$424 Cheap British Airways flights London (LHR) to Karachi (KHI)

Apply the “Price (lowest to highest)” filter on Expedia to look for cheap British Airways return flights from $642 from LHR to KHI. Affordable one-way tickets from $424 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

March is one of the least expensive months to fly to Karachi with British Airways. You could also find fantastic deals on one-way and round-trip fares in June.

Getting the best British Airways deals from LHR to KHI often comes down to timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. Better yet, you can pocket 17% on average by buying your tickets on a Sunday rather than a Friday, which is often the most expensive day to book.* It’s smart to kick off your flight search about one month before your departure date.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Use the “Nonstop” filter when searching for direct British Airways flights from LHR to KHI. It’s also a great way to compare other airlines servicing the same nonstop route.

Search British Airways’s earliest flights from LHR to KHI by checking our “Early Morning” and “Morning” filters. Not only will you arrive sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Jinnah Intl. Airport (KHI) is the main Karachi gateway for British Airways flights from Heathrow Airport (LHR).

On a standard economy flight with British Airways from LHR to KHI, passengers can bring 1 checked-in bag up to 50 lb with dimensions no larger than 29 inches x 15 inches x 16 inches in total. For hand luggage, you can have 2 cabin bags weighing up to 50 lb and measuring no more than 19 inches x 9 inches x 17 inches. Weight and size allowances can differ based on the airfare type and cabin class you’re in. To make sure you’re not hit with additional charges at the terminal, check your British Airways booking or go to the airline’s website before loading up your suitcase.

Traveling from LHR to KHI with British Airways comes with a variety of perks, including a 4-star airline rating and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to use on select future travel purchases. That’s in addition to the British Airways Executive Club points you can earn with British Airways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are generally free within 24 hours of making a booking, but your airline may charge you after that. For more details about modifying your reservation, check out your “Trips,” select your flight and click on “Manage Booking.” If you want the freedom to change your itinerary without additional costs, check the “No cancel fee” or “Changes included” filter when planning your next getaway.