San Francisco to London Flights on Aer Lingus from $627.20*

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Book San Francisco 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 San Francisco to London flight deals*

Book San Francisco to London flight deals*
From
To
Fare Type
Dates
Price
San Francisco (SFO)London (LHR)Roundtrip*
/
Economy		20 Nov 2026 - 29 Nov 2026

From

$811.36

Seen: 3 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
San Francisco (SFO)London (LON)Roundtrip*
/
Economy		28 Jun 2026 - 17 Jul 2026

From

$1,180.74

Seen: 22 hrs ago

San Francisco (SFO)London (LHR)Roundtrip*
/
Economy		28 Apr 2026 - 5 May 2026

From

$627.20

Seen: 3 hrs ago

Explore other routes

QA FE Test Travel Dates Filter Feature Prepro

Dublin (DUB)to

New York (JFK)
3 Mar 2026 - 21 Mar 2026
From
€184.31
Seen: 1 hour ago
Each way
Economy

Dublin (DUB)to

Malaga (AGP)
Depart: 21 Feb 2026
From
€51.00
Seen: 26 minutes ago
One way
Economy

Dublin (DUB)to

Paris (CDG)
Depart: 24 Feb 2026
From
€46.00
Seen: 2 hrs ago
One way
Economy

Dublin (DUB)to

Orlando (MCO)
5 Mar 2026 - 9 Mar 2026
From
€214.31
Seen: 2 hrs ago
Each way
Economy

Dublin (DUB)to

Lanzarote (ACE)
Depart: 25 Feb 2026
From
€71.00
Seen: 5 hrs ago
One way
Economy

Dublin (DUB)to

London (LHR)
Depart: 21 Mar 2026
From
€55.00
Seen: 1 hour ago
One way
Economy

Dublin (DUB)to

Faro (FAO)
Depart: 17 Mar 2026
From
€51.00
Seen: 3 hrs ago
One way
Economy

Dublin (DUB)to

Amsterdam (AMS)
Depart: 4 Mar 2026
From
€38.00
Seen: 23 minutes ago
One way
Economy

Boston (BOS)to

Dublin (DUB)
1 Mar 2026 - 6 Mar 2026
From
$408.75
Seen: 6 hrs ago
Roundtrip*
Economy

Chicago (ORD)to

Dublin (DUB)
8 Mar 2026 - 16 Mar 2026
From
$469.75
Seen: 4 hrs ago
Roundtrip*
Economy

Dublin (DUB)to

Rome (FCO)
Depart: 15 Apr 2026
From
€52.25
Seen: 4 minutes ago
One way
Economy

Dublin (DUB)to

Boston (BOS)
5 Mar 2026 - 8 Mar 2026
From
€174.31
Seen: 3 hrs ago
Each way
Economy

Dublin (DUB)to

Barcelona (BCN)
Depart: 24 Feb 2026
From
€46.00
Seen: 50 minutes ago
One way
Economy

Dublin (DUB)to

Cancun (CUN)
Depart: 26 Apr 2026
From
€503.22
Seen: 11 hrs ago
One way
Economy

Dublin (DUB)to

Tenerife (TFS)
Depart: 2 Mar 2026
From
€71.00
Seen: 3 hrs ago
One way
Economy

New York (JFK)to

Dublin (DUB)
4 Mar 2026 - 8 Mar 2026
From
$408.75
Seen: 2 hrs ago
Roundtrip*
Economy

Dublin (DUB)to

Toronto (YYZ)
26 Feb 2026 - 3 Mar 2026
From
€195.19
Seen: 4 hrs ago
Each way
Economy

Cork (ORK)to

Malaga (AGP)
Depart: 13 Apr 2026
From
€50.37
Seen: 12 hrs ago
One way
Economy

Boston (BOS)to

Shannon (SNN)
5 May 2026 - 12 May 2026
From
$353.47
Seen: 7 hrs ago
Roundtrip*
Economy

Dublin (DUB)to

Las Vegas (LAS)
17 Feb 2026 - 26 Feb 2026
From
€214.31
Seen: 3 hrs ago
Each way
Economy