San Juan

$200+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — SJU
Nov 29 — Dec 61
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

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 October 30, 2025.

Round-trip from

$235
(American Airlines)

One-way from

$200
(Delta)

Popular in

August

Cheapest in

October

Average price

$415
From Dayton to San Juan
One-way flight from Dayton to San Juan
Highest demand for flights based on searches. 16% potential increase in price ($116 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in October 2025

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 October 30, 2025.

This American Airlines deal was found by Cheapflights users on 10/30. 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 12/61:47 pmDAY - SJU
2 stops9h 05mAmerican Airlines
Sat 12/138:18 amSJU - DAY
2 stops11h 25mAmerican Airlines
Deal found 10/30$268
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/229:00 amDAY - SJU
2 stops10h 09mUnited Airlines
Tue 1/62:05 amSJU - DAY
2 stops12h 18mUnited Airlines
Deal found 10/29$325
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sat 12/611:43 amDAY - SJU
1 stop8h 17mUnited Airlines
Fri 12/122:05 amSJU - DAY
2 stops12h 13mUnited Airlines
Deal found 10/30$333
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/236:28 amDAY - SJU
2 stops12h 41mUnited Airlines
Thu 1/82:15 pmSJU - DAY
2 stops10h 29mUnited Airlines
Deal found 10/29$380
This Delta deal was found by Cheapflights users on 10/29. 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 11/43:17 pmDAY - SJU
1 stop6h 42mDelta
Tue 11/111:57 pmSJU - DAY
1 stop10h 13mDelta
Deal found 10/29$399
This American Airlines deal was found by Cheapflights users on 10/29. 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 stop16h 59mAmerican Airlines
Thu 1/86:30 amSJU - DAY
1 stop15h 08mAmerican Airlines
Deal found 10/29$435
This American Airlines deal was found by Cheapflights users on 10/29. 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 12/248:21 amDAY - SJU
1 stop12h 44mAmerican Airlines
Thu 1/86:30 amSJU - DAY
1 stop15h 08mAmerican Airlines
Deal found 10/29$438
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/229:00 amDAY - SJU
2 stops10h 09mUnited Airlines
Sat 1/37:00 amSJU - DAY
2 stops10h 46mUnited Airlines
Deal found 10/29$445
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/229:00 amDAY - SJU
2 stops10h 09mUnited Airlines
Thu 1/12:05 amSJU - DAY
2 stops12h 13mUnited Airlines
Deal found 10/29$465
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sat 12/279:00 amDAY - SJU
2 stops20h 11mUnited Airlines
Thu 1/82:15 pmSJU - DAY
2 stops10h 29mUnited Airlines
Deal found 10/29$475

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 October 30, 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

Tue 3/10

11:00 am-9:22 pm

2 stops10h 22m

San Juan Luis Munoz Marin Intl

Tue 3/10

1:05 am-1:24 pm

2 stops12h 19m

$320

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Thu 12/25

6:28 am-8:09 pm

2 stops12h 41m

San Juan Luis Munoz Marin Intl

Thu 1/8

2:15 pm-11:44 pm

2 stops10h 29m

$325

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Sun 1/11

10:50 am-9:00 pm

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Thu 1/15

8:10 am-2:17 pm

1 stop7h 07m

$325

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Wed 12/24

6:28 am-8:09 pm

2 stops12h 41m

San Juan Luis Munoz Marin Intl

Sun 1/4

2:05 am-1:18 pm

2 stops12h 13m

$325

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Tue 12/23

6:28 am-8:09 pm

2 stops12h 41m

San Juan Luis Munoz Marin Intl

Tue 1/6

2:05 am-5:03 pm

2 stops15h 58m

$380

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Tue 12/23

6:28 am-8:09 pm

2 stops12h 41m

San Juan Luis Munoz Marin Intl

Thu 1/8

2:15 pm-11:44 pm

2 stops10h 29m

$380

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Tue 3/24

5:50 am-8:26 pm

2 stops14h 36m

San Juan Luis Munoz Marin Intl

Tue 3/24

1:05 am-1:24 pm

2 stops12h 19m

$435

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Sun 2/15

11:00 am-9:00 pm

1 stop9h 00m

San Juan Luis Munoz Marin Intl

Thu 2/19

8:10 am-2:22 pm

1 stop7h 12m

$440

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Sun 11/9

6:00 am-3:54 pm

2 stops8h 54m

$200

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Sun 11/9

1:22 pm-11:13 pm

1 stop8h 51m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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 October 30, 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 October 30, 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.

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 fly from Dayton to San Juan in about 10h 22m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 1837 mi.

  • 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 55% 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.

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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$264Average$477FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$364Average$503FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$370Average$568FlexibilityNo 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.