Beginning of main content
Trip Type
Flight 1
Flight 2
Flight 3
Flight 4
Flight 5

Search over 1,000,000 properties worldwide and 550 airlines worldwide.

Search over a million flights, hotels, packages, and more

No Expedia cancellation fee to change or cancel almost any hotel reservation.

Find cheap flights from Ottawa (YOW) to St. Louis (STL)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Ottawa to St. Louis route information

Origin Airport Macdonald-Cartier Intl.
Destination Airport Lambert-St. Louis Intl.
Airlines Serving Air Canada, American Airlines, Delta, United, WestJet
Flight Price C$288
Distance 1,405 km

Hotels by Airports near

See all 301 properties in Lambert-St. Louis Intl.
Hilton St. Louis Airport C$110
Hilton St. Louis Airport

Hilton St. Louis Airport

10330 Natural Bridge Rd, St. Louis, MO
     
    4.0
    of 5, from 1,690 reviews
    3.5 out of 5.0

    Hilton St. Louis Airport is within 4 miles of Harrah's Casino, 11 miles from Washington University, and 13 miles from downtown St Louis and America's Center.

    Marriott St. Louis Airport C$133
    Marriott St. Louis Airport

    Marriott St. Louis Airport

    10700 Pear Tree Lane, St. Louis, MO
       
      4.1
      of 5, from 1,510 reviews
      3.5 out of 5.0

      Located 3 miles from Verizon Wireless Amphitheater, Marriott St. Louis Airport is off I-70, which provides easy access to major arterials; across the freeway is the St. Louis airport and a mass-transit rail station.

      Pear Tree Inn Airport - St. Louis - St. Ann, MO C$93
      Pear Tree Inn Airport - St. Louis - St. Ann, MO

      Pear Tree Inn Airport - St. Louis - St. Ann, MO

      10810 Pear Tree Ln, St. Ann, MO
         
        4.3
        of 5, from 1,649 reviews
        2.5 out of 5.0

        Located in the heart of St. Ann, this hotel is within 6 mi (10 km) of Blanche M. Touhill Performing Arts Center, Westport Plaza, and St. Louis Mercantile Library. Hollywood Casino Amphitheatre and St. Louis Car Museum are also within 9 mi (15 km). Lambert Main Terminal Station is 10 minutes by foot.

        Drury Inn & Suites St. Louis Airport C$146
        Drury Inn & Suites St. Louis Airport

        Drury Inn & Suites St. Louis Airport

        10490 Natural Bridge Rd, St. Louis, MO
           
          4.6
          of 5, from 1,067 reviews
          3.0 out of 5.0

          Situated near the airport, this hotel is within 6 mi (10 km) of Blanche M. Touhill Performing Arts Center, Westport Plaza, and St. Louis Mercantile Library. Hollywood Casino Amphitheatre and St. Louis Car Museum are also within 9 mi (15 km). Lambert Main Terminal Station is 8 minutes by foot and Lambert East Terminal Station is 29 minutes.

          Hampton Inn St Louis-Airport C$125
          Hampton Inn St Louis-Airport

          Hampton Inn St Louis-Airport

          10820 Pear Tree Lane, St. Ann, MO
             
            4.5
            of 5, from 547 reviews
            2.5 out of 5.0

            Situated near the airport, this hotel is within 6 mi (10 km) of Blanche M. Touhill Performing Arts Center, Westport Plaza, and St. Louis Mercantile Library. Hollywood Casino Amphitheatre and St. Louis Car Museum are also within 9 mi (15 km). Lambert Main Terminal Station is 9 minutes by foot and Lambert East Terminal Station is 30 minutes.

            Holiday Inn St. Louis-Airport C$96
            Holiday Inn St. Louis-Airport

            Holiday Inn St. Louis-Airport

            4505 Woodson Road, St. Louis, MO
               
              3.8
              of 5, from 483 reviews
              3.0 out of 5.0

              Located near the airport, this family-friendly hotel is within 6 mi (10 km) of St. Louis Car Museum, Blanche M. Touhill Performing Arts Center, and St. Louis Mercantile Library. Westport Plaza and Hollywood Casino Amphitheatre are also within 9 mi (15 km). Lambert Main Terminal Station is 20 minutes by foot.

              Holiday Inn Express & Suites St Louis Airport C$132
              Holiday Inn Express & Suites St Louis Airport

              Holiday Inn Express & Suites St Louis Airport

              10000 Natural Bridge Road, St. Louis, MO
                 
                4.5
                of 5, from 419 reviews
                2.5 out of 5.0

                Situated near the airport, this hotel is within 6 mi (10 km) of Blanche M. Touhill Performing Arts Center, St. Louis Mercantile Library, and St. Louis Car Museum. Westport Plaza and Hollywood Casino Amphitheatre are also within 9 mi (15 km). Lambert Main Terminal Station is 22 minutes by foot and Lambert East Terminal Station is 30 minutes.

                Quality Inn St. Louis Airport Hotel C$74
                Quality Inn St. Louis Airport Hotel

                Quality Inn St. Louis Airport Hotel

                10232 Natural Bridge Rd, St. Louis, MO
                   
                  3.2
                  of 5, from 1,452 reviews
                  2.5 out of 5.0

                  Situated near the airport, this hotel is within 6 mi (10 km) of Blanche M. Touhill Performing Arts Center, St. Louis Mercantile Library, and St. Louis Car Museum. Westport Plaza and Hollywood Casino Amphitheatre are also within 9 mi (15 km). Lambert Main Terminal Station is 16 minutes by foot.

                  Ogdensburg

                  C$522.00

                  Cheap YOW to STL Flights

                  • Question : Which airline has the least delays from Ottawa to Saint Louis?
                    Answer : The current leader is Trans States Airlines with a 0% on-time rate. Don't spend more time waiting in an airport than you have to and stick with Trans States Airlines on this route. If they are late for some reason though, the average delay is over an hour and a half.
                  • Question : What is the cheapest airline flying from Ottawa to Saint Louis?
                    Answer : United Airlines is your best friend for finding that coveted low fare. They're offering fares as low as $277, while rates for other flights can cost as much as $1,110.
                  • Question : What is the cheapest date to fly to Saint Louis?
                    Answer : As of Mar 11th, the best day for deals to Saint Louis (STL) is Apr 6th. It cost $277, which is 47% less than this route's average price.
                  • Question : Can I change the date of my flight?
                    Answer : Yes, you can change your departure or arrival date. If you would like to save a little money in doing so, the lowest-cost day to fly in March is Wednesday.
                  • Question : How much is a plane ticket to Saint Louis (STL) from Ottawa (YOW)? They range from $277 to $1,110. Booking in advance can normally help you get the cheapest ticket. Don't forget, booking ahead can save you bucks you can use to treat yourself to something special while on your trip. And who doesn't like to treat themselves?
                    Answer : They range from $277 to $1,110. Booking in advance can normally help you get the cheapest ticket. Don't forget, booking ahead can save you bucks you can use to treat yourself to something special while on your trip. And who doesn't like to treat themselves?
                  • Question : How long do most people stay in Saint Louis on average?
                    Answer : Of course, you are not most people, but if you were, you'd stay about 11 days.
                  • Question : What is the cheapest day to fly?
                    Answer : The cheapest day to fly from Ottawa to Saint Louis is on Wednesday. If you want to save some cash on your next business trip look for flights on Wednesday.