Frontier Airlines flights from IAD to SJU
Find comprehensive Frontier Airlines flight information, schedules, and booking details for direct flights from IAD to SJU. Frontier Airlines operates 2-3 flights daily flights on this route.• Flight Duration: 3h 45m - 4h 00m (average flight time)• Distance: 1583 miles (2547 km) (air miles between airports)• Daily Flights: 2-3 flights (scheduled departures per day)
IAD
SJU
FLIGHT TIME
3h 45m - 4h 00m
FLIGHT DISTANCE
1583 miles (2547 km)
3h 47m - 3h 47m
20:06
20:06
1583 miles (2547 km)
April
1 (Show)
19
Frontier Airlines Flight Schedule from IAD to SJU
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
F92906 |  Frontier Airlines | 20:06 | 00:53:00 | Airbus A320neo |
Frontier Airlines Monthly Flight Calendar
December 2025
Route Insights
Pricing patterns: April typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 20:00, offering more flight options and potentially better connections.
IAD - SJU flight price statistics
$471
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$353
Jan$531
Feb$389
Mar$259
Apr$914
May$489
Jun$489
Jul$345
Aug$345
Sep$345
Oct$345
Nov$849
DecFrontier Airlines Terminal Information
Terminal information for Frontier Airlines on this route is currently being updated. Please check back soon or contact the airports directly for terminal details.
Frequently Asked Questions about Frontier Airlines Flights
How many Frontier Airlines flights operate from IAD to SJU?
Frontier Airlines operates 1 flight from IAD to SJU.
What city does SJU airport serve?
SJU airport serves San Juan.
How long is the Frontier Airlines flight from IAD to SJU?
The flight duration is approximately 3h 45m - 4h 00m.
What is the distance from IAD to SJU?
The distance is 1583 miles (2547 km).
What aircraft does Frontier Airlines use on this route?
Frontier Airlines uses Airbus A320neo on this route.
Which other airlines operate on this route?
1 other airline operates on this route: United Airlines.
What is the cheapest month to fly Frontier Airlines from IAD to SJU?
April is typically the cheapest month to fly Frontier Airlines on this route.
What is the average price for a Frontier Airlines flight from IAD to SJU?
The average price for a round-trip Frontier Airlines flight on this route is approximately $471. Prices can vary based on booking time and demand.
How many Frontier Airlines flights operate per week on this route?
Frontier Airlines operates approximately 19 flights per week from IAD to SJU.