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How to get fromOttawa to St. Louisby plane, train (Amtrak), bus (Flixbus, Greyhound), car, train, or bus

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There are 8 ways to get from Ottawa to St. Louis by plane, train (Amtrak), bus (Flixbus, Greyhound), car, train, or bus

Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.

  1. Fly Ottawa Macdonald-Cartier International Airport to Lambert–St. Louis International Airport

    best
    1. Fly from Ottawa Macdonald-Cartier International Airport (YOW) to Lambert–St. Louis International Airport (STL)plane plane YOW - STL
    7h 29m
    $136–656

  2. Fly Ottawa Macdonald-Cartier International Airport to Decatur Airport, drive

    cheapest
    1. Fly from Ottawa Macdonald-Cartier International Airport (YOW) to Decatur Airport (DEC)plane plane YOW - DEC
    2. Drive from Decatur Airport (DEC) to St. Louiscar car
    11h 37m
    $105–448

  3. Train

    1. Take the train from Ottawa to Toronto Union Stationtrain train
    2. Take the train from Toronto Union Station to Windsortrain train
    3. Take the train from Detroit to Chicago Union Stationtrain train
    4. Take the train from Chicago Union Station to St. Louistrain train
    21h 48m
    $316–820

  4. Bus via Indianapolis

    1. Take the bus from Ottawa to Detroit Bus Stationbus bus
    2. Take the bus from Detroit, MI to Indianapolis, INbus bus
    3. Take the bus from Indianapolis Union Station to St Louis Bus Stationbus bus
    24h 30m
    $141–269

  5. Drive 984 mi

    1. Drive from Ottawa to St. Louiscar car 984 mi
    17h 56m
    $226–326

  6. Train to Montréal–Pierre Elliott Trudeau International Airport, fly to Lambert–St. Louis International Airport

    1. Take the train from Ottawa to Dorvaltrain train
    2. Fly from Montréal–Pierre Elliott Trudeau International Airport (YUL) to Lambert–St. Louis International Airport (STL)plane plane YUL - STL
    7h 17m
    $342–2,011

  7. Bus, train

    1. Take the bus from Ottawa to Syracuse Bus Stationbus bus
    2. Take the train from Syracuse Regional Transportation Center to Chicago Union Stationtrain train
    3. Take the train from Chicago Union Station to St. Louistrain train
    24h 13m
    $339–678

  8. Bus

    1. Take the bus from Ottawa, ON - 1300 St. Laurent Blvd to Toronto, ON - 81 Bay Stbus bus
    2. Take the bus from Toronto to Buffalobus bus
    3. Take the bus from Buffalo, Ny to Pittsburgh, Pabus bus 530
    4. Take the bus from Pittsburgh Intermodal Station to St Louis Bus Stationbus bus
    33h 33m
    $197–519

Ottawa to St. Louis by train and car

Calendar21Weekly Services
Duration21h 48mAverage Duration
Ticket$316Cheapest Price
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Questions & Answers

Map of how to get from Ottawa to St. Louis.ExpandLaunch map view
  • Distance: 898.4 mi
  • Duration: 7h 29m

What companies run services between Ottawa, ON, Canada and St. Louis, MO, USA?

Air Canada and United Airlines fly from Ottawa Macdonald-Cartier International Airport (YOW) to Lambert–St. Louis International Airport (STL) every 3 hours. Alternatively, you can take a train from Ottawa to St. Louis via Toronto Union Station, Windsor, Detroit, and Chicago Union Station in around 21h 48m.

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