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Cheap flights from Chicago to London from £204

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 21/1. 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
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
18:30 - 14:50ORD-STN
14h 20m2 stops
Multiple Airlines Logo
08:30 - 17:20STN-ORD
14h 50m2 stops
£420Multiple Airlines
Find Deal
fre., 27 feb. - lør., 7 mar.
Multiple Airlines Logo
15:50 - 07:50ORD-STN
10h 00m1 stop
Multiple Airlines Logo
08:30 - 17:55STN-ORD
15h 25m1 stop
£420Multiple Airlines
Find Deal
tir., 2 dec. - man., 8 dec.
Multiple Airlines Logo
15:50 - 09:50ORD-STN
12h 00m1 stop
Multiple Airlines Logo
12:00 - 17:55STN-ORD
11h 55m1 stop
£421Multiple Airlines
Find Deal
søn., 7 dec. - lør., 13 dec.
Multiple Airlines Logo
18:30 - 17:35ORD-STN
17h 05m2 stops
Multiple Airlines Logo
05:55 - 17:20STN-ORD
17h 25m2 stops
£422Multiple Airlines
Find Deal
søn., 30 nov. - fre., 5 dec.
Multiple Airlines Logo
15:55 - 11:05ORD-STN
13h 10m2 stops
Multiple Airlines Logo
18:45 - 13:10STN-ORD
24h 25m2 stops
£423Multiple Airlines
Find Deal
søn., 30 nov. - lør., 6 dec.
Multiple Airlines Logo
07:05 - 13:20ORD-STN
24h 15m3 stops
Multiple Airlines Logo
13:30 - 16:20STN-ORD
32h 50m2 stops
£426Multiple Airlines
Find Deal
søn., 30 nov. - lør., 6 dec.
Multiple Airlines Logo
15:50 - 20:55ORD-STN
23h 05m2 stops
Multiple Airlines Logo
05:55 - 17:55STN-ORD
18h 00m2 stops
£427Multiple Airlines
Find Deal
man., 1 dec. - søn., 7 dec.
Multiple Airlines Logo
07:15 - 16:35ORD-STN
27h 20m3 stops
Multiple Airlines Logo
21:45 - 15:10STN-ORD
23h 25m2 stops
£430Multiple Airlines
Find Deal
fre., 16 jan. - tir., 20 jan.
Multiple Airlines Logo
10:00 - 18:20ORD-STN
26h 20m2 stops
Multiple Airlines Logo
21:45 - 18:25STN-ORD
26h 40m2 stops
£430Multiple Airlines
Find Deal
tor., 15 jan. - man., 19 jan.
Multiple Airlines Logo
15:50 - 07:50ORD-STN
10h 00m1 stop
Multiple Airlines Logo
06:30 - 14:00STN-ORD
13h 30m1 stop
£431Multiple Airlines
Find Deal
lør., 6 dec. - ons., 10 dec.

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 19 november 2025.
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

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

fre. 27/2

18:30-14:50

2 stops14h 20m

London Stansted

lør. 7/3

08:30-17:20

2 stops14h 50m

£420

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

tir. 2/12

15:50-07:50

1 stop10h 00m

London Stansted

man. 8/12

08:30-17:55

1 stop15h 25m

£420

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

søn. 7/12

15:50-09:50

1 stop12h 00m

London Stansted

lør. 13/12

12:00-17:55

1 stop11h 55m

£421

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

søn. 30/11

18:30-17:35

2 stops17h 05m

London Stansted

fre. 5/12

05:55-17:20

2 stops17h 25m

£422

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

søn. 30/11

15:55-11:05

2 stops13h 10m

London Stansted

lør. 6/12

18:45-13:10

2 stops24h 25m

£423

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

søn. 30/11

07:05-13:20

3 stops24h 15m

London Stansted

lør. 6/12

13:30-16:20

2 stops32h 50m

£426

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

man. 1/12

15:50-20:55

2 stops23h 05m

London Stansted

søn. 7/12

05:55-17:55

2 stops18h 00m

£427

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

fre. 16/1

07:15-16:35

3 stops27h 20m

London Stansted

tir. 20/1

21:45-15:10

2 stops23h 25m

£430

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

tor. 15/1

10:00-18:20

2 stops26h 20m

London Stansted

man. 19/1

21:45-18:25

2 stops26h 40m

£430

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

lør. 6/12

15:50-07:50

1 stop10h 00m

London Stansted

ons. 10/12

06:30-14:00

1 stop13h 30m

£431

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 50% 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 24 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 departing in the morning have, in the past, seen delays more frequently in comparison.

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

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday 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 return 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

Direct flights

None
There are no direct flights from Chicago to London Stansted Airport. There are no popular flight routes from Chicago to London Stansted Airport.
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  • How far is Chicago to London Stansted by plane?

    London Stansted is 3946.5 mi away from Chicago. A reasonable flight in good conditions will take 10h 00m.

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

    Prices for flights from Chicago to London Stansted Airport refresh daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Dover
Colchester
Chelmsford
Hayes
Worthing
Ramsgate
Dartford
Bedford
Winchester

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 helps you find the best flight between Chicago and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to London from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London Stansted Airport trip

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