Flights » From Washington DC (IAD-Dulles) » To Lisbon, Portugal (LIS-Lisboa)

Learn about flights from IAD to LIS

On this page, you'll find a collection of useful information on flights from Washington DC (IAD-Dulles) to Lisbon, Portugal (LIS-Lisboa). When you're ready to search, click here for the cheapest flights!

Cleverlayover is a flight search engine for cheaper flights. We find savings by looking at all the possible ways to get from your origin to your destination, including searches that look at each possible layover location individually. For example, if you're flying from IAD to LIS, we'll search for flights from IAD to every other airport and then flights from those airports to LIS. After piecing together those flights, we can find savings that the other search engines don't show you.

When to book

The best day of the week to book your flight is on

Tuesday

Hotels at your destination

You can book hotels for Lisbon, Portugal (LIS-Lisboa) at any of the following sites:

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