Raleigh to San Juan RDU → SJU
Raleigh-Durham International Airport (RDU) → Luis Munoz Marin International Airport (SJU)
The cheapest return found recently is $194 with Frontier Airlines, 26 Oct – 29 Oct, found yesterday. The cheapest one-way found recently is $106 with Frontier Airlines, 30 Oct, found 3 days ago.
Return
The cheapest return fare on each of 7 departure dates is usually $199 to $305.
Cheapest return found recently
$194
26 Oct – 29 Oct · Frontier Airlines
Raleigh-Durham International Airport (RDU) → Luis Munoz Marin International Airport (SJU)
Leaves 2:54 p.m. · Return leaves 6:00 a.m. · 21 h 23 min of travel, both ways together
out 1 stop, back 1 stop
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$194 26 Oct – 29 Octfound yesterdaySee prices for these dates
$124 10 Dec – 17 Decfound 3 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $124 to $305.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 7 departure dates from 26 Oct to 29 Jan 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
No. We hold 3-night return fares on 1 other departure date within 3 days of 26 Oct, and it is not cheaper.
Every date we hold
7 fares on 7 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 26 Oct – 29 Oct | $194 | Frontier Airlines | Raleigh-Durham International Airport (RDU) → Luis Munoz Marin International Airport (SJU) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 27 Oct – 30 Oct | $204 | Frontier Airlines | Raleigh-Durham International Airport (RDU) → Luis Munoz Marin International Airport (SJU) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 30 Oct – 30 Oct | $306 | American Airlines | Raleigh-Durham International Airport (RDU) → Luis Munoz Marin International Airport (SJU) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 10 Dec – 17 Dec | $124 | Frontier Airlines | Raleigh-Durham International Airport (RDU) → Luis Munoz Marin International Airport (SJU) | out nonstop, back 1 stop | found 3 days ago | See prices for these dates |
| 27 Dec – 31 Dec | $414 | Frontier Airlines | Raleigh-Durham International Airport (RDU) → Luis Munoz Marin International Airport (SJU) | out 1 stop, back 1 stop | found today | See prices for these dates |
| 28 Jan 2027 – 1 Feb 2027 | $287 | Frontier Airlines | Raleigh-Durham International Airport (RDU) → Luis Munoz Marin International Airport (SJU) | out 2 stops, back 2 stops | found 2 days ago | See prices for these dates |
| 29 Jan 2027 – 1 Feb 2027 | $303 | Frontier Airlines | Raleigh-Durham International Airport (RDU) → Luis Munoz Marin International Airport (SJU) | out 2 stops, back 2 stops | found 6 days ago | See prices for these dates |
Which month looks cheapest?
December 2026 is the cheapest month — from $124.
Airlines on the cheapest dates: Frontier Airlines, American Airlines.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$106
30 Oct · Frontier Airlines
Raleigh-Durham International Airport (RDU) → Luis Munoz Marin International Airport (SJU)
Leaves 12:58 p.m. · 12 h 1 min trip
1 stop
found 3 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$106 30 Octfound 3 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 17 days, 29 Sept to 18 Oct, the cheapest one-way we saw each day was $106 to $262.
At $106, the cheapest one-way found recently is at the low end of that range.
17 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 2 departure dates and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 30 Oct to compare.
Every date we hold
2 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 21 Oct | $116 | Frontier Airlines | Raleigh-Durham International Airport (RDU) → Luis Munoz Marin International Airport (SJU) | 1 stop | found 4 days ago | Open this trip |
| 30 Oct | $106 | Frontier Airlines | Raleigh-Durham International Airport (RDU) → Luis Munoz Marin International Airport (SJU) | 1 stop | found 3 days ago | Open this trip |
Airlines on the cheapest dates: Frontier Airlines.
Premium cabin fares from Raleigh to San Juan
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 26 Oct – 29 Oct in another cabin: Premium economy · Business · First
Today's prices for 30 Oct in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Raleigh to San Juan?
Return
Fares 7 to 13 days before departure were typically 22% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $340 | $251 | +28% | 11 |
| 7–13 days | $265 | $194 | Cheapest seen | 19 |
| 14–29 days | $273 | $203 | +3% | 8 |
| 30–59 days | $305 | $124 | +15% | 8 |
| 90–179 days | $297 | $287 | +12% | 9 |
| 180+ days | $324 | $324 | +22% | 8 |
One-way
Not enough history yet: in 17 days of one-way prices, 29 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Raleigh → Saint Thomas
125 km from San Juan
$541
$347 more than flying to San Juan
5 Nov – 10 Nov · RDU → STT · out 1 stop, back 2 stops
found 3 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Jacksonville → San Juan
141 km from Raleigh
$449
$343 more than flying from Raleigh
30 Oct · OAJ → SJU · 2 stops
found 3 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 26 Oct – 29 Oct. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work