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Flights from Houston to Cologne

Search cheap flights from Houston to Cologne in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$617, and round-trip tickets start at US$903.

      • IAH 21:05
        38h 5m
        1 stop
        CGN 18:10
        Houston - Cologne | Wed, May 13 | Turkish Airlines
        CGN 14:50
        28h 55m
        1 stop
        IAH 12:45
        Cologne - Houston | Wed, May 20 | Turkish Airlines
        US$903 US$1,751
        48% off
        48% off
        US$1,751 US$903
      • IAH 21:05
        29h 20m
        1 stop
        CGN 09:25
        Houston - Cologne | Mon, May 18 | Turkish Airlines
        CGN 10:25
        33h 20m
        1 stop
        IAH 12:45
        Cologne - Houston | Mon, May 25 | Turkish Airlines
        US$908 US$1,751
        48% off
        48% off
        US$1,751 US$908
      • IAH 14:30
        16h 20m
        1 stop
        CGN 13:50
        Houston - Cologne | Thu, May 14 | Turkish Airlines
        CGN 14:50
        35h 20m
        1 stop
        IAH 19:10
        Cologne - Houston | Sun, May 17 | Turkish Airlines
        US$961 US$1,751
        45% off
        45% off
        US$1,751 US$961
      • IAH 21:05
        29h 20m
        1 stop
        CGN 09:25
        Houston - Cologne | Sat, May 23 | Turkish Airlines
        CGN 14:50
        35h 20m
        1 stop
        IAH 19:10
        Cologne - Houston | Sun, May 31 | Turkish Airlines
        US$1,104
        37% off
        US$1,751 US$1,104
      • IAH 14:30
        20h 40m
        1 stop
        CGN 18:10
        Houston - Cologne | Sun, May 24 | Turkish Airlines
        CGN 14:50
        35h 20m
        1 stop
        IAH 19:10
        Cologne - Houston | Sun, May 31 | Turkish Airlines
        US$1,104
        37% off
        US$1,751 US$1,104
      • IAH 16:30
        18h 10m
        1 stop
        CGN 17:40
        Houston - Cologne | Thu, May 14 | United Airlines
        CGN 13:00
        34h 35m
        1 stop
        IAH 16:35
        Cologne - Houston | Sun, May 17 | United Airlines
        US$1,146
        35% off
        US$1,751 US$1,146
      • IAH 16:30
        17h 50m
        1 stop
        CGN 17:20
        Houston - Cologne | Mon, May 18 | United Airlines
        CGN 13:05
        34h 30m
        1 stop
        IAH 16:35
        Cologne - Houston | Mon, May 25 | United Airlines
        US$1,155
        34% off
        US$1,751 US$1,155
      • IAH 21:05
        29h 20m
        1 stop
        CGN 09:25
        Houston - Cologne | Fri, May 22 | Turkish Airlines
        CGN 19:10
        24h 35m
        1 stop
        IAH 12:45
        Cologne - Houston | Wed, May 27 | Turkish Airlines
        US$1,165
        33% off
        US$1,751 US$1,165
      • IAH 16:30
        20h
        1 stop
        CGN 19:30
        Houston - Cologne | Wed, May 27 | United Airlines
        CGN 20:10
        27h 25m
        1 stop
        IAH 16:35
        Cologne - Houston | Mon, Jun 1 | Lufthansa
        US$1,230
        30% off
        US$1,751 US$1,230
      • IAH 16:30
        17h 50m
        1 stop
        CGN 17:20
        Houston - Cologne | Tue, Jun 2 | United Airlines
        CGN 08:30
        15h
        1 stop
        IAH 16:30
        Cologne - Houston | Tue, Jun 9 | Lufthansa
        US$1,278
        27% off
        US$1,751 US$1,278
      • HOU 13:00
        17h 25m
        1 stop
        CGN 14:00
        Houston - Cologne | Wed, May 13 | Normal Airline
        CGN 15:00
        6h
        Nonstop
        HOU 16:00
        Cologne - Houston | Fri, May 15 | Normal Airline
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      • IAH 14:30
        16h 20m
        1 stop
        CGN 13:50
        Houston - Cologne | Fri, May 15 | Turkish Airlines
        US$617 US$1,536
        60% off
        60% off
        US$1,536 US$617
      • IAH 16:30
        18h 10m
        1 stop
        CGN 17:40
        Houston - Cologne | Fri, May 15 | United Airlines
        US$833 US$1,536
        46% off
        46% off
        US$1,536 US$833
      • IAH 16:30
        12h 55m
        1 stop
        CGN 12:25
        Houston - Cologne | Fri, May 15 | Lufthansa
        US$968 US$1,536
        37% off
        37% off
        US$1,536 US$968
      • IAH 16:30
        20h
        1 stop
        CGN 19:30
        Houston - Cologne | Mon, May 18 | United Airlines
        US$971
        37% off
        US$1,536 US$971
      • IAH 16:40
        17h 40m
        1 stop
        CGN 17:20
        Houston - Cologne | Sun, Jul 5 | Lufthansa
        US$1,020
        34% off
        US$1,536 US$1,020
      • IAH 16:40
        12h 45m
        1 stop
        CGN 12:25
        Houston - Cologne | Sun, Jul 5 | United Airlines
        US$1,053
        31% off
        US$1,536 US$1,053
      • IAH 21:05
        29h 20m
        1 stop
        CGN 09:25
        Houston - Cologne | Wed, Jun 3 | Turkish Airlines
        US$1,109
        28% off
        US$1,536 US$1,109
      • IAH 21:05
        29h 20m
        1 stop
        CGN 09:25
        Houston - Cologne | Tue, May 26 | Turkish Airlines
        US$1,116
        27% off
        US$1,536 US$1,116
      • IAH 21:05
        29h 20m
        1 stop
        CGN 09:25
        Houston - Cologne | Sun, Jun 14 | Turkish Airlines
        US$1,119
        27% off
        US$1,536 US$1,119
      • IAH 14:30
        20h 40m
        1 stop
        CGN 18:10
        Houston - Cologne | Mon, Jun 8 | Turkish Airlines
        US$1,121
        27% off
        US$1,536 US$1,121
      • HOU 13:00
        17h 25m
        1 stop
        CGN 14:00
        Houston - Cologne | Wed, May 13 | Normal Airline
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Displayed flight fares from Houston to Cologne 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 Cologne (HOU-CGN)?

    Based on Trip.com data, Turkish Airlines offers one-way fares as low as US$617 on Cheapest nonstop routes (e.g. IAH to CGN on Fri, May 15), while Turkish Airlines offers Cheapest nonstop round-trips from US$903 departing on Wed, May 13 and returning on Wed, May 20.
  • 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 Cologne 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 Cologne, 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 Fri, May 15, with one-way flights priced at just US$617.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Turkish Airlines.
    · 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 Cologne travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Houston to Cologne 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 Cologne on May 11, 2026 with Turkish Airlines, with prices starting at US$1,104.
  • The time difference between Cologne and Houston is 7h.
  • 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.

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

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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.