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Cheap flights from Champaign to London from £563

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Champaign to London departing on 20/4. 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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Find the cheapest flights from Champaign to London

Cheap return flights

Enter your travel dates to find the best prices.
Iberia Logo
18:58 - 12:15
CMI
-
LHR
11h 17m
1 stop
Iberia Logo
19:10 - 18:28
LHR
-
CMI
29h 18m
2 stops
£563Iberia
Mon, 20 Apr - Mon, 27 Apr
Iberia Logo
14:38 - 17:15
CMI
-
LHR
20h 37m
2 stops
Iberia Logo
20:00 - 18:28
LHR
-
CMI
28h 28m
2 stops
£569Iberia
Mon, 20 Apr - Mon, 27 Apr
British Airways Logo
14:38 - 06:50
CMI
-
LHR
10h 12m
1 stop
British Airways Logo
12:15 - 18:28
LHR
-
CMI
12h 13m
1 stop
£595British Airways
Mon, 20 Apr - Mon, 27 Apr
United Airlines Logo
09:49 - 06:45
CMI
-
LHR
14h 56m
1 stop
United Airlines Logo
11:05 - 17:28
LHR
-
CMI
12h 23m
1 stop
£598United Airlines
Wed, 12 Aug - Sat, 22 Aug
United Airlines Logo
09:49 - 06:45
CMI
-
LHR
14h 56m
1 stop
United Airlines Logo
08:00 - 23:59
LHR
-
CMI
21h 59m
1 stop
£904United Airlines
Wed, 29 Jul - Sun, 9 Aug
United Airlines Logo
09:49 - 06:45
CMI
-
LHR
14h 56m
1 stop
United Airlines Logo
08:00 - 23:59
LHR
-
CMI
21h 59m
1 stop
£905United Airlines
Wed, 29 Jul - Sun, 9 Aug
United Airlines Logo
13:32 - 06:45
CMI
-
LHR
11h 13m
1 stop
United Airlines Logo
08:00 - 17:38
LHR
-
CMI
15h 38m
1 stop
£906United Airlines
Wed, 29 Jul - Sun, 9 Aug
Iberia Logo
18:44 - 10:30
CMI
-
LHR
9h 46m
1 stop
Iberia Logo
06:15 - 21:08
LHR
-
CMI
20h 53m
2 stops
£921Iberia
Fri, 12 Jun - Fri, 19 Jun
British Airways Logo
18:32 - 12:15
CMI
-
LHR
11h 43m
1 stop
British Airways Logo
20:00 - 21:37
LHR
-
CMI
31h 37m
2 stops
£936British Airways
Wed, 29 Jul - Sun, 9 Aug
British Airways Logo
18:32 - 18:55
CMI
-
LHR
18h 23m
2 stops
British Airways Logo
13:35 - 21:37
LHR
-
CMI
38h 02m
2 stops
£992British Airways
Wed, 29 Jul - Sun, 9 Aug

Iberia flights from Champaign to London

Our best Iberia deals on Champaign to London flight tickets
Iberia
20 Apr
CMI18:58Champaign University-Willard
11h 17m
1 stop
LHR12:15London Heathrow
27 Apr
LHR19:10London Heathrow
29h 18m
2 stops
CMI18:28Champaign University-Willard
£563
Iberia
20 Apr
CMI14:38Champaign University-Willard
20h 37m
2 stops
LHR17:15London Heathrow
27 Apr
LHR20:00London Heathrow
28h 28m
2 stops
CMI18:28Champaign University-Willard
£569
Iberia
12 Jun
CMI18:44Champaign University-Willard
9h 46m
1 stop
LHR10:30London Heathrow
19 Jun
LHR06:15London Heathrow
20h 53m
2 stops
CMI21:08Champaign University-Willard
£921

United Airlines flights from Champaign to London

Our best United Airlines deals on Champaign to London flight tickets
United Airlines
12 Aug
CMI09:49Champaign University-Willard
14h 56m
1 stop
LHR06:45London Heathrow
22 Aug
LHR11:05London Heathrow
12h 23m
1 stop
CMI17:28Champaign University-Willard
£598
United Airlines
29 Jul
CMI09:49Champaign University-Willard
14h 56m
1 stop
LHR06:45London Heathrow
9 Aug
LHR08:00London Heathrow
21h 59m
1 stop
CMI23:59Champaign University-Willard
£904
United Airlines
29 Jul
CMI09:49Champaign University-Willard
14h 56m
1 stop
LHR06:45London Heathrow
9 Aug
LHR08:00London Heathrow
21h 59m
1 stop
CMI23:59Champaign University-Willard
£905

momondo Fare Finder

 
Customise your flight search to find flights from Champaign to London 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 8 March 2026.
Use the filters below to find and compare flights from Champaign to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Mon 20/4

18:58-12:15

1 stop11h 17m

London Heathrow

Mon 27/4

19:10-18:28

2 stops29h 18m

£563

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Mon 20/4

14:38-17:15

2 stops20h 37m

London Heathrow

Mon 27/4

20:00-18:28

2 stops28h 28m

£569
Fastest return journey

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Mon 20/4

14:38-06:50

1 stop10h 12m

London Heathrow

Mon 27/4

12:15-18:28

1 stop12h 13m

£595

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 12/8

09:49-06:45

1 stop14h 56m

London Heathrow

Sat 22/8

11:05-17:28

1 stop12h 23m

£598

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 29/7

09:49-06:45

1 stop14h 56m

London Heathrow

Sun 9/8

08:00-23:59

1 stop21h 59m

£904

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 29/7

09:49-06:45

1 stop14h 56m

London Heathrow

Sun 9/8

08:00-23:59

1 stop21h 59m

£905

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 29/7

13:32-06:45

1 stop11h 13m

London Heathrow

Sun 9/8

08:00-17:38

1 stop15h 38m

£906

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Fri 12/6

18:44-10:30

1 stop9h 46m

London Heathrow

Fri 19/6

06:15-21:08

2 stops20h 53m

£921

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 29/7

18:32-12:15

1 stop11h 43m

London Heathrow

Sun 9/8

20:00-21:37

2 stops31h 37m

£936

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 29/7

18:32-18:55

2 stops18h 23m

London Heathrow

Sun 9/8

13:35-21:37

2 stops38h 02m

£992

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Champaign to London

Are you open to changing your travel dates? Check out the ideal times to fly from Champaign to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Champaign to London (CMI to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Champaign to London

Fastest flight time

10h 22m

Direct flights

None
The fastest flight from Champaign to London takes 10h 22m
There are no direct flights from Champaign to London. There are no popular flight routes from Champaign to London.
Search flight deals

  • How far is Champaign University-Willard to London by plane?

    The distance between Champaign University-Willard and London is about 4047.2 mi. 10h 22m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Champaign University-Willard Airport to London?

    Prices for flights from Champaign University-Willard Airport to London were last updated today.

  • How old do you have to be to fly from Champaign University-Willard Airport to London?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Champaign University-Willard Airport to London.

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

    The necessary travel and health documents for your London 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.

  • How do I get Price Alerts for flights from Champaign to London?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Champaign from London. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Champaign to London with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • 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
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Southend-on-Sea
Canterbury
Ipswich
Ilford
Wembley
Guildford
Chelmsford
Hayes
Dover
Folkestone
Worthing
Colchester
Bedford
Ramsgate

Why use momondo?

Why should I use momondo to find a flight deal from Champaign to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Champaign to London . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Champaign to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Champaign which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Champaign to London?

momondo helps you find the best flight between Champaign 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 Champaign 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 Champaign and alert you when they change.

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport