Cheap Flights from Washington Dulles International Airport to Lisbon (LIS) Find and Compare the Best Airline Deals | Skyticket

Departure Date

2025/7
Sun	Mon	Tue	Wed	Thu	Fri	Sat
		1------	2------	3------	4------	5------
6------	7------	8------	9------	10------	11------	12------
13------	14------	15------	16------	17------	18------	19------
20------	21------	22Search	23Search	24Search	25Search	26993
27Search	281,155	29Search	30Search	31Search

Select Return Date　　 Change Departure Date

Return Date

2025/7
Sun	Mon	Tue	Wed	Thu	Fri	Sat
		1------	2------	3------	4------	5------
6------	7------	8------	9------	10------	11------	12------
13------	14------	15------	16------	17------	18------	19------
20------	21------	22------	23------	24------	25------	26------
27------	28------	29------	30------	31------

　　Select Departure Date

Currency:US Dollar Loading Searching Fares Updating Fares

Departure Date

―

Return Date

Total Fares（Round-Trip/Economy）: USD /Per Person

* Displayed fare(s) may differ from the actual search result

Washington Dulles－Lisbon Portela Airport
July Lowest Airfares
USD993

The airfare displayed above is for United Airlines

Set calendar for this month
Washington Dulles－Lisbon Portela Airport
August Lowest Airfares
USD743

The airfare displayed above is for United Airlines

Set calendar for this month

Washington Dulles－Lisbon Portela Airport
September Lowest Airfares
USD638

The airfare displayed above is for Turkish Airlines

Set calendar for this month
Washington Dulles－Lisbon Portela Airport
October Lowest Airfares
USD478

The airfare displayed above is for British Airways

Set calendar for this month
Washington Dulles－Lisbon Portela Airport
November Lowest Airfares
USD574

The airfare displayed above is for British Airways

Set calendar for this month

Washington D.C－Lisbon
Estimated Flight Time
7 Hours 15 Minutes
Washington D.C－Lisbon
Number of Operating Airlines
18

Operating Airlines for Washington Dulles－Lisbon Portela Airport Route
Non-StopTAP Portugal

Non-StopUnited Airlines

Air Canada

Air France

Royal Air Maroc

ITA Airways

British Airways

Delta Air Lines

Emirates Airlines

Iberia Airlines

Klm Royal Dutch Airlines

Lufthansa

Swissair

Scandinavian Airlines

Brussels Airlines

Aeroflot Russian Airlines

Turkish Airlines

LCCAustrian Airlines

Other Destinations from:Washington D.C

Washington Dulles－Porto(OPO)
USD496〜
* Fares vary in accordance to seat availability
Other Departures to: Lisbon

Dallas/Fort Worth Airport－Lisbon(Portela)
USD659〜
San Diego Airport－Lisbon(Portela)
USD595〜
O'Hare Airport－Lisbon(Portela)
USD379〜
Hartsfield-Jackson Atlanta Airport－Lisbon(Portela)
USD582〜
Ronald Reagan Washington National Airport－Lisbon(Portela)
USD720〜
* Fares vary in accordance to seat availability