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Cheap flights from Chicago to London from $232

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 11/13. 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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Cheap round-trip flights

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Icelandair Logo
6:30 pm - 10:50 amORD-LHR
10h 20m1 stop
Icelandair Logo
8:35 pm - 5:20 pmLHR-ORD
26h 45m1 stop
$535Icelandair
Find Deal
Fri, Nov 14 - Wed, Nov 19
Multiple Airlines Logo
10:18 am - 10:00 amORD-LGW
17h 42m1 stop
Multiple Airlines Logo
2:00 pm - 10:25 amLGW-ORD
26h 25m2 stops
$535Multiple Airlines
Find Deal
Sun, Jan 11 - Sat, Jan 17
Aer Lingus Logo
7:40 pm - 11:25 amORD-LHR
9h 45m1 stop
Aer Lingus Logo
8:50 am - 2:00 pmLHR-ORD
11h 10m1 stop
$554Aer Lingus
Find Deal
Sun, Nov 16 - Tue, Nov 18
Aer Lingus Logo
5:55 pm - 11:25 amORD-LHR
11h 30m1 stop
Aer Lingus Logo
8:50 am - 2:00 pmLHR-ORD
11h 10m1 stop
$555Aer Lingus
Find Deal
Wed, Nov 5 - Fri, Nov 7
Finnair Logo
8:40 pm - 10:25 amORD-LHR
7h 45mnonstop
Finnair Logo
12:35 pm - 3:25 pmLHR-ORD
8h 50mnonstop
$569Finnair
Find Deal
Sun, Nov 9 - Tue, Nov 18
Iberia Logo
6:25 pm - 8:15 amORD-LHR
7h 50mnonstop
Iberia Logo
9:15 am - 2:55 pmLHR-ORD
35h 40m1 stop
$573Iberia
Find Deal
Mon, Dec 1 - Mon, Dec 8
Finnair Logo
6:30 pm - 8:15 amORD-LHR
7h 45mnonstop
Finnair Logo
12:35 pm - 3:25 pmLHR-ORD
8h 50mnonstop
$575Finnair
Find Deal
Wed, Nov 12 - Thu, Nov 20
British Airways Logo
5:10 pm - 6:55 amORD-LHR
7h 45mnonstop
British Airways Logo
11:00 am - 1:50 pmLHR-ORD
8h 50mnonstop
$582British Airways
Find Deal
Sun, Nov 16 - Wed, Jan 14
British Airways Logo
9:45 pm - 11:35 amORD-LHR
7h 50mnonstop
British Airways Logo
11:00 am - 1:50 pmLHR-ORD
8h 50mnonstop
$583British Airways
Find Deal
Sun, Nov 16 - Wed, Nov 26
Iberia Logo
2:50 pm - 7:00 amORD-LHR
10h 10m1 stop
Iberia Logo
12:35 pm - 3:25 pmLHR-ORD
8h 50mnonstop
$584Iberia
Find Deal
Sun, Nov 9 - Tue, Nov 18

Icelandair flights from Chicago to Cambridge

Our best Icelandair deals on Chicago to Cambridge flight tickets
Icelandair
Nov 14
ORD6:30 pmChicago O'Hare Intl
10h 20m
1 stop
LHR10:50 amLondon Heathrow
Nov 19
LHR8:35 pmLondon Heathrow
26h 45m
1 stop
ORD5:20 pmChicago O'Hare Intl
$535
Find similar
Icelandair
Mar 5
ORD6:30 pmChicago O'Hare Intl
10h 25m
1 stop
LGW10:55 amLondon Gatwick
Mar 11
LGW11:55 amLondon Gatwick
11h 25m
1 stop
ORD6:20 pmChicago O'Hare Intl
$536
Find similar
Icelandair
Nov 9
ORD6:30 pmChicago O'Hare Intl
19h 00m
1 stop
LHR7:30 pmLondon Heathrow
Nov 18
LHR8:35 pmLondon Heathrow
26h 45m
1 stop
ORD5:20 pmChicago O'Hare Intl
$537
Find similar

Scandinavian Airlines flights from Chicago to Cambridge

Our best Scandinavian Airlines deals on Chicago to Cambridge flight tickets
Scandinavian Airlines
Jan 9
ORD7:20 pmChicago O'Hare Intl
31h 35m
2 stops
LHR8:55 amLondon Heathrow
Jan 12
LHR6:40 amLondon Heathrow
20h 55m
2 stops
ORD9:35 pmChicago O'Hare Intl
$536
Find similar
Scandinavian Airlines
Jan 11
ORD10:24 amChicago O'Hare Intl
23h 36m
2 stops
LHR4:00 pmLondon Heathrow
Feb 5
LHR7:50 pmLondon Heathrow
26h 55m
2 stops
ORD4:45 pmChicago O'Hare Intl
$537
Find similar
Scandinavian Airlines
Jan 10
ORD7:20 pmChicago O'Hare Intl
14h 40m
1 stop
LHR4:00 pmLondon Heathrow
Jan 13
LHR7:50 pmLondon Heathrow
26h 55m
2 stops
ORD4:45 pmChicago O'Hare Intl
$538
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Cambridge 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 November 3, 2025.
Use the filters below to find and compare flights from Chicago to Cambridge that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Fri 11/14

6:30 pm-10:50 am

1 stop10h 20m

London Heathrow

Wed 11/19

8:35 pm-5:20 pm

1 stop26h 45m

$535

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 1/11

10:18 am-10:00 am

1 stop17h 42m

London Gatwick

Sat 1/17

2:00 pm-10:25 am

2 stops26h 25m

$535

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 11/16

7:40 pm-11:25 am

1 stop9h 45m

London Heathrow

Tue 11/18

8:50 am-2:00 pm

1 stop11h 10m

$554

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 11/5

5:55 pm-11:25 am

1 stop11h 30m

London Heathrow

Fri 11/7

8:50 am-2:00 pm

1 stop11h 10m

$555

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 11/9

8:40 pm-10:25 am

Nonstop7h 45m

London Heathrow

Tue 11/18

12:35 pm-3:25 pm

Nonstop8h 50m

$569

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 12/1

6:25 pm-8:15 am

Nonstop7h 50m

London Heathrow

Mon 12/8

9:15 am-2:55 pm

1 stop35h 40m

$573

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 11/12

6:30 pm-8:15 am

Nonstop7h 45m

London Heathrow

Thu 11/20

12:35 pm-3:25 pm

Nonstop8h 50m

$575

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 11/16

5:10 pm-6:55 am

Nonstop7h 45m

London Heathrow

Wed 1/14

11:00 am-1:50 pm

Nonstop8h 50m

$582

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 11/16

9:45 pm-11:35 am

Nonstop7h 50m

London Heathrow

Wed 11/26

11:00 am-1:50 pm

Nonstop8h 50m

$583

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 11/9

2:50 pm-7:00 am

1 stop10h 10m

London Heathrow

Tue 11/18

12:35 pm-3:25 pm

Nonstop8h 50m

$584

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Chicago to Cambridge

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

What is the typical price of a round-trip flight between Chicago and Cambridge?

What is the cheapest month to fly to Cambridge?

In general, February is the cheapest month to fly from Chicago to Cambridge. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $651. If you’re not able to fly to Cambridge in February, then September is your next best option. Flight prices from Chicago to Cambridge during September average around $656.

What is the cheapest Chicago to Cambridge flight route?

Fly from Chicago O'Hare Intl to London Heathrow for the best Chicago - Cambridge flight prices

How far in advance should I book a flight to Cambridge?

You are more likely to see cheaper flights to Cambridge from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Cambridge for around $794 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cambridge from Chicago for as low as $696 on momondo.

What cabin class options are available on Chicago to Cambridge flights?

There are 4 cabin classes available to choose from on Chicago to Cambridge flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chicago to Cambridge flights?

No. A direct flight is the cheapest option for a flight between Chicago to Cambridge.

Cheap Chicago to Cambridge flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Cambridge

Fastest flight time

7h 40m

Direct flights

Every day

Airports in Cambridge

1 airport
The fastest flight from Chicago to Cambridge takes 7h 40m
Direct flights go from Chicago to Cambridge every day.
There is 1 airport near Cambridge: London Heathrow (LHR)
Search flight deals

  • When did momondo last update prices for flights from Chicago to Cambridge?

    Prices for flights from Chicago to Cambridge refresh daily.

  • How many operators does momondo search for flights from Chicago to Cambridge?

  • How old do you have to be to fly from Chicago to Cambridge?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Cambridge.

  • What documentation or ID do you need to fly to Cambridge?

    The necessary travel and health documents for your Cambridge trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago to Cambridge?

Best airlines flying from Chicago to Cambridge

Compare and see reviews for airlines that fly from Chicago to Cambridge with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $51Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
SWISSPriceFrom $257Free CancellationRating
7.5
1,775 reviews
Search SWISS flights
Scandinavian AirlinesPriceFrom $338Free CancellationRating
7.4
1,553 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $345Free CancellationRating
7.9
7,999 reviews
Search Delta flights
TAP AIR PORTUGALPriceFrom $450Free CancellationRating
7.1
2,042 reviews
Search TAP AIR PORTUGAL flights
LufthansaPriceFrom $460Free CancellationRating
6.8
7,544 reviews
Search Lufthansa flights
IcelandairPriceFrom $481Free CancellationRating
7.1
566 reviews
Search Icelandair flights
Alaska AirlinesPriceFrom $487Free CancellationRating
8.0
11,232 reviews
Search Alaska Airlines flights
British AirwaysPriceFrom $502Free CancellationRating
6.7
7,494 reviews
Search British Airways flights
Aer LingusPriceFrom $515Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Cambridge for you.

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

Flights from Chicago to Cambridge 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 Cambridge?

Once all potential Chicago to Cambridge flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Chicago to Cambridge flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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