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).

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

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

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. Other layover airports each see under 5%.

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

Yes. Being flexible with your travel dates can save you up to 44% on the Bellingham to Ontario route. Monday is the cheapest departure day at $347 round-trip on average, while Wednesday is the most expensive at $612, a difference of $265. 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, Ontario Mills and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

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.

Have flight prices from Bellingham to Ontario 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 $353 to $1,082. That means the highest observed fare was about 3x higher than the lowest one.

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

One-way fares from Bellingham to Ontario are currently lower than usual. Average one-way flight prices are about $213, which is 18% below 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 starting from around $18 for economy cars. Top options include: · Fox · Thrifty · Europcar · Dollar · Alamo

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

Round-trip flights from Bellingham to Ontario range from $347 to $436, with an average of $379 over the past 12 months. Anything below $347 counts as a good deal.

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

Alaska Airlines ($353) offered the cheapest round-trip ticket from Bellingham to Ontario in the last 5 days.

What is the cheapest layover airport when flying from Bellingham to Ontario?

Flights via Seattle/Tacoma Intl (SEA) offer the most affordable fares, with an average round-trip price of $402. Based on KAYAK data over the past 3 months.

When flying from Bellingham to Ontario which airport offers the shortest layover?

Seattle/Tacoma Intl (SEA) had the shortest average connection time for Bellingham to Ontario layovers at 246 minutes over the past 3 months.

$153 CHEAP FLIGHTS from Bellingham to Ontario (BLI - ONT)

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Cheapest round-trip

$353

Typical prices: $347-$436

Alaska Airlines

Sun 11/11Wed 11/14

BLI - ONT • 1 stop

Cheapest one-way

$153

Typical prices: $181-$298

Multiple Airlines

Tue 9/25

BLI - ONT • 1 stop

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We hope you love your trip to Ontario!

Flight Deals

Cheap Flights from Bellingham to Ontario (BLI-ONT)

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from Bellingham to Ontario

Wed, Nov 11 - Sat, Nov 14

1:58 pm - 6:17 pmBLI Bellingham-ONT Ontario

4h 19m1 stop Seattle/Tacoma Intl

7:15 am - 12:06 pmONT Ontario-BLI Bellingham

4h 51m1 stop Portland

$353Alaska Airlines

Fri, Oct 2 - Sat, Oct 3

6:00 am - 11:22 amBLI Bellingham-ONT Ontario

5h 22m1 stop Las Vegas Harry Reid Intl

2:30 pm - 1:40 pmONT Ontario-BLI Bellingham

23h 10m1 stop Las Vegas Harry Reid Intl

$365Multiple Airlines

Fri, Oct 30 - Wed, Nov 4

7:18 pm - 11:42 pmBLI Bellingham-ONT Ontario

4h 24m1 stop Seattle/Tacoma Intl

6:00 am - 1:18 pmONT Ontario-BLI Bellingham

7h 18m1 stop Seattle/Tacoma Intl

$384Alaska Airlines

Wed, Oct 21 - Mon, Oct 26

7:18 pm - 10:17 amBLI Bellingham-ONT Ontario

14h 59m1 stop Seattle/Tacoma Intl

11:13 am - 6:38 pmONT Ontario-BLI Bellingham

7h 25m1 stop Seattle/Tacoma Intl

$386Alaska Airlines

Fri, Oct 30 - Wed, Nov 4

7:18 pm - 11:42 pmBLI Bellingham-ONT Ontario

4h 24m1 stop Seattle/Tacoma Intl

6:00 am - 1:18 pmONT Ontario-BLI Bellingham

7h 18m1 stop Seattle/Tacoma Intl

$387Alaska Airlines

Fri, Oct 23 - Sun, Oct 25

7:18 pm - 11:42 pmBLI Bellingham-ONT Ontario

4h 24m1 stop Seattle/Tacoma Intl

6:02 am - 1:37 pmONT Ontario-BLI Bellingham

7h 35m1 stop Seattle/Tacoma Intl

$401Alaska Airlines

Fri, Oct 30 - Thu, Nov 5

7:18 pm - 11:42 pmBLI Bellingham-ONT Ontario

4h 24m1 stop Seattle/Tacoma Intl

7:15 am - 12:06 pmONT Ontario-BLI Bellingham

4h 51m1 stop Portland

$404Alaska Airlines

Fri, Feb 12 - Sun, Feb 21

12:46 pm - 5:15 pmBLI Bellingham-ONT Ontario

4h 29m1 stop Portland

6:10 pm - 10:51 pmONT Ontario-BLI Bellingham

4h 41m1 stop Portland

$405Alaska Airlines

Fri, Oct 23 - Sun, Oct 25

7:18 pm - 11:42 pmBLI Bellingham-ONT Ontario

4h 24m1 stop Seattle/Tacoma Intl

6:02 am - 1:37 pmONT Ontario-BLI Bellingham

7h 35m1 stop Seattle/Tacoma Intl

$411Alaska Airlines

Wed, Nov 11 - Sat, Nov 14

8:33 am - 3:26 pmBLI Bellingham-ONT Ontario

6h 53m2 stops Portland Boise Air Term. Gowen Fld

7:15 am - 12:06 pmONT Ontario-BLI Bellingham

4h 51m1 stop Portland

$412Alaska Airlines

Recent last minute flight deals from Bellingham to Ontario

Fri, Aug 28 - Sun, Aug 30

7:19 pm - 11:04 amBLI Bellingham-ONT Ontario

15h 45m1 stop Seattle/Tacoma Intl

10:47 am - 10:31 pmONT Ontario-BLI Bellingham

11h 44m1 stop Portland

$593Alaska Airlines

Fri, Aug 28 - Sun, Aug 30

7:19 pm - 11:04 amBLI Bellingham-ONT Ontario

15h 45m1 stop Seattle/Tacoma Intl

7:12 am - 10:31 pmONT Ontario-BLI Bellingham

15h 19m1 stop Portland

$626Alaska Airlines

Fri, Aug 28 - Sun, Aug 30

7:30 am - 11:04 amBLI Bellingham-ONT Ontario

27h 34m2 stops Portland Seattle/Tacoma Intl

6:02 am - 1:12 pmONT Ontario-BLI Bellingham

7h 10m1 stop Seattle/Tacoma Intl

$831Alaska Airlines

Fri, Aug 28 - Sun, Aug 30

7:19 pm - 8:24 pmBLI Bellingham-ONT Ontario

25h 05m2 stops Seattle/Tacoma Intl Portland

6:02 am - 1:12 pmONT Ontario-BLI Bellingham

7h 10m1 stop Seattle/Tacoma Intl

$864Alaska Airlines

Fri, Aug 28 - Sun, Aug 30

7:19 pm - 11:04 amBLI Bellingham-ONT Ontario

15h 45m1 stop Seattle/Tacoma Intl

12:00 pm - 10:31 pmONT Ontario-BLI Bellingham

10h 31m2 stops Seattle/Tacoma Intl Portland

$872Alaska Airlines

Fri, Aug 28 - Sun, Aug 30

1:52 pm - 5:10 pmBLI Bellingham-ONT Ontario

27h 18m2 stops Seattle/Tacoma Intl Portland

6:05 pm - 10:31 pmONT Ontario-BLI Bellingham

4h 26m1 stop Portland

$884Alaska Airlines

Fri, Aug 28 - Sun, Aug 30

5:26 am - 4:10 pmBLI Bellingham-ONT Ontario

10h 44m2 stops Seattle/Tacoma Intl Boise Air Term. Gowen Fld

10:47 am - 6:39 pmONT Ontario-BLI Bellingham

7h 52m2 stops Portland Seattle/Tacoma Intl

$1,126Alaska Airlines

Fri, Aug 28 - Sun, Aug 30

5:26 am - 4:10 pmBLI Bellingham-ONT Ontario

10h 44m2 stops Seattle/Tacoma Intl Boise Air Term. Gowen Fld

10:47 am - 6:39 pmONT Ontario-BLI Bellingham

7h 52m2 stops Portland Seattle/Tacoma Intl

$1,146Alaska Airlines

Fri, Aug 28 - Sun, Aug 30

7:30 am - 7:03 pmBLI Bellingham-ONT Ontario

11h 33m2 stops Portland Seattle/Tacoma Intl

10:47 am - 6:39 pmONT Ontario-BLI Bellingham

7h 52m2 stops Portland Seattle/Tacoma Intl

$1,151Alaska Airlines

Fri, Aug 28 - Sun, Aug 30

5:26 am - 4:10 pmBLI Bellingham-ONT Ontario

10h 44m2 stops Seattle/Tacoma Intl Boise Air Term. Gowen Fld

12:00 pm - 10:31 pmONT Ontario-BLI Bellingham

10h 31m2 stops Seattle/Tacoma Intl Portland

$1,191Alaska 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 from Bellingham to Ontario with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Bellingham to Ontario?

Round-trip flights from Bellingham to Ontario start at $353. Prices are typical for this route right now, with typical round-trip fares ranging from $347 to $436. The lowest price found in the past 5 days was $353 on Alaska Airlines.

Find deals

Cheapest flight	$153

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

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

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).
What cabin classes can I book on flights from Bellingham to Ontario?
Only Economy Class is available on flights from Bellingham to Ontario.
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. Other layover airports each see under 5%.
Can I save money by using flexible dates for flights from Bellingham to Ontario?
Yes. Being flexible with your travel dates can save you up to 44% on the Bellingham to Ontario route. Monday is the cheapest departure day at $347 round-trip on average, while Wednesday is the most expensive at $612, a difference of $265. 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, Ontario Mills and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.
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.
Have flight prices from Bellingham to Ontario 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 $353 to $1,082. That means the highest observed fare was about 3x higher than the lowest one.
How are flight prices from Bellingham to Ontario looking right now?
One-way fares from Bellingham to Ontario are currently lower than usual. Average one-way flight prices are about $213, which is 18% below 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 starting from around $18 for economy cars. Top options include:
· Fox
· Thrifty
· Europcar
· Dollar
· Alamo
How much should I expect to pay for a Bellingham to Ontario flight?
Round-trip flights from Bellingham to Ontario range from $347 to $436, with an average of $379 over the past 12 months. Anything below $347 counts as a good deal.

If your dates can be flexible, aim for a Monday departure instead of Wednesday. On this route, Monday flights average $347 - about $265 less than Wednesday (43% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.
- Azure Hotel & Suites, Trademark Collection by Wyndham
- La Quinta Inn & Suites by Wyndham Ontario Airport
- Holiday Inn Ontario Airport By IHG

Everything you need to know for your flight from Bellingham to Ontario

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Bellingham (BLI)

Ontario (ONT)

BLI - ONT

$153 Find Cheap Flights from Bellingham to Ontario - Compare and Save

Everything you should know

Cheap Flights from Bellingham to Ontario (BLI-ONT)

Recent round-trip flight deals from Bellingham to Ontario

Recent one-way flight deals from Bellingham to Ontario

Recent last minute flight deals from Bellingham to Ontario

Price, demand and travel trends for Bellingham to Ontario flights

How much is a round-trip flight from Bellingham to Ontario?

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

What is the cheapest layover airport when flying from Bellingham to Ontario?

When flying from Bellingham to Ontario which airport offers the shortest layover?

Key details for Bellingham to Ontario flights

Cheapest flight

When to book flights from Bellingham to Ontario

Your Bellingham to Ontario flight questions, answered

Your guide to booking Bellingham to Ontario flights

Everything you need to know for your flight from Bellingham to Ontario

Information on your arrival and departure airports

Cabin class types available on flights from Bellingham to Ontario

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

Find direct flights to and from Bellingham and Ontario

Flights to other popular destinations

Flights from domestic origins to Ontario

Choose which airport to fly into in Ontario

Find deals for your return flight