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 | $698 (Trip.com) |
|---|---|
One-way from | $344 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $1,035 |
Fly from
Fly to
Route
Depart
Return
Price
DallasLondon
DFW - LHR
DFWLHR
Dallas/Fort Worth
Wed 1/14
4:00 pm-5:40 pm
2 stops19h 40m
London Heathrow
Mon 1/19
7:05 am-12:27 am
3 stops23h 22m
DallasLondon
DFW - LHR
DFWLHR
Dallas/Fort Worth
Thu 1/8
7:20 am-6:50 pm
3 stops29h 30m
London Heathrow
Mon 1/12
6:40 am-10:11 pm
2 stops21h 31m
DallasLondon
DFW - LHR
DFWLHR
Dallas/Fort Worth
Tue 1/6
7:35 am-6:20 am
1 stop16h 45m
London Heathrow
Tue 1/13
8:40 am-10:50 pm
2 stops20h 10m
DallasLondon
DAL - LHR
DALLHR
Dallas Love Field
Wed 3/4
2:27 pm-11:40 am
1 stop15h 13m
London Heathrow
Thu 3/12
6:30 am-5:54 pm
2 stops16h 24m
DallasLondon
DAL - LHR
DALLHR
Dallas Love Field
Tue 1/20
10:25 am-10:30 am
2 stops18h 05m
London Heathrow
Fri 1/30
6:30 am-10:29 pm
2 stops21h 59m
DallasLondon
DAL - LHR
DALLHR
Dallas Love Field
Mon 1/19
6:38 pm-11:40 am
1 stop11h 02m
London Heathrow
Fri 1/30
8:55 am-5:47 pm
1 stop14h 52m
DallasLondon
DAL - LHR
DALLHR
Dallas Love Field
Mon 1/19
6:38 pm-11:40 am
1 stop11h 02m
London Heathrow
Wed 1/28
8:55 am-5:47 pm
1 stop14h 52m
DallasLondon
DAL - LHR
DALLHR
Dallas Love Field
Tue 4/21
12:01 pm-6:45 am
1 stop12h 44m
London Heathrow
Tue 4/28
6:15 am-10:31 pm
2 stops22h 16m
DallasLondon
DAL - LHR
DALLHR
Dallas Love Field
Tue 4/14
12:01 pm-1:30 pm
1 stop19h 29m
London Heathrow
Wed 4/22
11:30 am-10:31 pm
2 stops17h 01m
DallasLondon
DAL - LHR
DALLHR
Dallas Love Field
Wed 12/31
12:09 pm-6:25 am
1 stop12h 16m
London Heathrow
Fri 1/9
9:40 am-10:29 pm
2 stops18h 49m
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 $935). 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 Thursday (29 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (28 on average).
About 21% of weekly flights between Dallas and London have experienced delays in the past year, with the average delay time being 162 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 16% of flights being delayed.
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Anonymous,Sep 2025
WAW - HEL
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Anonymous,Sep 2025
WAW - HEL
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Anonymous,Sep 2025
WAW - HEL
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Anonymous,Sep 2025
WAW - HEL
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Anonymous,Sep 2025
WAW - HEL
Entertainment
Food
Boarding
Comfort
Crew
Overall
Reviews
Anonymous,Sep 2025
WAW - HEL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$116 | Average$728 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$542 | Average$894 | 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$1,062 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$610 | Average$929 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$628 | Average$868 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$636 | Average$1,041 | FlexibilityNo cancel fee | On-time76% |