Southampton to Washington, D.C. Flights on Aer Lingus from £372.19*

Promo Code

Book Southampton to Washington, D.C. flight deals*

Jul 2026
From£372.19*
Seen: 19 hrs ago
Each way/Economy
Aug 2026
No result for this month.
Sep 2026
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label £372.19
Displaying fares for June-2026
  • 01

    We

    JUL

  • 02

    Th

  • 03

    Fr

  • 04

    Sa

  • 05

    Su

  • 06

    Mo

  • 07

    Tu

  • 08

    We

  • 09

    Th

  • 10

    Fr

  • 11

    Sa

  • 12

    Su

  • 13

    Mo

  • 14

    Tu

  • 15

    We

  • 16

    Th

  • 17

    Fr

  • 18

    Sa

  • 19

    Su

  • 20

    Mo

  • 21

    Tu

  • 22

    We

  • 23

    Th

  • 24

    Fr

  • 25

    Sa

  • 26

    Su

  • 27

    Mo

  • 28

    Tu

  • 29

    We

  • 30

    Th

  • 31

    Fr

    • Range£372.19

    * 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.

    Aer Lingus Plane Image

    Book Southampton to Washington, D.C. 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
    Southampton (SOU)Washington, D.C. (IAD)Each way
    /
    Economy    		15 Jul 2026 - 29 Jul 2026

    From

    £372.19

    Seen: 19 hrs ago

    Explore other routes

    QA FE Test Travel Dates Filter Feature Prepro

    Dublin (DUB)to

    New York (JFK)
    7 Oct 2026 - 13 Oct 2026
    From
    €220.34
    Seen: 8 hrs ago
    Each way
    Economy

    Dublin (DUB)to

    Malaga (AGP)
    Depart: 22 Jul 2026
    From
    €76.10
    Seen: 5 hrs ago
    One way
    Economy

    Dublin (DUB)to

    Orlando (MCO)
    9 Jun 2026 - 20 Jun 2026
    From
    €252.34
    Seen: 8 hrs ago
    Each way
    Economy

    Dublin (DUB)to

    Paris (CDG)
    Depart: 15 Jul 2026
    From
    €61.65
    Seen: 3 hrs ago
    One way
    Economy

    Dublin (DUB)to

    Lanzarote (ACE)
    Depart: 1 Dec 2026
    From
    €115.25
    Seen: 6 hrs ago
    One way
    Economy

    Dublin (DUB)to

    Faro (FAO)
    Depart: 29 Aug 2026
    From
    €75.13
    Seen: 3 hrs ago
    One way
    Economy

    Dublin (DUB)to

    London (LHR)
    Depart: 18 Aug 2026
    From
    €59.25
    Seen: 1 hour ago
    One way
    Economy

    Boston (BOS)to

    Dublin (DUB)
    16 Oct 2026 - 27 Oct 2026
    From
    $520.64
    Seen: 14 hrs ago
    Roundtrip*
    Economy

    Dublin (DUB)to

    Amsterdam (AMS)
    Depart: 5 Nov 2026
    From
    €41.03
    Seen: 34 minutes ago
    One way
    Economy

    Dublin (DUB)to

    Boston (BOS)
    25 Jun 2026 - 30 Jun 2026
    From
    €220.34
    Seen: 8 hrs ago
    Each way
    Economy

    London (LHR)to

    Dublin (DUB)
    24 Jul 2026 - 28 Jul 2026
    From
    £63.01
    Seen: 2 hrs ago
    Each way
    Economy

    Dublin (DUB)to

    Rome (FCO)
    Depart: 9 Jul 2026
    From
    €69.06
    Seen: 8 hrs ago
    One way
    Economy

    San Francisco (SFO)to

    Dublin (DUB)
    25 Oct 2026 - 18 Nov 2026
    From
    $859.84
    Seen: 17 hrs ago
    Roundtrip*
    Economy

    Dublin (DUB)to

    Lisbon (LIS)
    Depart: 9 Aug 2026
    From
    €63.97
    Seen: 6 hrs ago
    One way
    Economy

    Dublin (DUB)to

    Barcelona (BCN)
    Depart: 22 Aug 2026
    From
    €61.74
    Seen: 3 hrs ago
    One way
    Economy

    New York (JFK)to

    Dublin (DUB)
    4 Sep 2026 - 12 Sep 2026
    From
    $603.86
    Seen: 8 hrs ago
    Roundtrip*
    Economy

    Pittsburgh (PIT)to

    Dublin (DUB)
    10 Nov 2026 - 17 Nov 2026
    From
    $729.84
    Seen: 8 hrs ago
    Roundtrip*
    Economy

    Dublin (DUB)to

    Tenerife (TFS)
    Depart: 18 Aug 2026
    From
    €106.25
    Seen: 5 hrs ago
    One way
    Economy

    Los Angeles (LAX)to

    Dublin (DUB)
    28 Oct 2026 - 4 Nov 2026
    From
    $859.84
    Seen: 18 hrs ago
    Roundtrip*
    Economy

    Dublin (DUB)to

    Venice (VCE)
    Depart: 20 Oct 2026
    From
    €69.25
    Seen: 16 hrs ago
    One way
    Economy