American Airlines and Southwest Airlines operate nonstop flights from St Louis (STL) to Boston (BOS). The nonstop flight takes around ~2h 6m, covering 1,044 miles (1,680 km). Updated 29 June 2026.
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Yes, American Airlines and Southwest Airlines operate nonstop flights from St Louis (STL) to Boston (BOS).
American Airlines, Southwest Airlines operate nonstop flights from St Louis to Boston.
The nonstop flight from St Louis to Boston takes ~2h 6m (approximately 1680 km).