Are these the guaranteed airline ticket prices?

No. AirHint displays the lowest fares we found in a recent search. Airlines change prices often; confirm the total on the booking site before you pay.

How current are these prices?

Results refresh when you open or revisit this page. Last snapshot: Oct 11, 2026.

Where do I complete my booking?

Use the price buttons to continue on our booking partner's site. AirHint surfaces fares; ticketing is completed with the airline or agency.

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

10 dates in November, from $ 329. Book in one tap, or check whether to buy now or wait.

One-way Return

Dates, airline, and price
Dates	Airline	Price
8 Nov	Porter Airlines (Canada) Ltd
9 Nov	Porter Airlines (Canada) Ltd
24 Nov	Icelandair

4 Nov	Porter Airlines (Canada) Ltd
20 Nov	Porter Airlines (Canada) Ltd
27 Nov	Royal Air Maroc
30 Nov	Icelandair
9 Nov	TAP Direct Flight
4 Nov	TAP Direct Flight
24 Nov	TAP Direct Flight

Cheapest deals for the full year

Deals for return flights from Washington to Lisbon in November.

Book a cheap hotel in Lisbon

Cheap car rent in Lisboa

Updated Oct 11, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

Find your flight now

Feel free to contact us with any feedback or request another flight research.

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

About these fares

Sign In

User Name