$222+ Cheap flights from Illinois to Bellingham (BLI)
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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BLI
Mar 7 — Mar 141
1 adult, Economy
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Find cheap flights from Illinois to Bellingham 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
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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 Illinois to Bellingham
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Best
Last-minute
One-way
Cheapest flights from Illinois to BellinghamExplore the most affordable flight options available from Illinois to Bellingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.
Explore the most affordable flight options available from Illinois to Bellingham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/1. 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.
Tue 3/35:29 pm
ORD
- BLI
1 stop19h 44m
Alaska Airlines
Tue 3/1011:53 am
BLI
- ORD
1 stop10h 03m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 2/284:29 pm
ORD
- BLI
2 stops47h 43m
Multiple Airlines
Sun 3/81:04 pm
BLI
- ORD
1 stop15h 08m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$384
This Alaska Airlines deal was found by Cheapflights users on 2/1. 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.
Thu 2/265:29 pm
ORD
- BLI
1 stop19h 44m
Alaska Airlines
Mon 3/24:19 pm
BLI
- ORD
1 stop22h 14m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$413
This Travelocity deal was found by Cheapflights users on 2/1. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:20 am
ORD
- BLI
1 stop17h 31m
Alaska Airlines
Mon 8/101:54 pm
BLI
- ORD
1 stop8h 05m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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.
Sat 2/287:00 am
ORD
- BLI
1 stop11h 24m
Alaska Airlines
Sun 3/811:53 am
BLI
- ORD
1 stop22h 08m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$423
Best flights from Illinois to BellinghamDiscover carefully curated flight deals from Illinois to Bellingham that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
Discover carefully curated flight deals from Illinois to Bellingham that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/1. 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.
Tue 3/35:29 pm
ORD
- BLI
1 stop19h 44m
Alaska Airlines
Tue 3/1011:53 am
BLI
- ORD
1 stop10h 03m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$350
This Alaska Airlines deal was found by Cheapflights users on 2/1. 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.
Thu 2/265:29 pm
ORD
- BLI
1 stop19h 44m
Alaska Airlines
Mon 3/24:19 pm
BLI
- ORD
1 stop22h 14m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$413
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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.
Sat 2/287:00 am
ORD
- BLI
1 stop11h 24m
Alaska Airlines
Sun 3/811:53 am
BLI
- ORD
1 stop22h 08m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$423
This Travelocity deal was found by Cheapflights users on 2/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:53 pm
ORD
- BLI
1 stop7h 16m
Alaska Airlines
Mon 6/228:00 am
BLI
- ORD
1 stop19h 00m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$463
Last-minute flights from Illinois to BellinghamDiscover last-minute flight deals from Illinois to Bellingham. Data last updated February 5, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Bellingham. Data last updated February 5, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 2/1. 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.
Thu 2/265:29 pm
ORD
- BLI
1 stop19h 44m
Alaska Airlines
Mon 3/24:19 pm
BLI
- ORD
1 stop22h 14m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 2/4. 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 2/284:29 pm
ORD
- BLI
2 stops47h 43m
Multiple Airlines
Sun 3/81:04 pm
BLI
- ORD
1 stop15h 08m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$384
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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.
Sat 2/287:00 am
ORD
- BLI
1 stop11h 24m
Alaska Airlines
Sun 3/811:53 am
BLI
- ORD
1 stop22h 08m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$423
This Alaska Airlines deal was found by Cheapflights users on 2/1. 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.
Tue 3/35:29 pm
ORD
- BLI
1 stop19h 44m
Alaska Airlines
Tue 3/1011:53 am
BLI
- ORD
1 stop10h 03m
Alaska Airlines
Deal found 2/1![Alaska Airlines logo]()
$350
One-way flights from Illinois to BellinghamSearch for one-way flight options from Illinois to Bellingham. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
Search for one-way flight options from Illinois to Bellingham. Find affordable one-way fares based on user searches. Data last updated February 5, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 7/177:20 am
ORD
- BLI
1 stop17h 31m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/1810:06 am
SPI
- BLI
3 stops54h 09m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Fri 7/179:02 pm
ORD
- BLI
3 stops41h 24m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/2110:06 am
SPI
- BLI
3 stops54h 09m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$426
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Tue 2/245:00 am
SPI
- BLI
2 stops20h 57m
American Airlines
Deal found 2/2![American Airlines logo]()
$581
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Sun 2/226:54 pm
SPI
- BLI
2 stops31h 03m
American Airlines
Deal found 2/2![American Airlines logo]()
$633
This American Airlines deal was found by Cheapflights users on 2/3. 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 2/2510:01 am
ORD
- BLI
1 stop15h 56m
American Airlines
Deal found 2/3![American Airlines logo]()
$637
This American Airlines deal was found by Cheapflights users on 2/4. 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.
Fri 2/139:40 pm
ORD
- BLI
1 stop20h 44m
American Airlines
Deal found 2/4![American Airlines logo]()
$660
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Tue 2/106:00 am
SPI
- BLI
2 stops17h 20m
American Airlines
Deal found 2/2![American Airlines logo]()
$661
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Thu 2/196:54 pm
SPI
- BLI
2 stops31h 03m
American Airlines
Deal found 2/2![American Airlines logo]()
$673
This Expedia deal was found by Cheapflights users on 2/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/252:07 pm
ORD
- BLI
2 stops23h 06m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$743
This American Airlines deal was found by Cheapflights users on 2/4. 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 2/111:35 pm
ORD
- BLI
2 stops12h 31m
American Airlines
Deal found 2/4![American Airlines logo]()
$762
Find flight deals from Illinois to Bellingham
Keep the following information in mind while searching for Illinois to Bellingham flight deals. Data was last updated February 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $350 (Alaska Airlines) |
One-way from | $222 (Alaska Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Bellingham 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 February 5, 2026.
Use the filters below to find and compare flights from Illinois to Bellingham that are best for you.
Fly from
Illinois
Fly to
Bellingham
Route
Depart
Return
Price
ChicagoBellingham
ORD - BLI
ORDBLI
Chicago O'Hare Intl
Tue 3/3
5:29 pm-11:13 am
1 stop19h 44m
Bellingham
Tue 3/10
11:53 am-11:56 pm
1 stop10h 03m
$350
ChicagoBellingham
ORD - BLI
ORDBLI
Chicago O'Hare Intl
Thu 2/26
5:29 pm-11:13 am
1 stop19h 44m
Bellingham
Mon 3/2
4:19 pm-4:33 pm
1 stop22h 14m
$413
ChicagoBellingham
ORD - BLI
ORDBLI
Chicago O'Hare Intl
Sat 2/28
7:00 am-4:24 pm
1 stop11h 24m
Bellingham
Sun 3/8
11:53 am-12:01 pm
1 stop22h 08m
$423
ChicagoBellingham
ORD - BLI
ORDBLI
Chicago O'Hare Intl
Fri 6/19
6:53 pm-12:09 am
1 stop7h 16m
Bellingham
Mon 6/22
8:00 am-5:00 am
1 stop19h 00m
$463
ChicagoBellingham
ORD - BLI
ORDBLI
Chicago O'Hare Intl
Fri 7/17
7:20 am-10:51 pm
1 stop17h 31m
$222
SpringfieldBellingham
SPI - BLI
SPIBLI
Springfield Capital
Wed 2/18
10:06 am-2:15 pm
3 stops54h 09m
$250
ChicagoBellingham
ORD - BLI
ORDBLI
Chicago O'Hare Intl
Fri 7/17
9:02 pm-12:26 pm
3 stops41h 24m
$422
SpringfieldBellingham
SPI - BLI
SPIBLI
Springfield Capital
Sat 2/21
10:06 am-2:15 pm
3 stops54h 09m
$426
SpringfieldBellingham
SPI - BLI
SPIBLI
Springfield Capital
Tue 2/24
5:00 am-11:57 pm
2 stops20h 57m
$581
SpringfieldBellingham
SPI - BLI
SPIBLI
Springfield Capital
Mon 2/23
5:00 am-11:57 pm
2 stops20h 57m
$633
Showing 1-10 of 18 results
Best time to book a flight from Illinois to Bellingham
Have a flexible travel schedule? Discover the best time to fly to Bellingham from Illinois with our price prediction graph.
ORD-BLI
SPI-BLI
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 Illinois to Bellingham
USIL-BLI
ORD-BLI
SPI-BLI
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 Illinois to Bellingham. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Bellingham?
Book flights to Bellingham if you plan to visit one of these locationsMount Vernon
Burlington
Ferndale
Blaine
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Complete your trip
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Illinois and Bellingham flights
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Consider these flights traveling from Illinois to Bellingham.
Top airline flying from Illinois to Bellingham
Discover the top airline that operate flights from Illinois to Bellingham. 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 February 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$395 | Average$532 | FlexibilityNo cancel fee | On-time75% |