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Lucerne

$374+ Cheap flights from Key Largo, FL to Lucerne, Switzerland

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — ZRH
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Lucerne are usually found in November or February, booked 42 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Key Largo to Lucerne

Keep the following information in mind while searching for Key Largo to Lucerne flight deals. Data was last updated August 14, 2025.

Round-trip from

$668
(Kiwi.com)

One-way from

$374
(Thrive Travel)

Popular in

June

Cheapest in

November

Average price

$905
From Key Largo to Lucerne
Search Deals
One-way flight from Key Largo to Lucerne
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($218 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Key Largo to Lucerne

Cheapest flights from Key Largo to Lucerne
Explore the most affordable flight options available from Key Largo to Lucerne. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Wed 9/310:55 amMIA - ZRH
2 stops38h 40mMultiple Airlines
Wed 9/172:20 pmZRH - MIA
1 stop30h 00mMultiple Airlines
Deal found 8/13$668
This Scandinavian Airlines deal was found by Cheapflights users on 8/14. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:00 amMIA - ZRH
2 stops44h 40mScandinavian Airlines
Sat 9/1310:20 amZRH - MIA
2 stops18h 50mScandinavian Airlines
Deal found 8/14$670
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Wed 9/1010:15 pmMIA - ZRH
1 stop16h 40mTurkish Airlines
Thu 10/96:40 pmZRH - MIA
1 stop18h 30mTurkish Airlines
Deal found 8/13$671
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/410:15 pmMIA - ZRH
1 stop18h 05mTurkish Airlines
Wed 9/107:40 amZRH - MIA
1 stop18h 40mTurkish Airlines
Deal found 8/14$672
This deal was found by Cheapflights users on 8/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/209:30 pmMIA - ZRH
1 stop13h 40mAir Europa
Thu 10/3011:05 amZRH - MIA
1 stop14h 25mAir Europa
Deal found 8/13$673
This deal was found by Cheapflights users on 8/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/219:30 pmMIA - ZRH
1 stop13h 40mAir Europa
Thu 10/3011:05 amZRH - MIA
1 stop14h 25mAir Europa
Deal found 8/13$674
This American Airlines deal was found by Cheapflights users on 8/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1711:20 amMIA - ZRH
2 stops15h 30mAmerican Airlines
Wed 9/2411:50 amZRH - MIA
1 stop14h 05mAmerican Airlines
Deal found 8/13$675
This Kiwi.com deal was found by Cheapflights users on 8/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1212:35 amMIA - ZRH
1 stop15h 55mTAP AIR PORTUGAL
Tue 10/216:20 amZRH - MIA
1 stop14h 25mTAP AIR PORTUGAL
Deal found 8/14$676
This Connections by easyJet deal was found by Cheapflights users on 8/13. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/115:20 pmMIA - ZRH
1 stop20h 55mMultiple Airlines
Wed 9/249:05 pmZRH - MIA
1 stop23h 15mMultiple Airlines
Deal found 8/13$677
This Scandinavian Airlines deal was found by Cheapflights users on 8/13. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/67:00 amMIA - ZRH
2 stops24h 55mScandinavian Airlines
Mon 10/62:00 pmZRH - MIA
2 stops39h 19mScandinavian Airlines
Deal found 8/13$678
This Ovago deal was found by Cheapflights users on 8/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/108:45 pmMIA - ZRH
1 stop20h 00mBritish Airways
Wed 9/1710:15 amZRH - MIA
1 stop14h 10mBritish Airways
Deal found 8/13$679
This Ovago deal was found by Cheapflights users on 8/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2810:35 amMIA - ZRH
1 stop16h 50mTurkish Airlines
Fri 12/126:45 amZRH - MIA
1 stop19h 50mTurkish Airlines
Deal found 8/14$680

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to Lucerne 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 August 14, 2025.
Use the filters below to find and compare flights from Key Largo to Lucerne that are best for you.

Fly from

Key Largo

Fly to

Lucerne

Route

Depart

Return

Price

MiamiZurich

MIA - ZRH

MIAZRH

Miami

Thu 9/4

7:00 am-9:40 am

2 stops44h 40m

Zurich

Sat 9/13

10:20 am-11:10 pm

2 stops18h 50m

$670

MiamiZurich

MIA - ZRH

MIAZRH

Miami

Fri 10/17

7:05 am-5:20 pm

2 stops28h 15m

Zurich

Sat 11/1

8:25 pm-7:33 pm

2 stops52h 08m

$670

MiamiZurich

MIA - ZRH

MIAZRH

Miami

Thu 9/11

5:20 pm-8:15 pm

1 stop20h 55m

Zurich

Wed 9/24

9:05 pm-2:20 pm

1 stop23h 15m

$674

MiamiZurich

MIA - ZRH

MIAZRH

Miami

Thu 10/23

10:15 pm-12:45 pm

1 stop32h 30m

Zurich

Tue 10/28

6:10 pm-9:35 pm

1 stop32h 25m

$679

MiamiZurich

MIA - ZRH

MIAZRH

Miami

Thu 10/2

10:15 pm-10:20 pm

1 stop18h 05m

Zurich

Fri 12/12

6:45 am-7:00 am

1 stop30h 15m

$679

MiamiZurich

MIA - ZRH

MIAZRH

Miami

Tue 9/2

10:15 pm-12:45 pm

1 stop32h 30m

Zurich

Wed 10/15

10:50 am-8:20 pm

1 stop39h 30m

$679

MiamiZurich

MIA - ZRH

MIAZRH

Miami

Fri 9/26

7:10 am-9:40 am

2 stops44h 30m

Zurich

Tue 9/30

8:25 pm-11:10 pm

2 stops32h 45m

$680

MiamiZurich

MIA - ZRH

MIAZRH

Miami

Mon 10/20

7:05 am-1:20 pm

2 stops24h 15m

Zurich

Sun 11/2

2:55 pm-6:05 pm

1 stop33h 10m

$680

MiamiZurich

MIA - ZRH

MIAZRH

Miami

Tue 10/14

9:30 pm-5:10 pm

1 stop13h 40m

Zurich

Mon 10/20

6:30 pm-6:45 pm

1 stop30h 15m

$684

MiamiZurich

MIA - ZRH

MIAZRH

Miami

Wed 10/15

9:30 pm-5:10 pm

1 stop13h 40m

Zurich

Mon 10/20

6:30 pm-6:45 pm

1 stop30h 15m

$684

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 21 results
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2
3

Best time to book a flight from Key Largo to Lucerne

Have a flexible travel schedule? Discover the best time to fly to Lucerne from Key Largo 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 Key Largo to Lucerne

How far ahead should I book a flight from Key Largo to Lucerne?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Lucerne. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from Key Largo to Lucerne, you should look to book at least 42 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Key Largo to Lucerne?

Currently, November is the cheapest month in which you can book a flight from Key Largo to Lucerne (average of $637). Flying from Key Largo to Lucerne in June is currently the most expensive (average of $1,151). 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.

What is the cheapest time of day to fly from KE9 to LU9?

Find hourly flight availability from Key Largo to Lucerne. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

When flying from Key Largo to Lucerne, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Key Largo to Lucerne?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Lucerne. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Key Largo to Lucerne flight should consider departing on Thursday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Key Largo to Lucerne

Explore weekly flight availability from Key Largo to Lucerne. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 14, 2025.

The most flights from KE9 to LU9 are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Lucerne

Get insights into the airlines that provide service to Lucerne. 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 Lucerne. Reviews last updated August 14, 2025.
See what other customers who have flown with SWISS, United Airlines, and American Airlines from Key Largo to Lucerne have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.6
Good
1,699 reviews

Crew

8.2

Comfort

7.4

Overall

7.6

Entertainment

6.8

Boarding

7.7

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
SWISS
7.6
Good
1,699 reviews
SWISS
7.6
Good
1,699 reviews

Crew

8.2

Comfort

7.4

Overall

7.6

Entertainment

6.8

Boarding

7.7

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
United Airlines
7.4
Good
8,916 reviews
SWISS
7.6
Good
1,699 reviews

Crew

8.2

Comfort

7.4

Overall

7.6

Entertainment

6.8

Boarding

7.7

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
American Airlines
7.2
Good
10,000 reviews
SWISS
7.6
Good
1,699 reviews

Crew

8.2

Comfort

7.4

Overall

7.6

Entertainment

6.8

Boarding

7.7

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
TAP AIR PORTUGAL
7.1
Good
1,948 reviews
SWISS
7.6
Good
1,699 reviews

Crew

8.2

Comfort

7.4

Overall

7.6

Entertainment

6.8

Boarding

7.7

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Air Europa
7.0
Good
545 reviews
SWISS
7.6
Good
1,699 reviews

Crew

8.2

Comfort

7.4

Overall

7.6

Entertainment

6.8

Boarding

7.7

Food

7.1

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Related info for your journey

Find useful and relevant information for your journey from Key Largo to Lucerne. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Key Largo to Lucerne flight route?

    Within the past month, 59 users have taken a look at flights from Key Largo to Lucerne.

  • What are the cheapest flights from Key Largo to Lucerne?

    On average you can expect to pay $2,652 for a flight from Key Largo to Lucerne. The cheapest flight overall is $337 while the most popular route, (Miami - Zurich) is currently priced at $440.

  • Can I find deals for flights from Key Largo to Lucerne that include hotel bookings?

    Yes. In addition to deals on Key Largo to Lucerne flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Key Largo to Lucerne?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key Largo to Lucerne.

  • Can I find deals for business class flights from Key Largo to Lucerne?

    Yes. Cheapflights offers flight deals from Key Largo to Lucerne 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 Key Largo to Lucerne?

    Currently, November is the cheapest month in which you can book a flight from Key Largo to Lucerne (average of $637). Flying from Key Largo to Lucerne in June is currently the most expensive (average of $1,151). 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 10 airlines flying from Key Largo to Lucerne

Discover the top 10 airlines that operate flights from Key Largo to Lucerne. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$464Average$594FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$481Average$967FlexibilityNo cancel feeOn-time71%
Air EuropaCheapest$495Average$684FlexibilityNo cancel feeOn-time83%
DeltaCheapest$531Average$989FlexibilityNo cancel feeOn-timeN/A
CondorCheapest$557Average$691FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$573Average$922FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$602Average$1,017FlexibilityNo cancel feeOn-time70%
SWISSCheapest$632Average$1,021FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$637Average$1,041FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$642Average$685FlexibilityNo cancel feeOn-time77%

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