$167+ 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
BLI — ORD
Jul 27 — Aug 31
Round-trip
1 adult, Economy
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Find cheap flights from Bellingham to Illinois with Cheapflights
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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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Cheapest flights from Bellingham to IllinoisExplore 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 June 27, 2026.
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 June 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Thu 10/14:58 pm
BLI
- ORD
1 stop10h 44m
Multiple Airlines
Fri 10/21:02 pm
ORD
- BLI
1 stop12h 32m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 6/23. 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.
Sun 8/911:36 am
BLI
- ORD
1 stop16h 01m
Multiple Airlines
Wed 8/127:29 am
ORD
- BLI
2 stops31h 09m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$371
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 8/143:52 pm
BLI
- ORD
2 stops30h 41m
Multiple Airlines
Mon 8/177:15 am
ORD
- BLI
1 stop16h 39m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Thu 10/224:58 pm
BLI
- ORD
1 stop10h 44m
Multiple Airlines
Mon 10/261:02 pm
ORD
- BLI
1 stop12h 32m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Thu 7/231:16 pm
BLI
- ORD
1 stop14h 21m
Multiple Airlines
Sat 7/257:15 am
ORD
- BLI
1 stop29h 24m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$419
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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.
Wed 8/197:19 pm
BLI
- ORD
1 stop9h 01m
Alaska Airlines
Sat 8/229:00 am
ORD
- BLI
1 stop11h 39m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$453
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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 11/131:57 pm
BLI
- ORD
1 stop25h 40m
Alaska Airlines
Tue 11/177:00 am
ORD
- BLI
1 stop8h 17m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Thu 7/231:16 pm
BLI
- ORD
1 stop14h 21m
Multiple Airlines
Sun 7/267:15 am
ORD
- BLI
1 stop27h 44m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$461
This Orbitz deal was found by Cheapflights users on 6/22. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/291:49 pm
BLI
- STL
1 stop8h 10m
Alaska Airlines
Sun 8/97:56 pm
STL
- BLI
1 stop19h 13m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$535
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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 10/262:09 pm
BLI
- STL
1 stop7h 50m
Alaska Airlines
Thu 10/297:00 am
STL
- BLI
1 stop8h 29m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$575
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 7/103:42 pm
BLI
- STL
1 stop24h 33m
Multiple Airlines
Tue 7/148:08 pm
STL
- BLI
2 stops40h 31m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$579
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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 7/101:49 pm
BLI
- STL
1 stop8h 10m
Alaska Airlines
Tue 7/142:50 pm
STL
- BLI
1 stop11h 09m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$603
Best flights from Bellingham to IllinoisDiscover carefully curated flight deals from Bellingham to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 27, 2026.
Discover carefully curated flight deals from Bellingham to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 27, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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 11/131:57 pm
BLI
- ORD
1 stop25h 40m
Alaska Airlines
Tue 11/177:00 am
ORD
- BLI
1 stop8h 17m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$459
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 7/103:42 pm
BLI
- STL
1 stop24h 33m
Multiple Airlines
Tue 7/148:08 pm
STL
- BLI
2 stops40h 31m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$579
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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.
Wed 8/261:52 pm
BLI
- ORD
1 stop8h 07m
Alaska Airlines
Fri 9/42:22 pm
ORD
- BLI
1 stop10h 09m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$504
This Alaska Airlines deal was found by Cheapflights users on 6/26. 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 10/262:09 pm
BLI
- STL
1 stop7h 50m
Alaska Airlines
Thu 10/297:00 am
STL
- BLI
1 stop8h 29m
Alaska Airlines
Deal found 6/26![Alaska Airlines logo]()
$575
This Expedia deal was found by Cheapflights users on 6/22. 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 7/291:49 pm
BLI
- STL
1 stop8h 10m
Alaska Airlines
Sun 8/98:00 am
STL
- BLI
2 stops10h 46m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$630
Last-minute flights from Bellingham to IllinoisDiscover last-minute flight deals from Bellingham to Illinois. Data last updated June 27, 2026 and is based on user searches.
Discover last-minute flight deals from Bellingham to Illinois. Data last updated June 27, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 6/23. 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.
Sat 6/271:49 pm
BLI
- ORD
1 stop8h 10m
Alaska Airlines
Wed 7/16:42 pm
ORD
- BLI
1 stop7h 17m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$725
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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 7/75:26 pm
BLI
- STL
1 stop28h 33m
Alaska Airlines
Sat 7/117:56 pm
STL
- BLI
1 stop6h 10m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$647
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 7/103:42 pm
BLI
- STL
1 stop24h 33m
Multiple Airlines
Tue 7/148:08 pm
STL
- BLI
2 stops40h 31m
Multiple Airlines
Deal found 6/25![Multiple Airlines logo]()
$579
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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 7/101:49 pm
BLI
- STL
1 stop8h 10m
Alaska Airlines
Tue 7/142:50 pm
STL
- BLI
1 stop11h 09m
Alaska Airlines
Deal found 6/25![Alaska Airlines logo]()
$603
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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.
Wed 7/155:26 pm
BLI
- ORD
1 stop10h 54m
Alaska Airlines
Sat 7/187:17 pm
ORD
- BLI
1 stop6h 49m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$555
This Expedia deal was found by Cheapflights users on 6/22. 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 7/151:49 pm
BLI
- ORD
2 stops13h 11m
Alaska Airlines
Mon 7/202:12 pm
ORD
- BLI
2 stops11h 47m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$860
This Booking.com deal was found by Cheapflights users on 6/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:00 am
BLI
- ORD
1 stop6h 46m
Alaska Airlines
Wed 7/228:20 pm
ORD
- BLI
1 stop18h 49m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$903
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Thu 7/231:16 pm
BLI
- ORD
1 stop14h 21m
Multiple Airlines
Sat 7/257:15 am
ORD
- BLI
1 stop29h 24m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 6/24. 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.
Thu 7/231:16 pm
BLI
- ORD
1 stop14h 21m
Multiple Airlines
Sun 7/267:15 am
ORD
- BLI
1 stop27h 44m
Multiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$461
This Expedia deal was found by Cheapflights users on 6/22. 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.
Thu 7/235:26 pm
BLI
- ORD
2 stops9h 34m
Alaska Airlines
Sat 7/252:19 pm
ORD
- BLI
2 stops11h 47m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$809
This Orbitz deal was found by Cheapflights users on 6/22. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/291:49 pm
BLI
- STL
1 stop8h 10m
Alaska Airlines
Sun 8/97:56 pm
STL
- BLI
1 stop19h 13m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$535
One-way flights from Bellingham to IllinoisSearch for one-way flight options from Bellingham to Illinois. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
Search for one-way flight options from Bellingham to Illinois. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Mon 10/51:00 pm
BLI
- ORD
1 stop14h 42m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 6/23. 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.
Mon 9/142:01 pm
BLI
- ORD
1 stop13h 41m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Mon 8/173:52 pm
BLI
- ORD
1 stop11h 45m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 9/112:01 pm
BLI
- ORD
1 stop13h 41m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Thu 7/161:16 pm
BLI
- ORD
1 stop14h 21m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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 7/46:00 am
BLI
- ORD
1 stop6h 46m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$247
Find flight deals from Bellingham to Illinois
Keep the following information in mind while searching for Bellingham to Illinois flight deals. Data was last updated June 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $368 (Kiwi.com) |
One-way from | $167 (Kiwi.com) |
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 June 27, 2026.
Use the filters below to find and compare flights from Bellingham to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BellinghamChicago
BLI - ORD
BLIORD
Bellingham
Fri 11/13
1:57 pm-5:37 pm
1 stop25h 40m
Chicago O'Hare Intl
Tue 11/17
7:00 am-1:17 pm
1 stop8h 17m
$459
BellinghamChicago
BLI - ORD
BLIORD
Bellingham
Wed 8/26
1:52 pm-11:59 pm
1 stop8h 07m
Chicago O'Hare Intl
Fri 9/4
2:22 pm-10:31 pm
1 stop10h 09m
$504
Quickest round-trip
BellinghamSt. Louis
BLI - STL
BLISTL
Bellingham
Mon 10/26
2:09 pm-11:59 pm
1 stop7h 50m
Lambert-St Louis
Thu 10/29
7:00 am-1:29 pm
1 stop8h 29m
$575
BellinghamSt. Louis
BLI - STL
BLISTL
Bellingham
Fri 7/10
3:42 pm-6:15 pm
1 stop24h 33m
Lambert-St Louis
Tue 7/14
8:08 pm-10:39 am
2 stops40h 31m
$579
BellinghamSt. Louis
BLI - STL
BLISTL
Bellingham
Wed 7/29
1:49 pm-11:59 pm
1 stop8h 10m
Lambert-St Louis
Sun 8/9
8:00 am-4:46 pm
2 stops10h 46m
$630
Cheapest one-way
BellinghamChicago
BLI - ORD
BLIORD
Bellingham
Mon 8/17
3:52 pm-5:37 am
1 stop11h 45m
$170
BellinghamChicago
BLI - ORD
BLIORD
Bellingham
Fri 9/11
2:01 pm-9:35 pm
2 stops29h 34m
$196
BellinghamChicago
BLI - ORD
BLIORD
Bellingham
Thu 7/16
1:16 pm-5:37 am
1 stop14h 21m
$217
Quickest one-way
BellinghamChicago
BLI - ORD
BLIORD
Bellingham
Wed 7/15
5:26 pm-6:20 am
1 stop10h 54m
$303
BellinghamChicago
BLI - ORD
BLIORD
Bellingham
Fri 8/21
7:19 pm-12:07 pm
1 stop14h 48m
$307
Sorted by cheapest first
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.
BLI-ORD
BLI-STL
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
BLI-USIL
BLI-ORD
BLI-STL
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 June 27, 2026.
Read through reviews of airlines operating flights from Bellingham to Illinois, such as Alaska Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Overall
7.9
Entertainment
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Overall
7.9
Entertainment
7.0
Crew
8.5
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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.
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Alternative routes for Bellingham to Illinois
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Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
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Bellingham and Illinois flights
Browse other Bellingham and Illinois flight options. Last updated on June 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Bellingham to Illinois flights
Consider these flights traveling from Bellingham to Illinois.
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 June 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$397 | Average$573 | FlexibilityNo cancel fee | On-time75% |