Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport to London from £258

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 4/7. 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
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
19:25 - 23:20
ORD
-
STN
21h 55m
2 stops
Multiple Airlines Logo
06:30 - 18:15
STN
-
ORD
17h 45m
2 stops
£382Multiple Airlines
Wed, 15 Apr - Tue, 21 Apr
Multiple Airlines Logo
18:30 - 22:50
ORD
-
STN
22h 20m
2 stops
Multiple Airlines Logo
08:30 - 18:20
STN
-
ORD
14h 50m
2 stops
£385Multiple Airlines
Wed, 4 Mar - Wed, 11 Mar
Multiple Airlines Logo
18:30 - 17:50
ORD
-
STN
17h 20m
2 stops
Multiple Airlines Logo
06:30 - 18:20
STN
-
ORD
16h 50m
2 stops
£386Multiple Airlines
Wed, 4 Mar - Wed, 11 Mar
Multiple Airlines Logo
19:25 - 23:20
ORD
-
STN
21h 55m
2 stops
Multiple Airlines Logo
08:30 - 18:15
STN
-
ORD
15h 45m
2 stops
£387Multiple Airlines
Fri, 24 Apr - Wed, 29 Apr
Multiple Airlines Logo
18:30 - 13:20
ORD
-
STN
12h 50m
2 stops
Multiple Airlines Logo
06:30 - 17:20
STN
-
ORD
16h 50m
2 stops
£388Multiple Airlines
Sun, 15 Feb - Tue, 24 Feb
Multiple Airlines Logo
19:20 - 22:40
ORD
-
STN
21h 20m
2 stops
Multiple Airlines Logo
11:05 - 16:45
STN
-
ORD
35h 40m
2 stops
£388Multiple Airlines
Mon, 16 Feb - Fri, 20 Feb
Multiple Airlines Logo
19:25 - 23:25
ORD
-
STN
22h 00m
2 stops
Multiple Airlines Logo
06:30 - 18:15
STN
-
ORD
17h 45m
2 stops
£389Multiple Airlines
Sun, 12 Apr - Mon, 20 Apr
Multiple Airlines Logo
19:20 - 21:05
ORD
-
STN
19h 45m
2 stops
Multiple Airlines Logo
21:45 - 16:45
STN
-
ORD
25h 00m
2 stops
£390Multiple Airlines
Wed, 4 Mar - Fri, 6 Mar
Multiple Airlines Logo
18:30 - 23:00
ORD
-
STN
22h 30m
2 stops
Multiple Airlines Logo
06:30 - 17:20
STN
-
ORD
16h 50m
2 stops
£393Multiple Airlines
Sun, 15 Feb - Tue, 24 Feb
Multiple Airlines Logo
18:30 - 18:20
ORD
-
STN
17h 50m
2 stops
Multiple Airlines Logo
06:30 - 17:20
STN
-
ORD
16h 50m
2 stops
£394Multiple Airlines
Sun, 15 Feb - Tue, 24 Feb

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 3 February 2026.
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

Wed 15/4

19:25-23:20

2 stops21h 55m

London Stansted

Tue 21/4

06:30-18:15

2 stops17h 45m

£382

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 4/3

18:30-22:50

2 stops22h 20m

London Stansted

Wed 11/3

08:30-18:20

2 stops14h 50m

£385

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 4/3

18:30-17:50

2 stops17h 20m

London Stansted

Wed 11/3

06:30-18:20

2 stops16h 50m

£386

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Fri 24/4

19:25-23:20

2 stops21h 55m

London Stansted

Wed 29/4

08:30-18:15

2 stops15h 45m

£387

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sun 15/2

18:30-13:20

2 stops12h 50m

London Stansted

Tue 24/2

06:30-17:20

2 stops16h 50m

£388

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Mon 16/2

19:20-22:40

2 stops21h 20m

London Stansted

Fri 20/2

11:05-16:45

2 stops35h 40m

£388

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sun 12/4

19:25-23:25

2 stops22h 00m

London Stansted

Mon 20/4

06:30-18:15

2 stops17h 45m

£389

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 4/3

19:20-21:05

2 stops19h 45m

London Stansted

Fri 6/3

21:45-16:45

2 stops25h 00m

£390

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sun 15/2

18:30-23:00

2 stops22h 30m

London Stansted

Tue 24/2

06:30-17:20

2 stops16h 50m

£393

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sun 15/2

18:30-18:20

2 stops17h 50m

London Stansted

Tue 24/2

06:30-17:20

2 stops16h 50m

£394

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 56 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 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 that experiences the fewest delays on this flight route. Sunday 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, Atlas Air 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

Fastest flight time

16h 10m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to London Stansted Airport takes 16h 10m
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.
Search flight deals

  • 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 16h 10m.

  • 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
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Chelmsford
Hayes
Dover
Folkestone
Bedford
Colchester
Wembley
Worthing
Ramsgate

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.

An easier way to manage your London Stansted Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 5/3
Thu 12/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London