BLI - ONT

$147 Find Cheap Flights from Bellingham to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$147
Typical prices: $436-$592
Multiple Airlines
Thu 2/1Sat 2/24
BLI - ONT • 1 stop
Cheapest one-way
$161
Typical prices: $166-$298
Multiple Airlines
Wed 12/19
BLI - ONT • 1 stop
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Flight Deals

Cheap Flights from Bellingham to Ontario (BLI-ONT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Bellingham to Ontario

Mon, Feb 1 - Wed, Feb 24
Multiple Airlines Logo
10:12 am - 7:07 amBLI  Bellingham-ONT Ontario
20h 55m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
8:02 am - 9:47 amONT  Ontario-BLI Bellingham
25h 45m1 stop Las Vegas Harry Reid Intl
$147Multiple Airlines
Fri, Jan 8 - Wed, Jan 13
Multiple Airlines Logo
8:22 pm - 8:05 amBLI  Bellingham-ONT Ontario
11h 43m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
9:22 pm - 9:32 amONT  Ontario-BLI Bellingham
12h 10m1 stop Las Vegas Harry Reid Intl
$153Multiple Airlines
Mon, Feb 1 - Wed, Feb 24
Multiple Airlines Logo
10:12 am - 12:05 amBLI  Bellingham-ONT Ontario
13h 53m2 stops Las Vegas Harry Reid Intl Denver Intl
Multiple Airlines Logo
8:02 am - 9:47 amONT  Ontario-BLI Bellingham
25h 45m1 stop Las Vegas Harry Reid Intl
$237Multiple Airlines
Fri, Jan 8 - Wed, Jan 13
Multiple Airlines Logo
8:22 pm - 11:30 amBLI  Bellingham-ONT Ontario
39h 08m2 stops Las Vegas Harry Reid Intl San Francisco
Multiple Airlines Logo
9:22 pm - 9:32 amONT  Ontario-BLI Bellingham
12h 10m1 stop Las Vegas Harry Reid Intl
$263Multiple Airlines
Thu, Feb 18 - Sun, Feb 21
Multiple Airlines Logo
8:27 pm - 7:07 amBLI  Bellingham-ONT Ontario
10h 40m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
6:27 pm - 8:52 amONT  Ontario-BLI Bellingham
14h 25m1 stop Las Vegas Harry Reid Intl
$285Multiple Airlines
Thu, Feb 18 - Sun, Feb 21
Multiple Airlines Logo
8:27 pm - 7:07 amBLI  Bellingham-ONT Ontario
10h 40m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
12:15 pm - 7:37 pmONT  Ontario-BLI Bellingham
7h 22m1 stop Las Vegas Harry Reid Intl
$300Multiple Airlines
Thu, Feb 18 - Sun, Feb 21
Multiple Airlines Logo
8:27 pm - 11:19 amBLI  Bellingham-ONT Ontario
14h 52m2 stops Las Vegas Harry Reid Intl San Francisco
Multiple Airlines Logo
6:27 pm - 8:52 amONT  Ontario-BLI Bellingham
14h 25m1 stop Las Vegas Harry Reid Intl
$338Multiple Airlines
Thu, Feb 18 - Sun, Feb 21
Multiple Airlines Logo
10:37 am - 11:19 amBLI  Bellingham-ONT Ontario
24h 42m2 stops Las Vegas Harry Reid Intl San Francisco
Multiple Airlines Logo
12:15 pm - 7:37 pmONT  Ontario-BLI Bellingham
7h 22m1 stop Las Vegas Harry Reid Intl
$346Multiple Airlines
Fri, Jan 22 - Mon, Jan 25
Multiple Airlines Logo
10:12 am - 5:55 pmBLI  Bellingham-ONT Ontario
7h 43m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
7:20 am - 11:52 amONT  Ontario-BLI Bellingham
4h 32m1 stop Portland
$376Multiple Airlines
Sat, May 1 - Tue, May 4
Alaska Airlines Logo
5:14 am - 11:09 amBLI  Bellingham-ONT Ontario
5h 55m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:00 am - 12:17 pmONT  Ontario-BLI Bellingham
6h 17m1 stop Seattle/Tacoma Intl
$411Alaska Airlines
Booking Insights

Price, demand and travel trends for Bellingham to Ontario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Which airline is the cheapest to fly from Bellingham to Ontario?

Alaska Airlines ($411) offered the cheapest round-trip ticket from Bellingham to Ontario in the last 5 days.

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Key details for Bellingham to Ontario flights

Cheapest flight

$147
Round-trip flight from Bellingham to Ontario

When to book flights from Bellingham to Ontario

Are your dates flexible? Find out the best times to travel from Bellingham to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Bellingham to Ontario flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Bellingham to Ontario?

    Only Economy Class is available on flights from Bellingham to Ontario.

  • Do I need a passport to fly from Bellingham to Ontario?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How are flight prices from Bellingham to Ontario looking right now?

    One-way fares from Bellingham to Ontario are currently higher than usual. Average one-way flight prices are about $288, which is 48% above the typical average for this route.

  • What car rental options are available at Ontario Airport (ONT)?

    Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates averaging $60 for economy cars. Top options include:

    • Fox
    • Europcar
    • Thrifty
    • Alamo
    • Dollar

  • Which airports can I use when flying from Bellingham to Ontario?

    Flights from Bellingham to Ontario usually depart from Bellingham (BLI) and arrive at Ontario (ONT).

  • Which airports do connecting flights from Bellingham to Ontario pass through?

    Most connecting flights from Bellingham to Ontario pass through Seattle/Tacoma Intl (SEA), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Bellingham to Ontario?

    Yes. Flexible dates can save you up to 70% on flights from Bellingham to Ontario. Monday is the cheapest departure day at $347 round-trip on average, while Wednesday is the most expensive at $1,148, a difference of $801.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Ontario?

    Some of the most popular sights in Ontario are Ontario Convention Center and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

Your guide to booking Bellingham to Ontario flights

Get tips on when to book, when to fly and what to know before your trip.

More options for your flight from Bellingham to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Car rentals in Ontario
Hotels in Ontario
Vacations in Ontario