Southwest Airlines flights to Denver

The best Southwest Airlines flight deals to Denver

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

Find which Denver airports Southwest Airlines flies to

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

Flying to Denver with Southwest Airlines

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

Flying to Denver with Southwest Airlines: FAQs

The average Southwest Airlines flight time from Ireland to Denver is 9 hours and 34 minutes.
At the moment, British Airways, Aer Lingus, American Airlines and Iberia all fly to Denver too.
Southwest Airlines currently also flies to Denver International, Harry Reid International and Phoenix Sky Harbor.