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$212+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — ORD
avr. 22 — avr. 291
mar. 4/22
mar. 4/29
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 avril 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$237
(Mytrip)

One-way from

$212
(Alaska Airlines)

Popular in

July

Cheapest in

March

Average price

$564
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 ($135 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 April 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 avril 17, 2025.

This Mytrip deal was found by Cheapflights users on 4/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 5/183:14 pmBLI - ORD
1 stop18h 22mMultiple Airlines
mer. 5/216:59 pmORD - BLI
1 stop28h 33mMultiple Airlines
Deal found 4/16$237
This Mytrip deal was found by Cheapflights users on 4/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/167:30 amBLI - STL
2 stops23h 45mMultiple Airlines
ven. 5/233:30 pmSTL - BLI
2 stops24h 39mMultiple Airlines
Deal found 4/16$388
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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.
mer. 7/24:05 pmBLI - ORD
1 stop5h 54mAlaska Airlines
lun. 7/76:00 amORD - BLI
1 stop19h 59mAlaska Airlines
Deal found 4/16$476
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/132:51 pmBLI - STL
1 stop7h 08mAlaska Airlines
lun. 5/193:03 pmSTL - BLI
1 stop9h 08mAlaska Airlines
Deal found 4/17$481
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 5/26:00 amBLI - STL
1 stop6h 08mAmerican Airlines
mar. 5/610:36 amSTL - BLI
2 stops12h 06mAmerican Airlines
Deal found 4/16$648

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 avril 17, 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

dim. 5/18

3:14 pm-11:36 am

1 stop18h 22m

Chicago O'Hare Intl

mer. 5/21

6:59 pm-9:32 pm

1 stop28h 33m

$237

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

ven. 5/16

7:30 am-9:15 am

2 stops23h 45m

Lambert-St Louis

ven. 5/23

3:30 pm-2:09 pm

2 stops24h 39m

$388

BellinghamChicago

BLI - ORD

BLIORD

Bellingham

mer. 7/2

4:05 pm-11:59 pm

1 stop5h 54m

Chicago O'Hare Intl

lun. 7/7

7:00 am-11:59 pm

2 stops18h 59m

$476

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

mar. 5/13

2:51 pm-11:59 pm

1 stop7h 08m

Lambert-St Louis

lun. 5/19

3:03 pm-10:11 pm

1 stop9h 08m

$481

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

ven. 5/2

6:00 am-2:08 pm

1 stop6h 08m

Lambert-St Louis

mar. 5/6

10:36 am-8:42 pm

2 stops12h 06m

$648

BellinghamSt. Louis

BLI - STL

BLISTL

Bellingham

mar. 5/13

2:51 pm-11:59 pm

1 stop7h 08m

$212

BellinghamChicago

BLI - ORD

BLIORD

Bellingham

mer. 6/18

4:05 pm-11:59 pm

1 stop5h 54m

$248

BellinghamChicago

BLI - ORD

BLIORD

Bellingham

mer. 6/18

6:00 am-11:39 pm

2 stops15h 39m

$353

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

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 avril 17, 2025.
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.9

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
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.9

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
2,382 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.9

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
9,882 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.1

Food

7.1

Comfort

7.9

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.

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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 avril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$372Average$513FlexibilityNo cancel feeOn-time75%

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