Cheap Flights from Chicago, IL to London from $146

Return flight: London – Chicago

On Cheapflightsplus.com you will find 30 direct and 953 connecting flights from Chicago to London. You can compare airfare deals from 25 airlines and multiple travel sites from $146, 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: $146 (one-way), $250 (round-trip).
Direct flights
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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 Arrival 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$309
16:05 — 06:20
+1 day
16:05 — 06:20 LH9357 Lufthansa
Chicago — London
8h 15m
Find flight
from$369
16:05 — 06:20
+1 day
16:05 — 06:20 OS7850 Austrian Airlines
Chicago — London
8h 15m
Find flight
from$384
16:55 — 06:50
+1 day
16:55 — 06:50 BA294 British Airways
Chicago — London
7h 55m
Find flight
from$309
16:55 — 06:50
+1 day
16:55 — 06:50 IB3633 Iberia
Chicago — London
7h 55m
Find flight
from$322
16:55 — 06:50
+1 day
16:55 — 06:50 AY5534 Finnair
Chicago — London
7h 55m
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from$327
17:45 — 07:20
+1 day
17:45 — 07:20 BA1543 British Airways
Chicago — London
7h 35m
Find flight
from$309
17:45 — 07:20
+1 day
17:45 — 07:20 IB4208 Iberia
Chicago — London
7h 35m
Find flight
from$357
17:45 — 07:20
+1 day
17:45 — 07:20 AS6946 Alaska Airlines
Chicago — London
7h 35m
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from$390
18:05 — 08:20
+1 day
18:05 — 08:20 UA920 United Airlines
Chicago — London
8h 15m
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from$309
18:05 — 08:20
+1 day
18:05 — 08:20 LH9349 Lufthansa
Chicago — London
8h 15m
Find flight
from$369
18:05 — 08:20
+1 day
18:05 — 08:20 OS7852 Austrian Airlines
Chicago — London
8h 15m
Find flight
from$384
19:10 — 09:05
+1 day
19:10 — 09:05 BA298 British Airways
Chicago — London
7h 55m
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from$293
20:15 — 10:20
+1 day
20:15 — 10:20 AY5788 Finnair
Chicago — London
8h 5m
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from$365
20:35 — 10:30
+1 day
20:35 — 10:30 IB4188 Iberia
Chicago — London
7h 55m
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from$345
20:40 — 10:30
+1 day
20:40 — 10:30 BA1518 British Airways
Chicago — London
7h 50m
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from$320
21:15 — 10:55
+1 day
21:15 — 10:55 BA296 British Airways
Chicago — London
7h 40m
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from$301
21:15 — 10:55
+1 day
21:15 — 10:55 IB3635 Iberia
Chicago — London
7h 40m
Find flight
from$336
21:15 — 10:55
+1 day
21:15 — 10:55 AY5536 Finnair
Chicago — London
7h 40m
Find flight
from$341
21:25 — 11:45
+1 day
21:25 — 11:45 UA938 United Airlines
Chicago — London
8h 20m
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from$309
21:25 — 11:45
+1 day
21:25 — 11:45 LH9355 Lufthansa
Chicago — London
8h 20m
Find flight
from$404
21:25 — 11:45
+1 day
21:25 — 11:45 OS7854 Austrian Airlines
Chicago — London
8h 20m
Find flight
from$418
22:30 — 12:15
+1 day
22:30 — 12:15 AY5748 Finnair
Chicago — London
7h 45m
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from$365
22:35 — 12:15
+1 day
22:35 — 12:15 BA1601 British Airways
Chicago — London
7h 40m
Find flight
from$309
22:35 — 12:15
+1 day
22:35 — 12:15 IB4860 Iberia
Chicago — London
7h 40m
Find flight
from$345
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$159
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$191
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$197
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$194
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$179
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$200
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$194
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$194
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$146
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$187
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$147
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$149
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$149
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$153
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$177
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$189
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$184
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$201
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$197
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$180
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$189
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$189
*Departure and arrival times - local. Updated on June 2, 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 195 $), september (from 197 $), july (from 204 $).

The most expensive months are february (from 302 $), june (from 292 $), january (from 243 $).

What is the lowest airfare Chicago to London?

The cheapest plane ticket found by our users is $146. 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
$146
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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 25 regular airlines and 5 low-cost airlines. Most of the flights on this route are operated by United Airlines - 49 departures per week at the price of from $ 307 . And the most expensive tickets are offered by SAS airline - from $ 2210.

Direct flights

There are 30 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 $293.

  • from $309
    Find
  • AS - Alaska Airlines
    from $390
    Find
  • OS - Austrian Airlines
    from $384
    Find
  • AY - Finnair
    from $327
    Find
  • IB - Iberia
    from $322
    Find
  • SN - Brussels Airlines
    from $681
    Find
  • LH - Lufthansa
    from $369
    Find
  • BA - British Airways
    from $293
    Find
See more direct flights

Connecting Flights

There are 953 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 $146.

  • from $307
    Find
  • KL - KLM
    from $361
    Find
  • AC - Air Canada
    from $252
    Find
  • FI - Icelandair
    from $147
    Find
  • OS - Austrian Airlines
    from $339
    Find
  • AF - Air France
    from $361
    Find
  • SY - Sun Country Airlines
    from $230
    Find
  • JU - Air Serbia
    from $298
    Find
  • LX - SWISS International Air Lines
    from $298
    Find
  • AS - Alaska Airlines
    from $267
    Find
  • F9 - Frontier Airlines
    from $184
    Find
  • PD - Porter Airlines
    from $233
    Find
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 $146
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  • Midway-MDW
    from $201
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  • Dupage County-DPA
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  • Chicago FSS-CHI
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  • Merrill C Meigs (closed)-CGX
    Find
  • Pal-Waukee-PWK
    Find
  • Chicago NAS-NOH
    Find

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
    Find
  • Stratford International Rail St-XOF
    Find

How to book a plane ticket yourself?

How to book an air 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.

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