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$216+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
DAY — SJU
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheapflights Tip: The best prices from Dayton to San Juan are usually found in January or February, booked 77 days in advance, depart on a Tuesday or Monday and return on a Monday

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 April 29, 2025.

Round-trip from

$255
(American Airlines)

One-way from

$216
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$622
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. 13% potential increase in price ($91 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 April 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 April 29, 2025.

This American Airlines deal was found by Cheapflights users on 4/27. 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 5/205:47 pmDAY - SJU
2 stops18h 52mAmerican Airlines
Thu 5/296:10 amSJU - DAY
2 stops15h 44mAmerican Airlines
Deal found 4/27$255
This United Airlines deal was found by Cheapflights users on 4/28. 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 6/116:00 amDAY - SJU
1 stop8h 44mUnited Airlines
Mon 6/161:05 amSJU - DAY
2 stops11h 53mUnited Airlines
Deal found 4/28$455
This Delta deal was found by Cheapflights users on 4/28. 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.
Wed 6/185:40 amDAY - SJU
1 stop6h 19mDelta
Wed 7/302:40 pmSJU - DAY
1 stop9h 33mDelta
Deal found 4/28$508

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 April 29, 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 5/20

5:47 pm-12:39 pm

2 stops18h 52m

San Juan Luis Munoz Marin Intl

Wed 5/28

6:10 am-9:54 pm

2 stops15h 44m

$255

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Wed 6/11

6:00 am-2:44 pm

1 stop8h 44m

San Juan Luis Munoz Marin Intl

Mon 6/16

1:05 am-12:58 pm

2 stops11h 53m

$455

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Wed 6/18

5:40 am-11:59 am

1 stop6h 19m

San Juan Luis Munoz Marin Intl

Wed 7/30

2:40 pm-12:13 am

1 stop9h 33m

$508

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Thu 5/29

8:03 am-10:30 pm

1 stop14h 27m

$216

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Fri 8/15

5:55 pm-2:44 pm

1 stop20h 49m

$316

DaytonSan Juan

DAY - SJU

DAYSJU

Dayton

Fri 6/20

5:40 am-1:30 pm

1 stop7h 50m

$892

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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

How far ahead should I book a flight from Dayton to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from Dayton to San Juan. Price data was last updated on April 25, 2025.

To ensure you get the cheapest price possible for a flight from Dayton to San Juan, you should look to book at least 77 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 Dayton to San Juan?

Currently, September is the cheapest month in which you can book a flight from Dayton to San Juan (average of $254). Flying from Dayton to San Juan in December is currently the most expensive (average of $336). 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 April 29, 2025.

It’s optimal to fly from Dayton to San Juan in the afternoon. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight in the morning.

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 April 29, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from Dayton to San Juan by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    American Airlines, at $255, was found to be the cheapest airline from Dayton to San Juan.Alternate airlines to your destination round-trip include United Airlines and Delta. These flights start at 55% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Dayton to San Juan one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $216. Users have also found prices from $316 and $892 on United Airlines and Delta, respectively.

  • 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, September is the cheapest month in which you can book a flight from Dayton to San Juan (average of $254). Flying from Dayton to San Juan in December is currently the most expensive (average of $336). 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$264Average$471FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$284Average$593FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$364Average$635FlexibilityNo cancel feeOn-time69%

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