Lisbon to Boston Flights on Aer Lingus from €440.67*

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Book Lisbon to Boston flight deals*

May 2026
From€440.67*
Seen: 17 hrs ago
Each way/Economy
Jun 2026
No result for this month.
Jul 2026
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label €440.67
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    • Range€440.67

    * 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.

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    Book Lisbon to Boston flight deals*

    *Roundtrip Restrictions apply.
    Each way fare as part of a return trip including taxes and charges. One way fare including taxes and charges.

    Testing Each way

    Testing Each way
    From
    To
    Fare Type
    Dates
    Price
    Lisbon (LIS)Boston (BOS)Each way
    /
    Economy    		25 May 2026 - 30 May 2026

    From

    €440.67

    Seen: 17 hrs ago

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    29 Oct 2026 - 3 Nov 2026
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    New York (JFK)to

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    $570.98
    Seen: 55 minutes ago
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    12 Nov 2026 - 16 Nov 2026
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    Seen: 17 hrs ago
    Each way
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    London (LHR)to

    Dublin (DUB)
    12 Jun 2026 - 14 Jun 2026
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    £62.98
    Seen: 5 hrs ago
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    Dublin (DUB)to

    Toronto (YYZ)
    14 Nov 2026 - 18 Nov 2026
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    €221.13
    Seen: 6 hrs ago
    Each way
    Economy

    Dublin (DUB)to

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    Depart: 21 Oct 2026
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    Seen: 4 hrs ago
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    Roundtrip*
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    Depart: 24 Aug 2026
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    €106.25
    Seen: 2 hrs ago
    One way
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    Boston (BOS)to

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    7 Nov 2026 - 14 Nov 2026
    From
    $632.24
    Seen: 13 hrs ago
    Roundtrip*
    Economy

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    Depart: 4 Nov 2026
    From
    €77.25
    Seen: 20 hrs ago
    One way
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    Depart: 7 Jun 2026
    From
    €66.25
    Seen: 5 hrs ago
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    Economy