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Cheap flights from Chicago to London from $398

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to London departing on 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Chicago to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:45 pm - 7:50 am
ORD
-
STN
10h 05m
1 stop
Multiple Airlines Logo
9:30 pm - 2:25 pm
STN
-
ORD
22h 55m
1 stop
$918Multiple Airlines
Thu, Aug 13 - Wed, Aug 26
Multiple Airlines Logo
3:45 pm - 12:45 pm
ORD
-
STN
15h 00m
1 stop
Multiple Airlines Logo
6:30 am - 2:00 pm
STN
-
ORD
13h 30m
1 stop
$920Multiple Airlines
Thu, Aug 13 - Tue, Aug 25
Multiple Airlines Logo
8:45 am - 11:20 pm
ORD
-
STN
32h 35m
3 stops
Multiple Airlines Logo
6:05 am - 8:05 pm
STN
-
ORD
20h 00m
3 stops
$921Multiple Airlines
Thu, Jul 16 - Thu, Jul 23
Turkish Airlines Logo
12:45 pm - 9:55 am
ORD
-
STN
15h 10m
1 stop
Turkish Airlines Logo
5:20 pm - 6:20 pm
STN
-
ORD
31h 00m
1 stop
$922Turkish Airlines
Tue, Nov 3 - Tue, Nov 10
Multiple Airlines Logo
1:55 pm - 11:35 pm
ORD
-
STN
28h 40m
3 stops
Multiple Airlines Logo
8:40 am - 5:20 pm
STN
-
ORD
14h 40m
2 stops
$923Multiple Airlines
Wed, Oct 28 - Wed, Nov 4
Turkish Airlines Logo
8:10 pm - 4:50 pm
ORD
-
STN
38h 40m
1 stop
Turkish Airlines Logo
5:35 pm - 6:15 pm
STN
-
ORD
30h 40m
1 stop
$924Turkish Airlines
Thu, Sep 17 - Sun, Oct 4
Turkish Airlines Logo
12:45 pm - 4:20 pm
ORD
-
STN
22h 35m
1 stop
Turkish Airlines Logo
10:55 am - 7:20 pm
STN
-
ORD
38h 25m
1 stop
$925Turkish Airlines
Wed, Oct 28 - Wed, Nov 4
Multiple Airlines Logo
3:45 pm - 7:50 am
ORD
-
STN
10h 05m
1 stop
Multiple Airlines Logo
5:55 am - 2:25 pm
STN
-
ORD
14h 30m
1 stop
$926Multiple Airlines
Thu, Oct 8 - Mon, Oct 12
Multiple Airlines Logo
5:35 pm - 9:35 pm
ORD
-
STN
22h 00m
2 stops
Multiple Airlines Logo
3:10 pm - 2:45 pm
STN
-
ORD
29h 35m
2 stops
$927Multiple Airlines
Sat, Jul 4 - Tue, Jul 7
Multiple Airlines Logo
11:05 am - 12:35 am
ORD
-
STN
31h 30m
3 stops
Multiple Airlines Logo
6:05 am - 4:57 pm
STN
-
ORD
16h 52m
2 stops
$928Multiple Airlines
Mon, Jul 6 - Mon, Jul 13

Turkish Airlines flights from Chicago to London Stansted Airport

Our best Turkish Airlines deals on Chicago to London Stansted Airport flight tickets
Turkish Airlines
Nov 3
ORD12:45 pmChicago O'Hare Intl
15h 10m
1 stop
STN9:55 amLondon Stansted
Nov 10
STN5:20 pmLondon Stansted
31h 00m
1 stop
ORD6:20 pmChicago O'Hare Intl
$922
Turkish Airlines
Sep 17
ORD8:10 pmChicago O'Hare Intl
38h 40m
1 stop
STN4:50 pmLondon Stansted
Oct 4
STN5:35 pmLondon Stansted
30h 40m
1 stop
ORD6:15 pmChicago O'Hare Intl
$924
Turkish Airlines
Oct 28
ORD12:45 pmChicago O'Hare Intl
22h 35m
1 stop
STN4:20 pmLondon Stansted
Nov 4
STN10:55 amLondon Stansted
38h 25m
1 stop
ORD7:20 pmChicago O'Hare Intl
$925

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to London Stansted Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 5, 2026.
Use the filters below to find and compare flights from Chicago to London Stansted Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Thu 8/13

3:45 pm-7:50 am

1 stop10h 05m

London Stansted

Wed 8/26

9:30 pm-2:25 pm

1 stop22h 55m

$918

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Thu 8/13

3:45 pm-12:45 pm

1 stop15h 00m

London Stansted

Tue 8/25

6:30 am-2:00 pm

1 stop13h 30m

$920

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Thu 7/16

8:45 am-11:20 pm

3 stops32h 35m

London Stansted

Thu 7/23

6:05 am-8:05 pm

3 stops20h 00m

$921

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Tue 11/3

12:45 pm-9:55 am

1 stop15h 10m

London Stansted

Tue 11/10

5:20 pm-6:20 pm

1 stop31h 00m

$922

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 10/28

1:55 pm-11:35 pm

3 stops28h 40m

London Stansted

Wed 11/4

8:40 am-5:20 pm

2 stops14h 40m

$923

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Thu 9/17

8:10 pm-4:50 pm

1 stop38h 40m

London Stansted

Sun 10/4

5:35 pm-6:15 pm

1 stop30h 40m

$924

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 10/28

12:45 pm-4:20 pm

1 stop22h 35m

London Stansted

Wed 11/4

10:55 am-7:20 pm

1 stop38h 25m

$925
Quickest round-trip

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Thu 10/8

3:45 pm-7:50 am

1 stop10h 05m

London Stansted

Mon 10/12

5:55 am-2:25 pm

1 stop14h 30m

$926

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sat 7/4

5:35 pm-9:35 pm

2 stops22h 00m

London Stansted

Tue 7/7

3:10 pm-2:45 pm

2 stops29h 35m

$927

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Mon 7/6

11:05 am-12:35 am

3 stops31h 30m

London Stansted

Mon 7/13

6:05 am-4:57 pm

2 stops16h 52m

$928

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Chicago to London Stansted Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How often are flights from Chicago to London delayed?

Historically, on average around 100% of flights between Chicago and London have experienced a delay on any given week. The average delay length over the past 12 months has been 154 minutes.

What is the most punctual flight time for Chicago to London flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

When to book flights from Chicago to London Stansted Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to London Stansted Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to London Stansted Airport (CHI to STN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to London Stansted Airport

Fastest flight time

10h 05m

Direct flights

None
The fastest flight from Chicago to London Stansted Airport takes 10h 05m
There are no direct flights from Chicago to London Stansted Airport. There are no popular flight routes from Chicago to London Stansted Airport.
Search flight deals

Frequently asked questions about flying from Chicago to London Stansted Airport

  • How far is Chicago to London Stansted by plane?

    London Stansted is 3946.5 mi away from Chicago. 10h 05m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Chicago to London Stansted Airport?

    Prices for flights from Chicago to London Stansted Airport were last updated today.

  • How old do you have to be to fly from Chicago to London Stansted Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to London Stansted Airport.

  • What documentation or ID do you need to fly to London Stansted Airport?

    The travel and health documents required for your trip to London Stansted Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Stansted Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Gatwick
Milton Keynes
Luton
Dover
Hayes
Crawley
Croydon
Wembley
Stansted
Slough
Harrow
Brentwood
Watford
Cobham
Guildford
Folkestone
Uxbridge
Romford
Chelmsford

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to London?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to London. momondo saves you time and could save you money on your trip.

Can I find flights from Chicago to London with flexible booking policies on momondo?

Flights from Chicago to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Chicago to London?

momondo provides multiple filters to help you find the best flight to London from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Chicago to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Chicago to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your London Stansted Airport trip

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