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Finnair flights from London to Houston George Bush Intcntl Airport (LON - IAH)

LON — IAH
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from London to Houston on Finnair typically fly into Houston George Bush Intcntl and depart from London Heathrow. Select your dates above for pricing.

Finnair flights from London to George Bush Intcntl in 2025

Find detailed information about Finnair flights from London to George Bush Intcntl. Explore the options provided by Finnair to plan your journey from London to George Bush Intcntl. Data last updated 18 December 2025.

One-way from

£550

Return from

£620

Popular in

July

Cheapest in

March

Average price (all airlines)

£859
Finnair
  • Finnair
  • 9/2
  • Nonstop
  • 10h 35m total
  • London to Houston
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Finnair
  • Finnair
  • 19/1-2/2
  • 1 total stop
  • 25h 47m total
  • London to Houston
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Highest demand for flights from London to Houston George Bush Intcntl; 8% potential price increase.
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Best time to find cheap flights from London to Houston George Bush Intcntl; 1% potential price drop.
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Average price for all London to Houston George Bush Intcntl flights (one-way and round-trip).
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  • Can I get a flight from London to Houston George Bush Intcntl Airport on Finnair for under £897?

    There are 6 flights available on Finnair from London to Houston George Bush Intcntl Airport for under £897. These prices can change based on many factors including date and time. To find LON-IAH flight prices for your dates, click here.

  • How do most travelers feel about Finnair?

    1,338 Cheapflights users have left reviews for Finnair and have rated the airline 7.6/10. If you are looking to travel from London to Houston George Bush Intcntl Airport on Finnair, input your dates in the form above for our best prices!

Find Finnair flight deals from London to George Bush Intcntl

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Cheapest Finnair flights from London to George Bush Intcntl
Explore the most affordable Finnair flight options available from London to George Bush Intcntl. Find the lowest fares with prices last updated on 18 December 2025.

Mon 19/109:35LHR - IAH
Nonstop10h 30mFinnair
Mon 2/211:18IAH - LHR
1 stop15h 17mFinnair
Deal found 17/12£620
Fri 30/116:15LHR - IAH
2 stops33h 13mFinnair
Thu 5/214:41IAH - LHR
1 stop13h 19mFinnair
Deal found 18/12£631
Fri 23/116:15LHR - IAH
2 stops33h 13mFinnair
Thu 29/114:41IAH - LHR
1 stop13h 19mFinnair
Deal found 17/12£633

Travel insights for Finnair flights from London to George Bush Intcntl

Get recent, data-driven insights about Finnair flights from London to George Bush Intcntl including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from London to Houston George Bush Intcntl Airport with Finnair?

Currently, the most affordable month to book a Finnair flight from London to Houston George Bush Intcntl Airport in November, with an average price of £482. Conversely, traveling with Finnair from London to Houston George Bush Intcntl Airport in August will be the most expensive, with an average cost of £619. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

Rainfall in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport when rainfall is around 81.0 mm.

Temperature in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, 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).

Best time to book a flight from London to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from London 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.

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Fly from London to George Bush Intcntl on another airline

Consider alternative airlines that service the George Bush Intcntl area. Flight routes are based on user searches made on Cheapflights and were last updated on 18 December 2025.
British Airways flights from London to Houston George Bush Intcntl
Lufthansa flights from London to Houston George Bush Intcntl

See what others are saying about Finnair

Read reviews and see what other travellers are saying about their experiences with Finnair. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Finnair for your next flight. Reviews last updated 18 December 2025.
Finnair
7.6
Good
1,338 reviews
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Overview

Entertainment

6.9

Food

6.7

Boarding

7.6

Comfort

7.4

Crew

8.1

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