There are 7 ways to get from Ontario to Maine by plane, train, bus, bus (Greyhound, Flixbus, Amtrak), car, 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 Portland
best- Fly from Ontario International Airport (ONT) to Portland (PWM)plane ONT - PWM
7h 51m$220–850Train, bus via San Bernardino
- Take the train from San Bernardino to Chicago Union Stationtrain
- Take the train from Chicago Union Station to Bostontrain
- Take the bus from Boston, MA - South Station to Portland, MEbus
2d 22h$912–2,011Bus
- Take the bus from Montclair Transcenter to St Louis Bus Stationbus
- Take the bus from St Louis Bus Station to Newark Penn Stationbus
- Take the bus from Newark Penn Station to Bostonbus
- Take the bus from Boston, MA - South Station to Portland, MEbus
3d 2h$460–891Drive 2,998.2 mi
- Drive from Ontario to Portlandcar 2,998.2 mi
2d 1h$548–791Taxi to John Wayne Airport Orange County, fly to Portland
- Take the taxi from Ontario to Santa-Ana-Airport-SNAtaxi
- Fly from John Wayne Airport Orange County (SNA) to Portland (PWM)plane SNA - PWM
8h 31m$338–1,040Fly Ontario International Airport to Bangor
- Fly from Ontario International Airport (ONT) to Bangor (BGR)plane ONT - BGR
12h 52m$263–977Train, bus
- Take the train from Ontario Amtrak to Chicago Union Stationtrain
- Take the train from Chicago Union Station to Bostontrain
- Take the bus from Boston, MA - South Station to Portland, MEbus
3d 14h$1,049–2,316
Ontario to Maine by bus and train
Questions & Answers
The cheapest way to get from Ontario to Maine is to fly which costs $220 - $850 and takes 7h 51m.
The fastest way to get from Ontario to Maine is to fly which takes 7h 51m and costs $220 - $850.
No, there is no direct bus from Ontario to Maine. However, there are services departing from Mountain @ D Street and arriving at Congress St + Center St via Montclair Transcenter, St Louis Bus Station, Newark Penn Station, Boston, MA - South Station and Portland Transportation Center. The journey, including transfers, takes approximately 3 days 2h.
The distance between Ontario and Maine is 2607 miles. The road distance is 3015.7 miles.
The best way to get from Ontario to Maine without a car is to train and bus via San Bernardino which takes 2 days 22h and costs $900 - $2,100.
It takes approximately 7h 51m to fly from Ontario International Airport (ONT) to Portland (PWM), including transfers and time at the airport.
Ontario to Maine bus services, operated by Greyhound USA, depart from Montclair Transcenter station.
The best way to get from Ontario to Maine is to fly which takes 7h 51m and costs $220 - $850. Alternatively, you can bus, which costs $460 - $900 and takes 3 days 2h.
There is no direct flight from Ontario International Airport Airport to Portland Airport. The quickest flight takes 7h 51m and has one stopover.
Ontario to Maine bus services, operated by Greyhound USA, arrive at St Louis Bus Station.
What companies run services between Ontario, CA, USA and Maine, USA?
United Airlines, American Airlines, and two other airlines fly from Ontario International Airport (ONT) to Portland (PWM) every 4 hours. Alternatively, you can take a bus from Mountain @ D Street to Congress St + Center St via Montclair Transit Center, Montclair Transcenter, St Louis Bus Station, Newark Penn Station, Boston, Boston, MA - South Station, and Portland Transportation Center in around 3d 2h.
- Website
- united.com
Flights from Ontario International Airport to Portland via Denver
- Ave. Duration
- 7h 51m
- When
- Every day
- Estimated price
- $220–850
Flights from Ontario International Airport to Portland via Chicago O'Hare
- Ave. Duration
- 9h 38m
- When
- Every day
- Estimated price
- $220–850
Flights from John Wayne Airport Orange County to Portland via Chicago O'Hare
- Ave. Duration
- 7h 59m
- When
- Every day
- Estimated price
- $220–900
Flights from John Wayne Airport Orange County to Portland via Newark
- Ave. Duration
- 8h 31m
- When
- Every day
- Estimated price
- $230–900
Flights from John Wayne Airport Orange County to Portland via Washington Dulles
- Ave. Duration
- 8h 14m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $230–900
Flights from Ontario International Airport to Bangor via Chicago O'Hare
- Ave. Duration
- 11h 47m
- When
- Every day
- Estimated price
- $250–1,000
- Website
- delta.com
Flights from Ontario International Airport to Portland via Atlanta
- Ave. Duration
- 11h 57m
- When
- Every day
- Estimated price
- $250–950
Flights from John Wayne Airport Orange County to Portland via New York JFK
- Ave. Duration
- 13h 54m
- When
- Every day
- Estimated price
- $230–900
Flights from Ontario International Airport to Bangor via Atlanta
- Ave. Duration
- 17h 35m
- When
- Friday and Saturday
- Estimated price
- $280–1,100
Flights from Ontario International Airport to Bangor via New York JFK
- Ave. Duration
- 14h 13m
- When
- Every day
- Estimated price
- $270–1,100
- Website
- aa.com
Flights from Ontario International Airport to Portland via Charlotte
- Ave. Duration
- 12h 18m
- When
- Every day
- Estimated price
- $240–950
Flights from John Wayne Airport Orange County to Portland via Chicago O'Hare
- Ave. Duration
- 9h 13m
- When
- Every day
- Estimated price
- $220–900
Flights from Ontario International Airport to Bangor via Charlotte
- Ave. Duration
- 13h 5m
- When
- Every day
- Estimated price
- $280–1,100
- Website
- southwest.com
Flights from Ontario International Airport to Portland via Chicago Midway
- Ave. Duration
- 15h 40m
- When
- Friday and Saturday
- Estimated price
- $220–850
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
- $600–1,300
- Website
- Amtrak
Train from Chicago Union Station to Boston
- Ave. Duration
- 22h 2m
- Frequency
- Once daily
- Estimated price
- $280–650
- Website
- Amtrak
Train from Ontario Amtrak to Chicago Union Station
- Ave. Duration
- 2d 12h
- Frequency
- 3 times a week
- Estimated price
- $700–1,700
- Website
- Amtrak
Train from Chicago Union Station to Boston
- Ave. Duration
- 22h 2m
- Frequency
- Once daily
- Estimated price
- $280–650
- Website
- Amtrak
- Phone
- +1 800 639 3317
- [email protected]
- Website
- Concord Coach Lines
Bus from Boston, MA - South Station to Portland, ME
- Ave. Duration
- 1h 55m
- Frequency
- Hourly
- Estimated price
- $22–30
- Website
- Concord Coach Lines
Bus from Boston, MA - South Station to Portland, ME
- Ave. Duration
- 1h 55m
- Frequency
- Hourly
- Estimated price
- $22–30
- Website
- Concord Coach Lines
Bus from Boston, MA - South Station to Portland, ME
- Ave. Duration
- 1h 55m
- Frequency
- Hourly
- Estimated price
- $22–30
- Website
- Concord Coach Lines
Rome2Rio's guide to Amtrak Thruway
Contact DetailsContact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Bus from Boston, MA - South Station to Portland, ME
- Ave. Duration
- 1h 55m
- Frequency
- Hourly
- Estimated price
- $21–45
- Website
- Amtrak
- Adult
- $21–45
Bus from Boston, MA - South Station to Portland, ME
- Ave. Duration
- 1h 55m
- Frequency
- Hourly
- Estimated price
- $21–45
- Website
- Amtrak
- Adult
- $21–45
Bus from Boston, MA - South Station to Portland, ME
- Ave. Duration
- 1h 55m
- Frequency
- Hourly
- Estimated price
- $21–45
- Website
- Amtrak
- Adult
- $21–45
Rome2Rio's guide to Greyhound USA
Contact DetailsContact Details
- Phone
- +1 214-849-8100
- [email protected]
- Website
- Greyhound
Bus from Montclair Transcenter to St Louis Bus Station
- Ave. Duration
- 39h 10m
- Frequency
- Once daily
- Estimated price
- $260–500
- Website
- Greyhound
Bus from St Louis Bus Station to Newark Penn Station
- Ave. Duration
- 24h 5m
- Frequency
- Twice daily
- Estimated price
- $140–270
- Website
- Greyhound
Bus from Newark Penn Station to Boston
- Ave. Duration
- 5h 5m
- Frequency
- 5 times a day
- Estimated price
- $35–70
- Website
- Greyhound
- Phone
- +1 (855) 626-8585
- Website
- Flixbus USA
Bus from Newark Penn Station to Boston
- Ave. Duration
- 4h 30m
- Frequency
- 3 times a day
- Estimated price
- $35–60
- Schedules at
- Flixbus USA
- Ave. Duration
- 41 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
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
More Questions & Answers
Maine is 3h ahead of Ontario. It is currently 12:51 AM in Ontario and 3:51 AM in Maine.
Yes, the driving distance between Ontario to Maine is 3016 miles. It takes approximately 2 days 1h to drive from Ontario to Maine.
Southwest Airlines, American Airlines, Delta and United Airlines offer flights from Ontario International Airport Airport to Portland Airport.
There are 439+ hotels available in Maine.











