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Cheap flights from Champaign to London from $668

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 2/18. 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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Cheap round-trip flights

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British Airways Logo
12:19 pm - 8:35 amCMI-LHR
14h 16m1 stop
British Airways Logo
6:45 pm - 9:04 pmLHR-CMI
32h 19m2 stops
$668British Airways
Find Deal
mié., feb. 18 - mar., feb. 24
British Airways Logo
12:19 pm - 8:35 amCMI-LHR
14h 16m1 stop
British Airways Logo
7:40 pm - 9:34 pmLHR-CMI
31h 54m2 stops
$718British Airways
Find Deal
mié., feb. 18 - dom., feb. 22
British Airways Logo
12:19 pm - 6:55 amCMI-LHR
12h 36m1 stop
British Airways Logo
2:10 pm - 9:34 pmLHR-CMI
13h 24m1 stop
$731British Airways
Find Deal
mié., feb. 18 - lun., feb. 23
Multiple Airlines Logo
12:19 pm - 6:55 amCMI-LHR
12h 36m1 stop
Multiple Airlines Logo
6:15 am - 9:34 pmLHR-CMI
21h 19m2 stops
$733Multiple Airlines
Find Deal
mié., feb. 18 - lun., feb. 23
British Airways Logo
2:40 pm - 6:55 amCMI-LHR
10h 15m1 stop
British Airways Logo
3:45 pm - 9:34 pmLHR-CMI
11h 49m1 stop
$766British Airways
Find Deal
jue., feb. 19 - lun., feb. 23
American Airlines Logo
2:54 pm - 12:15 pmCMI-LHR
15h 21m1 stop
American Airlines Logo
11:40 am - 9:34 pmLHR-CMI
15h 54m2 stops
$772American Airlines
Find Deal
jue., feb. 19 - lun., feb. 23
British Airways Logo
2:40 pm - 8:35 amCMI-LHR
11h 55m1 stop
British Airways Logo
12:35 pm - 9:34 pmLHR-CMI
14h 59m1 stop
$781British Airways
Find Deal
vie., feb. 20 - lun., feb. 23
British Airways Logo
2:40 pm - 1:30 pmCMI-LHR
16h 50m2 stops
British Airways Logo
6:15 am - 9:34 pmLHR-CMI
21h 19m2 stops
$874British Airways
Find Deal
jue., feb. 19 - lun., feb. 23
American Airlines Logo
6:26 am - 8:40 amCMI-LHR
21h 14m2 stops
American Airlines Logo
2:25 pm - 9:27 pmLHR-CMI
13h 02m1 stop
$916American Airlines
Find Deal
vie., mar. 27 - mar., mar. 31
American Airlines Logo
1:16 pm - 8:40 amCMI-LHR
14h 24m2 stops
American Airlines Logo
9:45 am - 9:27 pmLHR-CMI
17h 42m2 stops
$921American Airlines
Find Deal
vie., mar. 27 - mar., mar. 31

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 19
CMI2:54 pmChampaign University-Willard
15h 21m
1 stop
LHR12:15 pmLondon Heathrow
Feb 23
LHR11:40 amLondon Heathrow
15h 54m
2 stops
CMI9:34 pmChampaign University-Willard
$772
Find similar
American Airlines
Mar 27
CMI6:26 amChampaign University-Willard
21h 14m
2 stops
LHR8:40 amLondon Heathrow
Mar 31
LHR2:25 pmLondon Heathrow
13h 02m
1 stop
CMI9:27 pmChampaign University-Willard
$916
Find similar
American Airlines
Mar 27
CMI1:16 pmChampaign University-Willard
14h 24m
2 stops
LHR8:40 amLondon Heathrow
Mar 31
LHR9:45 amLondon Heathrow
17h 42m
2 stops
CMI9:27 pmChampaign University-Willard
$921
Find similar

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 18
CMI12:19 pmChampaign University-Willard
14h 16m
1 stop
LHR8:35 amLondon Heathrow
Feb 24
LHR6:45 pmLondon Heathrow
32h 19m
2 stops
CMI9:04 pmChampaign University-Willard
$668
Find similar
British Airways
Feb 18
CMI12:19 pmChampaign University-Willard
14h 16m
1 stop
LHR8:35 amLondon Heathrow
Feb 22
LHR7:40 pmLondon Heathrow
31h 54m
2 stops
CMI9:34 pmChampaign University-Willard
$718
Find similar
British Airways
Feb 18
CMI12:19 pmChampaign University-Willard
12h 36m
1 stop
LHR6:55 amLondon Heathrow
Feb 23
LHR2:10 pmLondon Heathrow
13h 24m
1 stop
CMI9:34 pmChampaign University-Willard
$731
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 octubre 29, 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

mié. 2/18

12:19 pm-8:35 am

1 stop14h 16m

London Heathrow

mar. 2/24

6:45 pm-9:04 pm

2 stops32h 19m

$668

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

mié. 2/18

12:19 pm-8:35 am

1 stop14h 16m

London Heathrow

dom. 2/22

7:40 pm-9:34 pm

2 stops31h 54m

$718

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

mié. 2/18

12:19 pm-6:55 am

1 stop12h 36m

London Heathrow

lun. 2/23

2:10 pm-9:34 pm

1 stop13h 24m

$731

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

mié. 2/18

12:19 pm-6:55 am

1 stop12h 36m

London Heathrow

lun. 2/23

6:15 am-9:34 pm

2 stops21h 19m

$733

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

jue. 2/19

2:40 pm-6:55 am

1 stop10h 15m

London Heathrow

lun. 2/23

3:45 pm-9:34 pm

1 stop11h 49m

$766

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

jue. 2/19

2:54 pm-12:15 pm

1 stop15h 21m

London Heathrow

lun. 2/23

11:40 am-9:34 pm

2 stops15h 54m

$772

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

vie. 2/20

2:40 pm-8:35 am

1 stop11h 55m

London Heathrow

lun. 2/23

12:35 pm-9:34 pm

1 stop14h 59m

$781

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

jue. 2/19

2:40 pm-1:30 pm

2 stops16h 50m

London Heathrow

lun. 2/23

6:15 am-9:34 pm

2 stops21h 19m

$874

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

vie. 3/27

6:26 am-8:40 am

2 stops21h 14m

London Heathrow

mar. 3/31

2:25 pm-9:27 pm

1 stop13h 02m

$916

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

vie. 3/27

1:16 pm-8:40 am

2 stops14h 24m

London Heathrow

mar. 3/31

9:45 am-9:27 pm

2 stops17h 42m

$921

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.
Search flight deals

  • 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 10h 15m.

  • 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
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Stratford-upon-Avon
Brentwood
Salisbury
Chelmsford
Folkestone
Romford
Ilford
Swindon
Cobham
Wembley

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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