With United Airlines to San Juan in lie flat seats.
More routes offering lie-flat seats in Business/First Class on domestic flights within the United States can be found in our dedicated post.
👉 https://premium-flights.com/lie-flat-seats-in-business-first-class-on-domestic-flights-within-the-united-states/
How to Book
The cheapest flights can be found via OTA’s, link with prices below.
To get lie-flat seats, you’ll need to choose a flight operated by a Boeing 767, this should be flight numbers UA 2143 and UA 1173 (better check twice).
Travel Dates
Good availability across 2026 and 2027, including many weekend options.
Route Map: EWR → SJU
Fare Rules
No minimum or maximum stay requirements.
Reasonable Business Class Price
This fare from Newark to San Juan is a bit cheaper than usual for Business Class travel, although stronger deals do appear from time to time.
Want to check another route? Use our Business Class fare checker →
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