Cheap Flights from Boston to Sion (BOS to SIR)

A mountainous landscape with terraced vineyards, a historic stone tower, and a castle on a hill.

Popular airlines from Logan International Airport (BOS) to Sion (SIR)

British Airways
easyJet
Lufthansa
Ryanair
American Airlines
Jet2
Swiss International Air Lines

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

Travel information

Origin airport	Logan International Airport
Destination airport	Sion
Distance	3,721 miles away

Explore a world of travel with Expedia

Hotels near Alaïa Bay
Standard Link for Hotels near Alaïa Bay
Salins Hotels
Standard Link for Salins Hotels
Hotels near Sion
Standard Link for Hotels near Sion

Flights to Sion
Standard Link for Flights to Sion
Flights from Sion
Standard Link for Flights from Sion
Flights from Aarhus (AAR) to Sion (SIR)
Standard Link for Flights from Aarhus (AAR) to Sion (SIR)
Flights from Aberdeen (ABZ) to Sion (SIR)
Standard Link for Flights from Aberdeen (ABZ) to Sion (SIR)
Flights from Málaga (AGP) to Sion (SIR)
Standard Link for Flights from Málaga (AGP) to Sion (SIR)
Flights from Auckland (AKL) to Sion (SIR)
Standard Link for Flights from Auckland (AKL) to Sion (SIR)
Flights from Albany (ALB) to Sion (SIR)
Standard Link for Flights from Albany (ALB) to Sion (SIR)
Flights from Alicante (ALC) to Sion (SIR)
Standard Link for Flights from Alicante (ALC) to Sion (SIR)
Flights from Ancona (AOI) to Sion (SIR)
Standard Link for Flights from Ancona (AOI) to Sion (SIR)
Flights from Athens (ATH) to Sion (SIR)
Standard Link for Flights from Athens (ATH) to Sion (SIR)
Flights from Beirut (BEY) to Sion (SIR)
Standard Link for Flights from Beirut (BEY) to Sion (SIR)
Flights from Belfast (BFS) to Sion (SIR)
Standard Link for Flights from Belfast (BFS) to Sion (SIR)
Flights from Bergen (BGO) to Sion (SIR)
Standard Link for Flights from Bergen (BGO) to Sion (SIR)
Flights from Belfast (BHD) to Sion (SIR)
Standard Link for Flights from Belfast (BHD) to Sion (SIR)
Flights from Birmingham (BHM) to Sion (SIR)
Standard Link for Flights from Birmingham (BHM) to Sion (SIR)
Flights from Birmingham (BHX) to Sion (SIR)
Standard Link for Flights from Birmingham (BHX) to Sion (SIR)
Flights from Bologna (BLQ) to Sion (SIR)
Standard Link for Flights from Bologna (BLQ) to Sion (SIR)
Flights from Bordeaux (BOD) to Sion (SIR)
Standard Link for Flights from Bordeaux (BOD) to Sion (SIR)
Flights from Bournemouth (BOH) to Sion (SIR)
Standard Link for Flights from Bournemouth (BOH) to Sion (SIR)
Flights from Mumbai (BOM) to Sion (SIR)
Standard Link for Flights from Mumbai (BOM) to Sion (SIR)
Flights from Bristol (BRS) to Sion (SIR)
Standard Link for Flights from Bristol (BRS) to Sion (SIR)
Flights from Brussels (BRU) to Sion (SIR)
Standard Link for Flights from Brussels (BRU) to Sion (SIR)
Flights from Basel (BSL) to Sion (SIR)
Standard Link for Flights from Basel (BSL) to Sion (SIR)
Flights from Paris (CDG) to Sion (SIR)
Standard Link for Flights from Paris (CDG) to Sion (SIR)
Flights from Cologne (CGN) to Sion (SIR)
Standard Link for Flights from Cologne (CGN) to Sion (SIR)
Flights from Rome (CIA) to Sion (SIR)
Standard Link for Flights from Rome (CIA) to Sion (SIR)
Flights from Courchevel (CVF) to Sion (SIR)
Standard Link for Flights from Courchevel (CVF) to Sion (SIR)
Flights from Dubrovnik (DBV) to Sion (SIR)
Standard Link for Flights from Dubrovnik (DBV) to Sion (SIR)
Flights from Dresden (DRS) to Sion (SIR)
Standard Link for Flights from Dresden (DRS) to Sion (SIR)
Flights from Des Moines (DSM) to Sion (SIR)
Standard Link for Flights from Des Moines (DSM) to Sion (SIR)
Flights from Dublin (DUB) to Sion (SIR)
Standard Link for Flights from Dublin (DUB) to Sion (SIR)
Flights from Dubai (DXB) to Sion (SIR)
Standard Link for Flights from Dubai (DXB) to Sion (SIR)
Flights from San Sebastian (EAS) to Sion (SIR)
Standard Link for Flights from San Sebastian (EAS) to Sion (SIR)
Flights from Edinburgh (EDI) to Sion (SIR)
Standard Link for Flights from Edinburgh (EDI) to Sion (SIR)
Flights from East Midlands (EMA) to Sion (SIR)
Standard Link for Flights from East Midlands (EMA) to Sion (SIR)
Flights from Exeter (EXT) to Sion (SIR)
Standard Link for Flights from Exeter (EXT) to Sion (SIR)
Flights from Farnborough (FAB) to Sion (SIR)
Standard Link for Flights from Farnborough (FAB) to Sion (SIR)
Flights from Faro (FAO) to Sion (SIR)
Standard Link for Flights from Faro (FAO) to Sion (SIR)
Flights from Rome (FCO) to Sion (SIR)
Standard Link for Flights from Rome (FCO) to Sion (SIR)
Flights from Florence (FLR) to Sion (SIR)
Standard Link for Flights from Florence (FLR) to Sion (SIR)
Flights from Memmingen (FMM) to Sion (SIR)
Standard Link for Flights from Memmingen (FMM) to Sion (SIR)
Flights from Gloucester (GLO) to Sion (SIR)
Standard Link for Flights from Gloucester (GLO) to Sion (SIR)
Flights from Gothenburg (GOT) to Sion (SIR)
Standard Link for Flights from Gothenburg (GOT) to Sion (SIR)
Flights from Geneva (GVA) to Sion (SIR)
Standard Link for Flights from Geneva (GVA) to Sion (SIR)
Flights from Helsinki (HEL) to Sion (SIR)
Standard Link for Flights from Helsinki (HEL) to Sion (SIR)
Flights from Indianapolis (IND) to Sion (SIR)
Standard Link for Flights from Indianapolis (IND) to Sion (SIR)
Flights from Inverness (INV) to Sion (SIR)
Standard Link for Flights from Inverness (INV) to Sion (SIR)
Flights from Istanbul (IST) to Sion (SIR)
Standard Link for Flights from Istanbul (IST) to Sion (SIR)
Flights from Johannesburg (JNB) to Sion (SIR)
Standard Link for Flights from Johannesburg (JNB) to Sion (SIR)
Flights from London (LCY) to Sion (SIR)
Standard Link for Flights from London (LCY) to Sion (SIR)
Flights from Liege (LGG) to Sion (SIR)
Standard Link for Flights from Liege (LGG) to Sion (SIR)
Flights from London (LGW) to Sion (SIR)
Standard Link for Flights from London (LGW) to Sion (SIR)
Flights from London (LHR) to Sion (SIR)
Standard Link for Flights from London (LHR) to Sion (SIR)
Flights from Lisbon (LIS) to Sion (SIR)
Standard Link for Flights from Lisbon (LIS) to Sion (SIR)
Flights from Little Rock (LIT) to Sion (SIR)
Standard Link for Flights from Little Rock (LIT) to Sion (SIR)
Flights from London (LON) to Sion (SIR)
Standard Link for Flights from London (LON) to Sion (SIR)
Flights from Liverpool (LPL) to Sion (SIR)
Standard Link for Flights from Liverpool (LPL) to Sion (SIR)
Flights from Saint-Tropez (LTT) to Sion (SIR)
Standard Link for Flights from Saint-Tropez (LTT) to Sion (SIR)
Flights from Lugano (LUG) to Sion (SIR)
Standard Link for Flights from Lugano (LUG) to Sion (SIR)
Flights from Madrid (MAD) to Sion (SIR)
Standard Link for Flights from Madrid (MAD) to Sion (SIR)
Flights from Manchester (MAN) to Sion (SIR)
Standard Link for Flights from Manchester (MAN) to Sion (SIR)
Flights from Milan (MIL) to Sion (SIR)
Standard Link for Flights from Milan (MIL) to Sion (SIR)
Flights from Marseille (MRS) to Sion (SIR)
Standard Link for Flights from Marseille (MRS) to Sion (SIR)
Flights from Munich (MUC) to Sion (SIR)
Standard Link for Flights from Munich (MUC) to Sion (SIR)
Flights from Milan (MXP) to Sion (SIR)
Standard Link for Flights from Milan (MXP) to Sion (SIR)
Flights from Naples (NAP) to Sion (SIR)
Standard Link for Flights from Naples (NAP) to Sion (SIR)
Flights from Nice (NCE) to Sion (SIR)
Standard Link for Flights from Nice (NCE) to Sion (SIR)
Flights from Newcastle (NCL) to Sion (SIR)
Standard Link for Flights from Newcastle (NCL) to Sion (SIR)
Flights from Nuremberg (NUE) to Sion (SIR)
Standard Link for Flights from Nuremberg (NUE) to Sion (SIR)
Flights from Norwich (NWI) to Sion (SIR)
Standard Link for Flights from Norwich (NWI) to Sion (SIR)
Flights from Oslo (OSL) to Sion (SIR)
Standard Link for Flights from Oslo (OSL) to Sion (SIR)
Flights from Glasgow (PIK) to Sion (SIR)
Standard Link for Flights from Glasgow (PIK) to Sion (SIR)
Flights from Parma (PMF) to Sion (SIR)
Standard Link for Flights from Parma (PMF) to Sion (SIR)
Flights from Palma de Mallorca (PMI) to Sion (SIR)
Standard Link for Flights from Palma de Mallorca (PMI) to Sion (SIR)
Flights from Pisa (PSA) to Sion (SIR)
Standard Link for Flights from Pisa (PSA) to Sion (SIR)
Flights from Shanghai (PVG) to Sion (SIR)
Standard Link for Flights from Shanghai (PVG) to Sion (SIR)
Flights from Riyadh (RUH) to Sion (SIR)
Standard Link for Flights from Riyadh (RUH) to Sion (SIR)
Flights from San Francisco (SFO) to Sion (SIR)
Standard Link for Flights from San Francisco (SFO) to Sion (SIR)
Flights from Southampton (SOU) to Sion (SIR)
Standard Link for Flights from Southampton (SOU) to Sion (SIR)
Flights from London (STN) to Sion (SIR)
Standard Link for Flights from London (STN) to Sion (SIR)
Flights from Salzburg (SZG) to Sion (SIR)
Standard Link for Flights from Salzburg (SZG) to Sion (SIR)
Flights from Tirana (TIA) to Sion (SIR)
Standard Link for Flights from Tirana (TIA) to Sion (SIR)
Flights from Tel Aviv (TLV) to Sion (SIR)
Standard Link for Flights from Tel Aviv (TLV) to Sion (SIR)
Flights from Tampa (TPA) to Sion (SIR)
Standard Link for Flights from Tampa (TPA) to Sion (SIR)
Flights from Trieste (TRS) to Sion (SIR)
Standard Link for Flights from Trieste (TRS) to Sion (SIR)
Flights from Quimper (UIP) to Sion (SIR)
Standard Link for Flights from Quimper (UIP) to Sion (SIR)
Flights from Vienna (VIE) to Sion (SIR)
Standard Link for Flights from Vienna (VIE) to Sion (SIR)
Flights from Verona (VRN) to Sion (SIR)
Standard Link for Flights from Verona (VRN) to Sion (SIR)
Flights from Zürich (ZRH) to Sion (SIR)
Standard Link for Flights from Zürich (ZRH) to Sion (SIR)

Visit Salins
Standard Link for Visit Salins
Sion Olympic Swimming Pool
Standard Link for Sion Olympic Swimming Pool
Sion Holidays
Standard Link for Sion Holidays
Visit Sion
Standard Link for Visit Sion

Rental cars Sion airport
Standard Link for Rental cars Sion airport
Car hire Sion
Standard Link for Car hire Sion

Sion Holiday Rentals
Standard Link for Sion Holiday Rentals

Things to do in Sion
Standard Link for Things to do in Sion

*Available to Expedia members.

Cheap Flights from Boston (BOS) to Sion (SIR)

Flight 1

Popular airlines from Logan International Airport (BOS) to Sion (SIR)

Be in the know

Book smarter

Earn twice

Travel information

Explore a world of travel with Expedia