Title: Cheap Flights from Rome to Sion (ROM to SIR) - Expedia.co.uk ![Adobe](https://images.trvl-media.com/place/9869/40df6fea-c548-4064-9088-2549769f6f5f.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/9869/40df6fea-c548-4064-9088-2549769f6f5f.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Rome (ROM) to Sion (SIR) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Rome to Sion (SIR) - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:rom,to:sir,departure:29/09/2025TANYT&leg2=from:sir,to:rom,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![easyJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_U2.svg) easyJet [](https://www.expedia.co.uk/Flights-Search?leg1=from:rom,to:sir,departure:29/09/2025TANYT&leg2=from:sir,to:rom,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"U2"}}]) - ![Lufthansa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.co.uk/Flights-Search?leg1=from:rom,to:sir,departure:29/09/2025TANYT&leg2=from:sir,to:rom,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![Ryanair](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_FR.svg) Ryanair [](https://www.expedia.co.uk/Flights-Search?leg1=from:rom,to:sir,departure:29/09/2025TANYT&leg2=from:sir,to:rom,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"FR"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:rom,to:sir,departure:29/09/2025TANYT&leg2=from:sir,to:rom,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Jet2](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LS.svg) Jet2 [](https://www.expedia.co.uk/Flights-Search?leg1=from:rom,to:sir,departure:29/09/2025TANYT&leg2=from:sir,to:rom,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LS"}}]) - ![Swiss International Air Lines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg) Swiss International Air Lines [](https://www.expedia.co.uk/Flights-Search?leg1=from:rom,to:sir,departure:29/09/2025TANYT&leg2=from:sir,to:rom,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 25% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) Flight from Rome to Sion route information | Origin airport | ROM-All Airports | | --- | --- | | Destination airport | Sion | | Distance | 618 km | ## Compare flights from Rome to Sion easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Rome to Sion. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Sion in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from ROM-All Airports to Sion.   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from ROM-All Airports (ROM) to Sion (SIR) The easiest way to view the best deals on flights from Rome to Sion today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from ROM-All Airports to Sion start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Rome and Sion - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Rome to Sion flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from ROM-All Airports to Sion for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Explore a world of travel with Expedia - Trending Routes - Top Flights Destinations - Related Airlines - Cheap Flights from Other Airports - Expedia's Latest Trends ### Top Routes from Rome - [Rome to Paris (ROM - PAR)](https://expedia.co.uk/lp/flights/rom/par/rome-to-paris) - [Rome to Amsterdam (ROM - AMS)](https://expedia.co.uk/lp/flights/rom/ams/rome-to-amsterdam) - [Rome to New York (ROM - NYC)](https://expedia.co.uk/lp/flights/rom/nyc/rome-to-new-york) - [Rome to London (ROM - LON)](https://expedia.co.uk/lp/flights/rom/lon/rome-to-london) - [Rome to Manchester (ROM - MAN)](https://expedia.co.uk/lp/flights/rom/man/rome-to-manchester) - [Rome to Tokyo (ROM - TYO)](https://expedia.co.uk/lp/flights/rom/tyo/rome-to-tokyo) - [Rome to Edinburgh (ROM - EDI)](https://expedia.co.uk/lp/flights/rom/edi/rome-to-edinburgh) ### Top Flight Destinations - [Flights to Lucerne](https://expedia.co.uk/Cheap-Flights-To-Lucerne.d4477.Travel-Guide-Flights) - [Flights to Zermatt](https://expedia.co.uk/Cheap-Flights-To-Zermatt.d4300.Travel-Guide-Flights) - [Flights to Geneva](https://expedia.co.uk/Cheap-Flights-To-Geneva.d180003.Travel-Guide-Flights) - [Flights to Grindelwald](https://expedia.co.uk/Cheap-Flights-To-Grindelwald.d4284.Travel-Guide-Flights) - [Flights to Interlaken](https://expedia.co.uk/Cheap-Flights-To-Interlaken.d6052439.Travel-Guide-Flights) - [Flights to Basel](https://expedia.co.uk/Cheap-Flights-To-Basel.d6050770.Travel-Guide-Flights) - [Flights to Lauterbrunnen](https://expedia.co.uk/Cheap-Flights-To-Lauterbrunnen.d6046756.Travel-Guide-Flights) - [Flights to Lugano](https://expedia.co.uk/Cheap-Flights-To-Lugano.d2157.Travel-Guide-Flights) - [Flights to St. Moritz](https://expedia.co.uk/Cheap-Flights-To-St-Moritz.d9898.Travel-Guide-Flights) - [Flights to Bern](https://expedia.co.uk/Cheap-Flights-To-Bern.d684.Travel-Guide-Flights) - [Flights to Montreux](https://expedia.co.uk/Cheap-Flights-To-Montreux.d4480.Travel-Guide-Flights) - [Flights to Lausanne](https://expedia.co.uk/Cheap-Flights-To-Lausanne.d4474.Travel-Guide-Flights) - [Flights to Locarno](https://expedia.co.uk/Cheap-Flights-To-Locarno.d4476.Travel-Guide-Flights) - [Flights to Ascona](https://expedia.co.uk/Cheap-Flights-To-Ascona.d6028.Travel-Guide-Flights) - [Flights to Chur](https://expedia.co.uk/Cheap-Flights-To-Chur.d4468.Travel-Guide-Flights) - [Flights to Ennetbuergen](https://expedia.co.uk/Cheap-Flights-To-Ennetbuergen.d6051793.Travel-Guide-Flights) - [Flights to Davos](https://expedia.co.uk/Cheap-Flights-To-Davos.d4469.Travel-Guide-Flights) - [Flights to Andermatt](https://expedia.co.uk/Cheap-Flights-To-Andermatt.d6023929.Travel-Guide-Flights) - [Flights to Arosa](https://expedia.co.uk/Cheap-Flights-To-Arosa.d4243.Travel-Guide-Flights) - [Flights to Pontresina](https://expedia.co.uk/Cheap-Flights-To-Pontresina.d4294.Travel-Guide-Flights) ### Related Airlines - [KLM](https://expedia.co.uk/KLM-Flights.cKL.Travel-Guide-Airlines) - [Air France](https://expedia.co.uk/Air-France-Flights.cAF.Travel-Guide-Airlines) - [British Airways](https://expedia.co.uk/British-Airways-Flights.cBA.Travel-Guide-Airlines) - [Iberia](https://expedia.co.uk/Iberia-Flights.cIB.Travel-Guide-Airlines) - [Lufthansa](https://expedia.co.uk/Lufthansa-Flights.cLH.Travel-Guide-Airlines) - [ITA Airways](https://expedia.co.uk/ITA-Airways-Flights.cAZ.Travel-Guide-Airlines) - [Swiss International Air Lines](https://expedia.co.uk/Swiss-International-Air-Lines-Flights.cLX.Travel-Guide-Airlines) - [Vueling Airlines](https://expedia.co.uk/Vueling-Airlines-Flights.cVY.Travel-Guide-Airlines) - [Aer Lingus](https://expedia.co.uk/Aer-Lingus-Flights.cEI.Travel-Guide-Airlines) - [SAS](https://expedia.co.uk/Scandinavian-Airlines-Flights.cSK.Travel-Guide-Airlines) - [Turkish Airlines](https://expedia.co.uk/Turkish-Airlines-Flights.cTK.Travel-Guide-Airlines) - [Ryanair](https://expedia.co.uk/Ryanair-Flights.cFR.Travel-Guide-Airlines) - [Austrian Airlines](https://expedia.co.uk/Austrian-Airlines-Flights.cOS.Travel-Guide-Airlines) - [Brussels Airlines](https://expedia.co.uk/Brussels-Airlines-Flights.cSN.Travel-Guide-Airlines) - [LOT-Polish Airlines](https://expedia.co.uk/LOT-Polish-Airlines-Flights.cLO.Travel-Guide-Airlines) - [Aegean](https://expedia.co.uk/Aegean-Flights.cA3.Travel-Guide-Airlines) ### Nearby Airports - [Fiumicino - Leonardo da Vinci Intl. Airport (FCO)](https://expedia.co.uk/lp/airports/fco/flights-from-fiumicino-leonardo-da-vinci-intl-airport) - [Ciampino Airport (CIA)](https://expedia.co.uk/lp/airports/cia/flights-from-ciampino-airport) - [Perugia San Francesco d'Assisi – Umbria Intl. Airport Airport (PEG)](https://expedia.co.uk/lp/airports/peg/flights-from-perugia-san-francesco-dassisi-umbria-intl-airport-airport) - [Abruzzo Intl. Airport (PSR)](https://expedia.co.uk/lp/airports/psr/flights-from-abruzzo-intl-airport) - [Falconara Airport (AOI)](https://expedia.co.uk/lp/airports/aoi/flights-from-falconara-airport) - [Peretola Airport (FLR)](https://expedia.co.uk/lp/airports/flr/flights-from-peretola-airport) - [Federico Fellini Intl. Airport (RMI)](https://expedia.co.uk/lp/airports/rmi/flights-from-federico-fellini-intl-airport) - [Galileo Galilei Airport (PSA)](https://expedia.co.uk/lp/airports/psa/flights-from-galileo-galilei-airport) - [Forlì Intl. Airport Airport (FRL)](https://expedia.co.uk/lp/airports/frl/flights-from-forli-intl-airport-airport) - [Costa Smeralda Airport (OLB)](https://expedia.co.uk/lp/airports/olb/flights-from-costa-smeralda-airport) ### Expedia's Latest Trends Flights - [NCL to VCE flights](https://expedia.co.uk/lp/flights/ncl/vce/newcastle-to-venice) - [LBA to VCE flights](https://expedia.co.uk/lp/flights/lba/vce/leeds-to-venice) - [LHR to REG flights](https://expedia.co.uk/lp/flights/lhr/reg/london-to-reggio-di-calabria) - [EDI to VCE flights](https://expedia.co.uk/lp/flights/edi/vce/edinburgh-to-venice) - [EDI to FLR flights](https://expedia.co.uk/lp/flights/edi/flr/edinburgh-to-florence) - [MAN to FLR flights](https://expedia.co.uk/lp/flights/man/flr/manchester-to-florence) - [LHR to BZO flights](https://expedia.co.uk/lp/flights/lhr/bzo/london-to-bolzano) - [BOH to VCE flights](https://expedia.co.uk/lp/flights/boh/vce/bournemouth-to-venice) - [LHR to VRN flights](https://expedia.co.uk/lp/flights/lhr/vrn/london-to-verona) - [LGW to FLR flights](https://expedia.co.uk/lp/flights/lgw/flr/london-to-florence) - [MAN to VRN flights](https://expedia.co.uk/lp/flights/man/vrn/manchester-to-verona) - [MAN to BLQ flights](https://expedia.co.uk/lp/flights/man/blq/manchester-to-bologna) - [LON to FLR flights](https://expedia.co.uk/lp/flights/lon/flr/london-to-florence) - [BHX to FLR flights](https://expedia.co.uk/lp/flights/bhx/flr/birmingham-to-florence) - [GLA to VCE flights](https://expedia.co.uk/lp/flights/gla/vce/glasgow-to-venice) - [LGW to VCE flights](https://expedia.co.uk/lp/flights/lgw/vce/london-to-venice) - [LHR to VCE flights](https://expedia.co.uk/lp/flights/lhr/vce/london-to-venice) - [British Airways Edinburgh (EDI) to Florence (FLR) flights](https://expedia.co.uk/lp/flight-routes/british-airways-from-edinburgh-to-peretola/ba/edi/flr) - [BLQ to LHR flights](https://expedia.co.uk/lp/flights/blq/lhr/bologna-to-london) - [LHR to BLQ flights](https://expedia.co.uk/lp/flights/lhr/blq/london-to-bologna) - [BHX to VCE flights](https://expedia.co.uk/lp/flights/bhx/vce/birmingham-to-venice) - [LHR to SUF flights](https://expedia.co.uk/lp/flights/lhr/suf/london-to-lamezia-terme) - [VCE to LHR flights](https://expedia.co.uk/lp/flights/vce/lhr/venice-to-london) - [LON to MIL flights](https://expedia.co.uk/lp/flights/lon/mil/london-to-milan) - [BRS to FLR flights](https://expedia.co.uk/lp/flights/brs/flr/bristol-to-florence) - [MAN to VCE flights](https://expedia.co.uk/lp/flights/man/vce/manchester-to-venice) - [BFS to VCE flights](https://expedia.co.uk/lp/flights/bfs/vce/belfast-to-venice) - [LHR to FLR flights](https://expedia.co.uk/lp/flights/lhr/flr/london-to-florence) - [FLR to LHR flights](https://expedia.co.uk/lp/flights/flr/lhr/florence-to-london) - [BRS to VCE flights](https://expedia.co.uk/lp/flights/brs/vce/bristol-to-venice) \*Available to Expedia members. ![](https://a.travel-assets.com/mad-service/footer/bnaBanners/BEX_Footer.jpg) ## Go further with the Expedia app Save on select hotels when you book in the app. Our app deals help you to save on trips so you can travel more and manage it all on the go. Scan the QR code with your device camera and download our app ![QR code to download the app](https://a.travel-assets.com/mad-service/qr-code/footer_qr/3_QR_FOOTER.png)