Flights from Baltimore to Ontario

Did you mean Flights from Ontario to Baltimore?

Baltimore

United States

BWI

Baltimore/Washington International Thurgood Marshal Airport

Ontario

United States

ONT

Ontario International Airport

Route: Published service includes stops
Distance: 2,278 miles
Marketing airlines: 1 airline
Aircraft: 3 aircraft types
Dates: Nov 24, 2026 – May 30, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Departure window: 2026-10-23 – 2026-11-21.

No recent fares appear in this limited preview. This does not mean the route is sold out. Use the search controls to check other dates and routes.

Baltimore to Ontario route overview

Baltimore/Washington International Thurgood Marshal Airport (BWI) serves Baltimore; Ontario International Airport (ONT) serves Ontario.

The airports are 2,278 miles apart by great-circle distance.

Roame's current schedule feed lists service with stops from BWI to ONT, but no nonstop service.

Marketing airlines listed in the current schedule, including codeshare sellers, are Southwest Airlines (WN). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Nov 24, 2026 – May 30, 2027.

Marketing airlines on the Baltimore to Ontario route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

Aircraft flying from BWI to ONT

Frequently asked questions

Which airports serve the Baltimore to Ontario route?

Baltimore/Washington International Thurgood Marshal Airport (BWI) is the origin airport and Ontario International Airport (ONT) is the destination airport.

How far is Ontario from Baltimore?

BWI and ONT are approximately 2,278 miles apart by great-circle distance.

Are there direct flights from BWI to ONT?

No. Roame's current schedule feed lists service with stops from BWI to ONT, but no nonstop service.

Which airlines market flights from BWI to ONT?

Which aircraft fly from BWI to ONT?

Aircraft listed in the current schedule include Boeing 737-800 Winglets (73H), Boeing 737 MAX 8 (7M8) and 7S7.