Find flights
When to book
Airlines
FAQs

Cheap flights from Glasgow Intl Airport to Houston from £545

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — HOU
21 Jan — 28 Jan1
1 adult

Cheap flight deals from Glasgow Intl to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Glasgow Intl (GLA) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 16 January 2025.

Round-trip from

£545

Popular in

December

Cheapest in

January

Average price

£721
11/2-18/2
  • 11/2-18/2
  • 6 total stops
  • 47h 43m total
  • Glasgow to Houston
Search Deals
High demand for flights, 5% potential price rise
Search Deals
Best time to find cheap flights, 4% potential price drop
Search Deals
Average for round-trip flights in January 2025
Search Deals

Find flight deals from Glasgow Intl to Houston

Cheapest flights from Glasgow Intl to Houston
Explore the most affordable flight options available from Glasgow Intl to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 January 2025.

Tue 11/212:35GLA - IAH
3 stops25h 13mMultiple Airlines
Tue 18/205:25IAH - GLA
3 stops22h 30mMultiple Airlines
Deal found 14/1£545
Tue 11/213:50GLA - IAH
1 stop30h 20mFinnair
Tue 18/211:15IAH - GLA
2 stops19h 40mFinnair
Deal found 14/1£586
Tue 11/217:15GLA - IAH
1 stop26h 20mKLM
Tue 18/215:25IAH - GLA
1 stop15h 15mKLM
Deal found 14/1£655
Tue 11/206:05GLA - IAH
1 stop13h 30mDelta
Tue 18/213:45IAH - GLA
2 stops16h 55mDelta
Deal found 14/1£676
Wed 17/908:40GLA - IAH
1 stop16h 35mIberia
Sun 28/918:33IAH - GLA
2 stops39h 52mIberia
Deal found 15/1£703
Wed 17/906:00GLA - IAH
1 stop13h 25mVirgin Atlantic
Sun 28/915:20IAH - GLA
1 stop15h 40mVirgin Atlantic
Deal found 15/1£715
Mon 18/813:30GLA - IAH
1 stop29h 55mAir France
Sat 6/915:20IAH - GLA
1 stop25h 50mAir France
Deal found 15/1£802
Mon 18/805:50GLA - IAH
1 stop13h 50mBritish Airways
Sat 6/913:39IAH - GLA
2 stops17h 41mBritish Airways
Deal found 15/1£810
Sat 7/606:55GLA - IAH
1 stop18h 20mAmerican Airlines
Sun 22/621:40IAH - GLA
1 stop15h 05mAmerican Airlines
Deal found 14/1£861
Sat 4/1006:55GLA - HOU
2 stops16h 54mAmerican Airlines
Sun 12/1012:25HOU - GLA
2 stops14h 55mAmerican Airlines
Deal found 14/1£919
Wed 15/108:20GLA - IAH
2 stops21h 49mAer Lingus
Tue 11/221:45IAH - GLA
2 stops32h 30mAer Lingus
Deal found 14/1£1,032
Wed 15/110:40GLA - HOU
2 stops28h 50mDelta
Tue 11/210:50HOU - GLA
2 stops23h 45mDelta
Deal found 15/1£1,456

Find flights from Glasgow Intl to Houston within your budget

Customise your flight search to find flights from Glasgow Intl to Houston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 11/2

12:35-07:48

3 stops25h 13m

Houston George Bush Intcntl

Tue 18/2

05:25-09:55

3 stops22h 30m

£545

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 11/2

13:50-14:10

1 stop30h 20m

Houston George Bush Intcntl

Tue 18/2

11:15-12:55

2 stops19h 40m

£586

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 11/2

17:15-13:35

1 stop26h 20m

Houston George Bush Intcntl

Tue 18/2

15:25-12:40

1 stop15h 15m

£655

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Tue 11/2

06:05-13:35

1 stop13h 30m

Houston George Bush Intcntl

Tue 18/2

13:45-12:40

2 stops16h 55m

£676

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Fri 7/3

06:05-21:14

2 stops21h 09m

Houston George Bush Intcntl

Sat 15/3

16:25-12:40

1 stop15h 15m

£744

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 7/6

06:55-19:15

1 stop18h 20m

Houston George Bush Intcntl

Sun 22/6

21:40-18:45

1 stop15h 05m

£861

GlasgowHouston

GLA - IAH

GLAIAH

Glasgow Intl

Sat 7/6

06:55-19:15

1 stop18h 20m

Houston George Bush Intcntl

Sun 22/6

21:40-19:50

1 stop16h 10m

£864

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Sat 17/5

07:55-20:01

2 stops18h 06m

Houston Hobby

Fri 20/6

20:25-18:55

2 stops16h 30m

£923

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Sun 23/2

06:05-17:42

2 stops17h 37m

Houston Hobby

Wed 26/2

18:37-16:35

2 stops15h 58m

£1,461

GlasgowHouston

GLA - HOU

GLAHOU

Glasgow Intl

Sun 23/2

06:05-17:42

2 stops17h 37m

Houston Hobby

Wed 26/2

10:25-12:40

2 stops20h 15m

£1,596

Flights are sorted by cheapest return flights first.

Deals found on 14/1

Showing 1-10 of 12 results
1
2

Best time to book a flight from Glasgow Intl to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Glasgow Intl with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Glasgow Intl to Houston

Get recent, data-driven insights about flights from Glasgow Intl to Houston including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Glasgow Intl Airport to Houston?

Use this chart to determine the optimal time to book a return flight from Glasgow Intl to Houston. Price data was last updated on 10 January 2025.

The best time to book flights from Glasgow Intl Airport to Houston is 51 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Glasgow Intl Airport to Houston?

Currently, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to Houston (average of £765). Flying from Glasgow Intl Airport to Houston in July is currently the most expensive (average of £1,114). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GLA to HOU?

Find hourly flight availability from Glasgow Intl to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 January 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 23% on flights from Glasgow Intl Airport to Houston by exploring options for tickets in the afternoon.

Rainfall in Houston by month

Plan your trip to Houston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston ranges from 81.0 - 150.0 inches per month. June is typically the wettest month, when rainfall can reach 150.0 mm. February is typically the driest time to visit Houston when rainfall is around 81.0 mm.

Temperature in Houston by month

Plan your trip to Houston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.0 C).

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated 16 January 2025.
Read reviews from past customers who have flown American Airlines, KLM and Delta from Glasgow to Houston. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,511 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very Good
8,511 reviews
Delta
8.0
Very Good
8,511 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,339 reviews
Delta
8.0
Very Good
8,511 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,285 reviews
Delta
8.0
Very Good
8,511 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic
7.5
Good
664 reviews
Delta
8.0
Very Good
8,511 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very Good
8,511 reviews
Check prices

Overall

8.0

Entertainment

7.9

Comfort

8.0

Food

7.3

Crew

8.6

Boarding

8.2

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Glasgow Intl to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Glasgow Intl Airport to Houston round-trip?

    According to our current data, Finnair (£586), KLM (£655), and Delta (£676) offers the cheapest pricing from Glasgow Intl Airport to Houston. Finnair is 37% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Glasgow Intl to Houston that include hotel bookings?

    Yes. In addition to deals on Glasgow Intl to Houston flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Glasgow Intl to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Glasgow Intl to Houston.

  • Can I find deals for business class flights from Glasgow Intl to Houston?

    Yes. Cheapflights offers flight deals from Glasgow Intl to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Glasgow Intl Airport to Houston?

    Currently, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to Houston (average of £765). Flying from Glasgow Intl Airport to Houston in July is currently the most expensive (average of £1,114). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Glasgow Intl to Houston

Discover the top 5 airlines that operate flights from Glasgow Intl to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 16 January 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£569Average£803FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air FranceCheapest£646Average£973FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£715Average£930FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£716Average£917FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£769Average£1,011FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Glasgow Intl to Houston?

Deals for Glasgow Intl to Houston flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Glasgow Intl to Houston?

Cheapflights simply makes it quick and affordable to book flights from Glasgow Intl to Houston by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Glasgow Intl to Houston with no change fees?

Need flexible booking options for your flight to Houston from Glasgow Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Glasgow Intl to Houston become cheaper?

Yes, Cheapflights offers price alerts on Glasgow Intl to Houston flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.