Cheap flights from Illinois to London (LON) from $214

This is the cheapest one-way flight price, found on 6/5. Prices may vary by date and flight preferences.
ORD — LON
Jun 11 — Jun 181
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Cheap flights from Illinois to London in June, July 2023

The best prices found for Illinois to LON flights for June, July
Check out some of the best flight deals from Illinois to London in 2023. More deals are always being added, so be sure to check back regularly.

Illinois to London 2023 flight deals

Cheap flights to London from Illinois found for this year
Check out some of the best flight deals from Illinois to London in 2023. More deals are always being added, so be sure to check back regularly.

Cheap Delta flights from Illinois to London

Consider these cheap Delta flights we've found departing from Illinois to London. Make sure to double check the flight details before booking.

Cheap KLM flights from Illinois to London

Some of the best deals we've found on KLM flights traveling from Illinois to London. Check back soon if you're not seeing flights that suit your needs.

Non-stop flights to London from Illinois

Save time with Illinois to London direct flight deals
To help reduce your travel time, choose from one of these non-stop flights from Illinois to London. Users seeking other options on flights from Illinois to London should update the search form at the top of the page.

Last minute flights from Illinois to London

Late deals on return flights to London from Illinois, departing today and this week
Have a look at some of the last-minute flights available departing from Illinois to London. It's wise to confirm all flight details are correct before booking.

One-way flights to London from Illinois

The cheapest one-way flights from Illinois to London
Take a look at some of the one-way flights we've detected from Illinois to London. Users needing a return flight from Illinois to London should utilize the search form above.

Find flights from Illinois to London within your budget

Use the slider to find flights from Illinois to London that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$347 - $655

Route

Depart

Return

Price

Chicago O'Hare IntlLondon Heathrow

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 10/23

1 stop12h 00m

London Heathrow

Tue 10/24

1 stop23h 20m

Chicago O'Hare IntlLondon Heathrow

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 11/5

1 stop18h 25m

London Heathrow

Sat 11/11

1 stop32h 00m

Chicago O'Hare IntlLondon Gatwick

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 10/23

1 stop10h 15m

London Gatwick

Fri 11/3

1 stop11h 20m

Chicago O'Hare IntlLondon Gatwick

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 12/3

1 stop11h 30m

London Gatwick

Sun 12/10

2 stops19h 00m

Chicago O'Hare IntlLondon Heathrow

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sun 9/24

1 stop11h 00m

London Heathrow

Sun 10/1

Nonstop8h 40m

Chicago O'Hare IntlLondon Gatwick

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 10/27

1 stop11h 40m

London Gatwick

Tue 10/31

1 stop14h 42m

Chicago O'Hare IntlLondon Gatwick

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 9/24

2 stops13h 46m

London Gatwick

Sun 10/1

2 stops17h 29m

Chicago MidwayLondon Heathrow

MDW - LHR

MDWLHR

Chicago Midway

Thu 11/2

1 stop15h 05m

London Heathrow

Sun 11/5

1 stop13h 15m

Chicago O'Hare IntlLondon Gatwick

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Fri 11/10

1 stop10h 00m

London Gatwick

Wed 11/15

1 stop11h 25m

Flights are sorted by cheapest first

Deals found on 6/5

Reviews of airlines servicing London

To help decide which airline to fly from Illinois to London, see what other customers have to say about Delta, KLM and Scandinavian Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
2,393 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 10

We paid for assigned seats but we were bumped to seats in the back and split up on both flights. I believe we deserve a refund for the seat charges.

Delta
8.0
Very good
2,393 reviews
Delta
8.0
Very good
2,393 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 10

We paid for assigned seats but we were bumped to seats in the back and split up on both flights. I believe we deserve a refund for the seat charges.

Air France
7.7
Good
198 reviews
Delta
8.0
Very good
2,393 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 10

We paid for assigned seats but we were bumped to seats in the back and split up on both flights. I believe we deserve a refund for the seat charges.

SWISS
7.6
Good
353 reviews
Delta
8.0
Very good
2,393 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 10

We paid for assigned seats but we were bumped to seats in the back and split up on both flights. I believe we deserve a refund for the seat charges.

United Airlines
7.6
Good
1,563 reviews
Delta
8.0
Very good
2,393 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 10

We paid for assigned seats but we were bumped to seats in the back and split up on both flights. I believe we deserve a refund for the seat charges.

KLM
7.6
Good
160 reviews
Delta
8.0
Very good
2,393 reviews

Entertainment

7.8

Boarding

8.1

Food

7.2

Crew

8.5

Comfort

7.9

Overall

8.0

Reviews

1 / 10

We paid for assigned seats but we were bumped to seats in the back and split up on both flights. I believe we deserve a refund for the seat charges.

Related info for your journey

Useful info, stats and facts about Illinois to London flights.

Departure points for flights from Illinois to London

Select to see more specific information for flights to London from all departure points in Illinois

Top 10 airlines flying from Illinois to London

The chart below displays the airlines Cheapflights users traveling from Illinois to London choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
IcelandairCheapest$374Average$729FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Icelandair flights
Scandinavian AirlinesCheapest$381Average$584FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest$397Average$690FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search TAP AIR PORTUGAL flights
Aer LingusCheapest$470Average$641FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Aer Lingus flights
British AirwaysCheapest$470Average$874FlexibilityNo cancel feeOn-time70%COVID-19 safety
Search British Airways flights
SWISSCheapest$522Average$933FlexibilityNo cancel feeOn-time79%COVID-19 safety
Search SWISS flights
Air CanadaCheapest$525Average$840FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights
American AirlinesCheapest$526Average$1,001FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
KLMCheapest$536Average$666FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search KLM flights
IberiaCheapest$543Average$713FlexibilityNo cancel feeOn-time77%COVID-19 safety
Search Iberia flights

Hourly flight availability from Illinois to London

See what time of day planes typically take off from Illinois to London
1%of flight departuresEarly morningMidnight to 6 am
10%of flight departuresMorning6 am to noon
29%of flight departuresAfternoonNoon to 6 pm
60%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM