HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Juan

$151+ Cheap flights from Dayton (DAY) to San Juan

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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — SJU
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dayton to San Juan 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.

Cheap flight deals from Dayton to San Juan

Cheapest flights from Dayton to San Juan
Explore the most affordable flight options available from Dayton to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This American Airlines deal was found by Cheapflights users on 12/21. 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 12/241:56 pmDAY - SJU
1 stop7h 09mAmerican Airlines
Fri 12/266:00 amSJU - DAY
1 stop11h 46mAmerican Airlines
Deal found 12/21$399
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/245:21 pmDAY - SJU
2 stops11h 50mUnited Airlines
Fri 12/267:45 amSJU - DAY
2 stops13h 37mUnited Airlines
Deal found 12/21$489
This American Airlines deal was found by Cheapflights users on 12/21. 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 12/221:56 pmDAY - SJU
2 stops9h 03mAmerican Airlines
Tue 12/2310:25 amSJU - DAY
2 stops12h 17mAmerican Airlines
Deal found 12/21$494
This American Airlines deal was found by Cheapflights users on 12/21. 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 12/226:01 amDAY - SJU
1 stop16h 58mAmerican Airlines
Mon 12/296:00 amSJU - DAY
1 stop11h 43mAmerican Airlines
Deal found 12/21$599
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Sun 12/286:00 amDAY - SJU
1 stop12h 43mAmerican Airlines
Wed 12/3110:25 amSJU - DAY
2 stops10h 28mAmerican Airlines
Deal found 12/21$609
This United Airlines deal was found by Cheapflights users on 12/21. 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 12/245:21 pmDAY - SJU
2 stops11h 50mUnited Airlines
Thu 1/17:45 amSJU - DAY
2 stops13h 37mUnited Airlines
Deal found 12/21$662
This American Airlines deal was found by Cheapflights users on 12/22. 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 12/296:00 amDAY - SJU
1 stop16h 59mAmerican Airlines
Sat 1/36:00 amSJU - DAY
1 stop7h 37mAmerican Airlines
Deal found 12/22$710
This American Airlines deal was found by Cheapflights users on 12/22. 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 12/261:57 pmDAY - SJU
1 stop8h 25mAmerican Airlines
Tue 12/306:00 amSJU - DAY
1 stop7h 37mAmerican Airlines
Deal found 12/22$722
This American Airlines deal was found by Cheapflights users on 12/22. 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 12/276:59 amDAY - SJU
1 stop14h 06mAmerican Airlines
Sat 1/36:00 amSJU - DAY
1 stop7h 37mAmerican Airlines
Deal found 12/22$820

Find flight deals from Dayton to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from Dayton (DAY) to San Juan (PR1). 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 23, 2025.

Round-trip from

$235
(United Airlines)

One-way from

$151
(American Airlines)

Popular in

August

Cheapest in

October

Average price

$577
From Dayton to San Juan
Search Deals
One-way flight from Dayton to San Juan
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($122 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 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 Dayton to San Juan 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 23, 2025.
Use the filters below to find and compare flights from Dayton to San Juan that are best for you.

Fly from

Dayton

Fly to

San Juan

Route

Depart

Return

Price

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Thu 2/5

6:00 am-11:56 pm

1 stop16h 56m

San Juan Luis Munoz Marin Intl

Tue 2/10

7:07 am-2:55 pm

1 stop8h 48m

$268

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Wed 1/21

2:37 pm-11:45 pm

1 stop8h 08m

San Juan Luis Munoz Marin Intl

Thu 1/29

7:30 am-1:48 pm

1 stop7h 18m

$280

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Tue 1/20

10:24 am-10:22 pm

2 stops10h 58m

San Juan Luis Munoz Marin Intl

Wed 1/28

4:52 pm-11:44 pm

1 stop7h 52m

$325

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Mon 1/19

2:52 pm-10:22 pm

1 stop6h 30m

San Juan Luis Munoz Marin Intl

Tue 1/27

7:45 am-10:02 pm

2 stops15h 17m

$325

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Sun 1/18

10:24 am-10:22 pm

2 stops10h 58m

San Juan Luis Munoz Marin Intl

Tue 1/27

7:45 am-8:22 pm

2 stops13h 37m

$325

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Sun 1/18

2:52 pm-10:22 pm

1 stop6h 30m

San Juan Luis Munoz Marin Intl

Thu 1/22

2:05 am-5:04 pm

2 stops15h 59m

$325

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Sun 1/18

7:00 am-9:26 pm

2 stops13h 26m

San Juan Luis Munoz Marin Intl

Fri 1/30

4:52 pm-11:44 pm

1 stop7h 52m

$325

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Sat 1/17

2:04 pm-6:11 am

2 stops15h 07m

San Juan Luis Munoz Marin Intl

Thu 1/22

2:05 am-5:04 pm

2 stops15h 59m

$325

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Sat 2/7

2:04 pm-6:11 am

2 stops15h 07m

San Juan Luis Munoz Marin Intl

Tue 2/10

2:05 am-1:23 pm

2 stops12h 18m

$325

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Sun 1/18

9:05 am-10:22 pm

2 stops12h 17m

San Juan Luis Munoz Marin Intl

Thu 1/22

8:10 am-2:17 pm

1 stop7h 07m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 16 results
1
2

Best time to book a flight from Dayton to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Dayton 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 Dayton to San Juan

What is the cheapest month to book a flight from Dayton to San Juan?

Currently, January is the cheapest month in which you can book a flight from Dayton to San Juan (average of $128). Flying from Dayton to San Juan in June is currently the most expensive (average of $230). 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 DAY to SJU?

Find hourly flight availability from Dayton to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2025.

It’s optimal to fly from Dayton to San Juan in the afternoon. By choosing this option you can save up to 51% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated December 23, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Dayton to San Juan 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
8,014 reviews

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

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
8,014 reviews
Delta
7.9
Good
8,014 reviews

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

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
9,105 reviews
Delta
7.9
Good
8,014 reviews

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

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
8,014 reviews

Overall

7.9

Food

7.3

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

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 Dayton to San Juan. 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 Dayton to San Juan?

    Most people fly from Dayton (DAY) if they book a flight from Dayton to San Juan. On average, Dayton has 0 outbound flights to San Juan per day from 3 airlines. Dayton is conveniently located just 10.0 mi from Dayton’s city center.

  • How long is the flight from Dayton to San Juan?

    Airlines like American Airlines, Delta, and United Airlines fly from Dayton to San Juan in about 8h 08m. The time it takes to get you to your destination can typically vary by up to 8h 48m. Airlines will cover a distance of 1837 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Dayton to San Juan round-trip?

    Delta, at $234, was found to be the cheapest airline from Dayton to San Juan.Alternate airlines to your destination round-trip include United Airlines and American Airlines. These flights start at 58% lower than the current average price 3 months from now.

  • Can I find deals for flights from Dayton to San Juan that include hotel bookings?

    Yes. In addition to deals on Dayton to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dayton to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dayton to San Juan.

  • Can I find deals for business class flights from Dayton to San Juan?

    Yes. Cheapflights offers flight deals from Dayton to San Juan 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 Dayton to San Juan?

    Currently, January is the cheapest month in which you can book a flight from Dayton to San Juan (average of $128). Flying from Dayton to San Juan in June is currently the most expensive (average of $230). 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

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.

Alternative routes for Dayton to San Juan

See prices for flight routes from nearby airports that may be better suited for you.
Detroit to Luis Munoz Marin Intl flights
Cleveland to Luis Munoz Marin Intl flights
Cincinnati to Luis Munoz Marin Intl flights
Columbus to Luis Munoz Marin Intl flights
Pittsburgh to Luis Munoz Marin Intl flights
Akron to Luis Munoz Marin Intl flights
Dayton to Luis Munoz Marin Intl flights
Pittsburgh to Aguadilla flights
Cleveland to Aguadilla flights
Cincinnati to Aguadilla flights
Detroit to Aguadilla flights
Erie to Luis Munoz Marin Intl flights
Columbus to Aguadilla flights
Detroit to Vieques flights
Columbus to Culebra flights
Cleveland to Vieques flights
Toledo to Luis Munoz Marin Intl flights
Detroit to Culebra flights
Pittsburgh to Culebra flights
Cincinnati to Culebra flights
Cleveland to Culebra flights
Pittsburgh to Vieques flights

Top 3 airlines flying from Dayton to San Juan

Discover the top 3 airlines that operate flights from Dayton to San Juan. 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 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$264Average$520FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$305Average$497FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$370Average$579FlexibilityNo cancel feeOn-time71%

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.