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$127+ Cheap flights from Bellingham (BLI) to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — ORD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Bellingham to Illinois

Keep the following information in mind while searching for Bellingham to Illinois flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$384
(Alaska Airlines)

One-way from

$127
(Mytrip)

Popular in

July

Cheapest in

October

Average price

$465
Provider with most accurate pricing for Bellingham-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Bellingham-Chicago (CHI) flights.
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From Bellingham to Illinois
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One-way flight from Bellingham to Illinois
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Highest demand for flights based on searches. 20% potential increase in price ($130 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Bellingham to Illinois

Cheapest flights from Bellingham to Illinois
Explore the most affordable flight options available from Bellingham to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Alaska Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/286:00 amBLI - ORD
1 stop21h 40mAlaska Airlines
Sun 6/17:00 amORD - BLI
2 stops10h 25mAlaska Airlines
Deal found 3/27$384
This Hawaiian Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/284:05 pmBLI - ORD
1 stop5h 54mHawaiian Airlines
Sun 6/16:00 amORD - BLI
1 stop8h 19mHawaiian Airlines
Deal found 3/26$389
This Alaska Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/281:01 pmBLI - STL
1 stop8h 58mAlaska Airlines
Fri 4/43:11 pmSTL - BLI
1 stop10h 48mAlaska Airlines
Deal found 3/27$724
This American Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/108:10 amBLI - ORD
2 stops9h 24mAmerican Airlines
Tue 10/143:18 pmORD - BLI
2 stops10h 33mAmerican Airlines
Deal found 3/25$1,021

Cheapflights Fare Finder

Customize your flight search to find flights from Bellingham to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
Use the filters below to find and compare flights from Bellingham to Illinois that are best for you.

Fly from

Bellingham

Fly to

Illinois

Route

Depart

Return

Price

BellinghamChicago

BLI - ORD

BLIORD

Bellingham

Wed 5/28

6:00 am-5:40 am

1 stop21h 40m

Chicago O'Hare Intl

Sun 6/1

7:00 am-3:25 pm

2 stops10h 25m

$384

BellinghamChicago

BLI - ORD

BLIORD

Bellingham

Wed 5/28

4:05 pm-11:59 pm

1 stop5h 54m

Chicago O'Hare Intl

Sun 6/1

6:00 am-12:19 pm

1 stop8h 19m

$389

BellinghamChicago

BLI - ORD

BLIORD

Bellingham

Mon 4/14

5:20 am-5:24 pm

1 stop10h 04m

Chicago O'Hare Intl

Tue 4/22

3:18 pm-11:59 pm

2 stops10h 41m

$1,057

BellinghamChicago

BLI - ORD

BLIORD

Bellingham

Wed 4/9

8:30 am-6:33 am

1 stop20h 03m

$127

BellinghamChicago

BLI - ORD

BLIORD

Bellingham

Sun 6/29

8:05 am-11:39 pm

2 stops13h 34m

$199

BellinghamChicago

BLI - ORD

BLIORD

Bellingham

Thu 6/19

6:00 am-6:03 am

2 stops22h 03m

$328

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Best time to book a flight from Bellingham to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Bellingham with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Bellingham to Illinois

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated March 28, 2025.
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
9,798 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.9
Good
2,336 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Comfort

7.9

Boarding

8.2

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

Find useful and relevant information for your journey from Bellingham to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Bellingham to Illinois?

    For a flight from Bellingham to Illinois, you will be flying from Bellingham. Bellingham (BLI) is just 3.2 mi from the center of the city.

  • Can I find deals for flights from Bellingham to Illinois that include hotel bookings?

    Yes. In addition to deals on Bellingham to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Bellingham to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Bellingham to Illinois.

  • Can I find deals for business class flights from Bellingham to Illinois?

    Yes. Cheapflights offers flight deals from Bellingham to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Bellingham to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Bellingham to Illinois (average of $245). Flying from Bellingham to Illinois in March is currently the most expensive (average of $323). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top airline flying from Bellingham to Illinois

Discover the top airline that operate flights from Bellingham to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$372Average$528FlexibilityNo cancel feeOn-time75%
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