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$442+ Cheap flights from Luxembourg (LUX) to San Francisco (SFO)

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.
LUX — SFO
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$638
(Gotogate)

One-way from

$442
(Kiwi.com)

Popular in

July

Cheapest in

March

Average price

$799
From Luxembourg to San Francisco
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One-way flight from Luxembourg to San Francisco
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Highest demand for flights based on searches. 13% potential increase in price ($121 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 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 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 September 11, 2025.

This KLM deal was found by Cheapflights users on 9/11. 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.
Mon 10/610:30 amLUX - SFO
1 stop34h 15mMultiple Airlines
Sun 10/193:05 pmSFO - LUX
1 stop13h 45mMultiple Airlines
Deal found 9/11$638
This KLM deal was found by Cheapflights users on 9/11. 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.
Thu 10/96:10 amLUX - SFO
1 stop14h 35mMultiple Airlines
Wed 10/223:05 pmSFO - LUX
1 stop13h 45mMultiple Airlines
Deal found 9/11$640
This KLM deal was found by Cheapflights users on 9/11. 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.
Sun 11/22:45 pmLUX - SFO
1 stop30h 05mMultiple Airlines
Mon 11/103:40 pmSFO - LUX
1 stop33h 55mMultiple Airlines
Deal found 9/11$642
This Delta deal was found by Cheapflights users on 9/11. 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 10/96:10 amLUX - SFO
1 stop14h 35mDelta
Wed 10/224:54 pmSFO - LUX
2 stops16h 01mDelta
Deal found 9/11$644
This Air Canada deal was found by Cheapflights users on 9/11. 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 10/68:15 amLUX - SFO
2 stops23h 53mAir Canada
Sun 10/197:10 amSFO - LUX
2 stops21h 30mAir Canada
Deal found 9/11$649
This Delta deal was found by Cheapflights users on 9/10. 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 10/96:10 amLUX - SFO
2 stops22h 20mDelta
Thu 10/161:45 pmSFO - LUX
2 stops19h 10mDelta
Deal found 9/10$650
This Expedia deal was found by Cheapflights users on 9/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:15 amLUX - SFO
1 stop18h 45mLufthansa
Thu 10/161:20 pmSFO - LUX
1 stop15h 20mLufthansa
Deal found 9/10$655
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/99:50 amLUX - SFO
1 stop13h 40mUnited Airlines
Wed 10/1512:43 amSFO - LUX
2 stops26h 27mUnited Airlines
Deal found 9/10$673
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/99:50 amLUX - SFO
1 stop13h 40mUnited Airlines
Wed 10/226:30 amSFO - LUX
2 stops17h 45mUnited Airlines
Deal found 9/10$685

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 September 11, 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 10/6

10:30 am-11:45 am

1 stop34h 15m

San Francisco

Sun 10/19

3:05 pm-1:50 pm

1 stop13h 45m

$638

LuxembourgSan Francisco

LUX - SFO

LUXSFO

Luxembourg

Thu 10/9

6:10 am-11:45 am

1 stop14h 35m

San Francisco

Wed 10/22

3:05 pm-1:50 pm

1 stop13h 45m

$640

LuxembourgSan Francisco

LUX - SFO

LUXSFO

Luxembourg

Sun 11/2

2:45 pm-11:50 am

1 stop30h 05m

San Francisco

Mon 11/10

3:40 pm-10:35 am

1 stop33h 55m

$642

LuxembourgSan Francisco

LUX - SFO

LUXSFO

Luxembourg

Thu 10/9

6:10 am-11:45 am

1 stop14h 35m

San Francisco

Wed 10/22

4:54 pm-5:55 pm

2 stops16h 01m

$644

LuxembourgSan Francisco

LUX - SFO

LUXSFO

Luxembourg

Thu 10/9

6:10 am-11:45 am

1 stop14h 35m

San Francisco

Thu 10/16

10:40 am-5:55 pm

2 stops22h 15m

$644

LuxembourgSan Francisco

LUX - SFO

LUXSFO

Luxembourg

Mon 10/6

6:10 am-11:45 am

1 stop14h 35m

San Francisco

Sun 10/19

5:55 am-10:00 am

2 stops19h 05m

$644

LuxembourgSan Francisco

LUX - SFO

LUXSFO

Luxembourg

Sun 11/2

2:45 pm-1:01 am

2 stops19h 16m

San Francisco

Mon 11/10

6:00 am-10:25 am

2 stops19h 25m

$650

LuxembourgSan Francisco

LUX - SFO

LUXSFO

Luxembourg

Sun 9/28

9:20 am-9:30 am

3 stops57h 10m

$442

LuxembourgSan Francisco

LUX - SFO

LUXSFO

Luxembourg

Thu 10/9

6:15 am-4:00 pm

1 stop18h 45m

$607

LuxembourgSan Francisco

LUX - SFO

LUXSFO

Luxembourg

Fri 9/26

10:45 am-5:35 pm

2 stops39h 50m

$649

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 15 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 August 29, 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 $357). 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 September 11, 2025.
See what other customers who have flown with Air France, 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.
Air France
7.4
Good
1,469 reviews

Entertainment

7.0

Food

7.0

Boarding

7.4

Comfort

7.4

Overall

7.4

Crew

8.2

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
Air France
7.4
Good
1,469 reviews
Air France
7.4
Good
1,469 reviews

Entertainment

7.0

Food

7.0

Boarding

7.4

Comfort

7.4

Overall

7.4

Crew

8.2

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
Lufthansa
6.8
Okay
7,409 reviews
Air France
7.4
Good
1,469 reviews

Entertainment

7.0

Food

7.0

Boarding

7.4

Comfort

7.4

Overall

7.4

Crew

8.2

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.
British Airways
6.7
Okay
7,361 reviews
Air France
7.4
Good
1,469 reviews

Entertainment

7.0

Food

7.0

Boarding

7.4

Comfort

7.4

Overall

7.4

Crew

8.2

Reviews

1 / 20
10.0
Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

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 14h 35m. Luxembourg and San Francisco are separated by a distance of 5638 mi.

  • 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. Search Cheapflights for deals from Lufthansa and Air France - these airlines can fly you to your destination from $622 and $703, respectively. You may be able to fly from Luxembourg to San Francisco for 25% 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, 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 $357). 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
Santa Cruz
Livermore
South San Francisco
Turlock
Antioch
Watsonville
Manteca
Santa Clara
Sunnyvale
Hollister
Vacaville
Foster City
Vallejo
Burlingame
Redwood City
Union City
San Leandro
San Mateo
Lathrop

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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$594Average$838FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$622Average$831FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$703Average$1,490FlexibilityNo cancel feeOn-time77%

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