Flights from Saint Louis to Ottawa (STL → YOW)

STL
Saint Louis
Saint Louis Airport, USA
YOW
Ottawa
Ottawa Macdonald Cartier International, Canada
Loading map...
No direct flights found. Here are the 18 fastest 1-stop options.
viaToronto(YYZ)
STL→YYZ+1h 30mYYZ→YOW
3h 10m
viaChicago(ORD)
STL→ORD+1h 30mORD→YOW
3h 13m
viaMontreal(YUL)
STL→YUL+1h 30mYUL→YOW
3h 31m
viaDulles(IAD)
STL→IAD+1h 30mIAD→YOW
3h 40m
viaWashington(DCA)
STL→DCA+1h 30mDCA→YOW
3h 43m
viaNew York(EWR)
STL→EWR+1h 30mEWR→YOW
3h 46m
viaBoston(BOS)
STL→BOS+1h 30mBOS→YOW
4h 4m
viaOrlando(MCO)
STL→MCO+1h 30mMCO→YOW
5h 27m
viaTampa(TPA)
STL→TPA+1h 30mTPA→YOW
5h 32m
viaFort Myers(RSW)
STL→RSW+1h 30mRSW→YOW
5h 53m
viaFort Lauderdale(FLL)
STL→FLL+1h 30mFLL→YOW
6h 4m
viaMiami(MIA)
STL→MIA+1h 30mMIA→YOW
6h 8m
viaCancun(CUN)
STL→CUN+1h 30mCUN→YOW
7h 15m
viaPhoenix(PHX)
STL→PHX+1h 30mPHX→YOW
7h 50m
viaMontego Bay(MBJ)
STL→MBJ+1h 30mMBJ→YOW
8h 1m
viaPunta Cana(PUJ)
STL→PUJ+1h 30mPUJ→YOW
8h 43m
viaPuerto Vallarta(PVR)
STL→PVR+1h 30mPVR→YOW
8h 56m
viaLondon(LHR)
STL→LHR+1h 30mLHR→YOW
15h 43m
Search all options on Kiwi.com → Total times include an estimated 90-minute layover. Actual times vary by airline and connection.

Frequently asked questions

Are there direct flights from Saint Louis to Ottawa? Currently, there are no direct flights from STL to YOW. You may need to connect through another airport.

Related guides for this route

Sibling pages from across Flightmaps — fares, visa rules, country aggregations, and per-airline routes for Saint Louis → Ottawa.

Cheap flights from Saint Louis to Ottawa Cheapest month to fly to Ottawa Flights from USA Flights to Canada Visa-free with USA passport All airports in Canada

Try a nearby airport to Saint Louis

Flights to Ottawa (YOW) from other airports within 350 km of Saint Louis. Often unlocks cheaper fares or better times.

BLV → YOW 54 km from STL Belleville → Ottawa USA · 11 destinations COU → YOW 160 km from STL Columbia → Ottawa USA · 8 destinations PIA → YOW 221 km from STL Peoria → Ottawa USA · 11 destinations BMI → YOW 230 km from STL Bloomington → Ottawa USA · 6 destinations EVV → YOW 260 km from STL Evansville → Ottawa USA · 8 destinations

Or try a nearby airport to Ottawa

Flights from Saint Louis (STL) to other airports within 350 km of Ottawa.

STL → YUL 151 km from YOW Saint Louis → Montreal Canada · 165 destinations STL → YHU 177 km from YOW Saint Louis → Montreal Canada · 17 destinations STL → PBG 189 km from YOW Saint Louis → Plattsburgh USA · 5 destinations STL → BTV 220 km from YOW Saint Louis → Burlington USA · 18 destinations STL → SYR 248 km from YOW Saint Louis → Syracuse USA · 28 destinations

Other flights from Saint Louis (STL)

Atlanta (ATL) Austin (AUS) Baltimore (BWI) Boston (BOS) Burbank (BUR) Cancun (CUN) Charleston (CHS) Charlotte (CLT) All 67 destinations →

Other flights from Ottawa (YOW)

Boston (BOS) Calgary (YYC) Cancun (CUN) Charlottetown (YYG) Chicago (ORD) Deer Lake (YDF) Dulles (IAD) Edmonton (YEG) All 45 destinations →