Washington to Lisbon (IAD-LIS): nonstop flights and who flies them

TAP Portugal and United Airlines fly nonstop between Washington (IAD) and Lisbon (LIS), roughly 21 times a week. Long-haul cabins on a corridor this busy are large but never idle: premium cabin inventory reshuffles around every schedule change, and the best dates go first. TAP Portugal and United Airlines fly the route nonstop in 2LNR's schedule data; the timetable and the reverse direction are below.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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21
Nonstop flights a week
3,583 mi
Nonstop distance
Free
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Washington to Lisbon flight schedule

Scheduled nonstop departures for IAD to LIS, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Washington (IAD) to Lisbon (LIS)
Date Flight Airline Departs IAD Arrives LIS Duration Aircraft
TP 232TAP Portugal17:0505:307h 25m32Q
UA 942United Airlines22:2510:307h 5m777
TP 234TAP Portugal22:3510:557h 20m32Q
TP 232TAP Portugal17:4506:107h 25m32Q
UA 942United Airlines22:2510:307h 5m777
TP 234TAP Portugal22:3510:557h 20m32Q
TP 232TAP Portugal17:4506:107h 25m32Q
UA 942United Airlines22:2510:307h 5m777
TP 234TAP Portugal22:3510:557h 20m32Q
TP 232TAP Portugal17:0505:307h 25m321
UA 942United Airlines22:2510:307h 5m777
TP 234TAP Portugal22:5011:157h 25m32Q
TP 232TAP Portugal17:0505:307h 25m32Q
UA 942United Airlines22:3010:357h 5m777
TP 234TAP Portugal22:3510:557h 20m32Q
TP 232TAP Portugal17:4006:057h 25m32Q
UA 942United Airlines22:2510:307h 5m777
TP 234TAP Portugal22:3510:557h 20m32Q
TP 232TAP Portugal17:4006:057h 25m321
UA 942United Airlines22:2510:307h 5m777
TP 234TAP Portugal22:3510:557h 20m32Q

Showing all 21 scheduled IAD to LIS departures across the next 7 days with service. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every IAD to LIS date on the interactive map

The full IAD to LIS nonstop schedule

TAP Portugal and United Airlines fly the route nonstop in 2LNR's schedule data. This page carries the full IAD to LIS nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below.

See real availability

Confirmed upgrade and award seats on each IAD to LIS departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See IAD to LIS on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Washington to Lisbon nonstop

Carriers operating IAD to LIS nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See IAD to LIS on the interactive map →

Frequently asked questions about IAD to LIS

How far is Lisbon from Washington?
IAD to LIS covers about 3,583 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from IAD to LIS?
TAP Portugal and United Airlines fly the route nonstop. None of them is a carrier 2LNR reads inventory for, so this page carries the IAD to LIS schedule rather than a space claim.
How many flights a week are there from IAD to LIS?
About 21 nonstop flights a week run between Washington and Lisbon in the current schedule, operated by TAP Portugal and United Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from IAD to LIS depart?
Scheduled IAD to LIS nonstops in the next 7 days with service leave between 17:05 and 22:50, local time at Washington. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
Does 2LNR show upgrade or award space on IAD to LIS?
Not on this route: none of TAP Portugal and United Airlines is a carrier 2LNR reads inventory for. The page carries the full IAD to LIS nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full IAD to LIS nonstop schedule

Every scheduled departure on this route, with who flies it. On the routes 2LNR does read inventory for, upgrade and award space shows by date, the next 14 days free on every product and the full horizon on Pro.

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