
$498 Cheap United flights Chicago (ORD) to London (LHR)
Prices were available within the past 7 days and start at $498 for one-way flights and $622 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Mar 3 - Tue, Mar 24
ORD
Chicago
LHR
London
$622 Roundtrip, found 1 day ago
$622
Roundtrip
found 1 day ago

Tue, Feb 10 - Tue, Feb 17
ORD
Chicago
LHR
London
$626 Roundtrip, found 3 days ago
$626
Roundtrip
found 3 days ago

Tue, Feb 10 - Tue, Feb 17
ORD
Chicago
LHR
London
$628 Roundtrip, found 3 days ago
$628
Roundtrip
found 3 days ago

Tue, Mar 3 - Tue, Mar 24
ORD
Chicago
LHR
London
$629 Roundtrip, found 1 day ago
$629
Roundtrip
found 1 day ago

Tue, Feb 10 - Tue, Feb 17
ORD
Chicago
LHR
London
$633 Roundtrip, found 3 days ago
$633
Roundtrip
found 3 days ago

Tue, Mar 3 - Tue, Mar 24
ORD
Chicago
LHR
London
$643 Roundtrip, found 1 day ago
$643
Roundtrip
found 1 day ago

Tue, Feb 10 - Tue, Feb 17
ORD
Chicago
LHR
London
$653 Roundtrip, found 3 days ago
$653
Roundtrip
found 3 days ago

Tue, Mar 3 - Tue, Mar 24
ORD
Chicago
LHR
London
$654 Roundtrip, found 1 day ago
$654
Roundtrip
found 1 day ago

Tue, Mar 3 - Tue, Mar 24
ORD
Chicago
LHR
London
$655 Roundtrip, found 1 day ago
$655
Roundtrip
found 1 day ago

Tue, Mar 3 - Fri, Mar 27
ORD
Chicago
LHR
London
$657 Roundtrip, found 1 day ago
$657
Roundtrip
found 1 day ago

Tue, Mar 3 - Tue, Mar 24
ORD
Chicago
LHR
London
$659 Roundtrip, found 1 day ago
$659
Roundtrip
found 1 day ago
Find the cheapest month to fly from Chicago (ORD) to London (LHR)
November is typically the cheapest month to fly
From $449 - $717 per traveler.
Alternative airports near London
Prices were available within the past 7 days. Prices and availability are subject to change.
Travel information
Origin airport | O'Hare Intl. |
|---|---|
Destination airport | Heathrow |
Airlines serving | Aer Lingus, Air Canada, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, Swiss International Air Lines, Turkish Airlines, United, Virgin Atlantic |
Popular airline | Icelandair |
Distance | 6307 km |
Average flight time | 13 hours 55 mins |
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Most Popular United Routes from Chicago
Most Popular United Routes from London
- Atlanta to Oslo (ATL - OSL)
- Chicago to Bangkok (ORD - BKK)
- Chicago to Bangkok (ORD - BKK)
- Honolulu to Sydney (HNL - SYD)
- Frankfurt to Atlanta (FRA - ATL)
- Las Vegas to Manila (LAS - MNL)
- Grand Rapids to Houston (GRR - IAH)
- Chicago to Amsterdam (ORD - AMS)
- Duluth to Nassau (DLH - NAS)
- Las Vegas to Manila (LAS - MNL)
Popular Domestic Routes in Heathrow
- Sacramento to Syracuse (SMF - SYR)
- Akron to Jacksonville (CAK - JAX)
- Los Angeles to Newark Liberty Intl. Airport (LAX - EWR)
- Chicago to Amsterdam (ORD - AMS)
- Grand Rapids to Houston (GRR - IAH)
- Atlanta to Oslo (ATL - OSL)
- Seattle to Tucson (SEA - TUS)
- Duluth to Nassau (DLH - NAS)
- Montrose to Denver (MTJ - DEN)
- Raleigh to Palm Springs (RDU - PSP)