Expect strict security at Heathrow. Ensure all liquids are in one small bag to avoid delays during manual screenings.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $774 (American Airlines) |
One-way from | $293 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $776 |
Good round-trip deal | $820 or less |
Good one-way deal | $871 or less |
Fly from
Fly to
Route
Depart
Return
Price
LondonAustin
LHR - AUS
LHRAUS
London Heathrow
Mon 1/12
12:10 pm-4:50 pm
Nonstop10h 40m
Austin Bergstrom
Mon 1/26
5:53 pm-11:40 am
1 stop11h 47m
LondonAustin
LHR - AUS
LHRAUS
London Heathrow
Wed 4/22
11:10 am-3:25 pm
Nonstop10h 15m
Austin Bergstrom
Sun 5/3
2:02 pm-6:20 am
1 stop34h 18m
LondonAustin
LHR - AUS
LHRAUS
London Heathrow
Fri 2/6
12:10 pm-4:50 pm
Nonstop10h 40m
Austin Bergstrom
Fri 2/13
1:26 pm-6:50 am
1 stop11h 24m
LondonAustin
LHR - AUS
LHRAUS
London Heathrow
Thu 3/5
3:00 pm-10:04 pm
1 stop13h 04m
Austin Bergstrom
Sun 3/8
7:30 pm-12:15 pm
1 stop11h 45m
LondonAustin
LHR - AUS
LHRAUS
London Heathrow
Wed 3/18
11:35 am-9:06 pm
1 stop14h 31m
Austin Bergstrom
Sun 3/22
5:57 pm-10:15 am
1 stop11h 18m
LondonAustin
LHR - AUS
LHRAUS
London Heathrow
Sat 2/7
12:10 pm-4:50 pm
Nonstop10h 40m
Austin Bergstrom
Thu 2/12
6:55 pm-10:05 am
Nonstop9h 10m
LondonAustin
LHR - AUS
LHRAUS
London Heathrow
Sat 2/7
12:10 pm-4:50 pm
Nonstop10h 40m
Austin Bergstrom
Wed 2/11
2:50 pm-8:40 am
1 stop11h 50m
LondonAustin
LHR - AUS
LHRAUS
London Heathrow
Wed 12/10
12:10 pm-4:50 pm
Nonstop10h 40m
Austin Bergstrom
Sun 1/11
6:55 pm-10:05 am
Nonstop9h 10m
LondonAustin
LHR - AUS
LHRAUS
London Heathrow
Tue 12/9
12:10 pm-4:50 pm
Nonstop10h 40m
Austin Bergstrom
Fri 1/9
7:00 pm-10:10 am
Nonstop9h 10m
LondonAustin
LHR - AUS
LHRAUS
London Heathrow
Thu 12/11
12:10 pm-4:50 pm
Nonstop10h 40m
Austin Bergstrom
Mon 1/12
4:59 pm-10:00 am
1 stop11h 01m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
Booking 25 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Austin. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Austin (average of $591). Flying from London Heathrow Airport to Austin in July is currently the most expensive (average of $738). 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.
When flying from London Heathrow Airport to Austin, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 31% versus a flight at noon.
About 21% of weekly flights between London and Austin have experienced delays in the past year, with the average delay time being 135 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Sunday tends to have the lowest number of delays on this route, whereas Monday 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 21% of flights being delayed.
Crew
Entertainment
Overall
Comfort
Food
Boarding
Reviews
Tim,Sep 2025
LHR - IAD
Crew
Entertainment
Overall
Comfort
Food
Boarding
Reviews
Tim,Sep 2025
LHR - IAD
Crew
Entertainment
Overall
Comfort
Food
Boarding
Reviews
Tim,Sep 2025
LHR - IAD
Crew
Entertainment
Overall
Comfort
Food
Boarding
Reviews
Tim,Sep 2025
LHR - IAD
Crew
Entertainment
Overall
Comfort
Food
Boarding
Reviews
Tim,Sep 2025
LHR - IAD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$630 | Average$952 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$640 | Average$908 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$655 | Average$867 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$669 | Average$905 | FlexibilityNo cancel fee | On-time71% |