$329 Find Cheap Flights from Houston to London Heathrow Airport - Compare and Save

Among airlines operating Houston to London Heathrow Airport flights:

• British Airways: offers extra legroom; offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection
• American Airlines: offers extra legroom; offers free seat selection
• Iberia: offers free seat selection
• Brussels Airlines: offers extra legroom

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between Houston and London Heathrow Airport. The airlines offering nonstop flights on this route include:

• United Airlines
• British Airways

Flights from Houston to London Heathrow Airport may depart from several airports in Houston area, including Houston Hobby (HOU) and Houston George Bush Intcntl (IAH). Flights usually arrive at London Heathrow (LHR).

Here are some options for this route, based on selected ticket types and cabin classes:

• British Airways: a cabin bag and a checked bag in Economy Class
• United Airlines: a cabin bag and a checked bag in Economy Class
• American Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Four cabin classes are available on flights from Houston to London Heathrow Airport:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $646 round-trip via Atlanta Hartsfield-Jackson (ATL), compared to $949 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $37–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

One-stop flights from Houston to London Heathrow Airport most commonly connect through:

• Istanbul (IST) - 31% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 12% of one-stop connections
• Toronto Pearson Intl (YYZ) - 12% of one-stop connections
• New York John F Kennedy Intl (JFK) - 11% of one-stop connections

Istanbul (IST) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 14% on the Houston to London Heathrow Airport route. Wednesday is the cheapest departure day at $863 round-trip on average, while Monday is the most expensive at $1,000, a difference of $137. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Houston to London Heathrow Airport route, 20% of flights were delayed in the past 3 months, with delays averaging 2 hours 29 minutes.

Afternoon is the busiest departure period on Houston to London Heathrow Airport flights, with 50% of flights leaving in that window. Evening departures account for 25%, night flights for 25%, and morning flights for 0%.

Some of the most popular sights in London Heathrow Airport are Paddington Station, Central London and London Victoria Station. These are among the most viewed places in London Heathrow Airport on KAYAK.

These are the earliest and latest flight times available from Houston to London Heathrow Airport:

• Earliest: departs at 3:30 pm and lands at 12:43 am
• Latest: departs at 10:40 pm and lands at 7:53 am.

The flight takes about 9h 13m.

Last-minute fares on this route - booked within 2 weeks of departure - run 12% above the route average of $924. Book 4 weeks before departure for the lowest fares.

A nonstop flight from Houston to London Heathrow Airport takes 9h 13m, covering 4,833 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

One-way fares from Houston to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about $340, which is 36% below the typical average for this route.

Night flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 12h 47m, compared with 12h 54m via Atlanta Hartsfield-Jackson (ATL) and 12h 55m via Amsterdam Schiphol (AMS).

London Heathrow Airport is 6 hours ahead of Houston (British Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates starting from around $7 for economy cars. Top options include:
• GREEN MOTION
• DRIVALIA
• Europcar
• Alamo
• Hertz

Round-trip flights from Houston to London Heathrow Airport range from $708 to $1,211, with an average of $924 over the past 12 months. Anything below $708 counts as a good deal.

American Airlines is the only airline on the Houston to London Heathrow Airport route offering in-flight Wi-Fi. Pricing depends on fare class.