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Cheap flights from Chicago to London from $379

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 2/17. 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

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
7:20 pm - 5:40 pm
ORD
-
LHR
16h 20m1 stop
Scandinavian Airlines Logo
10:20 am - 4:45 pm
LHR
-
ORD
12h 25m1 stop
$546Scandinavian Airlines
lun., ene. 12 - jue., ene. 15
Multiple Airlines Logo
6:30 pm - 7:25 pm
ORD
-
LGW
18h 55m2 stops
Multiple Airlines Logo
8:50 am - 5:20 pm
LGW
-
ORD
14h 30m2 stops
$546Multiple Airlines
lun., ene. 19 - mar., ene. 27
Icelandair Logo
7:25 pm - 11:45 am
ORD
-
LGW
10h 20m1 stop
Icelandair Logo
1:00 pm - 6:15 pm
LGW
-
ORD
11h 15m1 stop
$548Icelandair
vie., may. 1 - jue., may. 21
Icelandair Logo
7:25 pm - 11:55 am
ORD
-
LHR
10h 30m1 stop
Icelandair Logo
1:05 pm - 6:15 pm
LHR
-
ORD
11h 10m1 stop
$550Icelandair
vie., may. 1 - mié., may. 13
TAP AIR PORTUGAL Logo
8:15 pm - 3:45 pm
ORD
-
LGW
13h 30m1 stop
TAP AIR PORTUGAL Logo
4:35 pm - 2:45 pm
LGW
-
ORD
28h 10m1 stop
$550TAP AIR PORTUGAL
vie., ene. 16 - sáb., ene. 24
TAP AIR PORTUGAL Logo
8:15 pm - 10:40 pm
ORD
-
LHR
20h 25m1 stop
TAP AIR PORTUGAL Logo
6:00 am - 3:25 pm
LHR
-
ORD
15h 25m1 stop
$553TAP AIR PORTUGAL
vie., ene. 16 - vie., ene. 23
SWISS Logo
6:50 pm - 12:55 pm
ORD
-
LCY
12h 05m1 stop
SWISS Logo
9:20 am - 4:20 pm
LCY
-
ORD
13h 00m1 stop
$619SWISS
mié., ene. 21 - vie., ene. 30
SWISS Logo
7:50 pm - 6:40 pm
ORD
-
LCY
17h 50m1 stop
SWISS Logo
9:20 am - 5:20 pm
LCY
-
ORD
13h 00m1 stop
$624SWISS
dom., mar. 15 - mié., mar. 25
Delta Logo
9:34 am - 7:40 am
MDW
-
LHR
16h 06m2 stops
Delta Logo
8:40 am - 6:40 pm
LHR
-
MDW
15h 00m2 stops
$646Delta
mar., mar. 3 - mar., mar. 10
Delta Logo
7:20 pm - 1:10 pm
MDW
-
LHR
11h 50m1 stop
Delta Logo
8:40 am - 6:05 pm
LHR
-
MDW
15h 25m2 stops
$652Delta
mié., abr. 8 - mié., abr. 15

Scandinavian Airlines flights from Chicago to Cambridge

Our best Scandinavian Airlines deals on Chicago to Cambridge flight tickets
Scandinavian Airlines
Jan 12
ORD7:20 pmChicago O'Hare Intl
16h 20m
1 stop
LHR5:40 pmLondon Heathrow
Jan 15
LHR10:20 amLondon Heathrow
12h 25m
1 stop
ORD4:45 pmChicago O'Hare Intl
$546
Find similar
Scandinavian Airlines
Jan 21
ORD7:20 pmChicago O'Hare Intl
15h 05m
2 stops
LHR4:25 pmLondon Heathrow
Jan 28
LHR7:05 amLondon Heathrow
15h 40m
2 stops
ORD4:45 pmChicago O'Hare Intl
$547
Find similar
Scandinavian Airlines
Jan 12
ORD7:20 pmChicago O'Hare Intl
17h 30m
2 stops
LHR6:50 pmLondon Heathrow
Jan 17
LHR6:40 amLondon Heathrow
16h 05m
2 stops
ORD4:45 pmChicago O'Hare Intl
$548
Find similar

Delta flights from Chicago to Cambridge

Our best Delta deals on Chicago to Cambridge flight tickets
Delta
Jan 11
MDW1:49 pmChicago Midway
11h 16m
1 stop
LHR7:05 amLondon Heathrow
Jan 20
LHR6:30 amLondon Heathrow
17h 25m
2 stops
MDW5:55 pmChicago Midway
$636
Find similar
Delta
Jan 12
MDW1:49 pmChicago Midway
11h 16m
1 stop
LHR7:05 amLondon Heathrow
Jan 23
LHR6:30 amLondon Heathrow
17h 25m
2 stops
MDW5:55 pmChicago Midway
$637
Find similar
Delta
Mar 3
MDW6:17 pmChicago Midway
13h 28m
2 stops
LHR1:45 pmLondon Heathrow
Mar 10
LHR6:30 amLondon Heathrow
17h 10m
2 stops
MDW6:40 pmChicago Midway
$642
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 diciembre 21, 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

lun. 1/12

7:20 pm-5:40 pm

1 stop16h 20m

London Heathrow

jue. 1/15

10:20 am-4:45 pm

1 stop12h 25m

$546

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

lun. 1/19

6:30 pm-7:25 pm

2 stops18h 55m

London Gatwick

mar. 1/27

8:50 am-5:20 pm

2 stops14h 30m

$546

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

vie. 5/1

7:25 pm-11:45 am

1 stop10h 20m

London Gatwick

jue. 5/21

1:00 pm-6:15 pm

1 stop11h 15m

$548

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

vie. 5/1

7:25 pm-11:55 am

1 stop10h 30m

London Heathrow

mié. 5/13

1:05 pm-6:15 pm

1 stop11h 10m

$550

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

vie. 1/16

8:15 pm-3:45 pm

1 stop13h 30m

London Gatwick

sáb. 1/24

4:35 pm-2:45 pm

1 stop28h 10m

$550

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

vie. 1/16

8:15 pm-10:40 pm

1 stop20h 25m

London Heathrow

vie. 1/23

6:00 am-3:25 pm

1 stop15h 25m

$553

ChicagoLondon

ORD - LCY

ORDLCY

Chicago O'Hare Intl

mié. 1/21

6:50 pm-12:55 pm

1 stop12h 05m

London City

vie. 1/30

9:20 am-4:20 pm

1 stop13h 00m

$619

ChicagoLondon

ORD - LCY

ORDLCY

Chicago O'Hare Intl

dom. 3/15

7:50 pm-6:40 pm

1 stop17h 50m

London City

mié. 3/25

9:20 am-5:20 pm

1 stop13h 00m

$624

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

mar. 3/3

9:34 am-7:40 am

2 stops16h 06m

London Heathrow

mar. 3/10

8:40 am-6:40 pm

2 stops15h 00m

$646

ChicagoLondon

MDW - LHR

MDWLHR

Chicago Midway

mié. 4/8

7:20 pm-1:10 pm

1 stop11h 50m

London Heathrow

mié. 4/15

8:40 am-6:05 pm

2 stops15h 25m

$652

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, September 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 $653. If you’re not able to fly to Cambridge in September, then October is your next best option. Flight prices from Chicago to Cambridge during October average around $658.

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 $796 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 $702 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

6 airports
The fastest flight from Chicago to Cambridge takes 7h 40m
Direct flights go from Chicago to Cambridge every day.
There are 6 airports in Cambridge. From Chicago there are direct flights to 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
2,896 reviews
Search JetBlue flights
SWISSPriceFrom $257Free CancellationRating
7.5
1,817 reviews
Search SWISS flights
Scandinavian AirlinesPriceFrom $331Free CancellationRating
7.4
1,618 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $345Free CancellationRating
7.9
8,018 reviews
Search Delta flights
TAP AIR PORTUGALPriceFrom $428Free CancellationRating
7.2
2,093 reviews
Search TAP AIR PORTUGAL flights
LufthansaPriceFrom $460Free CancellationRating
6.8
7,639 reviews
Search Lufthansa flights
IcelandairPriceFrom $477Free CancellationRating
7.0
592 reviews
Search Icelandair flights
Aer LingusPriceFrom $494Free CancellationRating
7.2
1,406 reviews
Search Aer Lingus flights
British AirwaysPriceFrom $502Free CancellationRating
6.7
7,597 reviews
Search British Airways flights
FinnairPriceFrom $517Free CancellationRating
7.6
1,339 reviews
Search Finnair 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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