There are 8 ways to get from Washington DC to Ontario by plane, train (Amtrak), bus (Greyhound), car, train, or subway
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
8h 46m$233–654Train to Baltimore-Washington International Airport, fly to Los Angeles International Airport, train
cheapest- Take the train from Washington Union Station to BWI Thurgood Marshalltrain
- Fly from Baltimore-Washington International Airport (BWI) to Los Angeles International Airport (LAX)plane BWI - LAX
- Take the train from Los Angeles to Ontario Amtraktrain
10h 38m$201–1,200Train 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 15h$1,512–2,553Bus (Greyhound)
- Take the bus from Washington Union Station to Harrisburg Bus Stationbus
- Take the bus from Harrisburg Bus Station to St Louis Bus Stationbus
- Take the bus from St Louis Bus Station to Montclair Transcenterbus
2d 17h$494–754Drive 2,581.7 mi
- Drive from Washington DC to Ontariocar 2,581.7 mi
42h 1m$472–681Fly 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 57m$220–602Subway to Washington Dulles International Airport, fly to Los Angeles International Airport, train
- Take the subway from McPherson Square, Blue/Orange/Silver Line Track 2 Platform to Washington Dulles International Airport, Silver Line Center Platformsubway
- Fly from Washington Dulles International Airport (IAD) to Los Angeles International Airport (LAX)plane IAD - LAX
- Take the train from Los Angeles to Ontario Amtraktrain
10h 37m$209–851Train (Amtrak)
- Take the train from Washington Union Station to Chicago Union Stationtrain
- Take the train from Chicago Union Station to Ontario Amtraktrain
3d 11h$1,822–2,952
Washington DC to Ontario by foot, subway, train, and bus (Amtrak)
Comparing Your Travel Options
The cheapest way to get from Washington DC to Ontario is to subway and fly and train which costs $200 - $850 and takes 10h 37m.
The fastest way to get from Washington DC to Ontario is to fly which takes 8h 46m and costs $230 - $700.
No, there is no direct bus from Washington DC to Ontario. However, there are services departing from 11 St NW+F St NW and arriving at Mountain @ D Street via Washington Union Station, Harrisburg Bus Station, St Louis Bus Station and Montclair Transit Center. The journey, including transfers, takes approximately 2 days 17h.
No, there is no direct train from Washington DC to Ontario. However, there are services departing from Farragut North, Red Line Center Platform and arriving at Riverside via Rockville Amtrak and Chicago Union Station. The journey, including transfers, takes approximately 2 days 15h.
The distance between Washington DC and Ontario is 2279 miles. The road distance is 2596.8 miles.
The best way to get from Washington DC to Ontario without a car is to train via Riverside which takes 2 days 15h and costs $1,500 - $2,600.
It takes approximately 8h 46m to get from Washington DC to Ontario, including transfers.
Washington DC to Ontario bus services, operated by Greyhound USA, depart from Washington Union Station.
Washington DC to Ontario train services, operated by Amtrak, depart from Rockville Amtrak station.
The best way to get from Washington DC to Ontario is to fly which takes 8h 46m and costs $230 - $700. Alternatively, you can train via Riverside, which costs $1,500 - $2,600 and takes 2 days 15h, you could also bus, which costs $490 - $800 and takes 2 days 17h.
What companies run services between Washington DC, USA and Ontario, CA, USA?
Southwest Airlines, American Airlines, and two other airlines fly from Ronald Reagan Washington National Airport (DCA) to Ontario International Airport (ONT) every 3 hours. Alternatively, you can take a vehicle from Washington DC to Ontario Amtrak via Farragut North, Red Line Center Platform, Rockville, Red Line Center Platform, Rockville Amtrak, Chicago Union Station, Riverside, and Riverside in around 2d 15h.
- Website
- southwest.com
Flights from Ronald Reagan Washington National Airport to Ontario International Airport via Las Vegas
- Ave. Duration
- 8h 10m
- When
- Monday, Thursday, Friday, Sunday, and Saturday
- Estimated price
- $240–1,000
Flights from Ronald Reagan Washington National Airport to Ontario International Airport via Chicago Midway
- Ave. Duration
- 8h 30m
- When
- Monday to Saturday
- Estimated price
- $240–1,000
Flights from Ronald Reagan Washington National Airport to Ontario International Airport via Dallas
- Ave. Duration
- 8h 32m
- When
- Every day
- Estimated price
- $240–1,000
Flights from Ronald Reagan Washington National Airport to Ontario International Airport via Nashville
- Ave. Duration
- 8h 55m
- When
- Monday to Saturday
- Estimated price
- $240–1,000
Flights from Ronald Reagan Washington National Airport to Los Angeles International Airport via Las Vegas
- Ave. Duration
- 7h 27m
- When
- Monday, Thursday, Friday, and Saturday
- Estimated price
- $190–800
Flights from Ronald Reagan Washington National Airport to Los Angeles International Airport via Dallas
- Ave. Duration
- 7h 33m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- $190–800
Flights from Ronald Reagan Washington National Airport to Los Angeles International Airport via St. Louis
- Ave. Duration
- 8h
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- $180–800
Flights from Baltimore-Washington International Airport to Los Angeles International Airport
- Ave. Duration
- 5h 43m
- When
- Every day
- Estimated price
- $150–650
Flights from Baltimore-Washington International Airport to Los Angeles International Airport via St. Louis
- Ave. Duration
- 7h 18m
- When
- Every day
- Estimated price
- $150–650
Flights from Baltimore-Washington International Airport to Los Angeles International Airport via Denver
- Ave. Duration
- 7h 24m
- When
- Monday, Thursday, Friday, Sunday, and Saturday
- Estimated price
- $150–650
Flights from Baltimore-Washington International Airport to Los Angeles International Airport via Phoenix
- Ave. Duration
- 7h 15m
- When
- Monday, Thursday, and Friday
- Estimated price
- $150–650
Flights from Baltimore-Washington International Airport to Los Angeles International Airport via Las Vegas
- Ave. Duration
- 7h 25m
- When
- Monday and Sunday
- Estimated price
- $150–650
Flights from Baltimore-Washington International Airport to Los Angeles International Airport via Albuquerque
- Ave. Duration
- 7h 25m
- When
- Monday, Thursday, and Friday
- Estimated price
- $150–650
- Website
- united.com
Flights from Ronald Reagan Washington National Airport to Ontario International Airport via Denver
- Ave. Duration
- 7h 42m
- When
- Every day
- Estimated price
- $240–1,000
Flights from Washington Dulles International Airport to Los Angeles International Airport
- Ave. Duration
- 5h 49m
- When
- Every day
- Estimated price
- $120–500
Flights from Washington Dulles International Airport to Los Angeles International Airport via Denver
- Ave. Duration
- 7h 59m
- When
- Every day
- Estimated price
- $120–550
Flights from Baltimore-Washington International Airport to Los Angeles International Airport
- Ave. Duration
- 5h 53m
- When
- Every day
- Estimated price
- $150–650
- Website
- aa.com
Flights from Ronald Reagan Washington National Airport to Ontario International Airport via Phoenix
- Ave. Duration
- 8h 10m
- When
- Every day
- Estimated price
- $240–1,000
Flights from Ronald Reagan Washington National Airport to Los Angeles International Airport
- Ave. Duration
- 5h 54m
- When
- Every day
- Estimated price
- $180–800
Flights from Ronald Reagan Washington National Airport to Los Angeles International Airport via Phoenix
- Ave. Duration
- 7h 57m
- When
- Every day
- Estimated price
- $190–800
Flights from Ronald Reagan Washington National Airport to Los Angeles International Airport via Las Vegas
- Ave. Duration
- 7h 49m
- When
- Monday, Wednesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- $190–800
Flights from Washington Dulles International Airport to Los Angeles International Airport
- Ave. Duration
- 5h 51m
- When
- Every day
- Estimated price
- $120–500
- Website
- flyfrontier.com
Flights from Ronald Reagan Washington National Airport to Ontario International Airport via Denver
- Ave. Duration
- 8h 51m
- When
- Monday, Tuesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- $230–650
- Website
- alaskaair.com
Flights from Ronald Reagan Washington National Airport to Los Angeles International Airport
- Ave. Duration
- 5h 39m
- When
- Every day
- Estimated price
- $340–700
- Website
- delta.com
Flights from Ronald Reagan Washington National Airport to Los Angeles International Airport
- Ave. Duration
- 5h 38m
- When
- Every day
- Estimated price
- $180–800
Rome2Rio's guide to Amtrak
Contact DetailsContact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Train from Rockville Amtrak to Chicago Union Station
- Ave. Duration
- 17h 24m
- Frequency
- Once daily
- Estimated price
- $410–650
- Website
- Amtrak
Train from Chicago Union Station to Riverside
- Ave. Duration
- 41h 45m
- Frequency
- Once daily
- Estimated price
- $1,100–1,900
- Website
- Amtrak
Train from Los Angeles to Ontario Amtrak
- Ave. Duration
- 54 min
- Frequency
- 6 times a week
- Estimated price
- $20–35
- Website
- Amtrak
Train from Los Angeles to Ontario Amtrak
- Ave. Duration
- 54 min
- Frequency
- 6 times a week
- Estimated price
- $20–35
- Website
- Amtrak
Train from Washington Union Station to BWI Thurgood Marshall
- Ave. Duration
- 35 min
- Frequency
- Every 30 minutes
- Estimated price
- $16–25
- Website
- Amtrak
Train from Los Angeles to Ontario Amtrak
- Ave. Duration
- 54 min
- Frequency
- 6 times a week
- Estimated price
- $20–35
- Website
- Amtrak
Train from Washington Union Station to Chicago Union Station
- Ave. Duration
- 17h 48m
- Frequency
- Once daily
- Estimated price
- $420–650
- Website
- Amtrak
Train from Chicago Union Station to Ontario Amtrak
- Ave. Duration
- 2d 15h
- Frequency
- 3 times a week
- Estimated price
- $1,400–2,300
- Website
- Amtrak
Subway from McPherson Square, Blue/Orange/Silver Line Track 2 Platform to Washington Dulles International Airport, Silver Line Center Platform
- Ave. Duration
- 48 min
- Frequency
- Every 15 minutes
- Estimated price
- $2–3
- Website
- Washington Metropolitan Area Transit Authority
- standard fare after 9:30 p.m
- $2–3
- Phone
- 1-866-743-3682
- Website
- Maryland Transit
Train from Washington Union Station to BWI Thurgood Marshall
- Ave. Duration
- 35 min
- Frequency
- Hourly
- Estimated price
- $2–9
- Website
- Maryland Transit
- Standard Fare
- $2–9
Rome2Rio's guide to Amtrak Acela
Contact DetailsContact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Train from Washington Union Station to BWI Thurgood Marshall
- Ave. Duration
- 20 min
- Frequency
- Every 4 hours
- Estimated price
- $6–550
- Schedules at
- Amtrak Acela
- Website
- Amtrak
- Business Class
- $6–440
- First Class
- $100–550
Rome2Rio's guide to Greyhound USA
Contact DetailsContact Details
- Phone
- +1 214-849-8100
- [email protected]
- Website
- Greyhound
Bus from Washington Union Station to Harrisburg Bus Station
- Ave. Duration
- 2h 30m
- Frequency
- 4 times a week
- Estimated price
- $20–30
- Website
- Greyhound
Bus from Harrisburg Bus Station to St Louis Bus Station
- Ave. Duration
- 18h 30m
- Frequency
- Twice daily
- Estimated price
- $140–220
- Website
- Greyhound
Bus from St Louis Bus Station to Montclair Transcenter
- Ave. Duration
- 39h 35m
- Frequency
- Once daily
- Estimated price
- $330–500
- Website
- Greyhound
Want to know more about travelling around United States
Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.
Related travel guides
Travelling to the US: What do I need to know?
Read the travel guide
Why you should take the train in the US
Read the travel guide
Need to know: Greyhound
Read the travel guide
Booking & Getting There
Washington DC to Ontario bus services, operated by Greyhound USA, arrive at Harrisburg Bus Station.
Ontario is 3h behind Washington DC. It is currently 5:16 PM in Washington DC and 2:16 PM in Ontario.
Washington DC to Ontario train services, operated by Amtrak, arrive at Chicago Union Station.
Yes, the driving distance between Washington DC to Ontario is 2597 miles. It takes approximately 42h 1m to drive from Washington DC to Ontario.
There are 251+ hotels available in Ontario.













