There are 7 ways to get from Washington to Ontario by plane, bus (Greyhound, Flixbus), train (Amtrak), car, or train
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly Ronald Reagan Washington National Airport to Ontario International Airport
best- Fly from Ronald Reagan Washington National Airport (DCA) to Ontario International Airport (ONT)plane DCA - ONT
7h 35m$370–1,700Train to Baltimore-Washington International Airport, fly to Ontario International Airport
cheapest- Take the train from Washington Union Station to BWI Thurgood Marshalltrain
- Fly from Baltimore-Washington International Airport (BWI) to Ontario International Airport (ONT)plane BWI - ONT
7h 17m$212–1,445Bus
- Take the bus from Washington Union Station to Pittsburgh Intermodal Stationbus
- Take the bus from Pittsburgh Intermodal Station to St Louis Bus Stationbus
- Take the bus from St Louis Bus Station to Montclair Transcenterbus
2d 12h$307–678Train via Riverside (Amtrak)
- Take the train from Rockville Amtrak to Chicago Union Stationtrain Floridian
- Take the train from Chicago Union Station to Riversidetrain Southwest Chief
2d 14h$322–1,576Drive 2,575.8 mi
- Drive from Washington to Ontariocar 2,575.8 mi
42h 9m$471–679Fly Ronald Reagan Washington National Airport to Los Angeles International Airport, train
- Fly from Ronald Reagan Washington National Airport (DCA) to Los Angeles International Airport (LAX)plane DCA - LAX
- Take the train from Los Angeles to Ontario Amtraktrain
9h 16m$256–1,012Train (Amtrak)
- Take the train from Washington Union Station to Chicago Union Stationtrain
- Take the train from Chicago Union Station to Ontario Amtraktrain
3d 10h$391–2,124
Washington to Ontario by bus
Questions & Answers
The cheapest way to get from Washington to Ontario is to bus which costs $300 - $700 and takes 2 days 12h.
The fastest way to get from Washington to Ontario is to train and fly which takes 7h 17m and costs $210 - $1,500.
No, there is no direct bus from Washington station to Ontario. However, there are services departing from Washington Union Station and arriving at Mountain @ D Street via Pittsburgh Intermodal Station, St Louis Bus Station and Montclair Transit Center. The journey, including transfers, takes approximately 2 days 12h.
No, there is no direct train from Washington station to Ontario. However, there are services departing from Washington Union Station and arriving at Ontario Amtrak via Chicago Union Station. The journey, including transfers, takes approximately 3 days 10h.
The distance between Washington and Ontario is 2272 miles. The road distance is 2590.8 miles.
The best way to get from Washington to Ontario without a car is to bus which takes 2 days 12h and costs $300 - $700.
It takes approximately 7h 35m to fly from Ronald Reagan Washington National Airport (DCA) to Ontario International Airport (ONT), including transfers and time at the airport.
Washington to Ontario bus services, operated by Greyhound USA, depart from Washington Union Station.
Washington to Ontario train services, operated by Amtrak, depart from Washington Union Station.
The best way to get from Washington to Ontario is to fly which takes 7h 35m and costs $370 - $1,700. Alternatively, you can bus, which costs $300 - $700 and takes 2 days 12h, you could also train via Riverside, which costs $320 - $1,600 and takes 2 days 14h.
What companies run services between Washington, DC, USA and Ontario, CA, USA?
Southwest Airlines, United Airlines, and two other airlines fly from Ronald Reagan Washington National Airport (DCA) to Ontario International Airport (ONT) every 4 hours. Alternatively, you can take a bus from Washington Union Station to Mountain @ D Street via Pittsburgh Intermodal Station, St Louis Bus Station, Montclair Transcenter, and Montclair Transit Center in around 2d 12h.
- Website
- southwest.com
Flights from Ronald Reagan Washington National Airport to Ontario International Airport via Chicago Midway
- Ave. Duration
- 7h 40m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $380–1,700
Flights from Ronald Reagan Washington National Airport to Ontario International Airport via Nashville
- Ave. Duration
- 8h 40m
- When
- Saturday and Sunday
- Estimated price
- $380–1,700
Flights from Ronald Reagan Washington National Airport to Ontario International Airport via Dallas
- Ave. Duration
- 9h 50m
- When
- Saturday and Sunday
- Estimated price
- $390–1,700
Flights from Ronald Reagan Washington National Airport to Ontario International Airport via Las Vegas
- Ave. Duration
- 8h 5m
- When
- Sunday
- Estimated price
- $370–1,700
Flights from Baltimore-Washington International Airport to Ontario International Airport
- Ave. Duration
- 5h 45m
- When
- Monday, Thursday, and Friday
- Estimated price
- $210–900
Flights from Baltimore-Washington International Airport to Ontario International Airport via Phoenix
- Ave. Duration
- 8h 6m
- When
- Every day
- Estimated price
- $210–950
Flights from Baltimore-Washington International Airport to Ontario International Airport via Nashville
- Ave. Duration
- 7h 55m
- When
- Sunday
- Estimated price
- $210–950
Flights from Baltimore-Washington International Airport to Ontario International Airport via Las Vegas
- Ave. Duration
- 8h 40m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $210–950
Flights from Baltimore-Washington International Airport to Ontario International Airport via Denver
- Ave. Duration
- 8h 17m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $210–950
Flights from Baltimore-Washington International Airport to Ontario International Airport via Dallas
- Ave. Duration
- 9h 25m
- When
- Every day
- Estimated price
- $220–950
Flights from Ronald Reagan Washington National Airport to Los Angeles International Airport via Las Vegas
- Ave. Duration
- 7h 40m
- When
- Sunday
- Estimated price
- $230–1,000
Flights from Ronald Reagan Washington National Airport to Los Angeles International Airport via Chicago Midway
- Ave. Duration
- 7h 56m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $230–1,000
Flights from Ronald Reagan Washington National Airport to Los Angeles International Airport via Kansas City
- Ave. Duration
- 8h 25m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $230–1,000
Flights from Ronald Reagan Washington National Airport to Los Angeles International Airport via Dallas
- Ave. Duration
- 8h 50m
- When
- Every day
- Estimated price
- $240–1,100
- Website
- aa.com
Flights from Ronald Reagan Washington National Airport to Ontario International Airport via Phoenix
- Ave. Duration
- 8h 25m
- When
- Every day
- Estimated price
- $380–1,700
Flights from Ronald Reagan Washington National Airport to Los Angeles International Airport
- Ave. Duration
- 6h 8m
- When
- Every day
- Estimated price
- $230–1,000
Flights from Ronald Reagan Washington National Airport to Los Angeles International Airport via Phoenix
- Ave. Duration
- 8h 14m
- When
- Every day
- Estimated price
- $230–1,000
Flights from Ronald Reagan Washington National Airport to Los Angeles International Airport via Las Vegas
- Ave. Duration
- 8h 57m
- When
- Every day
- Estimated price
- $230–1,000
- Website
- united.com
Flights from Ronald Reagan Washington National Airport to Ontario International Airport via Denver
- Ave. Duration
- 7h 47m
- When
- Every day
- Estimated price
- $380–1,700
Flights from Ronald Reagan Washington National Airport to Ontario International Airport via Chicago O'Hare
- Ave. Duration
- 8h 25m
- When
- Monday, Tuesday, Wednesday, Thursday, Saturday, and Sunday
- Estimated price
- $380–1,700
Flights from Baltimore-Washington International Airport to Ontario International Airport via Denver
- Ave. Duration
- 7h 48m
- When
- Every day
- Estimated price
- $210–950
- Website
- flyfrontier.com
Flights from Ronald Reagan Washington National Airport to Ontario International Airport via Denver
- Ave. Duration
- 9h 43m
- When
- Monday, Wednesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- $380–1,700
- Website
- delta.com
Flights from Baltimore-Washington International Airport to Ontario International Airport via Salt Lake City
- Ave. Duration
- 8h 16m
- When
- Every day
- Estimated price
- $220–950
Flights from Ronald Reagan Washington National Airport to Los Angeles International Airport
- Ave. Duration
- 6h 7m
- When
- Every day
- Estimated price
- $230–1,000
- Website
- alaskaair.com
Flights from Ronald Reagan Washington National Airport to Los Angeles International Airport
- Ave. Duration
- 5h 57m
- When
- Every day
- Estimated price
- $230–1,000
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Rockville Amtrak to Chicago Union Station
- Ave. Duration
- 17h 16m
- Frequency
- Once daily
- Estimated price
- $100–270
- Website
- https://www.amtrak.com/home.html
Train from Chicago Union Station to Riverside
- Ave. Duration
- 41h 45m
- Frequency
- Twice daily
- Estimated price
- $220–1,300
- Website
- https://www.amtrak.com/home.html
Train from Washington Union Station to BWI Thurgood Marshall
- Ave. Duration
- 38 min
- Frequency
- Hourly
- Estimated price
- $6–55
- Website
- https://www.amtrak.com/home.html
Train from Los Angeles to Ontario Amtrak
- Ave. Duration
- 54 min
- Frequency
- 6 times a week
- Estimated price
- $14–21
- Website
- https://www.amtrak.com/home.html
Train from Washington Union Station to Chicago Union Station
- Ave. Duration
- 17h 40m
- Frequency
- Once daily
- Estimated price
- $100–550
- Website
- https://www.amtrak.com/home.html
Train from Chicago Union Station to Ontario Amtrak
- Ave. Duration
- 2d 16h
- Frequency
- 3 times a week
- Estimated price
- $290–1,600
- Website
- https://www.amtrak.com/home.html
Rome2Rio's guide to Amtrak Northeast Regional
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Washington Union Station to BWI Thurgood Marshall
- Ave. Duration
- 24 min
- Frequency
- Hourly
- Estimated price
- $4–200
- Website
- https://www.amtrak.com/home
- Schedules at
- https://www.amtrak.com/northeast-regional-train
- Coach
- $4–200
- Business Class
- $45–230
- Phone
- 1-866-743-3682
- Website
- mta.maryland.gov
Train from Washington Union Station to BWI Thurgood Marshall
- Ave. Duration
- 35 min
- Frequency
- Hourly
- Estimated price
- $2–9
- Website
- https://www.mta.maryland.gov
- Standard Fare
- $2–9
Rome2Rio's guide to Amtrak Acela
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Washington Union Station to BWI Thurgood Marshall
- Ave. Duration
- 20 min
- Frequency
- 5 times a day
- Estimated price
- $6–550
- Schedules at
- https://www.amtrak.com/acela-train
- Website
- https://www.amtrak.com/home.html
- Business Class
- $6–440
- First Class
- $100–550
Rome2Rio's guide to Greyhound USA
Contact Details
- Phone
- +1 214-849-8100
- ifsr@greyhound.com
- Website
- greyhound.com
Bus from Washington Union Station to Pittsburgh Intermodal Station
- Ave. Duration
- 5h 15m
- Frequency
- 4 times a day
- Estimated price
- $35–90
- Website
- https://www.greyhound.com/
Bus from Pittsburgh Intermodal Station to St Louis Bus Station
- Ave. Duration
- 12h 55m
- Frequency
- 3 times a day
- Estimated price
- $60–170
- Website
- https://www.greyhound.com/
Bus from St Louis Bus Station to Montclair Transcenter
- Ave. Duration
- 39h 35m
- Frequency
- Once daily
- Estimated price
- $210–420
- Website
- https://www.greyhound.com/
- Phone
- +1 (855) 626-8585
- Website
- flixbus.com
Bus from Washington Union Station to Pittsburgh Intermodal Station
- Ave. Duration
- 4h 45m
- Frequency
- 4 times a week
- Estimated price
- $35–65
- Schedules at
- flixbus.com
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More Questions & Answers
There is no direct flight from Ronald Reagan Washington National Airport Airport to Ontario International Airport Airport. The quickest flight takes 7h 40m and has one stopover.
Washington to Ontario bus services, operated by Greyhound USA, arrive at Pittsburgh Intermodal Station.
Ontario is 3h behind Washington. It is currently 3:41 PM in Washington and 12:41 PM in Ontario.
Washington to Ontario train services, operated by Amtrak, arrive at Chicago Union Station.
Yes, the driving distance between Washington to Ontario is 2591 miles. It takes approximately 42h 9m to drive from Washington to Ontario.
United Airlines, Frontier Airlines, American Airlines and Southwest Airlines offer flights from Ronald Reagan Washington National Airport Airport to Ontario International Airport Airport.
Book your Washington to Ontario train tickets online with Omio.
There are 252+ hotels available in Ontario.










