Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport to London from $310

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 9/14. 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

Find the cheapest flights from Chicago O'Hare Intl Airport to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:25 pm - 8:55 pm
ORD
-
LTN
16h 30m
2 stops
Multiple Airlines Logo
9:30 pm - 3:30 pm
LTN
-
ORD
24h 00m
2 stops
$693Multiple Airlines
Mon, Aug 24 - Tue, Nov 24
Multiple Airlines Logo
6:30 pm - 3:05 pm
ORD
-
LTN
14h 35m
1 stop
Multiple Airlines Logo
7:00 am - 5:20 pm
LTN
-
ORD
16h 20m
1 stop
$697Multiple Airlines
Sun, Nov 1 - Sat, Nov 7
Multiple Airlines Logo
7:25 pm - 8:55 pm
ORD
-
LTN
19h 30m
2 stops
Multiple Airlines Logo
7:45 am - 5:20 pm
LTN
-
ORD
15h 35m
2 stops
$698Multiple Airlines
Mon, Aug 24 - Tue, Nov 24
Multiple Airlines Logo
7:25 pm - 10:10 pm
ORD
-
LTN
20h 45m
2 stops
Multiple Airlines Logo
9:00 am - 6:15 pm
LTN
-
ORD
15h 15m
2 stops
$700Multiple Airlines
Tue, Sep 29 - Sun, Oct 4
Multiple Airlines Logo
10:25 pm - 10:20 pm
ORD
-
LTN
17h 55m
2 stops
Multiple Airlines Logo
8:30 am - 6:15 pm
LTN
-
ORD
15h 45m
2 stops
$702Multiple Airlines
Sun, Oct 11 - Thu, Oct 15
Multiple Airlines Logo
10:25 pm - 4:20 pm
ORD
-
LTN
11h 55m
2 stops
Multiple Airlines Logo
8:00 am - 2:00 pm
LTN
-
ORD
36h 00m
2 stops
$704Multiple Airlines
Fri, Sep 25 - Sun, Sep 27
Multiple Airlines Logo
7:25 pm - 10:15 pm
ORD
-
LTN
20h 50m
2 stops
Multiple Airlines Logo
8:00 am - 12:40 pm
LTN
-
ORD
34h 40m
2 stops
$708Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
Multiple Airlines Logo
10:25 pm - 8:55 pm
ORD
-
LTN
16h 30m
2 stops
Multiple Airlines Logo
9:30 pm - 6:25 pm
LTN
-
ORD
26h 55m
2 stops
$709Multiple Airlines
Mon, Aug 24 - Tue, Nov 24
Multiple Airlines Logo
7:25 pm - 8:55 pm
ORD
-
LTN
19h 30m
2 stops
Multiple Airlines Logo
8:00 am - 12:40 pm
LTN
-
ORD
34h 40m
2 stops
$710Multiple Airlines
Mon, Aug 24 - Wed, Sep 2
Multiple Airlines Logo
11:25 am - 7:55 pm
ORD
-
LTN
26h 30m
2 stops
Multiple Airlines Logo
3:15 pm - 9:40 am
LTN
-
ORD
24h 25m
2 stops
$711Multiple Airlines
Tue, Sep 8 - Tue, Sep 15

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to London Luton 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 July 26, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to London Luton Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 8/24

10:25 pm-8:55 pm

2 stops16h 30m

London Luton

Tue 11/24

9:30 pm-3:30 pm

2 stops24h 00m

$693
Quickest round-trip

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sun 11/1

6:30 pm-3:05 pm

1 stop14h 35m

London Luton

Sat 11/7

7:00 am-5:20 pm

1 stop16h 20m

$697

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 8/24

7:25 pm-8:55 pm

2 stops19h 30m

London Luton

Tue 11/24

7:45 am-5:20 pm

2 stops15h 35m

$698

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Tue 9/29

7:25 pm-10:10 pm

2 stops20h 45m

London Luton

Sun 10/4

9:00 am-6:15 pm

2 stops15h 15m

$700

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Sun 10/11

10:25 pm-10:20 pm

2 stops17h 55m

London Luton

Thu 10/15

8:30 am-6:15 pm

2 stops15h 45m

$702

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Fri 9/25

10:25 pm-4:20 pm

2 stops11h 55m

London Luton

Sun 9/27

8:00 am-2:00 pm

2 stops36h 00m

$704

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Wed 9/9

7:25 pm-10:15 pm

2 stops20h 50m

London Luton

Wed 9/16

8:00 am-12:40 pm

2 stops34h 40m

$708

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 8/24

10:25 pm-8:55 pm

2 stops16h 30m

London Luton

Tue 11/24

9:30 pm-6:25 pm

2 stops26h 55m

$709

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Mon 8/24

7:25 pm-8:55 pm

2 stops19h 30m

London Luton

Wed 9/2

8:00 am-12:40 pm

2 stops34h 40m

$710

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Tue 9/8

11:25 am-7:55 pm

2 stops26h 30m

London Luton

Tue 9/15

3:15 pm-9:40 am

2 stops24h 25m

$711

Flights are sorted by cheapest round-trip 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 Luton 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 0% 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 0 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 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?

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

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

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

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

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

Fastest flight time

10h 40m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to London Luton Airport takes 10h 40m
There are no direct flights from Chicago O'Hare Intl Airport to London Luton Airport. There are no popular flight routes from Chicago O'Hare Intl Airport to London Luton Airport.
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to London Luton Airport

  • How far is Chicago O'Hare Intl to London Luton by plane?

    Chicago O'Hare Intl and London Luton are 3929.6 mi apart from one another. In terms of flight time, this usually takes a little over 10h 40m.

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

    Prices for flights from Chicago O'Hare Intl Airport to London Luton Airport are updated daily.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to London Luton Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to London Luton Airport.

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

    The travel and health documents you'll need for your trip to London Luton Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Luton Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near London?

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

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?

Yes. momondo enables you to select and highlight flights to London from Chicago with this policy.

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 Luton Airport trip

We make it super easy to schedule, organize 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
Tue 8/25
Tue 9/1
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
Flights to London Heathrow Airportfrom $496
Flights to London Gatwick Airportfrom $369
Flights to London Stansted Airportfrom $481
Flights to London City Airportfrom $670
Flights to Glasgow Intl Airportfrom $516
Flights to Belfast Intl Airportfrom $683
Flights to London Southend Airportfrom $708
Flights to Belfast City Airportfrom $691