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$545+ Cheap flights from San Francisco (SFO) to Luxembourg

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — LUX
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap 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 December 23, 2025.

This Gotogate deal was found by Cheapflights users on 12/20. 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.
Mon 12/292:40 pmSFO - LUX
1 stop18h 20mMultiple Airlines
Thu 1/1510:50 amLUX - SFO
2 stops19h 49mMultiple Airlines
Deal found 12/20$669
This FlightHub deal was found by Cheapflights users on 12/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:40 pmSFO - LUX
1 stop18h 20mLufthansa
Thu 1/1510:50 amLUX - SFO
1 stop14h 05mLufthansa
Deal found 12/20$676
This American Airlines deal was found by Cheapflights users on 12/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:10 amSFO - LUX
2 stops19h 50mAmerican Airlines
Sun 1/46:15 pmLUX - SFO
2 stops31h 49mAmerican Airlines
Deal found 12/22$1,737
This Kiwi.com deal was found by Cheapflights users on 12/22. 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.
Tue 12/305:20 pmSFO - LUX
1 stop14h 40mMultiple Airlines
Sun 1/46:35 pmLUX - SFO
2 stops50h 37mMultiple Airlines
Deal found 12/22$1,779

Find 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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$545
(Scandinavian Airlines)

Popular in

June

Cheapest in

February

Average price

$1,096
Provider with most accurate pricing for San Francisco-Luxembourg flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Luxembourg flights.
Search Deals
From San Francisco to Luxembourg
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($164 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($70 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 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 December 23, 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

Thu 3/5

4:40 pm-5:55 pm

1 stop16h 15m

Luxembourg

Mon 3/9

10:05 am-3:35 pm

1 stop13h 30m

$545

San FranciscoLuxembourg

SFO - LUX

SFOLUX

San Francisco

Wed 2/4

3:40 pm-10:35 am

1 stop33h 55m

Luxembourg

Wed 2/11

6:00 am-11:50 am

1 stop14h 50m

$578

San FranciscoLuxembourg

SFO - LUX

SFOLUX

San Francisco

Tue 1/20

12:10 pm-1:50 pm

2 stops16h 40m

Luxembourg

Tue 1/27

10:55 am-11:50 am

1 stop33h 55m

$581

San FranciscoLuxembourg

SFO - LUX

SFOLUX

San Francisco

Tue 2/3

8:25 am-10:00 am

2 stops16h 35m

Luxembourg

Sun 2/8

7:10 am-12:40 pm

1 stop14h 30m

$582

San FranciscoLuxembourg

SFO - LUX

SFOLUX

San Francisco

Thu 2/5

1:30 pm-4:20 pm

1 stop17h 50m

Luxembourg

Thu 2/12

9:30 am-6:55 pm

1 stop18h 25m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

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 December 23, 2025.

It’s typically best to fly out from San Francisco to Luxembourg in the morning. Doing so could potentially save you 30% on the flight price compared to flying in the evening, which is usually more expensive.

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 December 23, 2025.
See what other customers who have flown with SWISS, Scandinavian Airlines, 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
1,817 reviews

Food

7.1

Entertainment

6.8

Boarding

7.7

Overall

7.5

Crew

8.3

Comfort

7.4

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
1,817 reviews
SWISS
7.5
Good
1,817 reviews

Food

7.1

Entertainment

6.8

Boarding

7.7

Overall

7.5

Crew

8.3

Comfort

7.4

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.
Scandinavian Airlines
7.4
Good
1,620 reviews
SWISS
7.5
Good
1,817 reviews

Food

7.1

Entertainment

6.8

Boarding

7.7

Overall

7.5

Crew

8.3

Comfort

7.4

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
7,649 reviews
SWISS
7.5
Good
1,817 reviews

Food

7.1

Entertainment

6.8

Boarding

7.7

Overall

7.5

Crew

8.3

Comfort

7.4

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 Scandinavian Airlines fly from San Francisco to Luxembourg in about 16h 15m. The time it takes to get you to your destination can typically vary by up to . San Francisco and Luxembourg are separated by a distance of 5638 mi.

  • What are the cheapest airlines to fly from San Francisco to Luxembourg one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $75. However, be on the lookout for offers from American Airlines and Alaska Airlines, as they are both options that can get you from San Francisco to Luxembourg for a low price.

  • 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.

See more FAQs

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Top 3 airlines flying from San Francisco to Luxembourg

Discover the top 3 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$339Average$715FlexibilityNo cancel feeOn-time79%
Scandinavian AirlinesCheapest$494Average$571FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$642Average$830FlexibilityNo cancel feeOn-time76%

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