Cheap Flights from Sion (SIR) to Dublin (DUB)

Popular airlines from Sion (SIR) to Dublin Airport (DUB)

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Frequently asked questions

How much does a flight from Sion Airport (SIR) to Dublin Airport (DUB) cost?
Grab a cheap one-way flight or cheap return flight from Sion Airport (SIR) to Dublin Airport (DUB) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Sion Airport (SIR) to Dublin Airport (DUB)?
Traveling in may help you find better deals, as it's the cheapest month for flights between SIR and DUB. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Sion Airport (SIR) to Dublin Airport (DUB)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SIR to DUB flight.
How many flights per day from Sion Airport (SIR) to Dublin Airport (DUB)?
There aren't any daily nonstop flights available from Sion Airport (SIR) to Dublin Airport (DUB). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from SIR to DUB?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can change depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sion Airport (SIR) to Dublin Airport (DUB)?
To land at Dublin Airport (DUB) without delays, choose a flight that leaves from Sion Airport (SIR) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Sion Airport (SIR) to Dublin Airport (DUB) last-minute?
Last-minute fares from SIR to DUB are usually more expensive. To lock in the cheapest rates, start looking for flights as early as possible. That being said, if you're flexible with your travel plans, it's possible to land a cheap ticket right before you leave.
Is it cheaper to book a SIR to DUB flight and hotel package?
You can save money by securing a SIR to DUB flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've chosen your preferred flights and accommodations, you can add extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Sion Airport (SIR) to Dublin Airport (DUB)?
If you reserved your SIR to DUB flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

Travel information

Origin airport
Sion
Destination airport
Dublin
Distance
781 mi

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Sion to Dublin Flights

The cheapest times to fly from Sion to Dublin

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sion to Dublin are during the month of . You can find some of the cheapest flights from Sion to Dublin with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sion to Dublin

Sunday is one of the best days to book for cheap flights from Sion to Dublin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sion to Dublin

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sion to Dublin in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sion to Dublin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sion to Dublin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Sion to Dublin Flights
*Available to One Key members.