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Cheap flights from Champaign to London from $658

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 2/17. 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.
Multiple Airlines Logo
11:21 am - 10:25 am
CMI
-
LHR
17h 04m1 stop
Multiple Airlines Logo
6:15 am - 8:58 pm
LHR
-
CMI
20h 43m2 stops
$658Multiple Airlines
Tue, Feb 17 - Wed, Feb 25
American Airlines Logo
6:00 am - 6:55 am
CMI
-
LHR
18h 55m1 stop
American Airlines Logo
8:20 am - 8:50 pm
LHR
-
CMI
18h 30m1 stop
$666American Airlines
Wed, Feb 18 - Tue, Feb 24
British Airways Logo
11:21 am - 6:55 am
CMI
-
LHR
13h 34m1 stop
British Airways Logo
7:05 pm - 8:58 pm
LHR
-
CMI
31h 53m2 stops
$669British Airways
Tue, Feb 17 - Tue, Feb 24
American Airlines Logo
12:19 pm - 7:00 am
CMI
-
LHR
12h 41m2 stops
American Airlines Logo
10:05 am - 8:50 pm
LHR
-
CMI
16h 45m2 stops
$670American Airlines
Wed, Feb 18 - Tue, Feb 24
British Airways Logo
11:21 am - 6:55 am
CMI
-
LHR
13h 34m1 stop
British Airways Logo
2:10 pm - 8:58 pm
LHR
-
CMI
12h 48m1 stop
$678British Airways
Tue, Feb 17 - Wed, Feb 25
British Airways Logo
11:21 am - 8:15 am
CMI
-
LHR
14h 54m1 stop
British Airways Logo
2:10 pm - 9:35 pm
LHR
-
CMI
13h 25m1 stop
$728British Airways
Tue, Feb 17 - Mon, Feb 23
British Airways Logo
2:15 pm - 10:25 am
CMI
-
LHR
14h 10m1 stop
British Airways Logo
3:45 pm - 9:35 pm
LHR
-
CMI
11h 50m1 stop
$778British Airways
Thu, Feb 19 - Mon, Feb 23
British Airways Logo
11:40 am - 11:35 am
CMI
-
LHR
17h 55m1 stop
British Airways Logo
7:05 pm - 9:35 pm
LHR
-
CMI
32h 30m2 stops
$857British Airways
Sun, Feb 15 - Thu, Feb 26
British Airways Logo
11:40 am - 8:15 am
CMI
-
LHR
14h 35m1 stop
British Airways Logo
12:35 pm - 9:35 pm
LHR
-
CMI
15h 00m1 stop
$866British Airways
Sun, Feb 15 - Thu, Feb 26
Multiple Airlines Logo
11:40 am - 6:55 am
CMI
-
LHR
13h 15m1 stop
Multiple Airlines Logo
5:45 pm - 9:35 pm
LHR
-
CMI
33h 50m2 stops
$876Multiple Airlines
Sun, Feb 15 - Sat, Feb 21

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 18
CMI6:00 amChampaign University-Willard
18h 55m
1 stop
LHR6:55 amLondon Heathrow
Feb 24
LHR8:20 amLondon Heathrow
18h 30m
1 stop
CMI8:50 pmChampaign University-Willard
$666
Find similar
American Airlines
Feb 18
CMI12:19 pmChampaign University-Willard
12h 41m
2 stops
LHR7:00 amLondon Heathrow
Feb 24
LHR10:05 amLondon Heathrow
16h 45m
2 stops
CMI8:50 pmChampaign University-Willard
$670
Find similar
American Airlines
Feb 16
CMI2:15 pmChampaign University-Willard
12h 25m
2 stops
LHR8:40 amLondon Heathrow
Feb 20
LHR12:10 pmLondon Heathrow
15h 25m
2 stops
CMI9:35 pmChampaign University-Willard
$1,704
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 17
CMI11:21 amChampaign University-Willard
13h 34m
1 stop
LHR6:55 amLondon Heathrow
Feb 24
LHR7:05 pmLondon Heathrow
31h 53m
2 stops
CMI8:58 pmChampaign University-Willard
$669
Find similar
British Airways
Feb 17
CMI11:21 amChampaign University-Willard
13h 34m
1 stop
LHR6:55 amLondon Heathrow
Feb 25
LHR2:10 pmLondon Heathrow
12h 48m
1 stop
CMI8:58 pmChampaign University-Willard
$678
Find similar
British Airways
Feb 17
CMI11:21 amChampaign University-Willard
14h 54m
1 stop
LHR8:15 amLondon Heathrow
Feb 23
LHR2:10 pmLondon Heathrow
13h 25m
1 stop
CMI9:35 pmChampaign University-Willard
$728
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 December 20, 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

Tue 2/17

11:21 am-10:25 am

1 stop17h 04m

London Heathrow

Wed 2/25

6:15 am-8:58 pm

2 stops20h 43m

$658

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 2/18

6:00 am-6:55 am

1 stop18h 55m

London Heathrow

Tue 2/24

8:20 am-8:50 pm

1 stop18h 30m

$666

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Tue 2/17

11:21 am-6:55 am

1 stop13h 34m

London Heathrow

Tue 2/24

7:05 pm-8:58 pm

2 stops31h 53m

$669

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Wed 2/18

12:19 pm-7:00 am

2 stops12h 41m

London Heathrow

Tue 2/24

10:05 am-8:50 pm

2 stops16h 45m

$670

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Tue 2/17

11:21 am-6:55 am

1 stop13h 34m

London Heathrow

Wed 2/25

2:10 pm-8:58 pm

1 stop12h 48m

$678

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Tue 2/17

11:21 am-8:15 am

1 stop14h 54m

London Heathrow

Mon 2/23

2:10 pm-9:35 pm

1 stop13h 25m

$728

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Thu 2/19

2:15 pm-10:25 am

1 stop14h 10m

London Heathrow

Mon 2/23

3:45 pm-9:35 pm

1 stop11h 50m

$778

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sun 2/15

11:40 am-11:35 am

1 stop17h 55m

London Heathrow

Thu 2/26

7:05 pm-9:35 pm

2 stops32h 30m

$857

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sun 2/15

11:40 am-8:15 am

1 stop14h 35m

London Heathrow

Thu 2/26

12:35 pm-9:35 pm

1 stop15h 00m

$866

ChampaignLondon

CMI - LHR

CMILHR

Champaign University-Willard

Sun 2/15

11:40 am-6:55 am

1 stop13h 15m

London Heathrow

Sat 2/21

5:45 pm-9:35 pm

2 stops33h 50m

$876

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

Fastest flight time

15h 20m

Direct flights

None
The fastest flight from Champaign to London Heathrow Airport takes 15h 20m
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 15h 20m.

  • 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
Stratford-upon-Avon
Crawley
Brentwood
Salisbury
Wembley
Watford
Ilford
Cobham
Folkestone
Romford
Richmond

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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