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Cheap flights from Thal to London from £903

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
ACH — LON
7 May — 14 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Thal to London

Enter your travel dates to find the best prices.

Cheapest flights from Thal to London
Explore the most affordable flight options available from Thal to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 April 2026.

Fri 10/406:50
ACH
-
LGW
3 stops27h 10m
Multiple Airlines
Sun 12/421:05
LGW
-
ACH
2 stops22h 15m
Multiple Airlines
Deal found 6/4£903
Mon 18/506:50
ACH
-
LGW
2 stops8h 50m
Multiple Airlines
Mon 25/510:20
LGW
-
ACH
2 stops7h 40m
Multiple Airlines
Deal found 3/4£995

Find flight deals from Thal to London

Discover tips and strategies to find the most affordable flight options for your journey from Thal (ACH) to London (LON). 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 7 April 2026.

Round-trip from

£995

Popular in

July

Cheapest in

March

Average price

£187
18/5-25/5
  • 18/5-25/5
  • 4 total stops
  • 16h 30m total
  • Thal to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Thal to London 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 7 April 2026.
Use the filters below to find and compare flights from Thal to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

ThalLondon

ACH - LGW

ACHLGW

Thal St Gallen-Altenrhein

Mon 18/5

06:50-14:40

2 stops8h 50m

London Gatwick

Mon 25/5

10:20-19:00

2 stops7h 40m

£995

Flights are sorted by cheapest return flights first.

Deals found on 3/4

Sorted by cheapest first

Best time to book a flight from Thal to London

Have a flexible travel schedule? Discover the best time to fly to London from Thal 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.

Cheapflights Insights

Everything you need to know about your flight from Thal to London

What is the cheapest month to book a flight from Thal to London?

Currently, August is the cheapest month in which you can book a flight from Thal to London (average of £23). Flying from Thal to London in April is currently the most expensive (average of £91). 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.

Related info for your journey

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

  • What airport do you fly from for flights from Thal to London?

    If you book a flight to London from Thal, you will be flying from St Gallen-Altenrhein, which is the city’s only airport. Thal St Gallen-Altenrhein (ACH) is located 1.3 mi from the center of Thal. There are 0 flights from St Gallen-Altenrhein to London per day from 0 different airlines.

  • Can I find deals for flights from Thal to London that include hotel bookings?

    Yes. In addition to deals on Thal to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Thal to London?

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

  • Can I find deals for business class flights from Thal to London?

    Yes. Cheapflights offers flight deals from Thal to London 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 Thal to London?

    Currently, August is the cheapest month in which you can book a flight from Thal to London (average of £23). Flying from Thal to London in April is currently the most expensive (average of £91). 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

Travelling to a place near London?

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Wembley
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Hounslow
Gatwick
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Hayes
Brentford
Colchester
Watford
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Ipswich
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Bishop's Stortford

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When you search for this flight from Thal to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Thal to London?

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Can Cheapflights find flights from Thal to London with no change fees?

Need flexible booking options for your flight to London from Thal? 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 Thal to London become cheaper?

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