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San Juan

$118+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — SJU
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Cheap 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 November 20, 2025.

Round-trip from

$272
(United Airlines)

One-way from

$118
(American Airlines)

Popular in

August

Cheapest in

October

Average price

$497
From Dayton to San Juan
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One-way flight from Dayton to San Juan
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Highest demand for flights based on searches. 21% potential increase in price ($154 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 20, 2025.

This Delta deal was found by Cheapflights users on 11/19. 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.
Tue 12/96:00 amDAY - SJU
1 stop10h 28mDelta
Fri 12/121:55 pmSJU - DAY
1 stop10h 16mDelta
Deal found 11/19$317
This American Airlines deal was found by Cheapflights users on 11/19. 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 12/610:38 amDAY - SJU
2 stops10h 27mAmerican Airlines
Sat 12/132:05 pmSJU - DAY
2 stops10h 04mAmerican Airlines
Deal found 11/19$324
This Delta deal was found by Cheapflights users on 11/19. 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 12/66:00 amDAY - SJU
1 stop10h 28mDelta
Thu 12/117:00 amSJU - DAY
1 stop8h 10mDelta
Deal found 11/19$362
This Delta deal was found by Cheapflights users on 11/19. 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 12/66:00 amDAY - SJU
1 stop10h 28mDelta
Wed 12/107:00 amSJU - DAY
1 stop8h 10mDelta
Deal found 11/19$393
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Tue 12/96:01 amDAY - SJU
2 stops15h 08mAmerican Airlines
Wed 12/107:00 amSJU - DAY
1 stop15h 51mAmerican Airlines
Deal found 11/19$397
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Fri 12/57:15 amDAY - SJU
2 stops14h 07mUnited Airlines
Mon 12/88:30 amSJU - DAY
1 stop6h 45mUnited Airlines
Deal found 11/20$399
This American Airlines deal was found by Cheapflights users on 11/19. 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 12/89:45 amDAY - SJU
2 stops11h 24mAmerican Airlines
Sat 12/136:25 amSJU - DAY
2 stops11h 46mAmerican Airlines
Deal found 11/19$402
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Thu 12/42:50 pmDAY - SJU
1 stop6h 32mUnited Airlines
Tue 12/168:30 amSJU - DAY
1 stop6h 45mUnited Airlines
Deal found 11/19$407
This American Airlines deal was found by Cheapflights users on 11/19. 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 12/36:00 amDAY - SJU
1 stop8h 57mAmerican Airlines
Mon 12/156:25 amSJU - DAY
1 stop15h 09mAmerican Airlines
Deal found 11/19$447
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Sun 11/2311:43 amDAY - SJU
2 stops11h 53mUnited Airlines
Tue 11/254:52 pmSJU - DAY
1 stop7h 51mUnited Airlines
Deal found 11/19$459
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/57:15 amDAY - SJU
1 stop7h 25mUnited Airlines
Tue 12/168:10 amSJU - DAY
1 stop9h 41mUnited Airlines
Deal found 11/19$467

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 November 20, 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

Mon 2/23

2:57 pm-10:22 pm

1 stop6h 25m

San Juan Luis Munoz Marin Intl

Fri 2/27

2:05 am-1:25 pm

2 stops12h 20m

$272

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Mon 1/26

6:00 am-4:20 pm

1 stop9h 20m

San Juan Luis Munoz Marin Intl

Thu 1/29

6:00 am-9:44 pm

1 stop16h 44m

$295

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Tue 12/9

6:00 am-5:28 pm

1 stop10h 28m

San Juan Luis Munoz Marin Intl

Thu 12/11

7:00 am-2:10 pm

1 stop8h 10m

$317

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Tue 12/9

6:00 am-5:28 pm

1 stop10h 28m

San Juan Luis Munoz Marin Intl

Tue 12/16

7:00 am-2:10 pm

1 stop8h 10m

$317

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Tue 12/9

6:00 am-5:28 pm

1 stop10h 28m

San Juan Luis Munoz Marin Intl

Fri 12/12

1:55 pm-11:11 pm

1 stop10h 16m

$317

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Sun 12/7

11:19 am-11:20 pm

1 stop11h 01m

San Juan Luis Munoz Marin Intl

Fri 12/12

1:55 pm-11:11 pm

1 stop10h 16m

$362

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Sat 12/6

6:00 am-5:28 pm

1 stop10h 28m

San Juan Luis Munoz Marin Intl

Tue 12/16

3:32 pm-11:11 pm

1 stop8h 39m

$362

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Sun 12/7

11:19 am-11:20 pm

1 stop11h 01m

San Juan Luis Munoz Marin Intl

Tue 12/16

7:00 am-2:10 pm

1 stop8h 10m

$362

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Sun 12/7

11:19 am-11:20 pm

1 stop11h 01m

San Juan Luis Munoz Marin Intl

Wed 12/10

7:00 am-2:10 pm

1 stop8h 10m

$393

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Fri 12/5

5:49 am-11:52 pm

1 stop17h 03m

San Juan Luis Munoz Marin Intl

Mon 12/8

3:58 pm-11:09 pm

1 stop8h 11m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 18 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 November 20, 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 November 20, 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
8,002 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

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
8,002 reviews
Delta
7.9
Good
8,002 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

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
9,029 reviews
Delta
7.9
Good
8,002 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

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
11,047 reviews
Delta
7.9
Good
8,002 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Food

7.3

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, American Airlines, and Delta fly from Dayton to San Juan in about 6h 25m. The time it takes to get you to your destination can typically vary by up to 4h 03m. 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 $264, 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 52% 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.

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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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$264Average$477FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$305Average$558FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$370Average$570FlexibilityNo cancel feeOn-time71%

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