# Who flies Washington (any) → Jacksonville nonstop?

**4 airlines fly Washington (any) → Jacksonville nonstop: Allegiant Air (IAD), American Airlines (DCA), Southwest Airlines (BWI) and United Airlines (IAD).**

| Airline | Routes | Book direct |
|---|---|---|
| Allegiant Air | Dulles (IAD) → Jacksonville (JAX) | https://www.allegiantair.com/ |
| American Airlines | Ronald Reagan Washington National (DCA) → Jacksonville (JAX) | https://www.aa.com |
| Southwest Airlines | Baltimore/Washington (BWI) → Jacksonville (JAX) | https://www.southwest.com/ |
| United Airlines | Dulles (IAD) → Jacksonville (JAX) | https://www.united.com |

bookDirect is the airline's own website. picktheflight earns nothing from it.

Compare fares for IAD-JAX: [Trip.com](https://www.trip.com/flights/washington-to-jacksonville/tickets-IAD-JAX/?allianceid=1094387&sid=2209817&trip_sub1=c4c6f3cbcbb845d69061b1005-713359) · [Aviasales](https://www.aviasales.com/search/IAD1711JAX1?marker=713359). Affiliate links (Trip.com, Aviasales): picktheflight may earn a commission. It never changes the price or which airlines are listed.

On picktheflight: https://picktheflight.com/?from=DCA&fm=1&to=JAX · JSON: https://picktheflight.com/intents/DCA/JAX?fm=1

---
Data built 2026-10-26 from airline schedule tables on Wikipedia ("Airlines and destinations"), matched by exact airport article; airline booking sites from Wikidata. Schedules change. Confirm the flight on the airline's own site before booking.