What are the cheapest airlines to fly from British Columbia to Illinois one-way?

To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at C$ 165. Delta flights start at C$ 190 while deals on United Airlines start at C$ 225 one-way.

How far in advance should I book a flight from British Columbia to Illinois?

Travellers have found it’s best to book a flight 38 days in advance to save up to 20% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 38 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from British Columbia to Illinois 1-2 weeks in advance for as low as C$ 438, or C$ 683 for flights within the next 24 hours.

What is the cheapest month to fly from British Columbia to Illinois?

October can be a great time to fly to Illinois from British Columbia with a flight ticket averaging about C$ 587. Cheapflights users have found deals in the month of October for as cheap as C$ 208. The most expensive prices can be found in the month of January.

Can I find deals for flights from British Columbia to Illinois that include hotel bookings?

Yes. In addition to deals on British Columbia to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from British Columbia to Illinois?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from British Columbia to Illinois.

Can I find deals for business class flights from British Columbia to Illinois?

Yes. Cheapflights offers flight deals from British Columbia 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.

C$ 151+ Flights from British Columbia to Illinois

Cheap flight deals from British Columbia to Illinois

Find flight deals from British Columbia to Illinois

Cheapest flights from British Columbia to Illinois
Explore the most affordable flight options available from British Columbia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2024.

Sat 7/127:00 a.m.YYC - ORD

1 stop8h 58mDelta

Wed 11/1212:25 p.m.ORD - YYC

2 stops11h 51mDelta

Deal found 21/11C$ 309

Wed 4/128:30 a.m.YYC - ORD

1 stop9h 06mAir Canada

Sat 7/1212:52 p.m.ORD - YYC

1 stop11h 26mAir Canada

Deal found 20/11C$ 349

Wed 4/127:00 a.m.YVR - ORD

1 stop12h 05mUnited Airlines

Mon 9/129:36 p.m.ORD - YVR

1 stop14h 55mUnited Airlines

Deal found 21/11C$ 394

Thu 28/119:30 a.m.YVR - ORD

1 stop6h 17mDelta

Wed 11/129:50 a.m.ORD - YVR

2 stops15h 01mDelta

Deal found 20/11C$ 430

Wed 4/1211:00 p.m.YVR - MDW

1 stop16h 18mMultiple Airlines

Mon 9/126:17 p.m.MDW - YVR

2 stops24h 12mMultiple Airlines

Deal found 21/11C$ 451

Thu 5/123:55 p.m.YVR - ORD

1 stop11h 35mMultiple Airlines

Tue 10/129:10 p.m.ORD - YVR

1 stop27h 20mMultiple Airlines

Deal found 20/11C$ 462

Fri 22/1112:41 p.m.YYC - ORD

Nonstop3h 28mMultiple Airlines

Mon 25/117:28 a.m.ORD - YYC

1 stop14h 16mMultiple Airlines

Deal found 21/11C$ 496

Fri 6/121:20 p.m.YVR - ORD

1 stop8h 27mAlaska Airlines

Sun 8/126:32 a.m.ORD - YVR

1 stop19h 19mAlaska Airlines

Deal found 21/11C$ 561

Thu 12/128:00 a.m.YYC - MDW

2 stops15h 13mMultiple Airlines

Sun 15/121:30 p.m.MDW - YYC

1 stop11h 52mMultiple Airlines

Deal found 21/11C$ 566

Thu 5/121:50 p.m.YVR - ORD

Nonstop4h 06mAir Canada

Tue 10/1210:51 a.m.ORD - YVR

1 stop10h 45mAir Canada

Deal found 20/11C$ 573

Thu 12/128:05 p.m.YYJ - ORD

2 stops31h 25mMultiple Airlines

Mon 16/123:21 p.m.ORD - YYJ

2 stops20h 27mMultiple Airlines

Deal found 21/11C$ 603

Thu 21/1112:45 p.m.YYC - STL

1 stop19h 09mAmerican Airlines

Sun 24/115:17 a.m.STL - YYC

1 stop7h 28mAmerican Airlines

Deal found 20/11C$ 687

Best flights from British Columbia to Illinois
Discover carefully curated flight deals from British Columbia to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 November 2024.

Thu 9/18:30 a.m.YYC - ORD

1 stop9h 08mAir Canada

Mon 13/14:00 p.m.ORD - YYC

1 stop8h 18mAir Canada

Deal found 20/11C$ 300

Sat 7/127:00 a.m.YYC - ORD

1 stop8h 58mDelta

Wed 11/1212:25 p.m.ORD - YYC

2 stops11h 51mDelta

Deal found 21/11C$ 309

Fri 10/18:30 a.m.YVR - ORD

Nonstop4h 09mMultiple Airlines

Tue 14/13:40 p.m.ORD - YVR

Nonstop4h 33mMultiple Airlines

Deal found 19/11C$ 369

Wed 4/127:00 a.m.YVR - ORD

1 stop12h 05mUnited Airlines

Mon 9/129:36 p.m.ORD - YVR

1 stop14h 55mUnited Airlines

Deal found 21/11C$ 394

Fri 17/19:45 p.m.YYC - STL

2 stops19h 17mWestJet

Mon 20/110:22 a.m.STL - YYC

2 stops9h 46mWestJet

Deal found 21/11C$ 455

Thu 9/16:29 a.m.YYC - ORD

1 stop6h 56mAmerican Airlines

Sun 12/19:10 a.m.ORD - YYC

1 stop13h 47mAmerican Airlines

Deal found 21/11C$ 510

Fri 6/121:20 p.m.YVR - ORD

1 stop8h 27mAlaska Airlines

Sun 8/126:32 a.m.ORD - YVR

1 stop19h 19mAlaska Airlines

Deal found 21/11C$ 561

Sat 25/16:35 a.m.YYC - MDW

1 stop10h 12mDelta

Mon 27/11:26 p.m.MDW - YYC

1 stop8h 27mDelta

Deal found 21/11C$ 309

Fri 17/18:30 a.m.YVR - ORD

Nonstop4h 09mAir Canada

Tue 21/11:10 p.m.ORD - YVR

Nonstop4h 40mAir Canada

Deal found 21/11C$ 370

Wed 19/27:00 a.m.YVR - MDW

2 stops27h 10mPorter Airlines

Sat 22/21:05 p.m.MDW - YVR

2 stops10h 29mPorter Airlines

Deal found 20/11C$ 818

Mon 6/19:45 p.m.YYC - ORD

2 stops14h 49mMultiple Airlines

Mon 13/11:39 p.m.ORD - YYC

1 stop10h 16mMultiple Airlines

Deal found 20/11C$ 412

Wed 15/111:00 p.m.YVR - MDW

1 stop17h 26mMultiple Airlines

Sun 19/14:16 p.m.MDW - YVR

1 stop20h 59mMultiple Airlines

Deal found 20/11C$ 413

Direct flights from British Columbia to Illinois
Explore direct flight options from British Columbia to Illinois based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 November 2024.

Fri 10/18:30 a.m.YVR - ORD

Nonstop4h 09mMultiple Airlines

Tue 14/13:40 p.m.ORD - YVR

Nonstop4h 33mMultiple Airlines

Deal found 19/11C$ 369

Fri 17/18:30 a.m.YVR - ORD

Nonstop4h 09mAir Canada

Tue 21/11:10 p.m.ORD - YVR

Nonstop4h 40mAir Canada

Deal found 21/11C$ 370

Thu 13/26:30 a.m.YVR - ORD

Nonstop4h 14mUnited Airlines

Sat 22/23:40 p.m.ORD - YVR

Nonstop4h 33mUnited Airlines

Deal found 20/11C$ 600

Sat 25/112:41 p.m.YYC - ORD

Nonstop3h 34mUnited Airlines

Mon 27/18:45 a.m.ORD - YYC

Nonstop3h 49mUnited Airlines

Deal found 21/11C$ 628

Thu 15/51:20 p.m.YYC - ORD

Nonstop3h 25mAmerican Airlines

Fri 30/59:45 a.m.ORD - YYC

Nonstop3h 45mAmerican Airlines

Deal found 20/11C$ 730

Thu 13/212:41 p.m.YYC - ORD

Nonstop3h 27mAir Canada

Wed 19/28:47 a.m.ORD - YYC

Nonstop3h 46mAir Canada

Deal found 21/11C$ 846

Last-minute flights from British Columbia to Illinois
Discover last-minute flight deals from British Columbia to Illinois. Data last updated 21 November 2024 and is based on user searches.

Thu 21/1112:45 p.m.YYC - STL

1 stop19h 09mAmerican Airlines

Sun 24/115:17 a.m.STL - YYC

1 stop7h 28mAmerican Airlines

Deal found 20/11C$ 687

Fri 22/1112:41 p.m.YYC - ORD

Nonstop3h 28mMultiple Airlines

Mon 25/117:28 a.m.ORD - YYC

1 stop14h 16mMultiple Airlines

Deal found 21/11C$ 496

Tue 26/118:10 a.m.YVR - ORD

1 stop6h 35mAir Canada

Wed 27/114:00 p.m.ORD - YVR

1 stop9h 00mAir Canada

Deal found 21/11C$ 468

Tue 26/116:00 a.m.YVR - ORD

2 stops9h 55mMultiple Airlines

Wed 27/113:20 p.m.ORD - YVR

1 stop9h 10mMultiple Airlines

Deal found 21/11C$ 695

Wed 27/1112:20 a.m.YYC - ORD

2 stops17h 30mWestJet

Sun 1/126:17 a.m.ORD - YYC

2 stops14h 29mWestJet

Deal found 21/11C$ 929

Thu 28/119:30 a.m.YVR - ORD

1 stop6h 17mDelta

Wed 11/129:50 a.m.ORD - YVR

2 stops15h 01mDelta

Deal found 20/11C$ 430

Thu 28/1112:41 p.m.YYC - ORD

Nonstop3h 27mMultiple Airlines

Sun 1/127:28 a.m.ORD - YYC

1 stop14h 26mMultiple Airlines

Deal found 21/11C$ 603

Thu 28/1110:30 a.m.YVR - ORD

Nonstop4h 06mUnited Airlines

Wed 11/1212:45 p.m.ORD - YVR

1 stop10h 58mUnited Airlines

Deal found 21/11C$ 605

Thu 28/116:00 a.m.YVR - ORD

2 stops8h 47mWestJet

Wed 11/123:35 p.m.ORD - YVR

2 stops10h 29mWestJet

Deal found 21/11C$ 790

Thu 28/118:30 a.m.YYC - ORD

1 stop9h 06mAir Canada

Sun 1/123:40 p.m.ORD - YYC

1 stop10h 35mAir Canada

Deal found 21/11C$ 792

Thu 28/1112:41 p.m.YYC - ORD

Nonstop3h 27mUnited Airlines

Sun 1/128:45 a.m.ORD - YYC

Nonstop3h 54mUnited Airlines

Deal found 21/11C$ 945

Thu 28/117:30 a.m.YYC - MDW

1 stop11h 57mMultiple Airlines

Sun 1/126:53 p.m.MDW - YYC

2 stops21h 23mMultiple Airlines

Deal found 21/11C$ 964

One-way flights from British Columbia to Illinois
Search for one-way flight options from British Columbia to Illinois. Find affordable one-way fares based on user searches. Data last updated 21 November 2024.

Sat 18/18:30 a.m.YYC - ORD

1 stop9h 08mAir Canada

Deal found 19/11C$ 165

Sat 7/127:00 a.m.YYC - ORD

2 stops13h 12mDelta

Deal found 19/11C$ 190

Fri 10/17:10 p.m.YYC - ORD

1 stop19h 00mMultiple Airlines

Deal found 20/11C$ 201

Tue 7/19:15 p.m.YVR - ORD

2 stops12h 32mMultiple Airlines

Deal found 21/11C$ 207

Wed 5/23:55 p.m.YVR - MDW

1 stop17h 49mMultiple Airlines

Deal found 20/11C$ 212

Sat 18/18:30 a.m.YVR - ORD

Nonstop4h 09mAir Canada

Deal found 20/11C$ 212

Mon 27/18:00 a.m.YYC - MDW

1 stop11h 12mMultiple Airlines

Deal found 21/11C$ 221

Tue 10/125:45 p.m.YVR - ORD

1 stop13h 46mUnited Airlines

Deal found 20/11C$ 225

Fri 6/127:00 a.m.YVR - ORD

1 stop9h 02mDelta

Deal found 20/11C$ 229

Wed 4/126:15 a.m.YYC - STL

1 stop7h 51mAir Canada

Deal found 20/11C$ 233

Tue 17/1212:15 p.m.YVR - STL

3 stops17h 58mMultiple Airlines

Deal found 19/11C$ 237

Wed 11/1211:30 p.m.YYJ - ORD

1 stop8h 35mAir Canada

Deal found 21/11C$ 247

Find flights from British Columbia to Illinois within your budget

Fly from

Fly to

Route

Depart

Return

Price

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 9/1

8:30 a.m.-6:38 p.m.

1 stop9h 08m

Chicago O'Hare Intl

Mon 13/1

4:00 p.m.-11:18 p.m.

1 stop8h 18m

C$ 300

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Sat 7/12

7:00 a.m.-4:58 p.m.

1 stop8h 58m

Chicago O'Hare Intl

Wed 11/12

12:25 p.m.-11:16 p.m.

2 stops11h 51m

C$ 309

CalgaryChicago

YYC - MDW

YYCMDW

Calgary

Sat 25/1

6:35 a.m.-5:47 p.m.

1 stop10h 12m

Chicago Midway

Mon 27/1

1:26 p.m.-8:53 p.m.

1 stop8h 27m

C$ 309

VancouverChicago

YVR - ORD

YVRORD

Vancouver Intl

Fri 10/1

8:30 a.m.-2:39 p.m.

Nonstop4h 09m

Chicago O'Hare Intl

Tue 14/1

3:40 p.m.-6:13 p.m.

Nonstop4h 33m

C$ 369

VancouverChicago

YVR - ORD

YVRORD

Vancouver Intl

Fri 17/1

8:30 a.m.-2:39 p.m.

Nonstop4h 09m

Chicago O'Hare Intl

Tue 21/1

1:10 p.m.-3:50 p.m.

Nonstop4h 40m

C$ 370

VancouverChicago

YVR - ORD

YVRORD

Vancouver Intl

Wed 4/12

7:00 a.m.-9:05 p.m.

1 stop12h 05m

Chicago O'Hare Intl

Mon 9/12

9:36 p.m.-10:31 a.m.

1 stop14h 55m

C$ 394

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 15/5

10:00 a.m.-10:21 p.m.

1 stop11h 21m

Chicago O'Hare Intl

Fri 30/5

5:30 p.m.-8:19 p.m.

Nonstop3h 49m

C$ 399

VancouverChicago

YVR - MDW

YVRMDW

Vancouver Intl

Wed 15/1

11:00 p.m.-6:26 p.m.

1 stop17h 26m

Chicago Midway

Sun 19/1

4:16 p.m.-11:15 a.m.

1 stop20h 59m

C$ 413

CalgarySt. Louis

YYC - STL

YYCSTL

Calgary

Fri 17/1

6:35 a.m.-8:56 p.m.

2 stops13h 21m

Lambert-St Louis

Mon 20/1

3:35 p.m.-8:53 p.m.

1 stop6h 18m

C$ 419

CalgaryChicago

YYC - MDW

YYCMDW

Calgary

Thu 23/1

12:30 a.m.-11:54 a.m.

1 stop10h 24m

Chicago Midway

Sun 26/1

12:43 p.m.-10:55 p.m.

1 stop11h 12m

C$ 419

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/11

Showing 1-10 of 60 results

...

Best time to book a flight from British Columbia to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from British Columbia 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.

Travel insights for flights from British Columbia to Illinois

Get recent, data-driven insights about flights from British Columbia to Illinois including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from British Columbia to Illinois?

Currently, January is the cheapest month in which you can book a flight from British Columbia to Illinois (average of C$ 261). Flying from British Columbia to Illinois in May is currently the most expensive (average of C$ 342). 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.

What is the cheapest time of day to fly from BC to IL?

When flying from British Columbia to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from British Columbia to Illinois

The most flights from CABC to USIL are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Illinois by month

In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

Temperature in Illinois 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing Illinois

Read through reviews of airlines operating flights from British Columbia to Illinois, such as Air Canada, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,464 reviews

Check prices

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Alaska Airlines

8.0

Very good

9,464 reviews

Alaska Airlines

8.0

Very good

9,464 reviews

Check prices

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Delta

8.0

Very good

8,755 reviews

Alaska Airlines

8.0

Very good

9,464 reviews

Check prices

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Porter Airlines

7.8

Good

288 reviews

Alaska Airlines

8.0

Very good

9,464 reviews

Check prices

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Aeromexico

7.5

Good

2,004 reviews

Alaska Airlines

8.0

Very good

9,464 reviews

Check prices

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

United Airlines

7.4

Good

9,172 reviews

Alaska Airlines

8.0

Very good

9,464 reviews

Check prices

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Related info for your journey

What are the cheapest airlines to fly from British Columbia to Illinois one-way?
To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at C$ 165. Delta flights start at C$ 190 while deals on United Airlines start at C$ 225 one-way.
Can I find deals for flights from British Columbia to Illinois that include hotel bookings?
Yes. In addition to deals on British Columbia to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from British Columbia to Illinois?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from British Columbia to Illinois.
Can I find deals for business class flights from British Columbia to Illinois?
Yes. Cheapflights offers flight deals from British Columbia 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 British Columbia to Illinois?
Currently, January is the cheapest month in which you can book a flight from British Columbia to Illinois (average of C$ 261). Flying from British Columbia to Illinois in May is currently the most expensive (average of C$ 342). 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

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Complete your trip

Illinois car rentals

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Direct flights to United States

Find a return flight route from Illinois

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Top 5 airlines flying from British Columbia to Illinois

Airline	Cheapest	Average	Flexibility	On-time
WestJet	CheapestC$ 338	AverageC$ 556	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Alaska Airlines	CheapestC$ 363	AverageC$ 642	FlexibilityNo cancel fee	On-time75%	Search Alaska Airlines flights
Air Canada	CheapestC$ 364	AverageC$ 634	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 378	AverageC$ 563	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	CheapestC$ 403	AverageC$ 542	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights

Fly with Cheapflights

How does Cheapflights help users find flights from British Columbia to Illinois?

Deals for British Columbia to Illinois flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from British Columbia to Illinois?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from British Columbia to Illinois for you. Better yet — we are completely free to use.

Can Cheapflights find flights from British Columbia to Illinois with no change fees?

Yes! Cheapflights helps users easily find flights from British Columbia to Illinois with no change fees.

Can Cheapflights notify me if prices for flights from British Columbia to Illinois become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Illinois from British Columbia today and book when prices fit your budget.

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Cheap flights from British Columbia to Illinois from C$ 151

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from British Columbia to Illinois

Find flight deals from British Columbia to Illinois

Cheapest flights from British Columbia to IllinoisExplore the most affordable flight options available from British Columbia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2024.

Explore the most affordable flight options available from British Columbia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2024.

Find flights from British Columbia to Illinois within your budget

Best time to book a flight from British Columbia to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from British Columbia with our price prediction graph.

Travel insights for flights from British Columbia to Illinois

Get recent, data-driven insights about flights from British Columbia to Illinois including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from British Columbia to Illinois?

What is the cheapest time of day to fly from BC to IL?

Find hourly flight availability from British Columbia to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 November 2024.

Weekly flight availability from British Columbia to Illinois

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

Reviews of airlines servicing Illinois

Read through reviews of airlines operating flights from British Columbia to Illinois, such as Air Canada, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from British Columbia 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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Top 5 airlines flying from British Columbia to Illinois

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Cheapest flights from British Columbia to Illinois
Explore the most affordable flight options available from British Columbia to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2024.