Delta Flight 1859 Deals & Information (2026/2027)

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Delta Flight 1859 Route Deals From $150

The cheapest prices found with in the last 7 days for return flights were $257 and $150 for one-way flights to Luis Munoz Marin Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jun 24 - Wed, Jul 1
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$257 Roundtrip, found 21 hours ago
$257
Roundtrip
found 21 hours ago
Select Delta flight, departing Wed, Jun 24 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Wed, Jul 1, priced at $257 found 21 hours ago
Wed, Aug 19 - Wed, Sep 2
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$262 Roundtrip, found 13 hours ago
$262
Roundtrip
found 13 hours ago
Select Delta flight, departing Wed, Aug 19 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Wed, Sep 2, priced at $262 found 13 hours ago
Sat, Jul 4 - Thu, Jul 9
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$282 Roundtrip, found 1 day ago
$282
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Jul 4 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Thu, Jul 9, priced at $282 found 1 day ago
Thu, Aug 20 - Thu, Aug 27
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$307 Roundtrip, found 10 hours ago
$307
Roundtrip
found 10 hours ago
Select Delta flight, departing Thu, Aug 20 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Thu, Aug 27, priced at $307 found 10 hours ago

Frequently asked questions

What route does flight number DL1859 take?
DL1859 operates between JFK Airport and Luis Munoz Marin Intl. Airport (SJU) and is a direct flight. This trip usually takes 4 hours and 15 minutes.
How often is DL1859 on time?
Delta flight number DL1859 between JFK Airport and San Juan Airport (SJU-Luis Munoz Marin Intl.) operates on schedule 95% of the time — so you can relax knowing that you'll reach your destination ASAP. If your journey is delayed, you can expect to wait roughly 24 minutes. This route has a 4.05-star rating.
What terminal does DL1859 fly out of?
You'll likely be jetting out of Terminal 4 if you're traveling on flight number DL1859 direct from John F. Kennedy Intl. Airport (JFK) to Luis Munoz Marin Intl. Airport (SJU).
What kind of plane is on flight number DL1859?
The Boeing 737-900 is the aircraft model most commonly used for flight number DL1859. Usually, this flight heads off from JFK Airport and touches down at SJU.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your DL1859 flight with Travelocity, please visit our Customer Service Portal.