Indianapolis to London Flights on Aer Lingus from $698.40*

Promo Code

Book Indianapolis to London flight deals*

Houses of Parliament at dusk from Westminster Bridge in London, UK
Email Sign Up
Aer Lingus Newsletter
Sign Up and Save

✔ Be first to receive current offers

✔ Learn about new and exciting destinations

✔ Get the latest travel news and more

Book Indianapolis to London flight deals*

$
Book Indianapolis to London flight deals*
From
To
Fare Type
Dates
Price
Indianapolis (IND)London (LHR)Roundtrip*
/
Economy
Apr 22 2026 - Apr 29 2026

From

$717.19

Seen: 9 hrs ago

Indianapolis (IND)London (LHR)Roundtrip*
/
Economy
Apr 23 2026 - Apr 30 2026

From

$767.19

Seen: 10 hrs ago

Indianapolis (IND)London (LHR)Roundtrip*
/
Economy
Apr 3 2026 - Apr 13 2026

From

$817.19

Seen: 5 hrs ago

Indianapolis (IND)London (LHR)Roundtrip*
/
Economy
May 25 2026 - Jun 8 2026

From

$1,063.19

Seen: 4 hrs ago

Indianapolis (IND)London (LHR)Roundtrip*
/
Economy
Jun 1 2026 - Jun 8 2026

From

$1,063.19

Seen: 4 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.