- Must visit
Musée d'Histoire du Valais
Valais history museum inside Château de Valère, covering archaeology, religion, and regional life. A key stop for understanding Sion’s past.
Flights from London to Sion depart on average 116 times per day, taking around 1h 43m. Cheap flight tickets for this journey start at $26 (€21) if you book in advance.
There are 30 flights per day. The earliest flight runs at 06:00, the last at 22:50. The fastest flight covers the 498 miles (802 km) distance in 1h 25m. May is the cheapest month to fly.
Distance 498 miles (802 km) |
Average flight duration 1h 43m |
Cheapest ticket price $26 (€21) |
Flights per day 116 |
Direct flights 30 |
Fastest flight 1h 25m |
First flight 6:00 AM |
Last flight 10:50 PM |
Cheapest Month May |
Cheapest Day Sat |
High Season Jan - Mar |
Low Season Apr - Jun |
Best time to book 14 days |
Cheapest price
$28
Average price
$79
Fastest journey
1 h 30 m
Average duration
1 h 42 m
Flights per day
5
Distance
802 km
The best way to find a cheap flight ticket from London to Sion is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from London to Sion will cost around $79 if you buy it on the day, but the cheapest tickets can be found for only $28.
Of the 5 flights that leave London for Sion onSun, May 17, 5 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Sun, May 17 the direct flights cover the 802 km distance in an average of 1 h 42 m but if you time it right, some flights will get you there in just 1 h 30 m .
On Sun, May 17 the longest flights will take 1 h 55 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.










Omio recommends booking the flight as it is the most popular option from London to Sion among Omio's users. If you are prioritising price take the flight with prices starting from $26. For those with little time consider booking a flight which can get you there in 1h 43m. The ticket price range depends on the travel mode: a flight costs an average of $26, and a train costs an average of $409.
Distance: 498 miles (802 km)
Most popular Flight | Train | Bus | Driving |
|---|---|---|---|
$72 Average price Cheapest | $424 Average price | $148 Average price | $179 Average price (fuel + tolls) |
4h 43m Average total duration Fastest 1h 43m Onboard + 3h 0m Additional time* | 11h 24m Average total duration 10h 54m Onboard + 30m Additional time* | 33h 2m Average total duration 32h 32m Onboard + 30m Additional time* | 11h 16m Average total duration (door-to-door) |
Direct Options | Direct Options | Direct Options | Direct Options |
This is compared to other travel options from London to Sion:
A flight is $76 (€61) less than a bus for this route with tickets for a bus from London to Sion costing on average $148 (€120).
A flight is $351 (€284) less than a train for this route with tickets for a train from London to Sion costing on average $424 (€342).
Other travel options to Sion take longer:
Train takes on average 10h 54m.
Bus takes on average 32h 32m.
The table below shows live departures for London to Sion flights for tomorrow, Sunday, May 17. You can also manually refresh the results below to see updated flight journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 5:30 AM London | 1h55 | 7:25 AM Sion | 0 transfersDirect | |
![]() | 6:15 AM London | 1h40 | 7:55 AM Sion | 0 transfersDirect | |
![]() | 6:30 AM London | 1h55 | 8:25 AM Sion | 0 transfersDirect | |
![]() | 7:10 AM London | 1h30 | 8:40 AM Sion | 0 transfersDirect | |
![]() | 5:45 PM London | 1h30 | 7:15 PM Sion | 0 transfersDirect |
Find all the dates and times for this journey
Compare train, bus, and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Discover the best of Sion — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Sion trip today.
Valais history museum inside Château de Valère, covering archaeology, religion, and regional life. A key stop for understanding Sion’s past.
The canton’s main fine arts museum, housed in historic buildings near Valère. It presents Swiss and Valais art in a strong heritage setting.
Natural history museum focused on Alpine geology, wildlife, and ecosystems of Valais. Good for families and visitors interested in the region’s landscape.
The old town is the best area for wandering among historic lanes, churches, small squares, and terraces below the hills of Valère and Tourbillon.
Scenic walking route up toward Valère hill, popular for photos over the rooftops and Rhône valley. One of the most attractive short walks in Sion.
Hill path and viewpoint area leading to Tourbillon Castle. A favorite for panoramic photos and sunset walks.
Melted Valais cheese scraped over potatoes, pickles, and onions. It is one of the canton’s signature dishes and a must-try in Sion.
A classic Swiss cheese fondue, often made with Gruyere and Vacherin. Common across French-speaking Switzerland and popular in Valais restaurants.
Rustic bread topped with melted cheese, sometimes with wine or egg. A hearty Alpine staple found in traditional Valais brasseries.
Popular wine bar and restaurant focused on Valais products, local wines, and seasonal small plates in an intimate atmosphere.
Well-known central Sion brasserie serving Swiss and Valais specialties in a lively, traditional setting.
Established local address known for Valais dishes, classic Swiss cooking, and a relaxed dining room in Sion.
Swiss prices are high by European standards. Groceries and casual lunches are manageable, but hotels and restaurant dinners cost more.
Service is usually included. Rounding up or leaving 5-10% for excellent service is appreciated but not expected. Round up taxi fares.
Find answers to the most common questions about traveling from London to Sion by flight. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest flight, the cheapest option, or tips for making the most of your visit at Sion, this guide helps you travel smarter and with confidence.

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