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Cheap flights from Champaign to London from $700

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 2/7. 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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Find the cheapest flights from Champaign to London

Cheap round-trip flights

British Airways Logo
1:12 pm - 6:55 amCMI-LHR
11h 43m1 stop
British Airways Logo
3:45 pm - 9:25 pmLHR-CMI
11h 40m1 stop
$700British Airways
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Sat, Feb 7 - Sat, Feb 14
American Airlines Logo
1:12 pm - 8:40 amCMI-LHR
13h 28m2 stops
American Airlines Logo
12:35 pm - 9:25 pmLHR-CMI
14h 50m1 stop
$706American Airlines
Find Deal
Sat, Feb 7 - Sat, Feb 14
American Airlines Logo
3:15 pm - 10:00 amCMI-LHR
12h 45m1 stop
American Airlines Logo
2:10 pm - 9:29 pmLHR-CMI
13h 19m1 stop
$716American Airlines
Find Deal
Mon, Nov 3 - Sat, Nov 15
American Airlines Logo
3:15 pm - 10:00 amCMI-LHR
12h 45m1 stop
American Airlines Logo
10:05 am - 8:30 pmLHR-CMI
16h 25m1 stop
$766American Airlines
Find Deal
Sun, Nov 2 - Sat, Nov 15
Logo
1:50 pm - 2:20 pmCMI-LHR
18h 30m2 stops
Logo
6:15 am - 7:26 pmLHR-CMI
19h 11m2 stops
$776
Find Deal
Mon, Nov 3 - Sat, Nov 15
British Airways Logo
1:50 pm - 2:20 pmCMI-LHR
18h 30m2 stops
British Airways Logo
11:00 am - 7:26 pmLHR-CMI
14h 26m1 stop
$780British Airways
Find Deal
Mon, Nov 3 - Sat, Nov 15
British Airways Logo
1:50 pm - 2:20 pmCMI-LHR
18h 30m2 stops
British Airways Logo
2:10 pm - 9:29 pmLHR-CMI
13h 19m1 stop
$781British Airways
Find Deal
Mon, Nov 3 - Sat, Nov 15
British Airways Logo
1:50 pm - 2:20 pmCMI-LHR
18h 30m2 stops
British Airways Logo
7:40 pm - 7:26 pmLHR-CMI
29h 46m2 stops
$787British Airways
Find Deal
Mon, Nov 3 - Sat, Nov 15
American Airlines Logo
1:20 pm - 11:35 amCMI-LHR
16h 15m1 stop
American Airlines Logo
11:05 am - 9:27 pmLHR-CMI
15h 22m2 stops
$884American Airlines
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Fri, Mar 6 - Tue, Mar 10
American Airlines Logo
1:20 pm - 11:15 amCMI-LHR
15h 55m2 stops
American Airlines Logo
11:05 am - 9:27 pmLHR-CMI
15h 22m2 stops
$889American Airlines
Find Deal
Fri, Mar 6 - Tue, Mar 10

British Airways flights from Champaign to London Heathrow Airport

Our best British Airways deals on Champaign to London Heathrow Airport flight tickets
British Airways
Feb 7
CMI1:12 pmChampaign University-Willard
11h 43m
1 stop
LHR6:55 amLondon Heathrow
Feb 14
LHR3:45 pmLondon Heathrow
11h 40m
1 stop
CMI9:25 pmChampaign University-Willard
$700
Find similar
British Airways
Nov 3
CMI1:50 pmChampaign University-Willard
18h 30m
2 stops
LHR2:20 pmLondon Heathrow
Nov 15
LHR11:00 amLondon Heathrow
14h 26m
1 stop
CMI7:26 pmChampaign University-Willard
$780
Find similar
British Airways
Nov 3
CMI1:50 pmChampaign University-Willard
18h 30m
2 stops
LHR2:20 pmLondon Heathrow
Nov 15
LHR2:10 pmLondon Heathrow
13h 19m
1 stop
CMI9:29 pmChampaign University-Willard
$781
Find similar

American Airlines flights from Champaign to London Heathrow Airport

Our best American Airlines deals on Champaign to London Heathrow Airport flight tickets
American Airlines
Feb 7
CMI1:12 pmChampaign University-Willard
13h 28m
2 stops
LHR8:40 amLondon Heathrow
Feb 14
LHR12:35 pmLondon Heathrow
14h 50m
1 stop
CMI9:25 pmChampaign University-Willard
$706
Find similar
American Airlines
Nov 3
CMI3:15 pmChampaign University-Willard
12h 45m
1 stop
LHR10:00 amLondon Heathrow
Nov 15
LHR2:10 pmLondon Heathrow
13h 19m
1 stop
CMI9:29 pmChampaign University-Willard
$716
Find similar
American Airlines
Nov 2
CMI3:15 pmChampaign University-Willard
12h 45m
1 stop
LHR10:00 amLondon Heathrow
Nov 15
LHR10:05 amLondon Heathrow
16h 25m
1 stop
CMI8:30 pmChampaign University-Willard
$766
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Champaign to London Heathrow Airport 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 September 9, 2025.
Use the filters below to find and compare flights from Champaign to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sat 2/7

1:12 pm-6:55 am

1 stop11h 43m

London Heathrow

Sat 2/14

3:45 pm-9:25 pm

1 stop11h 40m

$700

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sat 2/7

1:12 pm-8:40 am

2 stops13h 28m

London Heathrow

Sat 2/14

12:35 pm-9:25 pm

1 stop14h 50m

$706

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Mon 11/3

3:15 pm-10:00 am

1 stop12h 45m

London Heathrow

Sat 11/15

2:10 pm-9:29 pm

1 stop13h 19m

$716

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sun 11/2

3:15 pm-10:00 am

1 stop12h 45m

London Heathrow

Sat 11/15

10:05 am-8:30 pm

1 stop16h 25m

$766

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Mon 11/3

1:50 pm-2:20 pm

2 stops18h 30m

London Heathrow

Sat 11/15

6:15 am-7:26 pm

2 stops19h 11m

$776

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Mon 11/3

1:50 pm-2:20 pm

2 stops18h 30m

London Heathrow

Sat 11/15

11:00 am-7:26 pm

1 stop14h 26m

$780

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Mon 11/3

1:50 pm-2:20 pm

2 stops18h 30m

London Heathrow

Sat 11/15

2:10 pm-9:29 pm

1 stop13h 19m

$781

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Mon 11/3

1:50 pm-2:20 pm

2 stops18h 30m

London Heathrow

Sat 11/15

7:40 pm-7:26 pm

2 stops29h 46m

$787

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Fri 3/6

1:20 pm-11:35 am

1 stop16h 15m

London Heathrow

Tue 3/10

11:05 am-9:27 pm

2 stops15h 22m

$884

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Fri 3/6

1:20 pm-11:15 am

2 stops15h 55m

London Heathrow

Tue 3/10

11:05 am-9:27 pm

2 stops15h 22m

$889

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 Heathrow Airport

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 cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Friday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $1,086. The most expensive day to fly to London Heathrow Airport is Wednesday, with ticket prices averaging around $1,358.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Champaign to London Heathrow Airport in the afternoon for as low as $1,026. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $1,150.

When to book flights from Champaign to London Heathrow Airport

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

Cheap Champaign to London Heathrow Airport (CMI to LHR) flight deals and tips

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

Direct flights

None
There are no direct flights from Champaign to London Heathrow Airport. There are no popular flight routes from Champaign to London Heathrow Airport.
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  • How far is Champaign University-Willard to London Heathrow by plane?

    Champaign University-Willard and London Heathrow are 4035.4 mi apart from one another. In terms of flight time, this usually takes a little over 11h 43m.

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

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

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

    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 Heathrow Airport.

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

    The required travel and health documents for your London Heathrow Airport 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 Heathrow Airport. 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
Dover
Luton
Slough
Milton Keynes
Hayes
Guildford
Dartford
Crawley
Stansted
Chelmsford
Salisbury
Brentwood
Ilford
Folkestone
Colchester
Swindon
Stratford-upon-Avon
Watford

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Champaign to London. momondo saves you time and could save you money on your trip.

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 provides multiple filters to help you find the best flight to London from Champaign. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Champaign to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from Champaign are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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