There are 8 ways to get from Ontario to Dubuque by plane, car, train, bus, bus (Greyhound, Flixbus), or taxi
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly Ontario International Airport to The Eastern Iowa Airport, drive
best- Fly from Ontario International Airport (ONT) to The Eastern Iowa Airport (CID)plane ONT - CID
- Drive from Cedar-Rapids-Airport-CID to Dubuquecar
6h 46m$145–424Fly Ontario International Airport to Quad City International Airport, drive
cheapest- Fly from Ontario International Airport (ONT) to Quad City International Airport (MLI)plane ONT - MLI
- Drive from Moline-Airport-MLI to Dubuquecar
6h 34m$130–540Train, bus via Milwaukee
- Take the train from San Bernardino to Chicago Union Stationtrain
- Take the train from Chicago Union Station to Milwaukeetrain
- Take the bus from Milwaukee to Dubuquebus
2d 4h$563–1,401Bus
- Take the bus from Montclair Transcenter to St Louis Bus Stationbus
- Take the bus from St Louis Bus Station to Chicago Bus Stationbus
- Take the bus from W Jackson Blvd, after S Clinton St to 250 N. Lake St - Madison UW Campusbus
- Take the bus from Madison to Dubuquebus
2d 7h$384–617Drive 1,832.4 mi
- Drive from Ontario to Dubuquecar 1,832.4 mi
28h 52m$335–483Taxi to John Wayne Airport Orange County, fly to The Eastern Iowa Airport, drive
- Take the taxi from Ontario to Santa-Ana-Airport-SNAtaxi
- Fly from John Wayne Airport Orange County (SNA) to The Eastern Iowa Airport (CID)plane SNA - CID
- Drive from Cedar-Rapids-Airport-CID to Dubuquecar
7h 25m$242–662Fly Ontario International Airport to Dane County Regional Airport-Truax Field, bus
- Fly from Ontario International Airport (ONT) to Dane County Regional Airport-Truax Field (MSN)plane ONT - MSN
- Take the bus from Madison to Dubuquebus
10h 23m$242–684Train, bus
- Take the train from Ontario Amtrak to Chicago Union Stationtrain
- Take the bus from W Jackson Blvd, after S Clinton St to 250 N. Lake St - Madison UW Campusbus
- Take the bus from Madison to Dubuquebus
2d 21h$708–1,641
Ontario to Dubuque by bus and train
Comparing Your Travel Options
The cheapest way to get from Ontario to Dubuque is to fly and drive which costs $140 - $430 and takes 6h 46m.
The fastest way to get from Ontario to Dubuque is to fly and drive which takes 6h 34m and costs $130 - $550.
No, there is no direct bus from Ontario to Dubuque. However, there are services departing from Mountain @ D Street and arriving at Dubuque via Montclair Transcenter, St Louis Bus Station, W Jackson Blvd, after S Clinton St and Madison. The journey, including transfers, takes approximately 2 days 7h.
The distance between Ontario and Dubuque is 1593 miles. The road distance is 1843.1 miles.
The best way to get from Ontario to Dubuque without a car is to train and bus via Milwaukee which takes 2 days 4h and costs $550 - $1,400.
It takes approximately 6h 46m to get from Ontario to Dubuque, including transfers.
Ontario to Dubuque bus services, operated by Greyhound USA, depart from Montclair Transcenter station.
Ontario to Dubuque bus services, operated by Greyhound USA, arrive at St Louis Bus Station.
Dubuque is 2h ahead of Ontario. It is currently 5:01 AM in Ontario and 7:01 AM in Dubuque.
Yes, the driving distance between Ontario to Dubuque is 1843 miles. It takes approximately 28h 52m to drive from Ontario to Dubuque.
What companies run services between Ontario, CA, USA and Dubuque, IA, USA?
You can take a bus from Mountain @ D Street to Dubuque via Montclair Transit Center, Montclair Transcenter, St Louis Bus Station, Chicago Bus Station, W Jackson Blvd, after S Clinton St, 250 N. Lake St - Madison UW Campus, and Madison in around 2d 7h.
- Website
- aa.com
Flights from Ontario International Airport to The Eastern Iowa Airport via Dallas/Ft.Worth
- Ave. Duration
- 7h 57m
- When
- Every day
- Estimated price
- $130–600
Flights from Ontario International Airport to The Eastern Iowa Airport via Phoenix
- Ave. Duration
- 8h 22m
- When
- Every day
- Estimated price
- $110–550
Flights from Ontario International Airport to Quad City International Airport via Dallas/Ft.Worth
- Ave. Duration
- 7h 43m
- When
- Every day
- Estimated price
- $130–600
Flights from John Wayne Airport Orange County to The Eastern Iowa Airport via Dallas/Ft.Worth
- Ave. Duration
- 6h 49m
- When
- Every day
- Estimated price
- $130–600
Flights from John Wayne Airport Orange County to The Eastern Iowa Airport via Chicago O'Hare
- Ave. Duration
- 7h 52m
- When
- Every day
- Estimated price
- $130–600
Flights from John Wayne Airport Orange County to The Eastern Iowa Airport via Phoenix
- Ave. Duration
- 8h 28m
- When
- Every day
- Estimated price
- $110–550
Flights from Ontario International Airport to Dane County Regional Airport-Truax Field via Dallas/Ft.Worth
- Ave. Duration
- 8h 8m
- When
- Every day
- Estimated price
- $220–1,000
Flights from Ontario International Airport to Dane County Regional Airport-Truax Field via Phoenix
- Ave. Duration
- 8h 5m
- When
- Every day
- Estimated price
- $190–900
Rome2Rio's guide to Amtrak
Contact DetailsContact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Train from San Bernardino to Chicago Union Station
- Ave. Duration
- 41h 39m
- Frequency
- Once daily
- Estimated price
- $500–1,300
- Website
- Amtrak
Train from Chicago Union Station to Milwaukee
- Ave. Duration
- 1h 29m
- Frequency
- Every 4 hours
- Estimated price
- $20–50
- Website
- Amtrak
Train from Ontario Amtrak to Chicago Union Station
- Ave. Duration
- 2d 12h
- Frequency
- 3 times a week
- Estimated price
- $650–1,600
- Website
- Amtrak
- Phone
- 920 496 3600
- Website
- example.com
Bus from Milwaukee to Dubuque
- Ave. Duration
- 4h 25m
- Frequency
- Once daily
- Estimated price
- $34–39
- Schedules at
- golamers.com
Bus from Madison to Dubuque
- Ave. Duration
- 2h 35m
- Frequency
- Once daily
- Estimated price
- $22–25
- Schedules at
- golamers.com
Bus from Madison to Dubuque
- Ave. Duration
- 2h 35m
- Frequency
- Once daily
- Estimated price
- $22–25
- Schedules at
- golamers.com
Bus from Madison to Dubuque
- Ave. Duration
- 2h 50m
- Frequency
- Once daily
- Estimated price
- $22–26
- Schedules at
- golamers.com
- Ave. Duration
- 42 min
- Estimated price
- $110–140
Yellow Cab of the Inland Empire
- Phone
- +1 909 888 7777
Ontario Yellow Cab
- Phone
- +1 909 622 1234
Inland Empire Taxi Cab
- Phone
- +1 909 366 0000
JR;s Taxi Service
- Phone
- +1-909-262-9910
- Website
- jrtaxiservice.com
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Booking & Getting There
There are 64+ hotels available in Dubuque.







