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$413+ Cheap flights from Luis Munoz Marin Intl (SJU) to Frankfurt (FRA)

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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — FRA
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to Frankfurt am Main are usually found in February or January, booked 72 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Find flight deals from Luis Munoz Marin Intl to Frankfurt

Cheapest flights from Luis Munoz Marin Intl to Frankfurt
Explore the most affordable flight options available from Luis Munoz Marin Intl to Frankfurt. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 11/245:50 pmSJU - FRA
1 stop13h 00mUnited Airlines
Thu 12/49:00 amFRA - SJU
2 stops18h 22mUnited Airlines
Deal found 10/27$592
This KLM deal was found by Cheapflights users on 10/27. 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 11/246:36 pmSJU - FRA
1 stop33h 04mKLM
Thu 12/410:15 amFRA - SJU
2 stops18h 05mKLM
Deal found 10/27$598
This KLM deal was found by Cheapflights users on 10/28. 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.
Tue 11/256:36 pmSJU - FRA
1 stop33h 04mKLM
Fri 12/59:50 amFRA - SJU
1 stop31h 55mKLM
Deal found 10/28$600
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 11/258:30 amSJU - FRA
1 stop17h 40mUnited Airlines
Fri 12/57:20 amFRA - SJU
2 stops20h 02mUnited Airlines
Deal found 10/27$601
This KLM deal was found by Cheapflights users on 10/28. 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.
Tue 11/253:32 pmSJU - FRA
1 stop36h 08mMultiple Airlines
Fri 12/59:40 amFRA - SJU
2 stops19h 19mMultiple Airlines
Deal found 10/28$605

Cheap flight deals from Luis Munoz Marin Intl to Frankfurt

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) to Frankfurt (FRA). 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$592
(United Airlines)

One-way from

$413
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$793
Provider with most accurate pricing for San Juan Luis Munoz Marin Intl-Frankfurt am Main flight deals.
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Provider most trusted by Cheapflights users for San Juan Luis Munoz Marin Intl-Frankfurt am Main flights.
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From San Juan Luis Munoz Marin Intl to Frankfurt am Main
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One-way flight from San Juan Luis Munoz Marin Intl to Frankfurt am Main
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Highest demand for flights based on searches. 18% potential increase in price ($203 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Luis Munoz Marin Intl to Frankfurt 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 October 28, 2025.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Frankfurt am Main Airport that are best for you.

Fly from

Luis Munoz Marin Intl

Fly to

Frankfurt

Route

Depart

Return

Price

San JuanFrankfurt am Main

SJU - FRA

SJUFRA

San Juan Luis Munoz Marin Intl

Mon 11/24

5:50 pm-11:50 am

1 stop13h 00m

Frankfurt am Main

Thu 12/4

11:30 am-10:22 pm

1 stop15h 52m

$594

San JuanFrankfurt am Main

SJU - FRA

SJUFRA

San Juan Luis Munoz Marin Intl

Mon 11/24

6:36 pm-8:40 am

1 stop33h 04m

Frankfurt am Main

Thu 12/4

10:40 am-11:59 pm

1 stop18h 19m

$599

San JuanFrankfurt am Main

SJU - FRA

SJUFRA

San Juan Luis Munoz Marin Intl

Mon 2/16

5:50 pm-4:05 pm

2 stops17h 15m

Frankfurt am Main

Wed 2/25

11:30 am-10:22 pm

1 stop15h 52m

$599

San JuanFrankfurt am Main

SJU - FRA

SJUFRA

San Juan Luis Munoz Marin Intl

Tue 11/25

3:20 pm-7:50 am

1 stop35h 30m

Frankfurt am Main

Fri 12/5

9:50 am-11:20 pm

1 stop18h 30m

$599

San JuanFrankfurt am Main

SJU - FRA

SJUFRA

San Juan Luis Munoz Marin Intl

Wed 2/18

5:50 pm-4:05 pm

2 stops17h 15m

Frankfurt am Main

Sat 2/28

11:30 am-10:22 pm

1 stop15h 52m

$599

San JuanFrankfurt am Main

SJU - FRA

SJUFRA

San Juan Luis Munoz Marin Intl

Tue 11/25

2:20 pm-9:10 am

1 stop13h 50m

Frankfurt am Main

Fri 12/5

7:20 am-10:22 pm

2 stops20h 02m

$601

San JuanFrankfurt am Main

SJU - FRA

SJUFRA

San Juan Luis Munoz Marin Intl

Mon 12/1

8:30 am-11:05 am

2 stops21h 35m

$413

San JuanFrankfurt am Main

SJU - FRA

SJUFRA

San Juan Luis Munoz Marin Intl

Fri 11/28

8:10 am-11:05 am

2 stops21h 55m

$413

San JuanFrankfurt am Main

SJU - FRA

SJUFRA

San Juan Luis Munoz Marin Intl

Wed 11/26

2:20 pm-12:05 pm

2 stops16h 45m

$413

San JuanFrankfurt am Main

SJU - FRA

SJUFRA

San Juan Luis Munoz Marin Intl

Mon 11/24

2:05 am-10:05 am

2 stops27h 00m

$416

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 12 results
1
2

Compare providers for flights from Luis Munoz Marin Intl to Frankfurt

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Luis Munoz Marin Intl to Frankfurt in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Frankfurt am Main Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-Frankfurt am Main Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Juan Luis Munoz Marin Intl Airport-Frankfurt am Main Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Frankfurt am Main Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Juan Luis Munoz Marin Intl Airport-Frankfurt am Main Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Luis Munoz Marin Intl to Frankfurt

Have a flexible travel schedule? Discover the best time to fly to Frankfurt from Luis Munoz Marin Intl 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 Juan Luis Munoz Marin Intl Airport to Frankfurt am Main Airport

How far ahead should I book a flight from San Juan Luis Munoz Marin Intl Airport to Frankfurt am Main Airport?

Use this chart to determine the optimal time to book a round-trip flight from Luis Munoz Marin Intl to Frankfurt. Price data was last updated on October 24, 2025.

The best time to book flights from San Juan Luis Munoz Marin Intl Airport to Frankfurt am Main Airport is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Juan Luis Munoz Marin Intl Airport to Frankfurt am Main Airport?

Currently, March is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Frankfurt am Main Airport (average of $629). Flying from San Juan Luis Munoz Marin Intl Airport to Frankfurt am Main Airport in June is currently the most expensive (average of $1,116). 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 SJU to FRA?

Find hourly flight availability from Luis Munoz Marin Intl to Frankfurt. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

A simple way to save on the total cost of your ticket is to fly from San Juan Luis Munoz Marin Intl Airport to Frankfurt am Main Airport at noon. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from San Juan Luis Munoz Marin Intl Airport to Frankfurt am Main Airport?

Use this chart to determine the cheapest time to fly round-trip from Luis Munoz Marin Intl to Frankfurt. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Juan Luis Munoz Marin Intl Airport to Frankfurt am Main Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from San Juan Luis Munoz Marin Intl Airport to Frankfurt am Main Airport?

Reviews of airlines servicing Frankfurt

Get insights into the airlines that provide service to Frankfurt. 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 Frankfurt. Reviews last updated October 28, 2025.
See what other customers who have flown with Delta, Virgin Atlantic, and United Airlines from San Juan Luis Munoz Marin Intl Airport to Frankfurt am Main Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,995 reviews

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
7.9
Good
7,995 reviews
Delta
7.9
Good
7,995 reviews

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Virgin Atlantic
7.5
Good
670 reviews
Delta
7.9
Good
7,995 reviews

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
United Airlines
7.4
Good
8,996 reviews
Delta
7.9
Good
7,995 reviews

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
American Airlines
7.2
Good
11,033 reviews
Delta
7.9
Good
7,995 reviews

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

Find useful and relevant information for your journey from Luis Munoz Marin Intl to Frankfurt. 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 San Juan Luis Munoz Marin Intl Airport to Frankfurt am Main Airport?

    There are many flights that can get you from San Juan Luis Munoz Marin Intl Airport to Frankfurt am Main Airport in 13h. Fly via United Airlines or KLM to get the fastest option. There are 4566 mi between San Juan Luis Munoz Marin Intl Airport and Frankfurt am Main Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from San Juan Luis Munoz Marin Intl Airport to Frankfurt am Main Airport round-trip?

    Cheapflights users have booked flights from San Juan Luis Munoz Marin Intl Airport to Frankfurt am Main Airport round-trip from $584. Other airlines that can offer you cheap pricing are American Airlines, from $645, and Delta, from $658. You may be able to fly from San Juan Luis Munoz Marin Intl Airport to Frankfurt am Main Airport for 35% less than the average price by searching for these airlines.

  • Can I find deals for flights from Luis Munoz Marin Intl to Frankfurt that include hotel bookings?

    Yes. In addition to deals on Luis Munoz Marin Intl to Frankfurt flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Luis Munoz Marin Intl to Frankfurt?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Luis Munoz Marin Intl to Frankfurt.

  • Can I find deals for business class flights from Luis Munoz Marin Intl to Frankfurt?

    Yes. Cheapflights offers flight deals from Luis Munoz Marin Intl to Frankfurt 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 Juan Luis Munoz Marin Intl Airport to Frankfurt am Main Airport?

    Currently, March is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Frankfurt am Main Airport (average of $629). Flying from San Juan Luis Munoz Marin Intl Airport to Frankfurt am Main Airport in June is currently the most expensive (average of $1,116). 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 Frankfurt am Main Airport?

Book flights to Frankfurt am Main Airport if you plan to visit one of these locations
Koblenz
Baden-Baden
Wurzburg
Speyer
Wiesbaden
Trier
Boppard
Mainz

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Top 4 airlines flying from Luis Munoz Marin Intl to Frankfurt

Discover the top 4 airlines that operate flights from Luis Munoz Marin Intl to Frankfurt. 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$584Average$1,142FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$645Average$892FlexibilityNo cancel feeOn-time71%
DeltaCheapest$658Average$867FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$680Average$838FlexibilityNo cancel feeOn-time69%

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