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Luis Munoz Marin Intl

$291+ Cheap flights from Appleton (ATW) to Luis Munoz Marin Intl (SJU)

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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — SJU
May 4 — May 111
Mon 5/4
Mon 5/11
1 adult, Economy
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Cheap flight deals from Appleton to Luis Munoz Marin Intl

Cheapest flights from Appleton to Luis Munoz Marin Intl
Explore the most affordable flight options available from Appleton to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/2. 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 4/196:30 am
ATW
-
SJU
1 stop29h 03m
Multiple Airlines
Tue 4/282:09 am
SJU
-
ATW
2 stops36h 54m
Multiple Airlines
Deal found 4/2$291
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 4/196:30 am
ATW
-
SJU
1 stop29h 03m
Multiple Airlines
Thu 4/3012:57 pm
SJU
-
ATW
2 stops34h 06m
Multiple Airlines
Deal found 4/2$310
This United Airlines deal was found by Cheapflights users on 3/31. 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 5/59:38 am
ATW
-
SJU
1 stop9h 56m
United Airlines
Fri 5/83:56 pm
SJU
-
ATW
1 stop9h 18m
United Airlines
Deal found 3/31$311
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/176:30 am
ATW
-
SJU
1 stop11h 29m
Multiple Airlines
Sun 5/248:04 pm
SJU
-
ATW
1 stop13h 42m
Multiple Airlines
Deal found 3/31$316
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Fri 9/256:26 pm
ATW
-
SJU
2 stops17h 14m
American Airlines
Sat 10/33:55 pm
SJU
-
ATW
2 stops18h 08m
American Airlines
Deal found 4/1$326
This Kiwi.com deal was found by Cheapflights users on 4/2. 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.
Mon 4/204:59 pm
ATW
-
SJU
2 stops30h 30m
Multiple Airlines
Wed 4/2912:57 pm
SJU
-
ATW
1 stop26h 06m
Multiple Airlines
Deal found 4/2$327
This United Airlines deal was found by Cheapflights users on 3/31. 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 4/2012:34 pm
ATW
-
SJU
2 stops10h 16m
United Airlines
Fri 4/243:56 pm
SJU
-
ATW
1 stop8h 07m
United Airlines
Deal found 3/31$358
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Fri 5/86:15 am
ATW
-
SJU
2 stops14h 09m
United Airlines
Tue 5/123:56 pm
SJU
-
ATW
1 stop8h 09m
United Airlines
Deal found 4/1$361

Find flight deals from Appleton to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Appleton (ATW) to Luis Munoz Marin Intl (SJU). 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 April 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$291
(Kiwi.com)

Popular in

March

Cheapest in

July

Average price

$502
Provider with most accurate pricing for Appleton Intl-San Juan Luis Munoz Marin Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Appleton Intl-San Juan Luis Munoz Marin Intl flights.
Search Deals
From Appleton Intl to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Appleton to Luis Munoz Marin Intl 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 April 4, 2026.
Use the filters below to find and compare flights from Appleton to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Tue 5/5

9:38 am-8:34 pm

1 stop9h 56m

San Juan Luis Munoz Marin Intl

Fri 5/8

3:56 pm-12:14 am

1 stop9h 18m

$311

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Thu 5/28

3:50 pm-9:39 am

2 stops16h 49m

San Juan Luis Munoz Marin Intl

Wed 6/3

5:30 am-10:43 pm

1 stop18h 13m

$399

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Thu 5/28

7:00 am-10:17 pm

2 stops14h 17m

San Juan Luis Munoz Marin Intl

Wed 6/3

7:30 am-9:14 pm

2 stops14h 44m

$408

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Fri 4/17

12:34 pm-11:50 pm

2 stops10h 16m

San Juan Luis Munoz Marin Intl

Tue 4/21

1:00 am-11:58 am

2 stops11h 58m

$408

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Sun 4/19

5:00 am-2:44 pm

1 stop8h 44m

San Juan Luis Munoz Marin Intl

Tue 4/28

3:56 pm-11:03 pm

1 stop8h 07m

$408

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Tue 5/26

12:39 pm-11:39 pm

1 stop10h 00m

San Juan Luis Munoz Marin Intl

Fri 5/29

12:44 am-12:09 pm

1 stop12h 25m

$439

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Fri 9/25

5:29 am-4:31 pm

1 stop10h 02m

San Juan Luis Munoz Marin Intl

Sat 10/3

7:00 am-8:40 pm

2 stops14h 40m

$466
Quickest round-trip

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Fri 5/8

6:15 am-2:44 pm

1 stop7h 29m

San Juan Luis Munoz Marin Intl

Tue 5/12

7:40 am-3:10 pm

1 stop8h 30m

$466

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Sat 5/23

5:30 am-4:33 pm

1 stop10h 03m

San Juan Luis Munoz Marin Intl

Sun 6/7

2:41 pm-10:30 pm

1 stop8h 49m

$476

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Sun 4/26

5:00 am-2:44 pm

1 stop8h 44m

San Juan Luis Munoz Marin Intl

Thu 4/30

3:56 pm-12:15 am

1 stop9h 19m

$489

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Compare providers for flights from Appleton to Luis Munoz Marin Intl

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 Appleton to Luis Munoz Marin Intl in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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 Appleton-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Appleton-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Appleton-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Appleton-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Appleton-San Juan Luis Munoz Marin Intl 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 Appleton to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Appleton 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 Appleton to San Juan Luis Munoz Marin Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Appleton to Luis Munoz Marin Intl. Price data was last updated on April 3, 2026.

To ensure you get the cheapest price possible for a flight from Appleton to San Juan Luis Munoz Marin Intl Airport, you should look to book at least 38 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 Appleton to San Juan Luis Munoz Marin Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Appleton to San Juan Luis Munoz Marin Intl Airport (average of $113). Flying from Appleton to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $359). 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 Appleton to San Juan Luis Munoz Marin Intl Airport?

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated April 4, 2026.
Read through reviews of airlines operating flights from Appleton to San Juan Luis Munoz Marin Intl Airport, such as Delta,United Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,383 reviews

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,383 reviews
Delta
7.9
Good
8,383 reviews

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,541 reviews
Delta
7.9
Good
8,383 reviews

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,555 reviews
Delta
7.9
Good
8,383 reviews

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Appleton to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Appleton to San Juan Luis Munoz Marin Intl?

    For a flight from Appleton to San Juan Luis Munoz Marin Intl, you will be flying from Appleton Intl. Appleton Intl (ATW) is just 5.1 mi from the center of the city. Appleton Intl is the only Appleton airport and it handles 0 outbound flights to San Juan Luis Munoz Marin Intl per day. 3 airlines have flights to San Juan Luis Munoz Marin Intl from Appleton Intl on a regular basis.

  • How long is the flight from Appleton to San Juan Luis Munoz Marin Intl Airport?

    A quick flight from Appleton to San Juan Luis Munoz Marin Intl Airport can take about 9h 56m. United Airlines provides one of the quickest options available for as low as $311. Airlines will cover a distance of 2207 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, United Airlines ($272), American Airlines ($324), and Delta ($395) offers the cheapest pricing from Appleton to San Juan Luis Munoz Marin Intl Airport. Users have found that United Airlines is 56% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Appleton to Luis Munoz Marin Intl 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 Appleton to San Juan Luis Munoz Marin Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Appleton to San Juan Luis Munoz Marin Intl Airport (average of $113). Flying from Appleton to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $359). 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 Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Fajardo
Luquillo
Rio Grande
Dorado
Humacao
Bayamón

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Alternative routes for Appleton to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Luis Munoz Marin Intl flights
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Wausau to Luis Munoz Marin Intl flights

Top 3 airlines flying from Appleton to Luis Munoz Marin Intl

Discover the top 3 airlines that operate flights from Appleton to Luis Munoz Marin Intl. 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 April 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$272Average$550FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$324Average$614FlexibilityNo cancel feeOn-time71%
DeltaCheapest$395Average$771FlexibilityNo cancel feeOn-timeN/A

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