Boston to London Flights on Aer Lingus from $495.37*

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Book Boston to London flight deals*

* 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 Boston to London flight deals*

Book Boston to London flight deals*
From
To
Fare Type
Dates
Price
Boston (BOS)London (LHR)Roundtrip*
/
Economy		25 Aug 2026 - 31 Aug 2026

From

$511.81

Seen: 28 minutes ago

Boston (BOS)London (LON)Roundtrip*
/
Economy		8 Aug 2026 - 19 Aug 2026

From

$513.19

Seen: 23 hrs ago

*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
Boston (BOS)London (LHR)Roundtrip*
/
Economy		7 Mar 2026 - 14 Mar 2026

From

$495.37

Seen: 14 minutes ago

Boston (BOS)London (LON)Roundtrip*
/
Economy		2 Mar 2026 - 13 Mar 2026

From

$496.61

Seen: 9 hrs ago

Explore other routes

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Dublin (DUB)to

New York (JFK)
9 Feb 2026 - 28 Feb 2026
From
€174.53
Seen: 2 hrs ago
Each way
Economy

Dublin (DUB)to

Malaga (AGP)
Depart: 22 Feb 2026
From
€52.25
Seen: 3 hrs ago
One way
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Dublin (DUB)to

Orlando (MCO)
10 Feb 2026 - 24 Feb 2026
From
€214.53
Seen: 3 hrs ago
Each way
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Dublin (DUB)to

Cancun (CUN)
Depart: 8 Apr 2026
From
€502.61
Seen: 1 hour ago
One way
Economy

Boston (BOS)to

Dublin (DUB)
16 Mar 2026 - 26 Mar 2026
From
$410.55
Seen: 5 hrs ago
Roundtrip*
Economy

Cleveland (CLE)to

Dublin (DUB)
16 Mar 2026 - 25 Mar 2026
From
$510.55
Seen: 22 hrs ago
Roundtrip*
Economy

Dublin (DUB)to

Paris (CDG)
Depart: 2 Mar 2026
From
€47.25
Seen: 3 hrs ago
One way
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Dublin (DUB)to

Lanzarote (ACE)
Depart: 10 Feb 2026
From
€72.25
Seen: 2 hrs ago
One way
Economy

Dublin (DUB)to

Amsterdam (AMS)
Depart: 10 Feb 2026
From
€39.25
Seen: 1 hour ago
One way
Economy

Los Angeles (LAX)to

Dublin (DUB)
18 Mar 2026 - 25 Mar 2026
From
$640.55
Seen: 19 hrs ago
Roundtrip*
Economy

Dublin (DUB)to

Faro (FAO)
Depart: 22 Feb 2026
From
€52.25
Seen: 3 hrs ago
One way
Economy

New York (JFK)to

Dublin (DUB)
25 Feb 2026 - 2 Mar 2026
From
$410.55
Seen: 9 hrs ago
Roundtrip*
Economy

Dublin (DUB)to

London (LHR)
Depart: 14 Feb 2026
From
€56.25
Seen: 3 hrs ago
One way
Economy

Chicago (ORD)to

Dublin (DUB)
18 Feb 2026 - 23 Feb 2026
From
$471.55
Seen: 9 hrs ago
Roundtrip*
Economy

Dublin (DUB)to

Rome (FCO)
Depart: 10 Mar 2026
From
€57.25
Seen: 4 hrs ago
One way
Economy

Dublin (DUB)to

Toronto (YYZ)
9 Feb 2026 - 19 Feb 2026
From
€195.74
Seen: 3 hrs ago
Each way
Economy

Paris (CDG)to

Dublin (DUB)
26 Feb 2026 - 2 Mar 2026
From
€49.45
Seen: 18 hrs ago
Each way
Economy

Dublin (DUB)to

Barcelona (BCN)
Depart: 2 Mar 2026
From
€47.25
Seen: 5 hrs ago
One way
Economy

Dublin (DUB)to

Tenerife (TFS)
Depart: 25 Feb 2026
From
€72.25
Seen: 4 hrs ago
One way
Economy

Boston (BOS)to

Shannon (SNN)
21 Apr 2026 - 7 May 2026
From
$353.82
Seen: 12 hrs ago
Roundtrip*
Economy