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International route

Cheap flights from Washington to Lisbon

Ronald Reagan Washington National Airport (DCA) to Lisbon Humberto Delgado Airport (LIS). 3,565 miles, 6h 50m nonstop.

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DCA to LIS at a glance

Computed from airline schedules and the fares we track for this route. Refreshed several times a day.

Distance
3,565 milesgreat-circle
Typical flight time
6h 50mnonstop, gate to gate
Nonstop airlines
AATP2 airlinesAmerican, TAP Air Portugal
Nonstop flights per day
2all airlines combined
Cheapest month
January 2027over the next six months
Best day to fly
Tuesday20% less than Friday
Time difference
5h aheadLisbon vs Washington

Washington to Lisbon

Round trips from $289

Per traveler, taxes and fees included. Lowest fare we found departs Wed, Jan 13.

Cheapest month: January 2027

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Washington to Lisbon fares by month

Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.

Which airport should I use?

Washington has 3 airports. Fares can differ by $50 to $150 round trip between them, so check the alternatives before you book.

Tips for this route

  • Only American and TAP Air Portugal fly this route nonstop, which keeps nonstop fares firm. A one-stop itinerary through YYZ or LHR is usually cheaper if you can spare the extra three to five hours.
  • January 2027 is the cheapest month to fly over the next six months, with round trips from $289; September 2026 is the most expensive at $364 and up, a difference of $75 per traveler.
  • Departing on a Tuesday averages 20% less than a Friday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
  • Book 6 to 12 weeks ahead; fares climb in the last three weeks and around holidays.
  • Lisbon is 5 hours ahead of Washington. Expect to lose 5 hours on the clock heading east, so an overnight or late-afternoon departure tends to arrive at a more usable hour.

Washington to Lisbon: common questions

How long is the flight from Washington to Lisbon?

A nonstop flight from Washington (DCA) to Lisbon (LIS) takes about 6h 50m gate to gate, covering 3,565 miles. Connecting itineraries add the layover, typically 2 to 5 hours more in total.

Which airlines fly nonstop from DCA to LIS?

American Airlines and TAP Air Portugal operate nonstop flights from Washington (DCA) to Lisbon (LIS), with 2 nonstop departures a day between them. One-stop options connect through YYZ, LHR and MSP.

What is the cheapest month to fly from Washington to Lisbon?

Over the next six months, January 2027 has the lowest round-trip fares from Washington (DCA) to Lisbon (LIS), starting at $289 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.

How far in advance should I book Washington to Lisbon flights?

Book 6 to 12 weeks ahead; fares climb in the last three weeks and around holidays. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.

What is the time difference between Washington and Lisbon?

Lisbon is 5 hours ahead of Washington. DCA is on America/New York time and LIS on Europe/Lisbon time. Departure and arrival times in search results are always shown in local time at each airport.

Related routes

Other popular city pairs from the same departure city and to the same destination, with the lowest round-trip fares we found.

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