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$416+ 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — FRA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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

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 September 11, 2025.

Round-trip from

$595
(Delta)

One-way from

$416
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$809
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. 17% potential increase in price ($199 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($25 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 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 September 11, 2025.

This Delta deal was found by Cheapflights users on 9/9. 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.
Wed 10/297:00 amSJU - FRA
2 stops19h 50mDelta
Fri 11/149:50 amFRA - SJU
1 stop18h 23mDelta
Deal found 9/9$595
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.
Sat 10/181:05 amSJU - FRA
1 stop26h 40mUnited Airlines
Tue 11/49:45 amFRA - SJU
2 stops17h 37mUnited Airlines
Deal found 9/10$596
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 10/276:00 pmSJU - FRA
1 stop32h 50mMultiple Airlines
Thu 11/1310:40 amFRA - SJU
1 stop18h 16mMultiple Airlines
Deal found 9/11$601
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.
Sat 11/225:50 pmSJU - FRA
1 stop32h 20mUnited Airlines
Tue 12/211:30 amFRA - SJU
1 stop15h 52mUnited Airlines
Deal found 9/10$604
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.
Mon 10/271:20 pmSJU - FRA
2 stops18h 45mUnited Airlines
Thu 11/1311:30 amFRA - SJU
1 stop15h 52mUnited Airlines
Deal found 9/10$608
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/252:20 pmSJU - FRA
2 stops16h 30mUnited Airlines
Fri 12/58:40 amFRA - SJU
2 stops20h 56mUnited Airlines
Deal found 9/11$609
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/22:05 amSJU - FRA
2 stops23h 35mMultiple Airlines
Wed 11/199:45 amFRA - SJU
2 stops32h 04mMultiple Airlines
Deal found 9/10$611
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/277:00 pmSJU - FRA
2 stops18h 10mAmerican Airlines
Thu 11/1310:50 amFRA - SJU
2 stops18h 02mAmerican Airlines
Deal found 9/10$612
This KLM deal was found by Cheapflights users on 9/9. 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 10/261:06 pmSJU - FRA
1 stop13h 44mMultiple Airlines
Wed 11/129:40 amFRA - SJU
2 stops19h 16mMultiple Airlines
Deal found 9/9$615
This KLM deal was found by Cheapflights users on 9/9. 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 10/261:06 pmSJU - FRA
1 stop13h 44mMultiple Airlines
Tue 11/119:40 amFRA - SJU
2 stops19h 16mMultiple Airlines
Deal found 9/9$616
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.
Mon 10/271:20 pmSJU - FRA
2 stops19h 45mUnited Airlines
Thu 11/610:15 amFRA - SJU
2 stops17h 07mUnited Airlines
Deal found 9/10$621
This United Airlines deal was found by Cheapflights users on 9/9. 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 11/242:20 pmSJU - FRA
2 stops17h 45mUnited Airlines
Tue 12/29:00 amFRA - SJU
2 stops18h 22mUnited Airlines
Deal found 9/9$625

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 September 11, 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 11/17

7:00 am-8:40 am

1 stop20h 40m

Frankfurt am Main

Tue 12/2

10:40 am-12:03 am

1 stop18h 23m

$595

San JuanFrankfurt am Main

SJU - FRA

SJUFRA

San Juan Luis Munoz Marin Intl

Tue 11/25

2:20 pm-11:50 am

2 stops16h 30m

Frankfurt am Main

Tue 12/2

12:50 pm-3:40 pm

1 stop31h 50m

$595

San JuanFrankfurt am Main

SJU - FRA

SJUFRA

San Juan Luis Munoz Marin Intl

Mon 11/24

2:20 pm-11:50 am

2 stops16h 30m

Frankfurt am Main

Fri 12/12

11:30 am-10:22 pm

1 stop15h 52m

$595

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-11:10 pm

1 stop18h 20m

$601

San JuanFrankfurt am Main

SJU - FRA

SJUFRA

San Juan Luis Munoz Marin Intl

Mon 10/27

6:00 pm-7:50 am

1 stop32h 50m

Frankfurt am Main

Thu 11/13

10:40 am-11:56 pm

1 stop18h 16m

$601

San JuanFrankfurt am Main

SJU - FRA

SJUFRA

San Juan Luis Munoz Marin Intl

Mon 11/3

3:36 pm-8:40 am

1 stop36h 04m

Frankfurt am Main

Wed 11/19

9:50 am-11:13 pm

1 stop18h 23m

$601

San JuanFrankfurt am Main

SJU - FRA

SJUFRA

San Juan Luis Munoz Marin Intl

Mon 11/10

2:20 pm-9:10 am

1 stop13h 50m

Frankfurt am Main

Tue 12/9

11:30 am-10:22 pm

1 stop15h 52m

$604

San JuanFrankfurt am Main

SJU - FRA

SJUFRA

San Juan Luis Munoz Marin Intl

Mon 11/24

2:20 pm-9:10 am

1 stop13h 50m

Frankfurt am Main

Tue 12/2

11:30 am-10:22 pm

1 stop15h 52m

$604

San JuanFrankfurt am Main

SJU - FRA

SJUFRA

San Juan Luis Munoz Marin Intl

Tue 11/18

2:05 am-7:25 am

2 stops24h 20m

Frankfurt am Main

Fri 12/5

11:30 am-10:22 pm

1 stop15h 52m

$604

San JuanFrankfurt am Main

SJU - FRA

SJUFRA

San Juan Luis Munoz Marin Intl

Mon 11/3

8:10 am-6:35 am

1 stop17h 25m

Frankfurt am Main

Wed 11/19

9:45 am-12:36 am

2 stops19h 51m

$604

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 16 results
1
2

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 August 29, 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, January 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 $729). Flying from San Juan Luis Munoz Marin Intl Airport to Frankfurt am Main Airport in June is currently the most expensive (average of $1,091). 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 September 11, 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. Monday at noon 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 September 11, 2025.
See what other customers who have flown with Delta, United Airlines, and Virgin Atlantic 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
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
7.4
Good
664 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

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 20h 40m. Fly via Delta 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 Delta, from $621, and American Airlines, from $645. 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, January 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 $729). Flying from San Juan Luis Munoz Marin Intl Airport to Frankfurt am Main Airport in June is currently the most expensive (average of $1,091). 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
Wiesbaden
Speyer
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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$584Average$1,142FlexibilityNo cancel feeOn-time72%
DeltaCheapest$621Average$852FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$645Average$892FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$652Average$857FlexibilityNo cancel feeOn-time69%

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