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$184+ 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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — ORD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:30 amBLI - STL
1 stop30h 54mMultiple Airlines
Sun 1/119:46 pmSTL - BLI
1 stop24h 45mMultiple Airlines
Deal found 12/16$343
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:30 amBLI - STL
1 stop30h 54mMultiple Airlines
Wed 1/77:43 pmSTL - BLI
2 stops20h 08mMultiple Airlines
Deal found 12/16$384
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:00 amBLI - STL
2 stops23h 40mMultiple Airlines
Sun 1/119:46 pmSTL - BLI
1 stop24h 45mMultiple Airlines
Deal found 12/16$391
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:30 amBLI - STL
1 stop30h 54mMultiple Airlines
Thu 1/83:43 pmSTL - BLI
2 stops30h 36mMultiple Airlines
Deal found 12/16$395
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:30 amBLI - STL
1 stop30h 54mMultiple Airlines
Sat 1/107:43 pmSTL - BLI
2 stops20h 08mMultiple Airlines
Deal found 12/16$424
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:00 amBLI - STL
1 stop30h 24mMultiple Airlines
Wed 1/77:43 pmSTL - BLI
2 stops20h 08mMultiple Airlines
Deal found 12/16$459
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:00 amBLI - STL
1 stop30h 24mMultiple Airlines
Thu 1/83:43 pmSTL - BLI
2 stops30h 36mMultiple Airlines
Deal found 12/16$470
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/314:06 pmBLI - STL
1 stop5h 53mAlaska Airlines
Wed 1/77:00 amSTL - BLI
1 stop16h 20mAlaska Airlines
Deal found 12/16$480
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/314:06 pmBLI - STL
1 stop5h 53mAlaska Airlines
Tue 1/65:26 pmSTL - BLI
1 stop6h 56mAlaska Airlines
Deal found 12/16$490
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/214:15 pmBLI - ORD
2 stops17h 16mMultiple Airlines
Sun 12/2810:49 pmORD - BLI
1 stop26h 32mMultiple Airlines
Deal found 12/15$651
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/219:00 amBLI - ORD
1 stop19h 05mMultiple Airlines
Mon 12/295:15 amORD - BLI
2 stops34h 27mMultiple Airlines
Deal found 12/15$682
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/203:32 pmBLI - ORD
2 stops30h 40mMultiple Airlines
Thu 12/253:27 pmORD - BLI
1 stop22h 45mMultiple Airlines
Deal found 12/17$701

Find flight deals from Bellingham to Illinois

Keep the following information in mind while searching for Bellingham to Illinois flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$294
(Kiwi.com)

One-way from

$184
(Kiwi.com)
Provider with most accurate pricing for Bellingham-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bellingham-Chicago (CHI) flights.
Search Deals
From Bellingham to Illinois
Search Deals
One-way flight from Bellingham to Illinois
Search Deals

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 December 18, 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

Mon 2/2

1:03 pm-5:10 pm

1 stop26h 07m

Chicago O'Hare Intl

Thu 2/5

6:06 pm-12:23 pm

1 stop20h 17m

$344

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Tue 12/30

7:30 am-10:02 am

2 stops24h 32m

Lambert-St Louis

Sun 1/11

9:46 pm-8:31 pm

1 stop24h 45m

$346

BellinghamChicago

BLI - ORD

BLIORD

Bellingham

Tue 1/6

4:06 pm-5:02 am

2 stops10h 56m

Chicago O'Hare Intl

Tue 1/13

6:06 pm-12:06 am

1 stop8h 00m

$358

BellinghamChicago

BLI - ORD

BLIORD

Bellingham

Fri 1/16

1:03 pm-11:50 pm

1 stop8h 47m

Chicago O'Hare Intl

Mon 1/19

8:00 am-12:06 am

1 stop18h 06m

$363

BellinghamChicago

BLI - ORD

BLIORD

Bellingham

Tue 1/6

4:06 pm-5:02 am

2 stops10h 56m

Chicago O'Hare Intl

Thu 1/15

6:06 pm-12:06 am

1 stop8h 00m

$368

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Thu 1/29

1:03 pm-1:54 pm

1 stop22h 51m

Lambert-St Louis

Mon 2/2

2:50 pm-12:06 am

1 stop11h 16m

$369

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Wed 1/14

1:03 pm-1:54 pm

1 stop22h 51m

Lambert-St Louis

Wed 1/21

2:50 pm-12:06 am

1 stop11h 16m

$369

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Mon 1/5

6:00 am-9:25 pm

1 stop13h 25m

Lambert-St Louis

Thu 1/8

3:43 pm-8:19 pm

2 stops30h 36m

$374

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Mon 1/5

12:56 pm-4:26 pm

1 stop25h 30m

Lambert-St Louis

Sat 1/10

6:19 pm-12:06 am

1 stop7h 47m

$413

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Mon 1/5

12:56 pm-4:26 pm

1 stop25h 30m

Lambert-St Louis

Wed 1/7

2:50 pm-9:20 pm

1 stop8h 30m

$413

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 23 results
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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
No data available for this route at this time. Please check back soon.

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.

  • How long is the flight from Bellingham to Illinois?

    Alaska Airlines can get you from Bellingham to Illinois in just under 26h 07m. Your travel time can differ by up to . The distance from Bellingham to Illinois is about 1727 mi.

  • 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.

See more FAQs

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