Washington, D.C. to Southampton Flights on Aer Lingus from $1,256.26*
Book Washington, D.C. to Southampton flight deals*
location_on
location_on
Try updating your route (origin and/or destination) or interact with individual dates below in order to find offers.
Other useful links
Aer Lingus Newsletter
Sign Up and Save
✔ Be first to receive current offers
✔ Learn about new and exciting destinations
✔ Get the latest travel news and more
Book Washington, D.C. to Southampton flight deals*
flight_takeoff
flight_land
$
From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| FromWashington, D.C. (IAD) | ToSouthampton (SOU) | Roundtrip* / Economy | Aug 21 2025 - Sep 6 2025 | From $1,256.26* Seen: 8 minutes ago |
| FromWashington, D.C. (IAD) | ToSouthampton (SOU) | Roundtrip* / Economy | Aug 29 2025 - Sep 13 2025 | From $1,632.81* Seen: 4 hrs ago |
* Fares displayed include air transportation charges, taxes and fees. Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Fares are economy class and may include connections with our partner airlines. Modifying this information may result in a different fare. Additional baggage fees and charges for optional products and services may apply.