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Cheap flights from Ontario to Washington from US$130
There are no direct flights from Ontario to Washington. The fastest way is one stop via Atlanta or Phoenix, about 6h 19m door to door (243 connections a week on current schedules), with fares from US$130.
No direct flights · 6 connection options From 5h 36m Cheapest in November Prices checked 14 days ago
Ontario to Washington at a glance
Cheapest one-wayUS$130Frontier Airlines · 1 stop · Wed 18 NovCheapest returnUS$268Mon 16 Nov – Sun 22 NovFastest journey5h 36mFrontier Airlines · 1 stop
Nonstop flightsNoneConnect via Atlanta or Phoenix
Best ways to fly from Ontario to Washington
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
ONT Atlanta (ATL) WAS
Leg 1: Delta Air Lines · Leg 2: American Airlines, Delta Air Lines, Southwest Airlines
Mon12:15 ONT19:13 ATL0h 47m connection20:00 ATL21:34 WASDelta Air Lines
2Search
ONT Phoenix (PHX) WAS
Leg 1: American Airlines, Southwest Airlines · Leg 2: American Airlines
Mon06:15 ONT07:17 PHX1h 13m connection08:30 PHX15:38 WASAmerican Airlines
3Search
ONT Dallas (DFW) WAS
Leg 1: American Airlines, Frontier Airlines · Leg 2: American Airlines
Sat13:15 ONT18:02 DFW0h 58m connection19:00 DFW22:41 WASAmerican Airlines
4Search
ONT Las Vegas (LAS) WAS
Leg 1: Frontier Airlines, Southwest Airlines · Leg 2: Frontier Airlines, United Airlines
Sun20:30 ONT21:24 LAS1h 21m connection22:45 LAS05:58 WASFrontier Airlines
5Search
ONT Denver (DEN) WAS
Leg 1: Frontier Airlines, Southwest Airlines, United Airlines · Leg 2: United Airlines
Mon13:30 ONT16:31 DEN1h 29m connection18:00 DEN23:10 WASUnited Airlines
6Search
ONT San Francisco (SFO) WAS
Leg 1: Frontier Airlines, United Airlines · Leg 2: United Airlines
Mon06:15 ONT07:27 SFO0h 48m connection08:15 SFO16:10 WASUnited Airlines
Connections are computed from flights actually flown over the last 8 weeks, with at least 45 minutes to change on one airline and 2 hours on separate tickets. Times are local. The search shows live itineraries and exact times.
Cheapest dates from Ontario to Washington
The lowest one-way fares found recently, cheapest first. Prices change; click through for the live fare.
Good to know
- Distance
- 3,640 km2,260 miles
- Journey time
- 5h 36mfastest found
- Time difference
- +3hWashington vs Ontario
- Currency in Washington
- USD
- Airports
- ONT → IAD, DCA
Flights from Ontario to Washington: questions answered
How much is a flight from Ontario to Washington?
The cheapest one-way fare we found recently is US$130 with 1 stop, departing in November. Return trips start from US$268. Prices change constantly, so search your dates for the live fare.
Are there direct flights from Ontario to Washington?
No. There is no nonstop service, so you will connect, most easily in Atlanta, Phoenix and Dallas. Some connections are on one airline or alliance, so your bags and connection are protected on a single ticket.
How long is the flight from Ontario to Washington?
With one connection the journey usually takes around 5h 36m, depending on the layover. The straight-line distance is 3,640 km.
Where do you change planes between Ontario and Washington?
The best connecting points are Atlanta (ATL), Phoenix (PHX), Dallas (DFW) and Las Vegas (LAS). Delta Air Lines flies both legs via Atlanta, so you can book it as one ticket.
Which airports serve Ontario and Washington?
Ontario: Ontario International Airport (ONT). Washington: Washington Dulles International Airport (IAD) and Ronald Reagan Washington National Airport (DCA).
What is the time difference between Ontario and Washington?
Washington is 3 hours ahead of Ontario.
