Flights from Washington Dulles to Lisbon
IADLIS
Washington Dulles International Airport (Dulles, United States) → Lisbon Humberto Delgado Airport (Lisbon, Portugal)
- Nonstop
- 6h 50m
- Distance
- 5,766 km
- Frequency
- 7×/week
- One-way from
- $384
- Airlines
- TAP Air Portugal, United Airlines
Fares by month
One-way, per personLowest fares Aviasales travelers found in recent searches; some may include a connection. Prices change often — tap a month to see live fares.
Weekly schedule
Monday
- TP23217:25→05:357h 10mTAP Air Portugal
- UA94222:30→10:206h 50mUnited Airlines
Tuesday
- TP23217:25→05:357h 10mTAP Air Portugal
- UA94222:15→10:056h 50mUnited Airlines
Wednesday
- TP23422:30→10:407h 10mTAP Air Portugal
- UA94222:30→10:206h 50mUnited Airlines
Thursday
- TP23217:25→05:357h 10mTAP Air Portugal
- UA94222:30→10:206h 50mUnited Airlines
Friday
- UA94222:30→10:206h 50mUnited Airlines
- TP23422:30→10:407h 10mTAP Air Portugal
Saturday
- TP23217:25→05:357h 10mTAP Air Portugal
- UA94222:30→10:206h 50mUnited Airlines
Sunday
- UA94222:15→10:056h 50mUnited Airlines
- TP23422:30→10:407h 10mTAP Air Portugal
Washington Dulles to Lisbon — frequently asked
- How long is the flight from Washington Dulles to Lisbon?
- IAD–LIS is 6h 50m nonstop, covering 5,766 km (3,583 mi).
- Which airlines fly nonstop from Washington Dulles to Lisbon?
- TAP Air Portugal, United Airlines operate this route nonstop.
- How much is a flight from Washington Dulles to Lisbon?
- One-way fares on IAD–LIS recently started from $384. The lowest recent fare is for travel in November 2026. Fares change daily, so check current prices before booking.
- How often do flights run from Washington Dulles to Lisbon?
- The route is served 7 days a week (14 scheduled departures).