Cheap Flights from Washington, D.C. to San Juan
No deal from Washington, D.C. to San Juan has cleared our price bar yet. What we have seen on the route is below.
Across 3 months of observations from Washington, D.C. to San Juan, the lowest round-trip fare we recorded was $130, in October. The typical fare was $400. October was the cheapest month we saw and August the dearest.
The most recent price we saw on this route was $130 on Frontier, seen Oct 16. It is an unverified observation and may have changed.
See every deal <a href="/from/washington-dc">from Washington, D.C.</a>, <a href="/to/san-juan">to San Juan</a>, or the return direction <a href="/from/san-juan/to/washington-dc">San Juan to Washington, D.C.</a>.
Latest price we saw: Washington, D.C. to San Juan
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Washington, D.C. (IAD) to San Juan (SJU) | $130 | 4.1¢ | Nov 15 – Nov 24 | Frontier | Oct 16 | Check price |
Price history: Washington, D.C. to San Juan
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $130 | $611 | 15 |
| Sep 2026 | $162 | $293 | 250 |
| Aug 2026 | $172 | $297 | 227 |
Frequently asked questions
How many flight deals from Washington, D.C. to San Juan are on Sparkflights right now?
There are 0 verified deals from Washington, D.C. to San Juan on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Washington, D.C. to San Juan?
The lowest fare we've recorded from Washington, D.C. to San Juan is $130, based on 492 price observations over 3 months.
How much does a flight from Washington, D.C. to San Juan cost?
The typical round-trip fare we observed from Washington, D.C. to San Juan is $400, against a recorded low of $130. These are observations, not quotes.
When is the cheapest month to fly Washington, D.C. to San Juan?
October was the cheapest month we observed from Washington, D.C. to San Juan and August the dearest, over 3 months of data.
What is the current price from Washington, D.C. to San Juan?
The most recent fare our sweep saw from Washington, D.C. to San Juan is $130, on Oct 16. It is an unverified observation rather than a verified deal, so check it before booking.