Cheap Flights from Chicago to London

Compare indicative cheapest fares from Chicago (ORD) to London (LHR) — currently from $291. Check airlines, flight times and the cheapest days to fly to plan your trip.

Search live Chicago → London fares

Fares from

$291

Fastest trip

9h 30m

Airlines

3+ carriers

Cheapest Chicago to London fares right now

TPTP 244Thu, 26 Nov

06:30

CHI

11h 50m
2 stops

18:20

LON

from $291
indicative fare
B6B6 112Wed, 18 Nov

00:30

CHI

9h 34m
1 stop

10:04

LON

from $296
indicative fare
FIFI 852Wed, 3 Feb

06:00

CHI

9h 30m
1 stop

15:30

LON

from $301
indicative fare
FIFI 852Wed, 11 Nov

06:00

CHI

9h 30m
1 stop

15:30

LON

from $304
indicative fare

Fares are indicative (updated periodically) and for reference only — check the airline for the exact live price and availability. ConfirmYatra is not an airline or travel agent.

Airlines flying Chicago to London

On the Chicago to London route you will typically find fares from TP, B6, FI. Comparing a few carriers is the surest way to catch the cheapest flights, since the lowest fare shifts between airlines by the day.

Tips for the cheapest Chicago–London fare

  • • Fly mid-week — Tuesday and Wednesday departures are usually cheapest.
  • • Our data shows lower fares around November — target that window if you can.
  • • Book a few weeks to two months ahead rather than last-minute.
  • • Set a price alert and compare non-stop vs one-stop options.

Chicago to London flights — FAQs

How much is a cheap flight from Chicago to London?

Indicative fares from Chicago to London start from around $291 one-way. Prices change with the season and how far ahead you book — the cheapest deals we have on record for Chicago (ORD) to London (LHR) currently sit near $291.

Which airlines fly from Chicago to London?

Carriers offering fares on the Chicago to London route include TP, B6, FI. Availability changes daily, so compare the live options below before you book.

How long is the flight from Chicago to London?

The quickest itineraries we see on Chicago to London take about 9h 30m. Times vary by airline and number of stops.

When is the cheapest time to fly from Chicago to London?

Our data currently shows the lowest Chicago–London fares around November. As a rule, mid-week departures (Tuesday and Wednesday) and booking a few weeks to a couple of months ahead give you the cheapest flights on this route. Set a price alert and stay flexible on dates to save the most.

Where can I book cheap flights from Chicago to London?

Compare the indicative cheapest fares below to plan your Chicago to London trip, then book directly on the airline's own website. Fares shown are indicative and for reference only.

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Written by Divyesh Gajjar, Founder of ConfirmYatra.