Cheap flights from Lisbon to District of Columbia from $366

In general, February is the cheapest month to fly from Lisbon to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $676. If you don’t want to visit District of Columbia in February, then you should wait until March to fly from Lisbon, when ticket prices are also cheap, with an average price of $680.

The cheapest day to depart on your flight to District of Columbia is on a Friday when prices can be found for as low as $858. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Lisbon because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,061.

Flying to District of Columbia from Lisbon in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $713 when looking at flights departing in the afternoon. Flights to District of Columbia are more costly in the morning, with an average ticket price of $976. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Lisbon Humberto Delgado to Washington, D.C. Dulles Intl for the best Lisbon Humberto Delgado - District of Columbia flight prices

You are more likely to see cheaper flights to District of Columbia from Lisbon when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $796 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Lisbon for as low as $668 on momondo.

There are 3 cabin classes available to choose from on Lisbon to District of Columbia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

1 flights are operational daily from Lisbon to District of Columbia as of October 2026. The most popular departure time for this route is 12:00PM, with 73% of flights per day taking off in the afternoon.

The number of flights available between Lisbon and District of Columbia is 7 per week as of October 2026. The most frequent departure day is Wed, with 71% of weekly flights leaving on this day.