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Cheap flights from Champaign to London from $779

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Champaign to London departing on 3/23. 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 round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:54 pm - 12:15 pm
CMI
-
LHR
16h 21m
1 stop
American Airlines Logo
12:55 pm - 8:54 pm
LHR
-
CMI
13h 59m
1 stop
$779American Airlines
Mon, Mar 23 - Mon, Mar 30
British Airways Logo
3:47 pm - 4:35 pm
CMI
-
LHR
19h 48m
2 stops
British Airways Logo
1:10 pm - 9:30 pm
LHR
-
CMI
14h 20m
1 stop
$858British Airways
Mon, Mar 23 - Mon, Mar 30
British Airways Logo
3:47 pm - 8:15 am
CMI
-
LHR
10h 28m
1 stop
British Airways Logo
10:45 am - 9:30 pm
LHR
-
CMI
39h 45m
2 stops
$913British Airways
Wed, Mar 4 - Sun, Mar 8
British Airways Logo
3:47 pm - 8:15 am
CMI
-
LHR
10h 28m
1 stop
British Airways Logo
12:35 pm - 9:30 pm
LHR
-
CMI
13h 55m
1 stop
$921British Airways
Wed, Mar 4 - Sun, Mar 8
British Airways Logo
3:47 pm - 2:20 pm
CMI
-
LHR
16h 33m
2 stops
British Airways Logo
7:05 pm - 9:30 pm
LHR
-
CMI
31h 25m
2 stops
$1,022British Airways
Wed, Mar 4 - Sun, Mar 8
American Airlines Logo
6:32 pm - 11:15 am
CMI
-
LHR
10h 43m
1 stop
American Airlines Logo
12:55 pm - 8:52 pm
LHR
-
CMI
13h 57m
1 stop
$1,090American Airlines
Wed, Jul 29 - Sun, Aug 9
American Airlines Logo
2:47 pm - 9:00 am
CMI
-
LHR
12h 13m
1 stop
American Airlines Logo
12:55 pm - 8:52 pm
LHR
-
CMI
13h 57m
1 stop
$1,091American Airlines
Wed, Jul 29 - Sun, Aug 9
Iberia Logo
11:40 am - 10:35 am
CMI
-
LHR
16h 55m
2 stops
Iberia Logo
12:15 pm - 9:37 pm
LHR
-
CMI
15h 22m
1 stop
$1,155Iberia
Wed, Jul 29 - Sun, Aug 9
Iberia Logo
11:40 am - 10:35 am
CMI
-
LHR
16h 55m
2 stops
Iberia Logo
11:10 am - 6:06 pm
LHR
-
CMI
12h 56m
1 stop
$1,180Iberia
Wed, Jul 29 - Sun, Aug 9
Multiple Airlines Logo
11:40 am - 9:05 am
CMI
-
LHR
15h 25m
1 stop
Multiple Airlines Logo
6:15 am - 9:37 pm
LHR
-
CMI
21h 22m
2 stops
$1,218Multiple Airlines
Wed, Jul 29 - Sun, Aug 9

American Airlines flights from Champaign to London

Our best American Airlines deals on Champaign to London flight tickets
American Airlines
Mar 23
CMI2:54 pmChampaign University-Willard
16h 21m
1 stop
LHR12:15 pmLondon Heathrow
Mar 30
LHR12:55 pmLondon Heathrow
13h 59m
1 stop
CMI8:54 pmChampaign University-Willard
$779
American Airlines
Jul 29
CMI6:32 pmChampaign University-Willard
10h 43m
1 stop
LHR11:15 amLondon Heathrow
Aug 9
LHR12:55 pmLondon Heathrow
13h 57m
1 stop
CMI8:52 pmChampaign University-Willard
$1,090
American Airlines
Jul 29
CMI2:47 pmChampaign University-Willard
12h 13m
1 stop
LHR9:00 amLondon Heathrow
Aug 9
LHR12:55 pmLondon Heathrow
13h 57m
1 stop
CMI8:52 pmChampaign University-Willard
$1,091

Iberia flights from Champaign to London

Our best Iberia deals on Champaign to London flight tickets
Iberia
Jul 29
CMI11:40 amChampaign University-Willard
16h 55m
2 stops
LHR10:35 amLondon Heathrow
Aug 9
LHR12:15 pmLondon Heathrow
15h 22m
1 stop
CMI9:37 pmChampaign University-Willard
$1,155
Iberia
Jul 29
CMI11:40 amChampaign University-Willard
16h 55m
2 stops
LHR10:35 amLondon Heathrow
Aug 9
LHR9:45 amLondon Heathrow
14h 21m
1 stop
CMI6:06 pmChampaign University-Willard
$1,180
Iberia
Jul 29
CMI11:40 amChampaign University-Willard
16h 55m
2 stops
LHR10:35 amLondon Heathrow
Aug 9
LHR6:15 amLondon Heathrow
21h 22m
2 stops
CMI9:37 pmChampaign University-Willard
$1,348

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated February 7, 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

Mon 3/23

2:54 pm-12:15 pm

1 stop16h 21m

London Heathrow

Mon 3/30

12:55 pm-8:54 pm

1 stop13h 59m

$779

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Mon 3/23

3:47 pm-4:35 pm

2 stops19h 48m

London Heathrow

Mon 3/30

1:10 pm-9:30 pm

1 stop14h 20m

$858

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 3/4

3:47 pm-8:15 am

1 stop10h 28m

London Heathrow

Sun 3/8

10:45 am-9:30 pm

2 stops39h 45m

$913

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 3/4

3:47 pm-8:15 am

1 stop10h 28m

London Heathrow

Sun 3/8

12:35 pm-9:30 pm

1 stop13h 55m

$921

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 3/4

3:47 pm-2:20 pm

2 stops16h 33m

London Heathrow

Sun 3/8

7:05 pm-9:30 pm

2 stops31h 25m

$1,022

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 7/29

6:32 pm-11:15 am

1 stop10h 43m

London Heathrow

Sun 8/9

12:55 pm-8:52 pm

1 stop13h 57m

$1,090

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 7/29

2:47 pm-9:00 am

1 stop12h 13m

London Heathrow

Sun 8/9

12:55 pm-8:52 pm

1 stop13h 57m

$1,091

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 7/29

11:40 am-10:35 am

2 stops16h 55m

London Heathrow

Sun 8/9

12:15 pm-9:37 pm

1 stop15h 22m

$1,155

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 7/29

11:40 am-10:35 am

2 stops16h 55m

London Heathrow

Sun 8/9

11:10 am-6:06 pm

1 stop12h 56m

$1,180

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 7/29

11:40 am-9:05 am

1 stop15h 25m

London Heathrow

Sun 8/9

6:15 am-9:37 pm

2 stops21h 22m

$1,218

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to London from

How to get the cheapest flight ticket from Champaign to London

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 airlines fly to London?

British Airways, American Airlines and United Airlines are the top three most popular airlines that fly to London from Champaign according to our data. British Airways is the first choice among our users, with 54% of people opting to fly with this airline when traveling to London. Keep in mind that there are 3 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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 round-trip 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

9h 54m

Direct flights

None
The fastest flight from Champaign to London takes 9h 54m
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?

    London is 4047.2 mi away from Champaign University-Willard. In terms of flight time, this usually takes a little over 9h 54m.

  • 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 for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Champaign University-Willard Airport to London.

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

    The required travel and health documents for your London trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Guildford
Crawley
Wembley
Dartford
Hayes
Croydon
Brentwood
Harrow
Watford
Cobham
Folkestone
Romford
Stansted
Richmond

Why use momondo?

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

Finding the right flight to London from Champaign is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

All flight searches from Champaign to London on momondo can be filtered to show those which offer flexible booking policies.

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, organize 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