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Flights from Washington to Ontario

Did you mean Flights from Ontario to Washington?

Flightmap/Flights from DCA/DCA to ONT

Washington

United States

DCA

Ronald Reagan Washington National Airport

Ontario

United States

ONT

Ontario International Airport

Route
Published service includes stops
Distance
2,260 miles
Marketing airlines
1 airline
Aircraft
1 aircraft type
Dates
Nov 21, 2026 – Jan 2, 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: 2026-11-12 – 2026-12-11.

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.

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Explore these airports and cities

  • Flights from DCA
  • Flights to ONT
  • Award flights to Washington DC

Washington to Ontario route overview

Ronald Reagan Washington National Airport (DCA) serves Washington; Ontario International Airport (ONT) serves Ontario.

The airports are 2,260 miles apart by great-circle distance.

Roame's current schedule feed lists service with stops from DCA 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 21, 2026 – Jan 2, 2027.

Marketing airlines on the Washington 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 DCA to ONT

Frequently asked questions

Which airports serve the Washington to Ontario route?

Ronald Reagan Washington National Airport (DCA) is the origin airport and Ontario International Airport (ONT) is the destination airport.

How far is Ontario from Washington?

DCA and ONT are approximately 2,260 miles apart by great-circle distance.

Are there direct flights from DCA to ONT?

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

Which airlines market flights from DCA to ONT?

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.

Which aircraft fly from DCA to ONT?

Aircraft listed in the current schedule include 7S7.

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