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Find cheap flights from Ontario to Stewart Intl. from $193

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to New Windsor departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sun 5/19
Sun 5/26

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In the last 7 days travelers have searched 44,212,662 times on KAYAK, and here is why:

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FAQs for booking flights from Ontario to Stewart Intl.

  • How does KAYAK find such low prices on flights from Ontario to Stewart Intl.?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Stewart Intl..

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Stewart Intl.?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Stewart Intl. from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Stewart Intl.?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Stewart Intl. with an airline and back to Ontario with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Stewart Intl.?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Stewart Intl. from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Ontario to New Windsor?

Find which airlines fly direct from Ontario to Stewart, which days they fly and book direct flights.

Nonstop departures

Ontario to New Windsor Stewart

Monday

Allegiant Air, Breeze Airways, PLAY

Allegiant Air, Breeze Airways, +1 more

Tuesday

PLAY

PLAY

Wednesday

PLAY, Allegiant Air

PLAY, Allegiant Air

Thursday

Allegiant Air, Breeze Airways, PLAY

Allegiant Air, Breeze Airways, +1 more

Friday

Allegiant Air, Breeze Airways, PLAY

Allegiant Air, Breeze Airways, +1 more

Saturday

PLAY, Allegiant Air

PLAY, Allegiant Air

Sunday

Allegiant Air, Breeze Airways, PLAY

Allegiant Air, Breeze Airways, +1 more

See more direct flights

Nonstop returns

New Windsor Stewart to Ontario

Monday

Allegiant Air, Breeze Airways, PLAY

Allegiant Air, Breeze Airways, +1 more

Tuesday

PLAY

PLAY

Wednesday

PLAY, Allegiant Air

PLAY, Allegiant Air

Thursday

Allegiant Air, Breeze Airways, PLAY

Allegiant Air, Breeze Airways, +1 more

Friday

Allegiant Air, Breeze Airways, PLAY

Allegiant Air, Breeze Airways, +1 more

Saturday

PLAY, Allegiant Air

PLAY, Allegiant Air

Sunday

Allegiant Air, Breeze Airways, PLAY

Allegiant Air, Breeze Airways, +1 more

See more direct flights
See more direct flights

Book cheap flights from Ontario to Stewart Intl.

Recent round-trip flight deals

5/11Sat
1 stop
17h 30mYYZ-SWF
5/23Thu
1 stop
12h 35mSWF-YYZ
$606
7/3Wed
1 stop
25h 55mYYZ-SWF
7/7Sun
1 stop
12h 51mSWF-YYZ
$740
5/23Thu
3 stops
25h 25mYYZ-SWF
5/27Mon
2 stops
21h 55mSWF-YYZ
$850
5/19Sun
2 stops
20h 05mYYZ-SWF
5/26Sun
2 stops
19h 09mSWF-YYZ
$984
6/13Thu
3 stops
22h 35mYYZ-SWF
6/18Tue
3 stops
22h 50mSWF-YYZ
$1,403
6/13Thu
2 stops
24h 35mYYZ-SWF
6/18Tue
2 stops
20h 30mSWF-YYZ
$1,658
5/6Mon
2 stops
20h 55mYYZ-SWF
5/10Fri
3 stops
34h 57mSWF-YYZ
$1,755
5/6Mon
3 stops
35h 10mYYZ-SWF
5/10Fri
3 stops
34h 57mSWF-YYZ
$1,814
5/3Fri
3 stops
24h 35mYYZ-SWF
5/6Mon
2 stops
21h 55mSWF-YYZ
$1,830
5/3Fri
3 stops
24h 35mYYZ-SWF
5/6Mon
3 stops
25h 10mSWF-YYZ
$2,274

Search by stops

Search by price

Recent one-way flight deals

5/2Thu
2 stops
21h 11mYOW-SWF
$193
5/11Sat
2 stops
19h 45mYYZ-SWF
$197
5/2Thu
2 stops
29h 36mYYZ-SWF
$204
6/7Fri
1 stop
14h 31mYYZ-SWF
$214
6/1Sat
1 stop
13h 30mYYZ-SWF
$218
5/4Sat
2 stops
18h 50mYOW-SWF
$219
6/1Sat
1 stop
13h 30mYYZ-SWF
$220
5/18Sat
2 stops
19h 45mYYZ-SWF
$221
6/8Sat
1 stop
13h 30mYYZ-SWF
$225
6/8Sat
1 stop
13h 30mYYZ-SWF
$227

Search by stops

Search by price

Flights to Stewart Intl.

Destination:

Stewart Intl. (SWF)United States

Return flight deals:

Stewart Intl. - Ontario

Cabin classes: