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San Juan

$178+ 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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — SJU
feb. 20 — feb. 271
vie. 2/20
vie. 2/27
1 adult, Economy
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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 enero 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/20. 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.
mié. 4/2211:32 am
DAY
-
SJU
1 stop9h 02m
United Airlines
mar. 4/281:00 am
SJU
-
DAY
2 stops12h 26m
United Airlines
Deal found 1/20$256
This United Airlines deal was found by Cheapflights users on 1/21. 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.
mié. 2/182:57 pm
DAY
-
SJU
1 stop6h 25m
United Airlines
mié. 2/258:05 am
SJU
-
DAY
1 stop7h 17m
United Airlines
Deal found 1/21$279
This American Airlines deal was found by Cheapflights users on 1/21. 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.
mié. 9/97:45 am
DAY
-
SJU
2 stops10h 25m
American Airlines
mié. 9/166:00 am
SJU
-
DAY
1 stop15h 31m
American Airlines
Deal found 1/21$289
This American Airlines deal was found by Cheapflights users on 1/20. 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.
lun. 8/178:00 am
DAY
-
SJU
1 stop15h 41m
American Airlines
mar. 8/186:00 am
SJU
-
DAY
1 stop15h 31m
American Airlines
Deal found 1/20$314
This American Airlines deal was found by Cheapflights users on 1/20. 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.
mié. 4/226:00 am
DAY
-
SJU
1 stop16h 05m
American Airlines
mié. 4/297:25 am
SJU
-
DAY
2 stops10h 12m
American Airlines
Deal found 1/20$319
This American Airlines deal was found by Cheapflights users on 1/20. 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.
lun. 8/176:26 pm
DAY
-
SJU
2 stops18h 19m
American Airlines
mié. 8/198:00 am
SJU
-
DAY
1 stop9h 51m
American Airlines
Deal found 1/20$324
This United Airlines deal was found by Cheapflights users on 1/20. 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.
sáb. 2/285:49 pm
DAY
-
SJU
2 stops11h 22m
United Airlines
jue. 3/52:05 am
SJU
-
DAY
2 stops12h 14m
United Airlines
Deal found 1/20$329
This United Airlines deal was found by Cheapflights users on 1/20. 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.
jue. 2/57:00 am
DAY
-
SJU
1 stop7h 40m
United Airlines
mar. 2/102:05 am
SJU
-
DAY
2 stops12h 18m
United Airlines
Deal found 1/20$338
This American Airlines deal was found by Cheapflights users on 1/20. 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.
jue. 8/208:00 am
DAY
-
SJU
1 stop15h 41m
American Airlines
mar. 8/256:00 am
SJU
-
DAY
1 stop15h 31m
American Airlines
Deal found 1/20$352

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 enero 21, 2026.

Round-trip from

$256
(United Airlines)

One-way from

$178
(American Airlines)

Popular in

August

Cheapest in

October

Average price

$415
From Dayton to San Juan
Search Deals
One-way flight from Dayton to San Juan
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Highest demand for flights based on searches. 18% potential increase in price ($131 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 enero 21, 2026.
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

mié. 4/22

11:32 am-8:34 pm

1 stop9h 02m

San Juan Luis Munoz Marin Intl

mar. 4/28

1:00 am-1:26 pm

2 stops12h 26m

$256

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

sáb. 4/25

2:46 pm-10:54 pm

1 stop8h 08m

San Juan Luis Munoz Marin Intl

mié. 4/29

7:30 am-2:01 pm

1 stop6h 31m

$279

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

mié. 2/18

11:00 am-9:00 pm

1 stop9h 00m

San Juan Luis Munoz Marin Intl

mar. 2/24

2:05 am-1:25 pm

2 stops12h 20m

$317

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

mié. 4/22

6:00 am-10:05 pm

1 stop16h 05m

San Juan Luis Munoz Marin Intl

mié. 4/29

7:25 am-5:37 pm

2 stops10h 12m

$319

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

sáb. 2/28

5:49 pm-6:11 am

2 stops11h 22m

San Juan Luis Munoz Marin Intl

jue. 3/5

2:05 am-1:19 pm

2 stops12h 14m

$329

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

jue. 2/5

7:00 am-3:40 pm

1 stop7h 40m

San Juan Luis Munoz Marin Intl

mié. 2/11

8:10 am-2:17 pm

1 stop7h 07m

$338

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

sáb. 4/11

6:00 am-10:05 pm

1 stop16h 05m

San Juan Luis Munoz Marin Intl

sáb. 4/18

6:00 am-9:13 pm

1 stop15h 13m

$396

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

jue. 2/5

6:00 am-11:56 pm

1 stop16h 56m

San Juan Luis Munoz Marin Intl

sáb. 2/7

8:20 am-8:38 pm

2 stops13h 18m

$420

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

lun. 6/29

5:55 am-1:35 pm

1 stop7h 40m

$178

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

mar. 6/30

11:39 am-9:24 pm

2 stops9h 45m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 17 results
1
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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, February is the cheapest month in which you can book a flight from Dayton to San Juan (average of $148). 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.

How much does it cost to fly round-trip from Dayton to San Juan?

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 enero 21, 2026.
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
8,089 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

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
8,089 reviews
Delta
7.9
Good
8,089 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

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
9,191 reviews
Delta
7.9
Good
8,089 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

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
11,174 reviews
Delta
7.9
Good
8,089 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

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 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 United Airlines, Delta, and American 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 7h 57m. 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, February is the cheapest month in which you can book a flight from Dayton to San Juan (average of $148). 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

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Alternative routes for Dayton to San Juan

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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 enero 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$234Average$520FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$305Average$497FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$367Average$595FlexibilityNo cancel feeOn-time71%

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