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$128+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — ORD
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$266
(Mytrip)

One-way from

$128
(Mytrip)
From Bellingham to Illinois
Search Deals
One-way flight from Bellingham to Illinois
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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 July 31, 2025.

This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/183:31 pmBLI - ORD
1 stop11h 18mMultiple Airlines
Sun 9/218:01 pmORD - BLI
1 stop16h 16mMultiple Airlines
Deal found 7/29$266
This Hawaiian Airlines deal was found by Cheapflights users on 7/30. 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 8/273:47 pmBLI - ORD
1 stop6h 12mHawaiian Airlines
Wed 9/35:45 pmORD - BLI
1 stop8h 26mHawaiian Airlines
Deal found 7/30$334
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 9/193:47 pmBLI - ORD
1 stop6h 16mAlaska Airlines
Tue 9/232:07 pmORD - BLI
2 stops12h 04mAlaska Airlines
Deal found 7/30$364
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Mon 10/274:04 pmBLI - STL
1 stop21h 14mAlaska Airlines
Fri 10/317:00 amSTL - BLI
1 stop19h 06mAlaska Airlines
Deal found 7/30$444
This Mytrip deal was found by Cheapflights users on 7/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2712:54 pmBLI - STL
2 stops19h 05mMultiple Airlines
Fri 10/319:50 amSTL - BLI
3 stops15h 21mMultiple Airlines
Deal found 7/30$528
This Hawaiian Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 12/184:08 pmBLI - STL
1 stop5h 51mHawaiian Airlines
Mon 12/297:00 amSTL - BLI
1 stop7h 18mHawaiian Airlines
Deal found 7/31$874
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Wed 11/268:00 amBLI - STL
2 stops12h 29mAmerican Airlines
Sun 11/3011:39 amSTL - BLI
2 stops12h 41mAmerican Airlines
Deal found 7/31$1,436

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 July 31, 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

Thu 9/18

3:31 pm-4:49 am

1 stop11h 18m

Chicago O'Hare Intl

Sun 9/21

8:01 pm-10:17 am

1 stop16h 16m

$266

BellinghamChicago

BLI - ORD

BLIORD

Bellingham

Wed 8/27

3:47 pm-11:59 pm

1 stop6h 12m

Chicago O'Hare Intl

Wed 9/3

5:45 pm-12:11 am

1 stop8h 26m

$334

BellinghamChicago

BLI - ORD

BLIORD

Bellingham

Fri 9/19

3:47 pm-12:03 am

1 stop6h 16m

Chicago O'Hare Intl

Tue 9/23

2:07 pm-12:11 am

2 stops12h 04m

$364

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Mon 10/27

4:04 pm-3:18 pm

1 stop21h 14m

Lambert-St Louis

Fri 10/31

7:00 am-12:06 am

1 stop19h 06m

$444

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Mon 10/27

12:54 pm-9:59 am

2 stops19h 05m

Lambert-St Louis

Fri 10/31

9:50 am-11:11 pm

3 stops15h 21m

$528

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Thu 12/18

4:08 pm-11:59 pm

1 stop5h 51m

Lambert-St Louis

Mon 12/29

7:00 am-12:18 pm

1 stop7h 18m

$874

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Wed 11/26

8:00 am-10:29 pm

2 stops12h 29m

Lambert-St Louis

Sun 11/30

11:39 am-10:20 pm

2 stops12h 41m

$1,436

BellinghamChicago

BLI - ORD

BLIORD

Bellingham

Thu 9/18

3:31 pm-4:49 am

1 stop11h 18m

$128

BellinghamChicago

BLI - ORD

BLIORD

Bellingham

Tue 9/9

3:47 pm-10:07 pm

1 stop28h 20m

$173

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

Tue 10/21

4:14 pm-12:03 am

1 stop5h 49m

$178

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 11 results
1
2

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.

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 July 31, 2025.
Read through reviews of airlines operating flights from Bellingham to Illinois, such as Alaska Airlines, Hawaiian Airlines, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 $321). 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.

See more FAQs

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