to get you to your destination can typically vary by up to 24h 10m. San Francisco and Luxembourg are separated by a distance of 5638 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from San Francisco to Luxembourg (average of $638). Flying from San Francisco to Luxembourg in June is currently the most expensive (average of $1,172). 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 2 airlines flying from San Francisco to Luxembourg

Discover the top 2 airlines that operate flights from San Francisco to Luxembourg. 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
LufthansaCheapest$595Average$830FlexibilityNo cancel feeOn-time76%
SWISSCheapest$597Average$745FlexibilityNo cancel feeOn-time79%

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