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Cheap flights from Champaign to London from £499

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 6/5. 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.
British Airways Logo
18:58 - 11:15
CMI
-
LHR
10h 17m
1 stop
British Airways Logo
19:25 - 21:34
LHR
-
CMI
32h 09m
2 stops
£499British Airways
Wed, 6 May - Tue, 12 May
United Airlines Logo
19:00 - 11:45
CMI
-
LHR
10h 45m
1 stop
United Airlines Logo
08:00 - 17:26
LHR
-
CMI
15h 26m
1 stop
£503United Airlines
Wed, 6 May - Tue, 12 May
British Airways Logo
14:28 - 06:50
CMI
-
LHR
10h 22m
1 stop
British Airways Logo
06:15 - 21:34
LHR
-
CMI
21h 19m
2 stops
£518British Airways
Thu, 7 May - Wed, 13 May
British Airways Logo
14:28 - 06:50
CMI
-
LHR
10h 22m
1 stop
British Airways Logo
12:15 - 18:24
LHR
-
CMI
12h 09m
1 stop
£537British Airways
Thu, 7 May - Wed, 13 May
Iberia Logo
14:29 - 10:35
CMI
-
LHR
14h 06m
2 stops
Iberia Logo
06:15 - 21:34
LHR
-
CMI
21h 19m
2 stops
£539Iberia
Thu, 7 May - Wed, 13 May
Iberia Logo
14:29 - 13:30
CMI
-
LHR
17h 01m
2 stops
Iberia Logo
06:15 - 18:24
LHR
-
CMI
18h 09m
2 stops
£545Iberia
Wed, 6 May - Tue, 12 May
American Airlines Logo
15:47 - 11:15
CMI
-
LHR
13h 28m
1 stop
American Airlines Logo
12:55 - 20:54
LHR
-
CMI
13h 59m
1 stop
£582American Airlines
Sun, 29 Mar - Sun, 5 Apr
British Airways Logo
15:47 - 11:15
CMI
-
LHR
13h 28m
1 stop
British Airways Logo
15:20 - 21:30
LHR
-
CMI
36h 10m
2 stops
£599British Airways
Sun, 29 Mar - Sun, 5 Apr
British Airways Logo
15:47 - 22:15
CMI
-
LHR
24h 28m
2 stops
British Airways Logo
15:20 - 21:30
LHR
-
CMI
36h 10m
2 stops
£646British Airways
Sun, 29 Mar - Sun, 5 Apr
British Airways Logo
15:47 - 08:15
CMI
-
LHR
10h 28m
1 stop
British Airways Logo
15:45 - 21:30
LHR
-
CMI
34h 45m
2 stops
£668British Airways
Wed, 4 Mar - Sun, 8 Mar

American Airlines flights from Champaign to London

Our best American Airlines deals on Champaign to London flight tickets
American Airlines
29 Mar
CMI15:47Champaign University-Willard
13h 28m
1 stop
LHR11:15London Heathrow
5 Apr
LHR12:55London Heathrow
13h 59m
1 stop
CMI20:54Champaign University-Willard
£582
American Airlines
29 Jul
CMI14:47Champaign University-Willard
12h 13m
1 stop
LHR09:00London Heathrow
9 Aug
LHR12:55London Heathrow
13h 57m
1 stop
CMI20:52Champaign University-Willard
£798

Iberia flights from Champaign to London

Our best Iberia deals on Champaign to London flight tickets
Iberia
7 May
CMI14:29Champaign University-Willard
14h 06m
2 stops
LHR10:35London Heathrow
13 May
LHR06:15London Heathrow
21h 19m
2 stops
CMI21:34Champaign University-Willard
£539
Iberia
6 May
CMI14:29Champaign University-Willard
17h 01m
2 stops
LHR13:30London Heathrow
12 May
LHR06:15London Heathrow
18h 09m
2 stops
CMI18:24Champaign University-Willard
£545
Iberia
29 Jul
CMI18:32Champaign University-Willard
15h 48m
2 stops
LHR16:20London Heathrow
9 Aug
LHR14:45London Heathrow
12h 52m
1 stop
CMI21:37Champaign University-Willard
£846

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 14 February 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

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 6/5

18:58-11:15

1 stop10h 17m

London Heathrow

Tue 12/5

19:25-21:34

2 stops32h 09m

£499

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 6/5

19:00-11:45

1 stop10h 45m

London Heathrow

Tue 12/5

08:00-17:26

1 stop15h 26m

£503

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 7/5

14:28-06:50

1 stop10h 22m

London Heathrow

Wed 13/5

06:15-21:34

2 stops21h 19m

£518

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 7/5

14:28-06:50

1 stop10h 22m

London Heathrow

Wed 13/5

12:15-18:24

1 stop12h 09m

£537

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 7/5

14:29-10:35

2 stops14h 06m

London Heathrow

Wed 13/5

06:15-21:34

2 stops21h 19m

£539

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 6/5

14:29-13:30

2 stops17h 01m

London Heathrow

Tue 12/5

06:15-18:24

2 stops18h 09m

£545

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sun 29/3

15:47-11:15

1 stop13h 28m

London Heathrow

Sun 5/4

12:55-20:54

1 stop13h 59m

£582

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sun 29/3

15:47-11:15

1 stop13h 28m

London Heathrow

Sun 5/4

15:20-21:30

2 stops36h 10m

£599

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sun 29/3

15:47-22:15

2 stops24h 28m

London Heathrow

Sun 5/4

15:20-21:30

2 stops36h 10m

£646

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 4/3

15:47-08:15

1 stop10h 28m

London Heathrow

Sun 8/3

15:45-21:30

2 stops34h 45m

£668

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 17m

Direct flights

None
The fastest flight from Champaign to London takes 10h 17m
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 17m 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
Slough
Maidstone
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Chelmsford
Hayes
Wembley
Dover
Folkestone
Colchester
Bedford
Worthing
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.

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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