$403 Cheap Delta flights Chicago (ORD) to London (LHR)

View $403 flight on Sun, May 10, 2026Opens in a new window

$403 Cheap Delta flights Chicago (ORD) to London (LHR)

Prices were available within the past 7 days and start at $403 for one-way flights and $645 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Aug 3 - Wed, Aug 19
ORD
Chicago
LHR
London
$645 Roundtrip, found 3 days ago
$645
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Aug 3 from Chicago to London, returning Wed, Aug 19, priced at $645 found 3 days ago
Delta
Mon, Aug 3 - Thu, Aug 20
ORD
Chicago
LHR
London
$652 Roundtrip, found 3 days ago
$652
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Aug 3 from Chicago to London, returning Thu, Aug 20, priced at $652 found 3 days ago

Alternative airports near London

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gatwick LGW. Cheapest option available. Average driving time to city center is 52 minutes. Flights from $654
LGW
Gatwick
Cheapest
Average driving time to city center52 min
Flights from $654

Find the cheapest month to fly from Chicago (ORD) to London (LHR)

November is typically the cheapest month to fly

From $449 - $762 per traveler.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, Alaska Airlines, 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
United
Distance
6307 km
Average flight time
13 hours 55 mins

Explore a world of travel with Expedia