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ONT - BLI

$220 Find Cheap Flights from Ontario to Bellingham - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$220
Typical prices: $354-$586
Multiple Airlines
Sat 12/8Fri 12/14
ONT - BLI • 2 stops
Cheapest one-way
$236
Typical prices: $223-$292
Alaska Airlines
Mon 11/26
ONT - BLI • 1 stop
When to travel
February
Cheapest • 48% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Las Vegas Harry Reid Intl (LAS)
Cheapest • Avg $336 (round-trip)
Seattle/Tacoma Intl (SEA)
Shortest trip • 5h 43m (one-way)
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We hope you love your trip to Bellingham!

Cheap Flights from Ontario to Bellingham (ONT-BLI)

 

Cheap flights from Ontario to Bellingham with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Tue, Dec 8 - Mon, Dec 14
Multiple Airlines Logo
7:26 pm - 9:01 amONT  Ontario-BLI Bellingham
37h 35m2 stops San Francisco Las Vegas Harry Reid Intl
Multiple Airlines Logo
11:11 am - 11:51 amBLI  Bellingham-ONT Ontario
24h 40m1 stop Las Vegas Harry Reid Intl
$220Multiple Airlines
Fri, Jan 22 - Sun, Jan 24
Alaska Airlines Logo
4:16 pm - 11:50 pmONT  Ontario-BLI Bellingham
7h 34m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
12:32 pm - 8:02 pmBLI  Bellingham-ONT Ontario
7h 30m1 stop Portland
$402Alaska Airlines
Fri, Dec 18 - Sun, Dec 20
Multiple Airlines Logo
10:32 pm - 10:48 amONT  Ontario-BLI Bellingham
12h 16m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
4:41 pm - 6:15 amBLI  Bellingham-ONT Ontario
13h 34m1 stop Las Vegas Harry Reid Intl
$407Multiple Airlines
Tue, Dec 8 - Mon, Dec 14
Alaska Airlines Logo
6:01 pm - 10:58 pmONT  Ontario-BLI Bellingham
4h 57m1 stop Portland
Alaska Airlines Logo
7:31 pm - 11:13 amBLI  Bellingham-ONT Ontario
15h 42m1 stop Seattle/Tacoma Intl
$431Alaska Airlines
Fri, Jan 29 - Fri, Feb 5
Alaska Airlines Logo
4:16 pm - 11:50 pmONT  Ontario-BLI Bellingham
7h 34m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
12:32 pm - 5:17 pmBLI  Bellingham-ONT Ontario
4h 45m1 stop Portland
$431Alaska Airlines
Thu, Feb 25 - Mon, Mar 1
Alaska Airlines Logo
6:00 am - 12:17 pmONT  Ontario-BLI Bellingham
6h 17m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
12:56 pm - 10:39 pmBLI  Bellingham-ONT Ontario
9h 43m1 stop Seattle/Tacoma Intl
$439Alaska Airlines
Thu, Feb 11 - Tue, Feb 16
Alaska Airlines Logo
6:00 am - 5:31 pmONT  Ontario-BLI Bellingham
11h 31m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
12:46 pm - 5:15 pmBLI  Bellingham-ONT Ontario
4h 29m1 stop Portland
$442Alaska Airlines
Mon, Dec 7 - Mon, Dec 14
Alaska Airlines Logo
5:01 pm - 11:38 pmONT  Ontario-BLI Bellingham
6h 37m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:31 pm - 11:13 amBLI  Bellingham-ONT Ontario
15h 42m1 stop Seattle/Tacoma Intl
$447Alaska Airlines
Mon, Nov 23 - Sun, May 16
Alaska Airlines Logo
6:07 pm - 11:59 pmONT  Ontario-BLI Bellingham
5h 52m1 stop Portland
Alaska Airlines Logo
8:00 am - 2:58 pmBLI  Bellingham-ONT Ontario
6h 58m1 stop Portland
$481Alaska Airlines
Thu, Feb 11 - Tue, Feb 16
Alaska Airlines Logo
10:03 am - 5:31 pmONT  Ontario-BLI Bellingham
7h 28m2 stops Portland Seattle/Tacoma Intl
Alaska Airlines Logo
12:46 pm - 5:15 pmBLI  Bellingham-ONT Ontario
4h 29m1 stop Portland
$482Alaska Airlines

Price, demand and travel trends for Ontario to Bellingham flights

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

What's the cheapest day of the week to fly from Ontario to Bellingham?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Ontario to Bellingham. It’s 19% cheaper than the average day, while Friday is the most expensive, with prices 40% higher.

Find deals

Key details for Ontario to Bellingham flights

Low season

December

Cheapest flight

$220
Beat the crowds with an average 9% drop in travelers.
Round-trip flight from Ontario to Bellingham

When to book flights from Ontario to Bellingham

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

Your Ontario to Bellingham 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 Ontario to Bellingham?

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

  • How long is a flight from Ontario to Bellingham?

    There are currently no nonstop flights available from Ontario to Bellingham. Flights with 1 layover take between 5h 43m and 8h 40m in total, depending on the connection.

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

    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 much should I expect to pay for a Ontario to Bellingham flight?

    Round-trip flights from Ontario to Bellingham range from $354 to $586, with an average of $440 over the past 12 months. Anything below $354 counts as a good deal.

  • Have flight prices from Ontario to Bellingham changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $220 to $1,110. That means the highest observed fare was about 5x higher than the lowest one.

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

    One-way fares from Ontario to Bellingham are currently higher than usual. Average one-way flight prices are about $308, which is 36% above the typical average for this route.

  • What car rental options are available at Bellingham Airport (BLI)?

    Bellingham Airport (BLI) hosts 5 major car rental companies, with daily rates starting from around $26 for economy cars. Top options include:

    • Alamo
    • Budget
    • Thrifty
    • Dollar
    • Enterprise Rent-A-Car

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

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

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

    Connecting flights from Ontario to Bellingham most commonly pass through:

    • Seattle/Tacoma Intl (SEA) - 85% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 15% of one-stop connections

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

    Yes. Flexible dates can save you up to 42% on flights from Ontario to Bellingham. Wednesday is the cheapest departure day at $360 round-trip on average, while Friday is the most expensive at $620, a difference of $260.

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

  • How much time can I save by choosing a different layover airport from Ontario to Bellingham?

    Flying via Seattle/Tacoma Intl (SEA) gives the shortest average 1-stop total travel time at 5h 43m, compared with 8h 40m via Las Vegas Harry Reid Intl (LAS).

Your guide to booking Ontario to Bellingham flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Friday. On this route, Wednesday flights average $360, about $260 less than Friday fares (42% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Ontario to Bellingham trip for February. Fares historically average $230 round-trip in that month - typically $429 less than the most expensive month, which is September (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Bellingham Airport.

    • Holiday Inn & Suites Bellingham By IHG
    • La Quinta Inn & Suites Bellingham
    • Best Western Plus Bellingham

More options for your flight from Ontario to Bellingham

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

Car rentals in Bellingham
Hotels in Bellingham