Cheap Flights from Washington to Ontario
Cheap Flights from Washington to Ontario
Looking for cheap flights from Washington to Ontario? PointsYeah scans award availability across major airline and bank transfer programs in one place, so travelers can compare the lowest points and cash routes faster. Instead of searching each airline separately, users can see pricing from programs like Chase, Amex, Capital One, Citi, and Bilt side by side.
Award prices from Washington to Ontario vary by season, cabin, and date, but available award flights can start around 12,500–15,000 points one way, with premium cabins available at higher mileage levels. The live search above allows filtering by cabin, airline, stops, or maximum points to find the best award flights from Washington to Ontario for specific travel dates.
2026-11-10
DCA - ONT
Economy | 2 Stops
From 12,500 Pts + $5.6
2026-11-11
DCA - ONT
Economy | 2 Stops
From 13,000 Pts + $5.6
2026-11-10
DCA - ONT
Economy | 1 Stop
From 15,000 Pts + $5.6
2026-11-11
DCA - ONT
Economy | 2 Stops
From 15,000 Pts + $5.6
2026-12-25
DCA - ONT
Economy | 2 Stops
From 15,000 Pts + $5.6
2026-12-25
DCA - ONT
Economy | 2 Stops
From 15,000 Pts + $5.6
Washington to Ontario flight facts
Distance
2,248 mi
3,618 km in a straight line
Estimated flight time
about 5h
In the air, for the straight-line distance
Time difference
−3h
Ontario is 3 hours behind Washington.
Airports in Washington
DCA · Ronald Reagan Washington National
IAD · Washington Dulles Intl
Airports in Ontario
ONT · Ontario Intl
Nearby airport alternatives
Flights Washington - Santa Ana · Santa Ana is 30 mi from Ontario
Flights Washington - Long Beach · Long Beach is 36 mi from Ontario
Flights Baltimore - Ontario · Baltimore is 36 mi from Washington
Flights Washington - Burbank · Burbank is 44 mi from Ontario
Flights Washington - Los Angeles · Los Angeles is 47 mi from Ontario
Flights Washington - Palm Springs · Palm Springs is 65 mi from Ontario
Premium cabin flights from Washington to Ontario
Premium cabin
2026-11-10
DCA - ONT
First | 1 Stop | 4 left
From 35,000 Pts + $25.6
Premium cabin
2026-12-22
DCA - ONT
First | 1 Stop
From 36,500 Pts + $11.2
Premium cabin
2026-12-22
DCA - ONT
First | 1 Stop
From 39,500 Pts + $5.6
Premium cabin
2026-12-22
DCA - ONT
First | 1 Stop
From 42,500 Pts + $5.6
Premium cabin
2026-12-22
DCA - ONT
First | 1 Stop | 7 left
From 45,000 Pts + $25.6
Premium cabin
2026-12-22
DCA - ONT
First | 1 Stop | 7 left
From 45,000 Pts + $25.6
Selected hotels for your next stay
Hollywood (United States)
Dream Hollywood
From 15,000 Pts or $267
Los Angeles (United States)
Hotel Figueroa
From 15,000 Pts or $189
Newport Beach (United States)
Hyatt Regency Newport Beach
From 15,000 Pts or $249
Frequently Asked Questions
The cheapest route from Washington to Ontario depends on award space, transfer bonuses, and travel dates. PointsYeah compares bank and airline programs in one place so you can find the best points and cash combinations faster.
Yes. Transferable points from Chase, Amex, Capital One, Citi, and Bilt can often be moved to airline partners for flights from Washington to Ontario.
Yes. Searching metro codes when available helps compare nearby airport combinations for flights from Washington to Ontario.
Washington and Ontario are about 2,248 miles (3,618 km) apart in a straight line.
Flying the 2,248-mile straight-line distance takes about 5h in the air, estimated from typical cruising speed. Actual travel time depends on the routing; itineraries with connections take longer.
Ontario is 3 hours behind Washington.
Departures from Washington: Ronald Reagan Washington National (DCA), Washington Dulles Intl (IAD). Arrivals in Ontario: Ontario Intl (ONT).
Travelers searching this route also look at other popular routes into Ontario, plus the return trip when we track it. Fares and award space change daily.
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