Find Cheap Flights from Lehigh Valley to San Juan | Cheapflights

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Find flight deals from Lehigh Valley to San Juan

Round-trip from	$343 (Delta)
One-way from	$151 (Delta)
Popular in	September
Cheapest in	February
Average price	$545

From Lehigh Valley to San Juan

One-way flight from Lehigh Valley to San Juan

Highest demand for flights based on searches. 26% potential increase in price ($198 potential increase over avg. RT price).

Cheapest flight prices on average. 18% potential price decrease ($85 potential savings vs. average RT price).

Average for round-trip flights in May 2026

Cheapflights Insights

Everything you need to know about your flight from Lehigh Valley to San Juan

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

To ensure you get the cheapest price possible for a flight from Lehigh Valley to San Juan, you should look to book at least 23 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 Lehigh Valley to San Juan?

Currently, December is the cheapest month in which you can book a flight from Lehigh Valley to San Juan (average of $83). Flying from Lehigh Valley to San Juan in June is currently the most expensive (average of $427). 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.

Reviews of airlines servicing San Juan

See what other customers who have flown with Delta,American Airlines, andFrontier from Lehigh Valley to San Juan have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

7.9

Good

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

7.9

Good

7.9

Good

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

American Airlines

7.1

Good

7.9

Good

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

5.7

Fair

7.9

Good

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

How long is the flight from Lehigh Valley to San Juan?
Airlines like Delta and United Airlines fly from Lehigh Valley to San Juan in about 9h 19m. The time it takes to get you to your destination can typically vary by up to 03m. There are 1633 mi between Lehigh Valley and San Juan. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from Lehigh Valley to San Juan that include hotel bookings?
Yes. In addition to deals on Lehigh Valley to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Lehigh Valley to San Juan?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Lehigh Valley to San Juan.
Can I find deals for business class flights from Lehigh Valley to San Juan?
Yes. Cheapflights offers flight deals from Lehigh Valley 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 Lehigh Valley to San Juan?
Currently, December is the cheapest month in which you can book a flight from Lehigh Valley to San Juan (average of $83). Flying from Lehigh Valley to San Juan in June is currently the most expensive (average of $427). 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 Lehigh Valley to San Juan

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$83	Average$210	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$182	Average$477	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$249	Average$466	FlexibilityNo cancel fee	On-time71%

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