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$548+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
LUX — SFO
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheapflights Tip: The best prices from Luxembourg to San Francisco are usually found in March or January, booked 73 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap 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 July 30, 2025.

Round-trip from

$548
(American Airlines)

Popular in

July

Cheapest in

March

Average price

$1,106
From Luxembourg to San Francisco
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($125 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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Find 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 July 30, 2025.

This American Airlines deal was found by Cheapflights users on 7/29. 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.
Mon 9/1511:40 amLUX - SFO
1 stop35h 10mAmerican Airlines
Mon 9/299:00 amSFO - LUX
2 stops16h 40mAmerican Airlines
Deal found 7/29$548
This British Airways deal was found by Cheapflights users on 7/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/410:15 amLUX - SFO
1 stop17h 30mBritish Airways
Tue 11/1112:11 pmSFO - LUX
2 stops17h 49mBritish Airways
Deal found 7/30$551
This Finnair deal was found by Cheapflights users on 7/29. 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.
Mon 9/229:05 pmLUX - SFO
1 stop25h 45mMultiple Airlines
Tue 10/74:30 pmSFO - LUX
1 stop19h 20mMultiple Airlines
Deal found 7/29$597
This Delta deal was found by Cheapflights users on 7/30. 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.
Sat 9/276:05 amLUX - SFO
1 stop14h 40mDelta
Sat 10/111:45 pmSFO - LUX
1 stop18h 50mDelta
Deal found 7/30$699
This Booking.com deal was found by Cheapflights users on 7/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:10 amLUX - SFO
1 stop14h 30mLufthansa
Fri 1/22:40 pmSFO - LUX
1 stop22h 20mLufthansa
Deal found 7/30$734
This Booking.com deal was found by Cheapflights users on 7/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:15 amLUX - SFO
2 stops22h 36mAir Canada
Mon 9/2911:35 amSFO - LUX
2 stops17h 05mAir Canada
Deal found 7/29$789
This Gotogate deal was found by Cheapflights users on 7/29. 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.
Tue 10/286:15 pmLUX - SFO
1 stop29h 55mScandinavian Airlines
Fri 10/315:40 pmSFO - LUX
2 stops37h 20mScandinavian Airlines
Deal found 7/29$792
This SWISS deal was found by Cheapflights users on 7/29. 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.
Mon 9/1510:30 amLUX - SFO
1 stop14h 40mSWISS
Mon 9/294:05 pmSFO - LUX
2 stops17h 15mSWISS
Deal found 7/29$830
This United Airlines deal was found by Cheapflights users on 7/29. 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 9/278:25 amLUX - SFO
2 stops19h 40mUnited Airlines
Sat 10/1110:35 amSFO - LUX
3 stops61h 40mUnited Airlines
Deal found 7/29$879

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 July 30, 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

Mon 9/15

11:40 am-1:50 pm

1 stop35h 10m

San Francisco

Mon 9/29

9:00 am-10:40 am

2 stops16h 40m

$548

LuxembourgSan Francisco

LUX - SFO

LUXSFO

Luxembourg

Tue 11/4

10:15 am-6:45 pm

1 stop17h 30m

San Francisco

Tue 11/11

12:11 pm-3:00 pm

2 stops17h 49m

$551

LuxembourgSan Francisco

LUX - SFO

LUXSFO

Luxembourg

Mon 9/22

9:05 pm-1:50 pm

1 stop25h 45m

San Francisco

Tue 10/7

4:30 pm-8:50 pm

1 stop19h 20m

$597

LuxembourgSan Francisco

LUX - SFO

LUXSFO

Luxembourg

Sat 9/27

6:05 am-11:45 am

1 stop14h 40m

San Francisco

Sat 10/11

1:45 pm-5:35 pm

1 stop18h 50m

$699

LuxembourgSan Francisco

LUX - SFO

LUXSFO

Luxembourg

Tue 12/23

7:10 am-12:40 pm

1 stop14h 30m

San Francisco

Fri 1/2

2:40 pm-10:00 pm

1 stop22h 20m

$734

LuxembourgSan Francisco

LUX - SFO

LUXSFO

Luxembourg

Mon 9/15

6:15 am-7:51 pm

2 stops22h 36m

San Francisco

Mon 9/29

11:35 am-1:40 pm

2 stops17h 05m

$789

LuxembourgSan Francisco

LUX - SFO

LUXSFO

Luxembourg

Tue 10/28

6:15 pm-4:10 pm

1 stop29h 55m

San Francisco

Fri 10/31

5:40 pm-3:00 pm

2 stops37h 20m

$792

LuxembourgSan Francisco

LUX - SFO

LUXSFO

Luxembourg

Mon 9/15

10:30 am-4:10 pm

1 stop14h 40m

San Francisco

Mon 9/29

4:05 pm-6:20 pm

2 stops17h 15m

$830

LuxembourgSan Francisco

LUX - SFO

LUXSFO

Luxembourg

Sat 9/27

8:25 am-7:05 pm

2 stops19h 40m

San Francisco

Sat 10/11

10:35 am-9:15 am

3 stops61h 40m

$879

LuxembourgSan Francisco

LUX - SFO

LUXSFO

Luxembourg

Mon 1/5

9:55 pm-4:40 pm

2 stops51h 45m

$563

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 18 results
1
2

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 July 25, 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, January is the cheapest month in which you can book a flight from Luxembourg to San Francisco (average of $276). Flying from Luxembourg to San Francisco in June is currently the most expensive (average of $358). 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.

How much does it cost to fly round-trip from Luxembourg to San Francisco?

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 July 30, 2025.
See what other customers who have flown with Delta, KLM, and SWISS 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.
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,686 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Turkish Airlines
7.3
Good
3,928 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

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

    Currently priced at $548, American Airlines will fly you from Luxembourg to San Francisco and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from British Airways and Delta - these airlines can fly you to your destination from $551 and $699, respectively. You may be able to fly from Luxembourg to San Francisco for 32% less than the average price by searching for these airlines.

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

    The cheapest airline one-way is Lufthansa, with whom users have recently found tickets for as low as $655. However, be on the lookout for offers from TAP AIR PORTUGAL and Delta, as they are both options that can get you from Luxembourg to San Francisco for a low price.

  • 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, January is the cheapest month in which you can book a flight from Luxembourg to San Francisco (average of $276). Flying from Luxembourg to San Francisco in June is currently the most expensive (average of $358). 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
Mountain View
Santa Cruz
South San Francisco
Livermore
Turlock
Manteca
Antioch
Hollister
Watsonville
Sunnyvale
Newark
Milpitas
Campbell
Foster City
Capitola
Santa Clara
San Leandro
Burlingame
Redwood City

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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Top 3 airlines flying from Luxembourg to San Francisco

Discover the top 3 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$594Average$833FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$622Average$827FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$703Average$1,490FlexibilityNo cancel feeOn-time77%

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