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Cheap flights from Chicago O'Hare Intl Airport to London from £189

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 O'Hare Intl Airport to London departing on 30/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Chicago O'Hare Intl Airport to London

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
06:30 - 17:20STN-ORD
16h 50m2 stops
£407Multiple Airlines
Find Deal
Thu, 15 Jan - Mon, 19 Jan
Multiple Airlines Logo
19:20 - 15:40ORD-STN
14h 20m2 stops
Multiple Airlines Logo
18:50 - 16:45STN-ORD
27h 55m2 stops
£409Multiple Airlines
Find Deal
Fri, 14 Nov - Tue, 18 Nov
Multiple Airlines Logo
15:50 - 09:50ORD-STN
12h 00m1 stop
Multiple Airlines Logo
06:30 - 18:55STN-ORD
17h 25m1 stop
£410Multiple Airlines
Find Deal
Wed, 4 Mar - Tue, 10 Mar
Multiple Airlines Logo
19:20 - 21:20ORD-STN
20h 00m2 stops
Multiple Airlines Logo
16:30 - 16:45STN-ORD
30h 15m2 stops
£412Multiple Airlines
Find Deal
Mon, 8 Dec - Thu, 11 Dec
Multiple Airlines Logo
18:30 - 17:50ORD-STN
17h 20m2 stops
Multiple Airlines Logo
06:30 - 17:20STN-ORD
16h 50m2 stops
£413Multiple Airlines
Find Deal
Wed, 3 Dec - Wed, 10 Dec
Multiple Airlines Logo
21:50 - 21:20ORD-STN
17h 30m2 stops
Multiple Airlines Logo
21:45 - 13:10STN-ORD
21h 25m2 stops
£415Multiple Airlines
Find Deal
Mon, 1 Dec - Mon, 8 Dec
Multiple Airlines Logo
19:20 - 23:00ORD-STN
21h 40m3 stops
Multiple Airlines Logo
06:30 - 16:45STN-ORD
16h 15m2 stops
£416Multiple Airlines
Find Deal
Sun, 23 Nov - Sat, 6 Dec
Multiple Airlines Logo
15:55 - 09:50ORD-STN
11h 55m2 stops
Multiple Airlines Logo
21:45 - 17:48STN-ORD
26h 03m2 stops
£418Multiple Airlines
Find Deal
Tue, 25 Nov - Tue, 2 Dec
Multiple Airlines Logo
15:55 - 09:50ORD-STN
11h 55m2 stops
Multiple Airlines Logo
21:45 - 17:48STN-ORD
26h 03m2 stops
£419Multiple Airlines
Find Deal
Tue, 25 Nov - Tue, 2 Dec
Multiple Airlines Logo
07:05 - 17:50ORD-STN
28h 45m3 stops
Multiple Airlines Logo
21:45 - 13:10STN-ORD
21h 25m2 stops
£420Multiple Airlines
Find Deal
Wed, 19 Nov - Mon, 24 Nov

momondo Fare Finder

 
Customise your flight search to find flights from Chicago O'Hare Intl Airport 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 4 November 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport 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

Thu 15/1

18:30-14:50

2 stops14h 20m

London Stansted

Mon 19/1

06:30-17:20

2 stops16h 50m

£407

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Fri 14/11

19:20-15:40

2 stops14h 20m

London Stansted

Tue 18/11

18:50-16:45

2 stops27h 55m

£409

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 4/3

15:50-09:50

1 stop12h 00m

London Stansted

Tue 10/3

06:30-18:55

1 stop17h 25m

£410

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Mon 8/12

19:20-21:20

2 stops20h 00m

London Stansted

Thu 11/12

16:30-16:45

2 stops30h 15m

£412

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 3/12

18:30-17:50

2 stops17h 20m

London Stansted

Wed 10/12

06:30-17:20

2 stops16h 50m

£413

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Mon 1/12

21:50-21:20

2 stops17h 30m

London Stansted

Mon 8/12

21:45-13:10

2 stops21h 25m

£415

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sun 23/11

19:20-23:00

3 stops21h 40m

London Stansted

Sat 6/12

06:30-16:45

2 stops16h 15m

£416

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Tue 25/11

15:55-09:50

2 stops11h 55m

London Stansted

Tue 2/12

21:45-17:48

2 stops26h 03m

£418

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Tue 25/11

15:55-09:50

2 stops11h 55m

London Stansted

Tue 2/12

21:45-17:48

2 stops26h 03m

£419

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 19/11

07:05-17:50

3 stops28h 45m

London Stansted

Mon 24/11

21:45-13:10

2 stops21h 25m

£420

Flights are sorted by cheapest return 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 O'Hare Intl Airport 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 86 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 evening have, in the past, seen delays more frequently in comparison.

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

Monday 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.

Which airline has the best punctuality record on Chicago to London flights?

According to our data, Virgin Atlantic have had the fewest delays on this route over the last 12 months, with about 100% of their flights experiencing any sort of delay.

When to book flights from Chicago O'Hare Intl Airport to London Stansted Airport

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

Cheap Chicago O'Hare Intl Airport to London Stansted Airport (ORD to STN) flight deals and tips

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

Direct flights

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

    London Stansted is 3952.0 mi away from Chicago O'Hare Intl. In terms of flight time, this usually takes a little over 11h 40m.

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

    Prices for flights from Chicago O'Hare Intl Airport to London Stansted Airport were last updated today.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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
Colchester
Dover
Hayes
Chelmsford
Worthing
Dartford
Ramsgate
Bedford
Stansted

Why use momondo?

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

It is quick and easy to find Chicago to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

All flight searches from Chicago to London on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Chicago to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Chicago and alert you when they change.

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