Delta Flight 1859 Deals & Information (2026/2027)

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Delta Flight 1859 Route Deals From $149

The cheapest prices found with in the last 7 days for return flights were $257 and $149 for one-way flights to Luis Munoz Marin Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jul 21 - Tue, Jul 28
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$257 Roundtrip, found 2 days ago
$257
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jul 21 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Tue, Jul 28, priced at $257 found 2 days ago
Sat, Jul 4 - Wed, Jul 8
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$277 Roundtrip, found 16 hours ago
$277
Roundtrip
found 16 hours ago
Select Delta flight, departing Sat, Jul 4 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Wed, Jul 8, priced at $277 found 16 hours ago
Sat, Jul 4 - Fri, Jul 10
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$297 Roundtrip, just found
$297
Roundtrip
just found
Select Delta flight, departing Sat, Jul 4 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Fri, Jul 10, priced at $297 just found
Sat, Jul 4 - Fri, Jul 10
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$322 Roundtrip, just found
$322
Roundtrip
just found
Select Delta flight, departing Sat, Jul 4 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Fri, Jul 10, priced at $322 just found
Mon, May 11 - Thu, May 21
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$338 Roundtrip, found 2 days ago
$338
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, May 11 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Thu, May 21, priced at $338 found 2 days ago
Wed, Aug 26 - Wed, Sep 2
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$342 Roundtrip, just found
$342
Roundtrip
just found
Select Delta flight, departing Wed, Aug 26 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Wed, Sep 2, priced at $342 just found
Sat, Jun 6 - Thu, Jun 11
JFK
John F. Kennedy Intl.
SJU
Luis Munoz Marin Intl.
$346 Roundtrip, just found
$346
Roundtrip
just found
Select Delta flight, departing Sat, Jun 6 from John F. Kennedy Intl. to Luis Munoz Marin Intl., returning Thu, Jun 11, priced at $346 just found

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.