Rome2Rio

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

Find Transport to St. Louis

See all options

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

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
    8h 2m
    $126–706

  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 45m
    $100–438

  3. Train via Detroit

    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
    $155–405

  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
    $130–278

  5. Drive 983.7 mi

    1. Drive from Ottawa to St. Louiscar car 983.7 mi
    17h 55m
    $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 25m
    $359–891

  7. Train

    1. Take the train from Ottawa to Toronto Union Stationtrain train
    2. Take the train from Toronto Union Station to Buffalotrain train
    3. Take the train from Buffalo Depew Station to Chicago Union Stationtrain train
    4. Take the train from Chicago Union Station to St. Louistrain train
    26h 49m
    $168–512

  8. Bus

    1. Take the bus from Ottawa, ON to Toronto, ONbus bus
    2. Take the bus from Toronto to Buffalobus bus
    3. Take the bus from Buffalo to Pittsburghbus bus
    4. Take the bus from Pittsburgh Intermodal Station to St Louis Bus Stationbus bus
    32h 2m
    $137–480

Ottawa to St. Louis by train and car

Calendar21Weekly Services
Duration21h 48mAverage Duration
Ticket$155Cheapest Price
See schedules

Questions & Answers

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

Air Canada, United Airlines, and Porter Airlines fly from Ottawa Macdonald-Cartier International Airport (YOW) to Lambert–St. Louis International Airport (STL) every 4 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.

Airlines
Train operators
Bus operators

Want to know more about travelling around United States

Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.

Related travel guides

Need to know: Greyhound

Read the travel guideNeed to know: Greyhound

More Questions & Answers

Trips from Ottawa

Trips to St. Louis

Popular routes