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Cheap flights from Ontario to Boston from US$250
There are no direct flights from Ontario to Boston. The fastest way is one stop via Denver or Phoenix, about 6h 49m door to door (242 connections a week on current schedules), with fares from US$250.
No direct flights · 6 connection options From 6h 00m Cheapest in November Prices checked 13 days ago
Ontario to Boston at a glance
Cheapest one-wayUS$250Southwest Airlines · 1 stop · Sun 8 NovCheapest returnUS$302Thu 17 Dec – Sun 20 DecFastest journey6h 00mSouthwest Airlines · 1 stop
Nonstop flightsNoneConnect via Denver or Phoenix
Best ways to fly from Ontario to Boston
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
ONT Denver (DEN) BOS
Leg 1: Frontier Airlines, Southwest Airlines, United Airlines · Leg 2: Delta Air Lines, JetBlue Airways, Southwest Airlines
Wed14:00 ONT16:55 DEN1h 20m connection18:15 DEN23:49 BOSSouthwest Airlines
2Search
ONT Phoenix (PHX) BOS
Leg 1: American Airlines, Southwest Airlines · Leg 2: American Airlines, Delta Air Lines, JetBlue Airways
Tue06:30 ONT07:32 PHX1h 13m connection08:45 PHX16:34 BOSAmerican Airlines
3Search
ONT Atlanta (ATL) BOS
Leg 1: Delta Air Lines · Leg 2: Delta Air Lines, Frontier Airlines, JetBlue Airways
Sun12:15 ONT19:13 ATL0h 47m connection20:00 ATL22:24 BOSDelta Air Lines
4Search
ONT Dallas (DFW) BOS
Leg 1: American Airlines, Frontier Airlines · Leg 2: American Airlines, Delta Air Lines
Tue07:15 ONT12:02 DFW0h 58m connection13:00 DFW17:32 BOSAmerican Airlines
5Search
ONT San Francisco (SFO) BOS
Leg 1: Frontier Airlines, United Airlines · Leg 2: Delta Air Lines, JetBlue Airways, United Airlines
Tue06:15 ONT07:27 SFO0h 48m connection08:15 SFO16:41 BOSUnited Airlines
6Search
ONT Seattle (SEA) BOS
Leg 1: Alaska Airlines, Frontier Airlines, SkyWest · Leg 2: Alaska Airlines, Delta Air Lines, JetBlue Airways
Thu06:00 ONT08:26 SEA1h 04m connection09:30 SEA17:40 BOSAlaska 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 Boston
The lowest one-way fares found recently, cheapest first. Prices change; click through for the live fare.
Good to know
- Distance
- 4,120 km2,559 miles
- Journey time
- 6h 00mfastest found
- Time difference
- +3hBoston vs Ontario
- Currency in Boston
- USD
- Airports
- ONT → BOS, PSM
Flights from Ontario to Boston: questions answered
How much is a flight from Ontario to Boston?
The cheapest one-way fare we found recently is US$250 with 1 stop, departing in November. Return trips start from US$302. Prices change constantly, so search your dates for the live fare.
Are there direct flights from Ontario to Boston?
No. There is no nonstop service, so you will connect, most easily in Denver, Phoenix and Atlanta. 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 Boston?
With one connection the journey usually takes around 6h 00m, depending on the layover. The straight-line distance is 4,120 km.
Where do you change planes between Ontario and Boston?
The best connecting points are Denver (DEN), Phoenix (PHX), Atlanta (ATL) and Dallas (DFW). Frontier Airlines flies both legs via Denver, so you can book it as one ticket.
Which airports serve Ontario and Boston?
Ontario: Ontario International Airport (ONT). Boston: Boston Logan International Airport (BOS) and Portsmouth International Airport at Pease (PSM).
What is the time difference between Ontario and Boston?
Boston is 3 hours ahead of Ontario.
