Find cheap flights from Portugal to Reagan Washington National Airport from $491

You’ll need to travel 4 miles to reach the Washington, D.C. city center from Reagan Washington National Airport.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Reagan Washington National Airport.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Reagan Washington National Airport is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Reagan Washington National Airport with an airline and back with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Reagan Washington National Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Of the 7 airlines that fly to Washington, D.C. Reagan-National Airport, American Airlines offers the most flights, with around 2,652 per week, followed by Delta with 663 flights per week.