DFW's Terminal D offers luxury lounges like the Capital One Lounge and Centurion Lounge, ideal for relaxing before your long flight to London.

Round-trip from | $724 (Mytrip) |
|---|---|
One-way from | $331 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $1,008 |
Fly from
Fly to
Route
Depart
Return
Price
DallasLondon
DFW - LHR
DFWLHR
Dallas/Fort Worth
Thu 1/22
1:18 pm-7:55 am
1 stop12h 37m
London Heathrow
Fri 1/30
10:25 am-6:21 pm
1 stop13h 56m
DallasLondon
DAL - LHR
DALLHR
Dallas Love Field
Tue 2/24
2:27 pm-7:50 am
1 stop11h 23m
London Heathrow
Mon 3/2
12:30 pm-10:31 pm
1 stop16h 01m
DallasLondon
DFW - LHR
DFWLHR
Dallas/Fort Worth
Sat 2/21
3:45 pm-6:50 am
Nonstop9h 05m
London Heathrow
Sun 3/1
4:15 pm-3:10 pm
1 stop28h 55m
DallasLondon
DAL - LHR
DALLHR
Dallas Love Field
Wed 4/29
6:37 pm-1:30 pm
1 stop12h 53m
London Heathrow
Sat 5/9
1:05 pm-10:31 pm
1 stop15h 26m
DallasLondon
DFW - LHR
DFWLHR
Dallas/Fort Worth
Wed 1/21
7:35 am-2:35 pm
3 stops25h 00m
London Heathrow
Sun 1/25
10:20 am-11:54 pm
2 stops19h 34m
DallasLondon
DFW - LHR
DFWLHR
Dallas/Fort Worth
Wed 12/31
1:29 pm-9:00 am
1 stop13h 31m
London Heathrow
Wed 1/7
12:30 pm-9:00 pm
1 stop14h 30m
DallasLondon
DFW - LHR
DFWLHR
Dallas/Fort Worth
Wed 12/31
7:00 am-9:40 am
2 stops20h 40m
London Heathrow
Thu 1/8
1:25 pm-9:39 pm
1 stop14h 14m
DallasLondon
DFW - LHR
DFWLHR
Dallas/Fort Worth
Thu 2/26
12:15 pm-6:40 am
1 stop12h 25m
London Heathrow
Mon 3/2
6:30 am-2:25 pm
1 stop13h 55m
DallasLondon
DFW - LHR
DFWLHR
Dallas/Fort Worth
Tue 12/16
10:20 am-5:55 am
1 stop13h 35m
London Heathrow
Wed 1/14
1:25 pm-9:39 pm
1 stop14h 14m
DallasLondon
DFW - LHR
DFWLHR
Dallas/Fort Worth
Wed 12/31
7:00 am-9:40 am
2 stops20h 40m
London Heathrow
Wed 1/7
6:00 pm-9:32 pm
1 stop33h 32m
Booking 17 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dallas to London Heathrow Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, March is the cheapest month in which you can book a flight from Dallas to London Heathrow Airport (average of $402). Flying from Dallas to London Heathrow Airport in June is currently the most expensive (average of $947). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s optimal to fly from Dallas to London Heathrow Airport in the evening. By choosing this option you can save up to 21% on the cost of your flight, compared to a flight in the morning.
Travelers seeking maximum savings on their Dallas to London Heathrow Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from A78 to LHR are scheduled on a Sunday (29 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (15 on average).
About 20% of weekly flights between Dallas and London have experienced delays in the past year, with the average delay time being 165 minutes.
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
Monday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Over the last year, British Airways have had the lowest number of delays on this route, with just 13% of flights being delayed.
Boarding
Comfort
Entertainment
Overall
Crew
Food
Reviews
Anonymous,Sep 2025
WAW - HEL
Boarding
Comfort
Entertainment
Overall
Crew
Food
Reviews
Anonymous,Sep 2025
WAW - HEL
Boarding
Comfort
Entertainment
Overall
Crew
Food
Reviews
Anonymous,Sep 2025
WAW - HEL
Boarding
Comfort
Entertainment
Overall
Crew
Food
Reviews
Anonymous,Sep 2025
WAW - HEL
Boarding
Comfort
Entertainment
Overall
Crew
Food
Reviews
Anonymous,Sep 2025
WAW - HEL
Boarding
Comfort
Entertainment
Overall
Crew
Food
Reviews
Anonymous,Sep 2025
WAW - HEL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$116 | Average$728 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$546 | Average$896 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$563 | Average$960 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$568 | Average$894 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$571 | Average$982 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$576 | Average$738 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$585 | Average$1,066 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$609 | Average$933 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$628 | Average$868 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$636 | Average$1,109 | FlexibilityNo cancel fee | On-time76% |