Southwest Airlines flights to Washington Dulles

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The best Southwest Airlines flight deals to Washington Dulles

Looking for a last minute deal or the best direct flight? Find the biggest savings on one-way and return trips to Washington Dulles with Southwest Airlines right here.

Alternative routes to Washington D.C.

Compare routes to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier.

Flying to Washington Dulles with Southwest Airlines

The things to know before you go.
Cheapest month to flyAugust
Nearby cities to visitWashington D.C.
Time difference between Dublin and Washington Dulles5 hrs (GMT -4)

Flying to Washington Dulles with Southwest Airlines: FAQs

The average Southwest Airlines flight time from Ireland to Washington Dulles is 8 hours and 8 minutes.
No – if you want to travel with Southwest Airlines, Washington Dulles is currently the only airport serving Washington D.C..
At the moment, Aer Lingus, American Airlines, British Airways, Air Canada and United all fly to Washington Dulles too.