Chicago to London Flights on Aer Lingus from $646.11*

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Book Chicago to London flight deals*

$646.11
$2.4K
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Range$646.11-$2,436.55
Aer Lingus Plane Image

Flights from Chicago to London

Aer Lingus offers flights to London with a fast connection from Chicago.

Why fly to London with Aer Lingus?

Book your flight to London with Aer Lingus and enjoy a warm Irish welcome onboard with complimentary meal and beverage service as well as a wide range of blockbuster movies, classic films, TV programmes and box sets or music videos at your leisure. Play games or stay connected with Wi-Fi and our mobile network inflight.

Things to do and places to see in London

The capital of Great Britain needs no introduction. A modern and vibrant city is waiting for you to show what it's got. There are plenty of things to do in London no doubt. Experience panoramic city views from the top of the London Eye or the viewing point at The Shard. Walk around the Shaftesbury Memorial Fountain at Piccadilly Circus or visit Tower Bridge.

Then, spend an afternoon in Hyde Park horseback riding or strolling around the Rose Garden. See relics from two of the ancient world's seven wonders at the British Museum - the Mausoleum of Halicarnassus and the Temple of Artemis at Ephesus where you can also view Imperial jades, Aztec art and the Classical Greek era Parthenon Marbles.

If you are looking for more excitement, take a boat ride to Greenwich. Catch the boat just outside Westminster bridge and sail down the Themes right to the small town of Greenwich where time started! Enjoy a walk in the park, take a look around the famous Cutty Sark merchant ship. During your visit to London, you can travel by tube or bus throughout the day getting from place to place as you wish.

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Book Chicago to London flight deals*

Book Chicago to London flight deals*
From
To
Fare Type
Dates
Price
Chicago (ORD)London (LHR)Roundtrip*
/
Economy
Nov 30 2025 - Dec 8 2025

From

$692.79

Seen: 21 hrs ago

Chicago (ORD)London (LHR)Roundtrip*
/
Economy
Mar 1 2026 - Mar 8 2026

From

$777.29

Seen: 21 hrs ago

Chicago (ORD)London (LHR)Roundtrip*
/
Economy
Dec 23 2025 - Jan 5 2026

From

$1,452.19

Seen: 20 hrs ago

Chicago (ORD)London (LHR)Roundtrip*
/
Economy
Nov 3 2025 - Nov 9 2025

From

$1,907.27

Seen: 14 hrs ago

* 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.