Southwest Airlines flights to Washington D.C.

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The best Southwest Airlines flight deals to Washington D.C.

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

Find which Washington D.C. airports Southwest Airlines flies to

We were able to find fares for the following Washington D.C. airports. Find the one that works for you.

Flying to Washington D.C. with Southwest Airlines

The things to know before you go.
Cheapest month to flyMarch

Flying to Washington D.C. with Southwest Airlines: FAQs

Southwest Airlines currently also flies to Denver International, Las Vegas Harry Reid International and Phoenix Sky Harbor.