
Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $768 (United Airlines) |
One-way from | $326 (Expedia) |
Popular in | July |
Cheapest in | February |
Average price | $911 |
Fly from
Fly to
Route
Depart
Return
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Tue 3/16
9:00 am-9:00 pm
2 stops32h 00m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Wed 3/17
5:50 am-7:10 am
3 stops21h 20m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Thu 3/18
7:05 am-10:15 am
1 stop23h 10m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Mon 1/18
6:29 pm-4:50 pm
2 stops17h 21m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Tue 11/24
7:30 am-9:05 am
2 stops20h 35m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Wed 1/6
6:29 pm-3:35 pm
2 stops16h 06m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Tue 11/24
1:17 pm-8:35 am
1 stop14h 18m
London Heathrow
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Tue 3/2
3:29 pm-7:40 am
1 stop35h 11m
London Heathrow
Fri 3/5
6:50 am-5:07 pm
2 stops15h 17m
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Tue 3/23
9:00 am-9:00 pm
2 stops32h 00m
London Heathrow
Tue 4/6
2:05 pm-2:47 pm
2 stops29h 42m
LouisvilleLondon
SDF Louisville Intl - LHR London Heathrow
SDFLHR
Louisville Intl
Tue 3/16
3:24 pm-11:40 am
1 stop16h 16m
London Heathrow
Wed 3/31
6:30 am-5:40 pm
2 stops16h 10m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
Everything you need to know about your flight from Louisville to London Heathrow Airport
Crew
Boarding
Overall
Comfort
Entertainment
Food
Reviews
Ellen,Oct 2026
GRR - ATL
Crew
Boarding
Overall
Comfort
Entertainment
Food
Reviews
Ellen,Oct 2026
GRR - ATL
Crew
Boarding
Overall
Comfort
Entertainment
Food
Reviews
Ellen,Oct 2026
GRR - ATL
Crew
Boarding
Overall
Comfort
Entertainment
Food
Reviews
Ellen,Oct 2026
GRR - ATL
Crew
Boarding
Overall
Comfort
Entertainment
Food
Reviews
Ellen,Oct 2026
GRR - ATL
Find useful and relevant information for your journey from Louisville to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$450 | Average$1,083 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$606 | Average$1,115 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$676 | Average$1,058 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$743 | Average$1,142 | FlexibilityNo cancel fee | On-time69% |