HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Luis Munoz Marin Intl

$235+ 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — SJU
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Appleton to Luis Munoz Marin Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Appleton Intl to San Juan Luis Munoz Marin Intl are usually found in November or April, booked 31 days in advance, depart on a Sunday or Tuesday and return on a Monday

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 December 18, 2025.

This Delta deal was found by Cheapflights users on 12/16. 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.
Sat 12/207:00 amATW - SJU
1 stop6h 47mDelta
Sat 12/274:45 pmSJU - ATW
1 stop8h 24mDelta
Deal found 12/16$577
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/319:51 amATW - SJU
1 stop17h 09mAmerican Airlines
Tue 1/68:20 amSJU - ATW
1 stop17h 01mAmerican Airlines
Deal found 12/17$622
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Wed 12/318:10 amATW - SJU
2 stops14h 26mUnited Airlines
Tue 1/67:00 amSJU - ATW
2 stops10h 04mUnited Airlines
Deal found 12/17$679
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Sat 12/205:39 amATW - SJU
2 stops14h 26mAmerican Airlines
Sat 12/277:00 amSJU - ATW
2 stops13h 56mAmerican Airlines
Deal found 12/16$680
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/165:20 pmATW - SJU
2 stops26h 06mUnited Airlines
Wed 1/72:05 amSJU - ATW
2 stops14h 04mUnited Airlines
Deal found 12/16$845
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/265:00 amATW - SJU
1 stop9h 17mAmerican Airlines
Fri 12/268:35 pmSJU - ATW
2 stops14h 46mAmerican Airlines
Deal found 12/16$1,379

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$235
(American Airlines)

Popular in

March

Cheapest in

November

Average price

$695
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. 7% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 18, 2025.
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

Appleton

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Tue 2/3

7:15 am-9:39 pm

1 stop12h 24m

San Juan Luis Munoz Marin Intl

Fri 2/13

6:00 am-7:42 pm

1 stop15h 42m

$235

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Thu 5/28

2:43 pm-5:30 am

2 stops13h 47m

San Juan Luis Munoz Marin Intl

Tue 6/2

2:05 am-2:07 pm

2 stops13h 02m

$325

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Wed 4/15

6:35 am-8:38 pm

2 stops13h 03m

San Juan Luis Munoz Marin Intl

Mon 4/20

7:40 am-4:50 pm

1 stop10h 10m

$325

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Sun 4/26

6:17 am-12:10 am

2 stops16h 53m

San Juan Luis Munoz Marin Intl

Wed 4/29

5:40 am-9:34 pm

2 stops16h 54m

$350

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Tue 2/3

6:30 am-10:26 pm

1 stop13h 56m

San Juan Luis Munoz Marin Intl

Tue 2/10

6:00 am-6:01 pm

1 stop14h 01m

$361

AppletonSan Juan

ATW - SJU

ATWSJU

Appleton Intl

Mon 2/2

12:35 pm-12:36 am

2 stops10h 01m

San Juan Luis Munoz Marin Intl

Thu 2/5

8:35 am-4:48 pm

1 stop10h 13m

$370

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Appleton-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. eDreams >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 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 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 December 12, 2025.

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 31 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 $379). 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.

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 December 18, 2025.
Read through reviews of airlines operating flights from Appleton to San Juan Luis Munoz Marin Intl Airport, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,005 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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
8,005 reviews
Delta
7.9
Good
8,005 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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
9,091 reviews
Delta
7.9
Good
8,005 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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
7.2
Good
11,054 reviews
Delta
7.9
Good
8,005 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Food

7.3

Crew

8.5

Comfort

7.9

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 12h 24m. American Airlines provides one of the quickest options available for as low as $235. 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, American Airlines ($362), United Airlines ($369), and Delta ($395) offers the cheapest pricing from Appleton to San Juan Luis Munoz Marin Intl Airport. Users have found that American Airlines is 45% 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 $379). 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
Dorado
Fajardo
Rio Grande
Humacao
Luquillo
Bayamón

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$365Average$654FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$369Average$616FlexibilityNo cancel feeOn-time69%
DeltaCheapest$395Average$680FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.