Lisbon to Boston Flights on Aer Lingus

Book Lisbon to Boston flight deals*

Try alternate month or interact with individual days below in order to find offers.
Jul 2025
No result for this month.
Aug 2025
From644.61€*
Seen: 14 hrs ago
Each way/Economy
Sep 2025
From271.95€*
Seen: 6 hrs ago
Each way/Economy
644.61€
Displaying fares for July-2025
  • 19

    Sa

    JUL

  • 20

    Su

  • 21

    Mo

  • 22

    Tu

  • 23

    We

  • 24

    Th

  • 25

    Fr

  • 26

    Sa

  • 27

    Su

  • 28

    Mo

  • 29

    Tu

  • 30

    We

  • 31

    Th

  • 01

    Fr

    AUG

  • 02

    Sa

  • 03

    Su

  • 04

    Mo

  • 05

    Tu

  • 06

    We

  • 07

    Th

  • 08

    Fr

  • 09

    Sa

  • 10

    Su

  • 11

    Mo

  • 12

    Tu

  • 13

    We

  • 14

    Th

  • 15

    Fr

  • 16

    Sa

  • 17

    Su

  • 18

    Mo

    • Range644.61€

    * Fares displayed include air transportation charges, taxes and fees. Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Fares are economy class and may include connections with our partner airlines. Modifying this information may result in a different fare. Additional baggage fees and charges for optional products and services may apply.

    Explore other routes