Trip.com
>
Flights
>
Flights to Pakistan
>
Flights to Sindh
>
Flights to Karachi
Hotels in Karachi
>
Flights from Houston to Karachi

Search cheap flights from Houston to Karachi in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$638, and round-trip tickets start at US$1,371.

      • IAH 18:15
        21h 30m
        1 stop
        KHI 01:45
        Houston - Karachi | Fri, Jun 26 | Qatar Airways
        KHI 10:15
        39h 40m
        1 stop
        IAH 15:55
        Karachi - Houston | Fri, Jul 3 | Qatar Airways
        US$1,371 US$1,926
        28% off
        28% off
        US$1,926 US$1,371
      • IAH 18:15
        21h 30m
        1 stop
        KHI 01:45
        Houston - Karachi | Sun, Jul 12 | Qatar Airways
        KHI 10:15
        39h 40m
        1 stop
        IAH 15:55
        Karachi - Houston | Tue, Jul 14 | Qatar Airways
        US$1,508 US$1,926
        22% off
        22% off
        US$1,926 US$1,508
      • IAH 19:35
        29h 10m
        1 stop
        KHI 10:45
        Houston - Karachi | Fri, Jun 26 | Emirates
        KHI 02:45
        24h 5m
        1 stop
        IAH 16:50
        Karachi - Houston | Fri, Jul 3 | Emirates
        US$1,599 US$1,926
        17% off
        17% off
        US$1,926 US$1,599
      • IAH 21:05
        25h
        1 stop
        KHI 08:05
        Houston - Karachi | Fri, Jun 26 | Turkish Airlines
        KHI 05:50
        23h 20m
        1 stop
        IAH 19:10
        Karachi - Houston | Fri, Jul 3 | Turkish Airlines
        US$1,733
        10% off
        US$1,926 US$1,733
      • IAH 20:20
        19h 25m
        1 stop
        KHI 01:45
        Houston - Karachi | Thu, Jun 11 | Qatar Airways
        KHI 10:15
        41h 45m
        1 stop
        IAH 18:00
        Karachi - Houston | Sat, Jun 13 | Qatar Airways
        US$1,791
        7% off
        US$1,926 US$1,791
      • HOU 13:00
        17h 25m
        1 stop
        KHI 14:00
        Houston - Karachi | Thu, May 21 | Normal Airline
        KHI 15:00
        6h
        Nonstop
        HOU 16:00
        Karachi - Houston | Sat, May 23 | Normal Airline
        Find more flights
        Find more flights
      • IAH 18:15
        21h 30m
        1 stop
        KHI 01:45
        Houston - Karachi | Thu, Jul 16 | Qatar Airways
        US$638 US$847
        25% off
        25% off
        US$847 US$638
      • IAH 18:15
        21h 30m
        1 stop
        KHI 01:45
        Houston - Karachi | Tue, Jul 14 | Qatar Airways
        US$671 US$847
        21% off
        21% off
        US$847 US$671
      • IAH 18:15
        21h 30m
        1 stop
        KHI 01:45
        Houston - Karachi | Wed, Jul 15 | Qatar Airways
        US$684 US$847
        19% off
        19% off
        US$847 US$684
      • IAH 18:15
        27h
        1 stop
        KHI 07:15
        Houston - Karachi | Tue, Jul 7 | Qatar Airways
        US$696
        18% off
        US$847 US$696
      • IAH 18:15
        21h 30m
        1 stop
        KHI 01:45
        Houston - Karachi | Tue, Jun 23 | Qatar Airways
        US$769
        9% off
        US$847 US$769
      • IAH 18:15
        21h 30m
        1 stop
        KHI 01:45
        Houston - Karachi | Mon, Jul 13 | Qatar Airways
        US$772
        9% off
        US$847 US$772
      • IAH 18:15
        21h 30m
        1 stop
        KHI 01:45
        Houston - Karachi | Mon, Jun 29 | Qatar Airways
        US$782
        8% off
        US$847 US$782
      • IAH 18:15
        21h 30m
        1 stop
        KHI 01:45
        Houston - Karachi | Thu, Jun 25 | Qatar Airways
        US$784
        7% off
        US$847 US$784
      • IAH 18:15
        21h 30m
        1 stop
        KHI 01:45
        Houston - Karachi | Wed, Jul 8 | Qatar Airways
        US$784
        7% off
        US$847 US$784
      • IAH 18:15
        21h 30m
        1 stop
        KHI 01:45
        Houston - Karachi | Wed, Jun 24 | Qatar Airways
        US$787
        7% off
        US$847 US$787
      • HOU 13:00
        17h 25m
        1 stop
        KHI 14:00
        Houston - Karachi | Thu, May 21 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from Houston to Karachi are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Frequently Asked Questions

  • What are the cheapest flights from Houston to Karachi (HOU-KHI)?

    Based on Trip.com data, Qatar Airways offers one-way fares as low as US$638 on Cheapest nonstop routes (e.g. IAH to KHI on Thu, Jul 16), while Qatar Airways offers Cheapest nonstop round-trips from US$1,371 departing on Fri, Jun 26 and returning on Fri, Jul 3.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Houston to Karachi is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Houston to Karachi, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Jul 16, with one-way flights priced at just US$638.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Qatar Airways.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Karachi travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Houston to Karachi is September, when demand for travel is lower.
  • After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Houston to Karachi on May 20, 2026 with Qatar Airways, with prices starting at US$1,301.
  • The time difference between Karachi and Houston is 11h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Explore More Popular Flights

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.