HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$108+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — ORD
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Bellingham to Illinois with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$396
(Alaska Airlines)

One-way from

$108
(Mytrip)

Popular in

July

Cheapest in

March

Average price

$564
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
Highest demand for flights based on searches. 18% potential increase in price ($117 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 29, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/78:02 amBLI - ORD
1 stop21h 01mAlaska Airlines
Fri 9/196:20 amORD - BLI
1 stop17h 25mAlaska Airlines
Deal found 4/29$396

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 April 29, 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

Sun 9/7

8:02 am-7:03 am

1 stop21h 01m

Chicago O'Hare Intl

Fri 9/19

6:20 am-9:45 pm

1 stop17h 25m

$396

BellinghamChicago

BLI - ORD

BLIORD

Bellingham

Mon 6/2

6:00 am-10:55 am

1 stop26h 55m

$108

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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 April 29, 2025.
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

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
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Entertainment

7.1

Boarding

8.2

Food

7.1

Crew

8.5

Overall

8.0

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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Bellingham to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Los Angeles flights
Seattle to Dallas/Fort Worth flights
Seattle to John F Kennedy Intl flights
Seattle to Las Vegas flights
Seattle to Newark flights
Seattle to Denver flights
Seattle to Honolulu flights
Seattle to Santa Ana flights
Seattle to Hobby flights
Seattle to San Diego flights
Seattle to Dulles Intl flights
Seattle to Sky Harbor Intl flights
Seattle to LaGuardia flights
Seattle to O'Hare Intl flights
Seattle to Reagan-National flights
Portland to Los Angeles flights
Seattle to George Bush Intcntl flights
Seattle to Ontario flights
Seattle to Atlanta flights
Seattle to Boston flights
Seattle to Orlando flights
Portland to John F Kennedy Intl flights
Seattle to Burbank flights
Portland to Newark flights
Seattle to San Francisco flights
Portland to Las Vegas flights
Seattle to Detroit flights
Seattle to San Jose flights
Seattle to Baltimore flights
Seattle to Salt Lake City flights
Seattle to Philadelphia flights
Portland to Dallas/Fort Worth flights
Portland to O'Hare Intl flights
Seattle to Kahului flights
Seattle to Austin flights
Seattle to Nashville flights
Seattle to New Orleans flights
Seattle to Miami flights
Everett to Las Vegas flights
Seattle to Minneapolis flights
Seattle to Kailua-Kona flights
Portland to Honolulu flights
Portland to Sky Harbor Intl flights
Seattle to Oakland flights
Portland to Orlando flights
Portland to Boston flights
Everett to Los Angeles flights
Seattle to Midway flights
Portland to LaGuardia flights
Seattle to Milwaukee flights

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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$372Average$513FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.