TAP Air Portugal flights from Lisbon (LIS) to Washington Dulles (IAD).

FLIGHT SCHEDULE
Direct Flights:
Tue 10:45 Lisbon (LIS) 1 14:35 Washington Dulles (IAD) TAP Air Portugal TP 231 Non-stop Airbus A321neo (32Q) 8:50 Valid until 2026-01-20
Tue 10:45 Lisbon (LIS) 1 14:35 Washington Dulles (IAD) TAP Air Portugal TP 231 Non-stop Airbus A321neo (32Q) 8:50 Operates only on 2026-02-03
Tue 10:45 Lisbon (LIS) 1 14:35 Washington Dulles (IAD) TAP Air Portugal TP 231 Non-stop Airbus A321neo (32Q) 8:50 Effective 2026-02-17 through 2026-03-03
Tue 10:45 Lisbon (LIS) 1 15:35 Washington Dulles (IAD) TAP Air Portugal TP 231 Non-stop Airbus A321neo (32Q) 8:50 Effective 2026-03-10 through 2026-03-24
Tue 10:45 Lisbon (LIS) 1 15:35 Washington Dulles (IAD) TAP Air Portugal TP 231 Non-stop Airbus A321neo (32Q) 8:50 Operates only on 2026-10-27
Mon,Thu,Sat 11:25 Lisbon (LIS) 1 15:15 Washington Dulles (IAD) TAP Air Portugal TP 231 Non-stop Airbus A321neo (32Q) 8:50 Valid until 2026-01-31
Mon,Thu,Sat 11:25 Lisbon (LIS) 1 15:15 Washington Dulles (IAD) TAP Air Portugal TP 231 Non-stop Airbus A321neo (32Q) 8:50 Effective 2026-02-05 through 2026-02-16
Mon,Thu,Sat 11:25 Lisbon (LIS) 1 15:15 Washington Dulles (IAD) TAP Air Portugal TP 231 Non-stop Airbus A321neo (32Q) 8:50 Effective 2026-02-21 through 2026-02-26
Mon,Thu,Sat 11:25 Lisbon (LIS) 1 15:15 Washington Dulles (IAD) TAP Air Portugal TP 231 Non-stop Airbus A321neo (32Q) 8:50 Effective 2026-03-02 through 2026-03-07
Mon,Thu,Sat 11:25 Lisbon (LIS) 1 16:15 Washington Dulles (IAD) TAP Air Portugal TP 231 Non-stop Airbus A321neo (32Q) 8:50 Effective 2026-03-09 through 2026-03-28
Mon,Thu,Sat 11:25 Lisbon (LIS) 1 16:15 Washington Dulles (IAD) TAP Air Portugal TP 231 Non-stop Airbus A321neo (32Q) 8:50 Effective from 2026-10-26
Tue,Thu,Fri,Sun 11:40 Lisbon (LIS) 1 15:05 Washington Dulles (IAD) TAP Air Portugal TP 231 Non-stop Airbus A321neo (32Q) 8:25 Effective 2026-03-29 through 2026-05-05
Tue-Thu,Sun 11:40 Lisbon (LIS) 1 15:05 Washington Dulles (IAD) TAP Air Portugal TP 231 Non-stop Airbus A321neo (32Q) 8:25 Effective 2026-05-06 through 2026-05-31
Mon-Thu,Sat,Sun 11:40 Lisbon (LIS) 1 15:05 Washington Dulles (IAD) TAP Air Portugal TP 231 Non-stop Airbus A321neo (32Q) 8:25 Effective 2026-06-01 through 2026-06-25
Daily 11:40 Lisbon (LIS) 1 15:05 Washington Dulles (IAD) TAP Air Portugal TP 231 Non-stop Airbus A321neo (32Q) 8:25 Effective 2026-06-26 through 2026-10-24
Fri 12:30 Lisbon (LIS) 1 15:55 Washington Dulles (IAD) TAP Air Portugal TP 231 Non-stop Airbus A321neo (32Q) 8:25 Effective 2026-05-08 through 2026-06-19
Sat 16:40 Lisbon (LIS) 1 20:05 Washington Dulles (IAD) TAP Air Portugal TP 233 Non-stop Airbus A321neo (32Q) 8:25 Effective 2026-04-04 through 2026-10-24
Sun 17:10 Lisbon (LIS) 1 21:00 Washington Dulles (IAD) TAP Air Portugal TP 233 Non-stop Airbus A321neo (32Q) 8:50 Valid until 2026-02-22
Sun 17:10 Lisbon (LIS) 1 22:00 Washington Dulles (IAD) TAP Air Portugal TP 233 Non-stop Airbus A321neo (32Q) 8:50 Effective 2026-03-08 through 2026-03-22
Sun 17:10 Lisbon (LIS) 1 22:00 Washington Dulles (IAD) TAP Air Portugal TP 233 Non-stop Airbus A321neo (32Q) 8:50 Operates only on 2026-10-25
Wed,Fri 17:15 Lisbon (LIS) 1 21:00 Washington Dulles (IAD) TAP Air Portugal TP 233 Non-stop Airbus A321neo (32Q) 8:45 Valid until 2026-02-06
Wed,Fri 17:15 Lisbon (LIS) 1 21:00 Washington Dulles (IAD) TAP Air Portugal TP 233 Non-stop Airbus A321neo (32Q) 8:45 Effective 2026-02-13 through 2026-02-18
Wed,Fri 17:15 Lisbon (LIS) 1 21:00 Washington Dulles (IAD) TAP Air Portugal TP 233 Non-stop Airbus A321neo (32Q) 8:45 Effective 2026-02-25 through 2026-03-06
Wed,Fri 17:15 Lisbon (LIS) 1 22:00 Washington Dulles (IAD) TAP Air Portugal TP 233 Non-stop Airbus A321neo (32Q) 8:45 Effective 2026-03-11 through 2026-03-27
Mon,Wed-Fri,Sun 17:15 Lisbon (LIS) 1 20:35 Washington Dulles (IAD) TAP Air Portugal TP 233 Non-stop Airbus A321neo (32Q) 8:20 Effective 2026-03-29 through 2026-05-04
Mon-Fri,Sun 17:15 Lisbon (LIS) 1 20:35 Washington Dulles (IAD) TAP Air Portugal TP 233 Non-stop Airbus A321neo (32Q) 8:20 Effective 2026-05-05 through 2026-10-23
Wed,Fri 17:15 Lisbon (LIS) 1 22:00 Washington Dulles (IAD) TAP Air Portugal TP 233 Non-stop Airbus A321neo (32Q) 8:45 Effective from 2026-10-28

An international route departing from Lisbon airport, Portugal (LIS) and arriving at Washington Dulles airport, United States (IAD).
The flight distance is 3580 miles, or 5761 km.
The timezone of the departure airport is UTC+0 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 8:20 and 8:50.

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FLIGHT SCHEDULE

Direct Flights:

TAP Air Portugal TP231

10:45

Lisbon (LIS) 1

14:35

Washington Dulles (IAD)

Valid until 2026-01-20

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 8:50, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP231

10:45

Lisbon (LIS) 1

14:35

Washington Dulles (IAD)

Operates only on 2026-02-03

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 8:50, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP231

10:45

Lisbon (LIS) 1

14:35

Washington Dulles (IAD)

Effective 2026-02-17 through 2026-03-03

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 8:50, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP231

10:45

Lisbon (LIS) 1

15:35

Washington Dulles (IAD)

Effective 2026-03-10 through 2026-03-24

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 8:50, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP231

10:45

Lisbon (LIS) 1

15:35

Washington Dulles (IAD)

Operates only on 2026-10-27

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 8:50, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP231

11:25

Lisbon (LIS) 1

15:15

Washington Dulles (IAD)

Valid until 2026-01-31

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

Duration: 8:50, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP231

11:25

Lisbon (LIS) 1

15:15

Washington Dulles (IAD)

Effective 2026-02-05 through 2026-02-16

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

Duration: 8:50, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP231

11:25

Lisbon (LIS) 1

15:15

Washington Dulles (IAD)

Effective 2026-02-21 through 2026-02-26

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

Duration: 8:50, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP231

11:25

Lisbon (LIS) 1

15:15

Washington Dulles (IAD)

Effective 2026-03-02 through 2026-03-07

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

Duration: 8:50, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP231

11:25

Lisbon (LIS) 1

16:15

Washington Dulles (IAD)

Effective 2026-03-09 through 2026-03-28

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

Duration: 8:50, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP231

11:25

Lisbon (LIS) 1

16:15

Washington Dulles (IAD)

Effective from 2026-10-26

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat

Sun
-

Duration: 8:50, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP231

11:40

Lisbon (LIS) 1

15:05

Washington Dulles (IAD)

Effective 2026-03-29 through 2026-05-05

Mon
-

Tue

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 8:25, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP231

11:40

Lisbon (LIS) 1

15:05

Washington Dulles (IAD)

Effective 2026-05-06 through 2026-05-31

Mon
-

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 8:25, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP231

11:40

Lisbon (LIS) 1

15:05

Washington Dulles (IAD)

Effective 2026-06-01 through 2026-06-25

Mon

Tue

Wed

Thu

Fri
-

Sat

Sun

Duration: 8:25, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP231

11:40

Lisbon (LIS) 1

15:05

Washington Dulles (IAD)

Effective 2026-06-26 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 8:25, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP231

12:30

Lisbon (LIS) 1

15:55

Washington Dulles (IAD)

Effective 2026-05-08 through 2026-06-19

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 8:25, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP233

16:40

Lisbon (LIS) 1

20:05

Washington Dulles (IAD)

Effective 2026-04-04 through 2026-10-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 8:25, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP233

17:10

Lisbon (LIS) 1

21:00

Washington Dulles (IAD)

Valid until 2026-02-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 8:50, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP233

17:10

Lisbon (LIS) 1

22:00

Washington Dulles (IAD)

Effective 2026-03-08 through 2026-03-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 8:50, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP233

17:10

Lisbon (LIS) 1

22:00

Washington Dulles (IAD)

Operates only on 2026-10-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 8:50, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP233

17:15

Lisbon (LIS) 1

21:00

Washington Dulles (IAD)

Valid until 2026-02-06

Mon
-

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun
-

Duration: 8:45, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP233

17:15

Lisbon (LIS) 1

21:00

Washington Dulles (IAD)

Effective 2026-02-13 through 2026-02-18

Mon
-

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun
-

Duration: 8:45, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP233

17:15

Lisbon (LIS) 1

21:00

Washington Dulles (IAD)

Effective 2026-02-25 through 2026-03-06

Mon
-

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun
-

Duration: 8:45, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP233

17:15

Lisbon (LIS) 1

22:00

Washington Dulles (IAD)

Effective 2026-03-11 through 2026-03-27

Mon
-

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun
-

Duration: 8:45, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP233

17:15

Lisbon (LIS) 1

20:35

Washington Dulles (IAD)

Effective 2026-03-29 through 2026-05-04

Mon

Tue
-

Wed

Thu

Fri

Sat
-

Sun

Duration: 8:20, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP233

17:15

Lisbon (LIS) 1

20:35

Washington Dulles (IAD)

Effective 2026-05-05 through 2026-10-23

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 8:20, non-stop
Airbus A321neo (32Q)

Direct Flights:

TAP Air Portugal TP233

17:15

Lisbon (LIS) 1

22:00

Washington Dulles (IAD)

Effective from 2026-10-28

Mon
-

Tue
-

Wed

Thu
-

Fri

Sat
-

Sun
-

Duration: 8:45, non-stop
Airbus A321neo (32Q)

An international route departing from Lisbon airport, Portugal (LIS) and arriving at Washington Dulles airport, United States (IAD).
The flight distance is 3580 miles, or 5761 km.
The timezone of the departure airport is UTC+0 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 8:20 and 8:50.

All LIS-IAD flights

All TAP Air Portugal flights

Return (IAD-LIS) flights

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