Cheap flights Ontario — Newburgh from $346

Q: How long is the flight from Ontario to Newburgh?

Approximate flight time — 5h 3m.

Q: How much do flights from Ontario to Newburgh cost?

The minimum price over 3 months — from $346 on 19.11.2026.

Q: Which airlines fly from Ontario to Newburgh?

This route is served by 1 airline: Frontier Airlines.

Q: From which airports does Ontario operate flights?

From Ontario: ONT (Ontario International Airport).

Q: To which airports in Newburgh do flights arrive?

To Newburgh: SWF (Stewart International Airport).

Q: Which day of the week is cheapest?

The cheapest day of the week — Thursday.

Q: When is the best time to buy tickets Ontario — Newburgh?

Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.

How many travellers?

Adults

12+ years

Children

2–11 years

Infants

under 2

Choose your departure date

Cheapest: $346 on 19.11.2026

Prices shown are from searches by other travellers over the last 24 hours. Missing a date? Click any day — we'll find tickets anyway.

November 2026

December 2026

January 2027

Prices found for 1 of 90 days. Prices update as more travellers search. Click any date to search live.

Depart

—

Return

—

Cheapest flights found

19 Nov 2026, Thu

Frontier Airlines F9 4206

04:07

ONT Ontario International Airport

12:40

SWF Stewart International Airport

8h 33m 2 stops

View this ticket

Route characteristics

Distance

3 873 km

Flight time

5h 3m

Time difference

+3h

Minimum price

from $346 (19.11.2026)

Average price

$346

Maximum price

$346

Cheapest day

Thursday

Departure airports (1)

ONT Ontario International Airport

Arrival airports (1)

SWF Stewart International Airport

Airlines (1)

F9 Frontier Airlines

Agencies (1)

Kiwi.com

Airlines — cheapest prices 1

Frontier Airlines

Low-cost 1 flights · 1 days

$346

Where to buy tickets 1

Kiwi.com

1 tickets · 1 days

from $346

Airports

From — Ontario (1)

ONT Ontario International Airport

To — Newburgh (1)

SWF Stewart International Airport

Other destinations from Ontario

Frequently asked questions about the route Ontario — Newburgh

How long is the flight from Ontario to Newburgh?

Approximate flight time — 5h 3m. This is an average for a direct flight. With connections, the time may be longer.

What is the distance from Ontario to Newburgh?

The straight-line distance — 3 873 km.

How much do flights from Ontario to Newburgh cost?

The minimum price over 3 months — from $346 on 19.11.2026.

What is the average ticket price?

The average price — $346. Range: $346 — $346.

What is the time difference between Ontario and Newburgh?

The difference — +3h.

From which airports does Ontario operate flights?

From Ontario: ONT (Ontario International Airport).

To which airports in Newburgh do flights arrive?

To Newburgh: SWF (Stewart International Airport).

Which airlines fly this route?

This route is served by 1 airline: Frontier Airlines.

Which day of the week is cheapest?

The cheapest day of the week — Thursday.

When is the best time to buy tickets?

Optimal — 1–3 months before departure. Check the calendar above — it shows the best dates.

How do I book flights?

Click "View this ticket" on any flight card — you'll be redirected to the booking page with this specific ticket pre-selected.

About the route Ontario — Newburgh

Flights Ontario — Newburgh is a popular route. The straight-line distance is 3 873 km. Flight time 5h 3m. Time difference +3h.

From Ontario (ONT) flights depart from 1 airport: ONT. To Newburgh (SWF) — 1 arrival airport: SWF.

1 airline operate on this route: Frontier Airlines.

The minimum price for the next 3 months — from $346 (19.11.2026). The cheapest dates are highlighted in the calendar above.

The average ticket price — $346, ranging from $346 to $346. Book 1–3 months in advance to get the best deals.

Cheapest day to fly — Thursday.

Other destinations in United States from Ontario

Cheap flights Ontario — Newburgh

From — Ontario (1)

To — Newburgh (1)

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