App
Customer Support
MYR
Find Bookings
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap flight deals from Houston to Knock Starting at MYR 3,940

Whether you’re going for a one-way or round-trip to Knock, we’ve got you covered! Check out these different flight options from Houston below.

  • Round-trip
      • IAH16:55
        14h 35m
        1 stop
        NOC12:30
        Mon, Mar 24|Houston - Knock|Iberia
        NOC13:05
        30h 35m
        1 stop
        IAH13:40
        Mon, Mar 31|Knock - Houston|Aer Lingus
        MYR 3,940MYR 4,954
        20% OFF
        20% OFF
        MYR 4,954MYR 3,940

        Choose Iberia flights from Houston to Knock. The one-way connecting flight with Iberia departs from George Bush Intercontinental Airport on Mon, Mar 24-Mon, Mar 31, arriving at Ireland West Knock Airport. One-way Prices start from MYR 3,940 including taxes and charges.

      • IAH11:55
        18h 35m
        2 stops
        NOC12:30
        Thu, Mar 6|Houston - Knock|United Airlines
        NOC13:00
        39h 21m
        2 stops
        IAH23:21
        Thu, Mar 13|Knock - Houston|Aer Lingus
        MYR 3,942MYR 4,954
        20% OFF
        20% OFF
        MYR 4,954MYR 3,942

        Choose United Airlines flights from Houston to Knock. The one-way connecting flight with United Airlines departs from George Bush Intercontinental Airport on Thu, Mar 6-Thu, Mar 13, arriving at Ireland West Knock Airport. One-way Prices start from MYR 3,942 including taxes and charges.

      • IAH11:54
        18h 36m
        2 stops
        NOC12:30
        Thu, Mar 6|Houston - Knock|Virgin Atlantic
        NOC13:00
        38h 15m
        2 stops
        IAH22:15
        Thu, Mar 13|Knock - Houston|Aer Lingus
        MYR 3,972MYR 4,954
        20% OFF
        20% OFF
        MYR 4,954MYR 3,972

        Choose Virgin Atlantic flights from Houston to Knock. The one-way connecting flight with Virgin Atlantic departs from George Bush Intercontinental Airport on Thu, Mar 6-Thu, Mar 13, arriving at Ireland West Knock Airport. One-way Prices start from MYR 3,972 including taxes and charges.

      • IAH14:40
        16h 50m
        2 stops
        NOC12:30
        Mon, Mar 24|Houston - Knock|Virgin Atlantic
        NOC13:05
        30h 20m
        2 stops
        IAH13:25
        Mon, Mar 31|Knock - Houston|Aer Lingus
        MYR 4,053
        MYR 4,053

        Choose Virgin Atlantic flights from Houston to Knock. The one-way connecting flight with Virgin Atlantic departs from George Bush Intercontinental Airport on Mon, Mar 24-Mon, Mar 31, arriving at Ireland West Knock Airport. One-way Prices start from MYR 4,053 including taxes and charges.

      • IAH05:25
        25h 5m
        2 stops
        NOC12:30
        Tue, Feb 25|Houston - Knock|Virgin Atlantic
        NOC13:00
        30h 55m
        2 stops
        IAH13:55
        Mon, Mar 3|Knock - Houston|Aer Lingus
        MYR 4,089
        MYR 4,089

        Choose Virgin Atlantic flights from Houston to Knock. The one-way connecting flight with Virgin Atlantic departs from George Bush Intercontinental Airport on Tue, Feb 25-Mon, Mar 3, arriving at Ireland West Knock Airport. One-way Prices start from MYR 4,089 including taxes and charges.

      • IAH19:22
        35h 8m
        2 stops
        NOC12:30
        Tue, Feb 25|Houston - Knock|Delta Air Lines
        NOC13:00
        30h 55m
        2 stops
        IAH13:55
        Mon, Mar 3|Knock - Houston|Aer Lingus
        MYR 4,099
        MYR 4,099

        Choose Delta Air Lines flights from Houston to Knock. The one-way connecting flight with Delta Air Lines departs from George Bush Intercontinental Airport on Tue, Feb 25-Mon, Mar 3, arriving at Ireland West Knock Airport. One-way Prices start from MYR 4,099 including taxes and charges.

      • IAH05:25
        25h 5m
        2 stops
        NOC12:30
        Tue, Feb 18|Houston - Knock|Virgin Atlantic
        NOC13:00
        30h 55m
        2 stops
        IAH13:55
        Mon, Feb 24|Knock - Houston|Aer Lingus
        MYR 4,124
        MYR 4,124

        Choose Virgin Atlantic flights from Houston to Knock. The one-way connecting flight with Virgin Atlantic departs from George Bush Intercontinental Airport on Tue, Feb 18-Mon, Feb 24, arriving at Ireland West Knock Airport. One-way Prices start from MYR 4,124 including taxes and charges.

      • IAH12:18
        18h 12m
        2 stops
        NOC12:30
        Fri, Feb 28|Houston - Knock|Virgin Atlantic
        NOC13:00
        38h 14m
        2 stops
        IAH21:14
        Thu, Mar 6|Knock - Houston|Aer Lingus
        MYR 4,125
        MYR 4,125

        Choose Virgin Atlantic flights from Houston to Knock. The one-way connecting flight with Virgin Atlantic departs from George Bush Intercontinental Airport on Fri, Feb 28-Thu, Mar 6, arriving at Ireland West Knock Airport. One-way Prices start from MYR 4,125 including taxes and charges.

      • IAH16:55
        14h 35m
        1 stop
        NOC12:30
        Mon, Mar 24|Houston - Knock|British Airways
        NOC13:05
        30h 35m
        1 stop
        IAH13:40
        Mon, Mar 31|Knock - Houston|Aer Lingus
        MYR 4,132
        MYR 4,132

        Choose British Airways flights from Houston to Knock. The one-way connecting flight with British Airways departs from George Bush Intercontinental Airport on Mon, Mar 24-Mon, Mar 31, arriving at Ireland West Knock Airport. One-way Prices start from MYR 4,132 including taxes and charges.

      • HOU18:37
        35h 53m
        2 stops
        NOC12:30
        Thu, Feb 27|Houston - Knock|Virgin Atlantic
        NOC13:00
        38h 14m
        2 stops
        IAH21:14
        Wed, Mar 5|Knock - Houston|Aer Lingus
        MYR 4,151
        MYR 4,151

        Choose Virgin Atlantic flights from Houston to Knock. The one-way connecting flight with Virgin Atlantic departs from William P. Hobby Airport on Thu, Feb 27-Wed, Mar 5, arriving at Ireland West Knock Airport. One-way Prices start from MYR 4,151 including taxes and charges.

      • HOU01:00 pm
        3h 5m
        Nonstop
        NOC02:00 pm
        Fri, Feb 21|Houston - Knock|Iberia
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Houston to Knock flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA2366

    United Airlines

    12:11

    IAH

    3.0h

    16:12

    IAD

    SMTWTFS
    Search

  2. UA918

    United Airlines

    18:30

    IAD

    7.4h

    06:55

    LHR

    SMTWTFS

  3. EI915

    Aer Lingus

    11:05

    LHR

    1.5h

    12:35

    NOC

    SMTWTFS

  4. VS5132

    Virgin Atlantic

    12:30

    IAH

    2.1h

    15:36

    ATL

    SMTWTFS
    Search

  5. VS104

    Virgin Atlantic

    18:15

    ATL

    8.0h

    07:15

    LHR

    SMTWTFS

  6. EI915

    Aer Lingus

    11:05

    LHR

    1.5h

    12:35

    NOC

    SMTWTFS

  7. UA1891

    United Airlines

    13:29

    IAH

    3.6h

    18:05

    EWR

    SMTWTFS
    Search

  8. UA016

    United Airlines

    18:15

    EWR

    7.5h

    06:45

    LHR

    SMTWTFS

  9. EI915

    Aer Lingus

    11:05

    LHR

    1.5h

    12:35

    NOC

    SMTWTFS

  10. VS5130

    Virgin Atlantic

    15:10

    IAH

    2.1h

    18:15

    ATL

    SMTWTFS
    Search

  11. VS104

    Virgin Atlantic

    18:15

    ATL

    8.0h

    07:15

    LHR

    SMTWTFS

  12. EI915

    Aer Lingus

    11:05

    LHR

    1.5h

    12:35

    NOC

    SMTWTFS

  13. AA6951

    American Airlines

    15:30

    IAH

    9.2h

    06:40

    LHR

    SMTWTFS
    Search

  14. EI915

    Aer Lingus

    11:05

    LHR

    1.5h

    12:35

    NOC

    SMTWTFS

  15. BA194

    British Airways

    15:30

    IAH

    9.2h

    06:40

    LHR

    SMTWTFS
    Search

  16. BA5989

    British Airways

    11:05

    LHR

    1.5h

    12:35

    NOC

    SMTWTFS

  17. BA194

    British Airways

    15:30

    IAH

    9.2h

    06:40

    LHR

    SMTWTFS
    Search

  18. EI915

    Aer Lingus

    11:05

    LHR

    1.5h

    12:35

    NOC

    SMTWTFS

  19. IB3576

    Iberia

    15:30

    IAH

    9.2h

    06:40

    LHR

    SMTWTFS
    Search

  20. EI915

    Aer Lingus

    11:05

    LHR

    1.5h

    12:35

    NOC

    SMTWTFS

  21. UA880

    United Airlines

    16:15

    IAH

    9.4h

    07:40

    LHR

    SMTWTFS
    Search

  22. EI915

    Aer Lingus

    11:05

    LHR

    1.5h

    12:35

    NOC

    SMTWTFS

  23. DL2381

    Delta Air Lines

    16:20

    HOU

    2.0h

    19:21

    ATL

    SMTWTFS
    Search

  24. VS4044

    Virgin Atlantic

    17:25

    ATL

    8.3h

    06:45

    LHR

    SMTWTFS

  25. EI915

    Aer Lingus

    11:05

    LHR

    1.5h

    12:35

    NOC

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from Houston to Knock?

Explore the best time to buy affordable tickets to Knock with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Houston (HOU) to Knock (NOC) the cheapest?

    Airlines adjust prices for flights from Houston to Knock based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Houston (HOU) to Knock (NOC) cost?

    According to Trip.com's data, the lowest price is around MYR 4,044.

  • What is the transportation method from the main airport to downtown in Knock?

    • The distance from Ireland West Knock Airport to downtown is about 15 km, by taxi about 30 minutes.

  • How many airports are there in Knock (NOC)?

    There are 1 airport(s) near Knock (NOC): Ireland West Knock Airport.

How to find a cheap flight from Houston to Knock

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | Houston to Knock

Off-season for travelJanuary
Peak season for travelFebruary
Flight distance7,167.33 km
Popular airlineDelta Air Lines

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.