Cheap Flights from Chicago, IL to London from $148

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On Cheapflightsplus.com you will find 28 direct and 895 connecting flights from Chicago to London. You can compare airfare deals from 24 airlines and multiple travel sites from $148, book and save on cheap plane tickets and last minute offers. Also check out CHI-LON flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Chicago to London Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $148 (one-way), $254 (round-trip).

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Best Flights from Chicago to London Today

Take a look at the list of non stop flights and flights with layovers from Chicago to London with the lowest price of $148. The fastest direct flight takes 7h 35m and the fastest connecting – 9h 47m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $297 Find flight	19:10 Chicago O'Hare International	09:05+1 день London Heathrow	7h 55m	British Airways	BA298
from $313 Find flight	16:05 Chicago O'Hare International	06:20+1 день London Heathrow	8h 15m	United Airlines	UA929
from $327 Find flight	16:55 Chicago O'Hare International	06:50+1 день London Heathrow	7h 55m	Iberia	IB3633
from $332 Find flight	16:55 Chicago O'Hare International	06:50+1 день London Heathrow	7h 55m	Finnair	AY5534
from $346 Find flight	21:15 Chicago O'Hare International	10:55+1 день London Heathrow	7h 40m	Finnair	AY5536
from $351 Find flight	22:35 Chicago O'Hare International	12:15+1 день London Heathrow	7h 40m	Iberia	IB4860
from $375 Find flight	16:05 Chicago O'Hare International	06:20+1 день London Heathrow	8h 15m	Lufthansa	LH9357
from $390 Find flight	16:05 Chicago O'Hare International	06:20+1 день London Heathrow	8h 15m	Austrian Airlines	OS7850
from $396 Find flight	17:45 Chicago O'Hare International	07:20+1 день London Heathrow	7h 35m	Alaska Airlines	AS6946
from $410 Find flight	21:25 Chicago O'Hare International	11:45+1 день London Heathrow	8h 20m	Lufthansa	LH9355
from $148 Find flight	17:10 Chicago O'Hare International	06:20+2 дня London Gatwick	31h 10m layover 21h 52m - New York	Spirit Airlines	NK328 Z0702
from $150 Find flight	19:25 Chicago O'Hare International	11:55+1 день London Heathrow	10h 30m layover 1h 0m - Reykjavik	Icelandair	FI852 FI450
from $151 Find flight	20:12 Chicago O'Hare International	06:20+2 дня London Gatwick	28h 8m layover 18h 49m - New York	Spirit Airlines	NK919 Z0702
from $180 Find flight	22:15 Chicago O'Hare International	10:50+2 дня London Heathrow	30h 35m layover 22h 15m - Reykjavik	Icelandair	FI856 FI450
from $183 Find flight	15:36 Chicago O'Hare International	06:20+2 дня London Gatwick	32h 44m layover 3h 45m - Nashville 18h 21m - New York	Spirit Airlines	NK1184 NK1419 Z0702
from $187 Find flight	14:15 Chicago O'Hare International	10:00+2 дня London Gatwick	37h 45m layover 1h 6m - Phoenix 19h 34m - Orlando	Frontier Airlines	F91829 F91086 Z0784

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on June 23, 2025

Flight Schedule Chicago (Illinois) to London

Full flight schedule will help you in detecting at what time planes fly from Chicago to London. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.

Departure	Flight Details	Flight Duration	Price
16:05 — 06:20 +1 day	16:05 — 06:20 UA929 United Airlines Chicago — London	8h 15m	Find flight from$313
16:05 — 06:20 +1 day	16:05 — 06:20 LH9357 Lufthansa Chicago — London	8h 15m	Find flight from$375
16:05 — 06:20 +1 day	16:05 — 06:20 OS7850 Austrian Airlines Chicago — London	8h 15m	Find flight from$390
16:55 — 06:50 +1 day	16:55 — 06:50 BA294 British Airways Chicago — London	7h 55m	Find flight from$315
16:55 — 06:50 +1 day	16:55 — 06:50 IB3633 Iberia Chicago — London	7h 55m	Find flight from$327
16:55 — 06:50 +1 day	16:55 — 06:50 AY5534 Finnair Chicago — London	7h 55m	Find flight from$332
17:45 — 07:20 +1 day	17:45 — 07:20 BA1543 British Airways Chicago — London	7h 35m	Find flight from$315
17:45 — 07:20 +1 day	17:45 — 07:20 IB4208 Iberia Chicago — London	7h 35m	Find flight from$363
17:45 — 07:20 +1 day	17:45 — 07:20 AS6946 Alaska Airlines Chicago — London	7h 35m	Find flight from$396
18:05 — 08:20 +1 day	18:05 — 08:20 UA920 United Airlines Chicago — London	8h 15m	Find flight from$313
18:05 — 08:20 +1 day	18:05 — 08:20 LH9349 Lufthansa Chicago — London	8h 15m	Find flight from$375
18:05 — 08:20 +1 day	18:05 — 08:20 OS7852 Austrian Airlines Chicago — London	8h 15m	Find flight from$390
19:10 — 09:05 +1 day	19:10 — 09:05 BA298 British Airways Chicago — London	7h 55m	Find flight from$297
20:15 — 10:20 +1 day	20:15 — 10:20 AY5788 Finnair Chicago — London	8h 5m	Find flight from$370
20:35 — 10:30 +1 day	20:35 — 10:30 IB4188 Iberia Chicago — London	7h 55m	Find flight from$351
20:40 — 10:30 +1 day	20:40 — 10:30 BA1518 British Airways Chicago — London	7h 50m	Find flight from$325
21:15 — 10:55 +1 day	21:15 — 10:55 BA296 British Airways Chicago — London	7h 40m	Find flight from$306
21:15 — 10:55 +1 day	21:15 — 10:55 IB3635 Iberia Chicago — London	7h 40m	Find flight from$341
21:15 — 10:55 +1 day	21:15 — 10:55 AY5536 Finnair Chicago — London	7h 40m	Find flight from$346
21:25 — 11:45 +1 day	21:25 — 11:45 UA938 United Airlines Chicago — London	8h 20m	Find flight from$315
21:25 — 11:45 +1 day	21:25 — 11:45 LH9355 Lufthansa Chicago — London	8h 20m	Find flight from$410
21:25 — 11:45 +1 day	21:25 — 11:45 OS7854 Austrian Airlines Chicago — London	8h 20m	Find flight from$424
22:30 — 12:15 +1 day	22:30 — 12:15 AY5748 Finnair Chicago — London	7h 45m	Find flight from$370
22:35 — 12:15 +1 day	22:35 — 12:15 BA1601 British Airways Chicago — London	7h 40m	Find flight from$315
22:35 — 12:15 +1 day	22:35 — 12:15 IB4860 Iberia Chicago — London	7h 40m	Find flight from$351
05:51 — 06:20 +1 day	05:51 — 09:00 NK1176 Spirit Airlines Chicago — New York 9h 20m stop 18:20 — 06:20 Z0702 Z0 New York — London	18h 29m including layover	Find flight from$161
05:51 — 06:20 +1 day	05:51 — 09:00 NK2175 Spirit Airlines Chicago — New York 9h 20m stop 18:20 — 06:20 Z0702 Z0 New York — London	18h 29m including layover	Find flight from$194
06:40 — 10:55 +1 day	06:40 — 09:08 NK1104 Spirit Airlines Chicago — Los Angeles 7h 22m stop 16:30 — 10:55 Z0712 Z0 Los Angeles — London	22h 15m including layover	Find flight from$200
07:15 — 10:00 +1 day	07:15 — 11:03 NK3200 Spirit Airlines Chicago — Orlando 9h 27m stop 20:30 — 10:00 Z0784 Z0 Orlando — London	20h 45m including layover	Find flight from$197
08:09 — 06:55 +1 day	08:09 — 12:23 NK1101 Spirit Airlines Chicago — Miami 4h 52m stop 17:15 — 06:55 Z0724 Z0 Miami — London	16h 46m including layover	Find flight from$182
08:50 — 06:20 +1 day	08:50 — 12:02 NK1182 Spirit Airlines Chicago — New York 6h 18m stop 18:20 — 06:20 Z0702 Z0 New York — London	15h 30m including layover	Find flight from$203
09:58 — 10:00 +1 day	09:58 — 13:42 F92792 Frontier Airlines Chicago — Orlando 6h 48m stop 20:30 — 10:00 Z0784 Z0 Orlando — London	18h 2m including layover	Find flight from$197
13:03 — 10:00 +1 day	13:03 — 16:51 NK1108 Spirit Airlines Chicago — Orlando 3h 39m stop 20:30 — 10:00 Z0784 Z0 Orlando — London	14h 57m including layover	Find flight from$197
17:10 — 06:20 +2 days	17:10 — 20:28 NK328 Spirit Airlines Chicago — New York 21h 52m stop 18:20 — 06:20 Z0702 Z0 New York — London	31h 10m including layover	Find flight from$148
18:15 — 09:45 +2 days	18:00 — 07:55 TP244 TAP Portugal Chicago — Lisbon 22h 40m stop 07:05 — 09:45 TP1334 TAP Portugal Lisbon — London	33h 30m including layover	Find flight from$190
19:25 — 11:55 +1 day	19:25 — 06:40 FI852 Icelandair Chicago — Reykjavik 1h stop 07:40 — 11:55 FI450 Icelandair Reykjavik — London	10h 30m including layover	Find flight from$150
19:39 — 10:00 +2 days	19:39 — 23:32 NK507 Spirit Airlines Chicago — Orlando 20h 58m stop 20:30 — 10:00 Z0784 Z0 Orlando — London	32h 21m including layover	Find flight from$151
20:12 — 06:20 +2 days	20:12 — 23:31 NK919 Spirit Airlines Chicago — New York 18h 49m stop 18:20 — 06:20 Z0702 Z0 New York — London	28h 8m including layover	Find flight from$151
21:12 — 10:00 +2 days	21:12 — 00:57 F93854 Frontier Airlines Chicago — Orlando 19h 27m stop 20:30 — 10:00 Z0784 Z0 Orlando — London	30h 48m including layover	Find flight from$206
22:15 — 20:20 +1 day	22:15 — 09:20 FI856 Icelandair Chicago — Reykjavik 6h 50m stop 16:10 — 20:20 FI454 Icelandair Reykjavik — London	16h 5m including layover	Find flight from$156
22:15 — 10:50 +2 days	22:15 — 09:20 FI856 Icelandair Chicago — Reykjavik 22h 15m stop 07:40 — 11:55 FI450 Icelandair Reykjavik — London	30h 35m including layover	Find flight from$180
06:30 — 10:00 +2 days	06:30 — 09:20 F93135 Frontier Airlines Chicago — Houston 11h 36m stop 20:56 — 00:42 F94978 Frontier Airlines Houston — Orlando 19h 48m stop 20:30 — 10:00 Z0784 Z0 Orlando — London	45h 30m including layover	Find flight from$192
14:15 — 10:00 +2 days	14:15 — 16:21 F91829 Frontier Airlines Chicago — Phoenix 1h 6m stop 17:27 — 00:56 F91086 Frontier Airlines Phoenix — Orlando 19h 34m stop 20:30 — 10:00 Z0784 Z0 Orlando — London	37h 45m including layover	Find flight from$187
14:44 — 06:55 +2 days	14:44 — 16:33 F92209 Frontier Airlines Chicago — Denver 8h 1m stop 00:35 — 06:30 F93138 Frontier Airlines Denver — Miami 10h 45m stop 17:15 — 06:55 Z0724 Z0 Miami — London	34h 11m including layover	Find flight from$205
15:29 — 06:20 +2 days	15:29 — 19:39 NK867 Spirit Airlines Chicago — Miami 36m stop 20:15 — 23:20 NK179 Spirit Airlines Miami — New York 19h stop 18:20 — 06:20 Z0702 Z0 New York — London	32h 51m including layover	Find flight from$201
15:36 — 06:20 +2 days	15:36 — 17:05 NK1184 Spirit Airlines Chicago — Nashville 3h 45m stop 20:50 — 23:59 NK1419 Spirit Airlines Nashville — New York 18h 21m stop 18:20 — 06:20 Z0702 Z0 New York — London	32h 44m including layover	Find flight from$183
18:06 — 10:00 +3 days	18:06 — 21:34 F93142 Frontier Airlines Chicago — Charlotte 23h 43m stop 21:17 — 23:11 F92451 Frontier Airlines Charlotte — Orlando 21h 19m stop 20:30 — 10:00 Z0784 Z0 Orlando — London	57h 54m including layover	Find flight from$192
21:56 — 10:00 +3 days	21:50 — 00:12 F92145 Frontier Airlines Chicago — Las Vegas 15h 29m stop 15:25 — 23:16 F91728 Frontier Airlines Las Vegas — Orlando 20h 50m stop 20:30 — 10:00 Z0784 Z0 Orlando — London	54h 4m including layover	Find flight from$192

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on June 23, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Chicago to London depends on and how to choose the most interesting flight option for you.

Distance between Chicago and London is 6353 miles. Time difference between the cities is 6h. Airplanes depart 05:01 to 23:45 from 7 Chicago airports and arrive 05:01 to 23:45 to 10 London airports. Average flight time is 7h 55m.

The fastest flight 7h 35m
Average flight time 7h 55m
The earliest flight 05:01
The latest flight 23:45
Distance 3948 ml

The cheapest months to travel to London are october (from 198 $), september (from 200 $), july (from 208 $).

The most expensive months are february (from 307 $), june (from 297 $), january (from 247 $).

What is the lowest airfare Chicago to London?

The cheapest plane ticket found by our users is $148. This airfare is for economy class on one-way NK328 flight by Spirit Airlines for October 7, 2025 which leaves O'Hare International in Chicago at 17:10 am and arrives at London Gatwick at 06:20.

Economy class

$148

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Business class

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First class

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Popular Airlines on the Route

The flight Chicago — London is served by 24 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by United Airlines - 49 departures per week at the price of from $ 312 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 1500.

Direct flights

There are 28 nonstop flights on the route. The fastest direct flight is BA1543 by British Airways takes 7h 35m and the cheapest is NK328 by Spirit Airlines for $297.

UA - United Airlines

from $313

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AS - Alaska Airlines

from $396

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OS - Austrian Airlines

from $390

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AY - Finnair

from $332

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IB - Iberia

from $327

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SN - Brussels Airlines

from $692

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LH - Lufthansa

from $375

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BA - British Airways

from $297

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See more direct flights

Connecting Flights

There are 895 flights with layovers on the route. The fastest connecting flight is VS1664 by Virgin Atlantic Airways takes 9h 47m and the cheapest is NK328 by Spirit Airlines for $148.

UA - United Airlines

from $312

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KL - KLM

from $366

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AC - Air Canada

from $255

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FI - Icelandair

from $150

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OS - Austrian Airlines

from $344

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AF - Air France

from $366

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SY - Sun Country Airlines

from $234

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JU - Air Serbia

from $303

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LX - SWISS International Air Lines

from $303

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AS - Alaska Airlines

from $270

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F9 - Frontier Airlines

from $187

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PD - Porter Airlines

from $237

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See more connecting flights

Airports

You can fly from Chicago to London from 7 airports (O'Hare International, Midway, Dupage County, Chicago FSS, Merrill C Meigs (closed), Pal-Waukee, Chicago NAS).

Chicago airports

O'Hare International-ORD

from $148
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Midway-MDW

from $205
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Dupage County-DPA

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Chicago FSS-CHI

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Merrill C Meigs (closed)-CGX

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Pal-Waukee-PWK

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Chicago NAS-NOH

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London airports

London City-LCY

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London-Waterloo-QQW

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Heathrow-LHR

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Luton-LTN

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British Rail Terminal-ZLX

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London Biggin Hill-BQH

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Stansted-STN

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Gatwick-LGW

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Ebbsfleet International Rail St-XQE

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Stratford International Rail St-XOF

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Airplanes

There are flights to London from Chicago by 24 airlines that use 3 aircraft brands. They range from huge modern airplanes to small-sized.

Airbus A380-800

from $306

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Airbus A340-600

from $306

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Airbus A340-300

from $307

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Top Domestic Destinations from Chicago

You may also consider searching for discounted plane tickets to some other popular places from Chicago within United States.

Chicago — Las Vegas

from $508

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Chicago — New York

from $74

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Chicago — Atlanta

from $76

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Chicago — Orlando

from $62

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Chicago — Miami

from $66

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Chicago — Dallas

from $70

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Chicago — Houston

from $66

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Chicago — Boston

from $61

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Chicago — Phoenix

from $65

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Chicago — Denver

from $61

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Top International Destinations from Chicago

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Chicago — London

from $60

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Chicago — Cancun

from $72

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Chicago — Toronto

from $73

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Chicago — Paris

from $61

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Chicago — Rome

from $79

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Chicago — Hyderabad

from $73

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Chicago — Mexico City

from $76

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Chicago — Tokyo

from $60

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Chicago — Dublin

from $59

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Chicago — Mumbai

from $74

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How to book a plane ticket yourself?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
To find a plane ticket, please select dates.