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$198+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — ORD
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$224
(Alaska Airlines)

One-way from

$198
(Trip.com)

Popular in

May

Cheapest in

March

Average price

$460
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. 12% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
mié. 10/221:02 pmBLI - ORD
1 stop8h 57mAlaska Airlines
mar. 11/48:00 amORD - BLI
1 stop9h 31mAlaska Airlines
Deal found 6/10$224
This Mytrip deal was found by Cheapflights users on 6/10. 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.
vie. 7/189:00 pmBLI - ORD
1 stop15h 13mMultiple Airlines
dom. 7/207:08 amORD - BLI
1 stop18h 09mMultiple Airlines
Deal found 6/10$239
This Hawaiian Airlines deal was found by Cheapflights users on 6/12. 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.
mié. 10/221:02 pmBLI - ORD
1 stop8h 57mHawaiian Airlines
mar. 11/410:00 amORD - BLI
1 stop7h 31mHawaiian Airlines
Deal found 6/12$278
This Mytrip deal was found by Cheapflights users on 6/12. 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.
jue. 9/43:31 pmBLI - STL
2 stops14h 18mMultiple Airlines
jue. 9/118:44 amSTL - BLI
2 stops26h 18mMultiple Airlines
Deal found 6/12$298
This Hawaiian Airlines deal was found by Cheapflights users on 6/12. 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.
jue. 9/43:47 pmBLI - STL
1 stop6h 12mHawaiian Airlines
jue. 9/116:30 pmSTL - BLI
1 stop7h 29mHawaiian Airlines
Deal found 6/12$386
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
sáb. 7/2612:56 pmBLI - STL
1 stop23h 30mAlaska Airlines
sáb. 8/27:32 pmSTL - BLI
1 stop6h 27mAlaska Airlines
Deal found 6/11$531

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 junio 12, 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

mié. 10/22

1:02 pm-11:59 pm

1 stop8h 57m

Chicago O'Hare Intl

mar. 11/4

8:00 am-3:31 pm

1 stop9h 31m

$224

BellinghamChicago

BLI - ORD

BLIORD

Bellingham

vie. 7/18

9:00 pm-2:13 pm

1 stop15h 13m

Chicago O'Hare Intl

dom. 7/20

7:08 am-11:17 pm

1 stop18h 09m

$239

BellinghamChicago

BLI - ORD

BLIORD

Bellingham

mié. 10/22

1:02 pm-11:59 pm

1 stop8h 57m

Chicago O'Hare Intl

mar. 11/4

10:00 am-3:31 pm

1 stop7h 31m

$278

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

jue. 9/4

3:31 pm-7:49 am

2 stops14h 18m

Lambert-St Louis

jue. 9/11

8:44 am-9:02 am

2 stops26h 18m

$298

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

jue. 9/4

3:47 pm-11:59 pm

1 stop6h 12m

Lambert-St Louis

jue. 9/11

6:30 pm-11:59 pm

1 stop7h 29m

$386

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

sáb. 7/26

12:56 pm-2:26 pm

1 stop23h 30m

Lambert-St Louis

sáb. 8/2

7:32 pm-11:59 pm

1 stop6h 27m

$531

BellinghamChicago

BLI - ORD

BLIORD

Bellingham

mar. 8/5

4:05 pm-11:59 pm

1 stop5h 54m

$198

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

vie. 7/25

6:00 am-2:39 pm

2 stops30h 39m

$239

BellinghamChicago

BLI - ORD

BLIORD

Bellingham

mar. 8/5

6:00 am-6:18 pm

2 stops10h 18m

$247

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

vie. 7/25

4:05 pm-11:59 pm

1 stop5h 54m

$288

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 junio 12, 2025.
Read reviews from past customers who have flown Alaska Airlines and Hawaiian Airlines from Bellingham to Illinois. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

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
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

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 $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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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$372Average$449FlexibilityNo cancel feeOn-time75%

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