Cheap flights from Chicago to London from £175

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 12/11. 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

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10:40 - 12:00ORD-STN
19h 20m2 stops
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21:45 - 17:33STN-ORD
25h 48m2 stops
Tue, 14 Oct - Tue, 21 Oct
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10:40 - 11:50ORD-STN
19h 10m2 stops
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20:55 - 17:20STN-ORD
25h 25m2 stops
Wed, 22 Oct - Wed, 29 Oct
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10:40 - 16:55ORD-STN
24h 15m2 stops
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21:20 - 19:25STN-ORD
27h 05m2 stops
Wed, 22 Oct - Thu, 30 Oct
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10:40 - 19:25ORD-STN
26h 45m3 stops
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11:05 - 15:55STN-ORD
34h 50m2 stops
Tue, 14 Oct - Tue, 21 Oct
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08:40 - 10:40ORD-STN
20h 00m2 stops
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13:55 - 15:55STN-ORD
32h 00m2 stops
Mon, 22 Sep - Wed, 1 Oct
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19:20 - 23:00ORD-STN
21h 40m3 stops
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06:30 - 16:45STN-ORD
16h 15m2 stops
Sun, 9 Nov - Sat, 15 Nov
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19:20 - 23:00ORD-STN
21h 40m2 stops
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06:30 - 16:45STN-ORD
16h 15m2 stops
Sun, 9 Nov - Sat, 15 Nov
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08:40 - 12:00ORD-STN
21h 20m2 stops
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05:55 - 19:25STN-ORD
18h 30m2 stops
Tue, 21 Oct - Wed, 29 Oct
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14:00 - 12:00ORD-STN
16h 00m2 stops
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21:45 - 20:17STN-ORD
28h 32m2 stops
Tue, 14 Oct - Tue, 21 Oct
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18:30 - 23:40ORD-STN
23h 10m2 stops
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07:35 - 17:20STN-ORD
15h 45m2 stops
Thu, 6 Nov - Mon, 10 Nov

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 12 September 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

Tue 14/10

10:40-12:00

2 stops19h 20m

London Stansted

Tue 21/10

21:45-17:33

2 stops25h 48m

£380

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 22/10

10:40-11:50

2 stops19h 10m

London Stansted

Wed 29/10

20:55-17:20

2 stops25h 25m

£385

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 22/10

10:40-16:55

2 stops24h 15m

London Stansted

Thu 30/10

21:20-19:25

2 stops27h 05m

£385

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Tue 14/10

10:40-19:25

3 stops26h 45m

London Stansted

Tue 21/10

11:05-15:55

2 stops34h 50m

£386

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Mon 22/9

08:40-10:40

2 stops20h 00m

London Stansted

Wed 1/10

13:55-15:55

2 stops32h 00m

£388

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sun 9/11

19:20-23:00

3 stops21h 40m

London Stansted

Sat 15/11

06:30-16:45

2 stops16h 15m

£390

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sun 9/11

19:20-23:00

2 stops21h 40m

London Stansted

Sat 15/11

06:30-16:45

2 stops16h 15m

£391

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Tue 21/10

08:40-12:00

2 stops21h 20m

London Stansted

Wed 29/10

05:55-19:25

2 stops18h 30m

£393

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Tue 14/10

14:00-12:00

2 stops16h 00m

London Stansted

Tue 21/10

21:45-20:17

2 stops28h 32m

£394

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Thu 6/11

18:30-23:40

2 stops23h 10m

London Stansted

Mon 10/11

07:35-17:20

2 stops15h 45m

£395

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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.
  • 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.

  • How do I get Price Alerts for flights from Chicago to London Stansted Airport?

    Search flight deals from Chicago to London Stansted Airport. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Chicago to London Stansted Airport with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Travelling to a place near London?

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

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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1 adult
Sun 12/10
Sun 19/10

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