Cheapest one-way flights from Washington (IAD) to Lisbon (LIS), April

10 dates in April 2027, from $ 380. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
16 Apr 2027 Royal Air Maroc
28 Apr 2027 Royal Air Maroc
4 Apr 2027 Royal Air Maroc
18 Apr 2027 Royal Air Maroc
19 Apr 2027 Royal Air Maroc
25 Apr 2027 Royal Air Maroc
26 Apr 2027 Royal Air Maroc
30 Apr 2027 Royal Air Maroc
23 Apr 2027 Royal Air Maroc
27 Apr 2027 Aer Lingus
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Updated Oct 10, 2026.

About these fares

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