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Cheap flights from Houston to Illinois from $34

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 8/13. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
HOU — ORD
may. 21 — may. 281
From?
To?
mar. 5/21
mar. 5/28
1 adult, Economy
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How far in advance should I book a flight from Houston to Illinois?

To save up to 132% on this flight, we recommend booking at least 32 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Houston to Illinois from $270 1-2 weeks out and tickets from $454 for flights departing within the next 72 hours.

What is the cheapest month to fly from Houston to Illinois?

Our data shows that April tends to be the cheapest month to fly to Illinois from Houston. Users have commonly found prices around $227 for the month, but tickets can be as low as $58. Due to multiple factors, prepare for potentially higher prices in July.

When is the cheapest time to fly from Houston to Illinois (IAH - IL)?

When flying from Houston 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.

Cheap Frontier flights from Houston to Illinois

Explore cheap flight options specifically provided by Frontier for the route between Houston and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
Check out some of the cheapest Frontier flights we've come across from Houston to Illinois. It's recommended that users confirm their flight details before booking.
mié. 6/129:21 pmIAH - ORD
Nonstop2h 38mFrontier
mié. 6/196:15 amORD - IAH
Nonstop2h 44mFrontier
Deal found 5/15$58
sáb. 9/79:19 pmIAH - ORD
Nonstop2h 39mFrontier
mié. 9/116:15 amORD - IAH
Nonstop2h 46mFrontier
Deal found 5/15$64
mié. 7/109:19 pmIAH - ORD
Nonstop2h 39mFrontier
mié. 7/176:30 amORD - IAH
Nonstop2h 42mFrontier
Deal found 5/15$66
jue. 6/611:12 amIAH - MDW
Nonstop2h 28mFrontier
mar. 6/117:45 amMDW - IAH
Nonstop2h 41mFrontier
Deal found 5/15$67
sáb. 6/19:28 pmIAH - ORD
Nonstop2h 40mFrontier
mié. 6/56:15 amORD - IAH
Nonstop2h 44mFrontier
Deal found 5/16$68
sáb. 6/89:45 amIAH - ORD
1 stop5h 07mFrontier
mié. 6/126:15 amORD - IAH
Nonstop2h 44mFrontier
Deal found 5/15$69
sáb. 6/110:52 amIAH - MDW
Nonstop2h 29mFrontier
mar. 6/47:35 amMDW - IAH
Nonstop2h 42mFrontier
Deal found 5/16$70
mié. 7/319:19 pmIAH - ORD
Nonstop2h 39mFrontier
mié. 8/76:30 amORD - IAH
Nonstop2h 42mFrontier
Deal found 5/15$73
mar. 7/301:01 pmIAH - MDW
Nonstop2h 28mFrontier
mar. 8/67:48 amMDW - IAH
Nonstop2h 44mFrontier
Deal found 5/15$74

Cheap Spirit Airlines flights from Houston to Illinois

Explore cheap flight options specifically provided by Spirit Airlines for the route between Houston and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
Take a gander at the lowest prices we've found on Spirit Airlines flights from Houston to Illinois. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
mar. 6/48:55 pmIAH - ORD
Nonstop2h 38mSpirit Airlines
mar. 6/112:57 pmORD - IAH
Nonstop2h 48mSpirit Airlines
Deal found 5/16$67
sáb. 6/19:56 pmIAH - ORD
Nonstop2h 36mSpirit Airlines
mar. 6/47:08 amORD - IAH
Nonstop2h 47mSpirit Airlines
Deal found 5/16$71
mar. 6/48:55 pmIAH - ORD
Nonstop2h 38mSpirit Airlines
mar. 6/117:33 amORD - IAH
Nonstop2h 49mSpirit Airlines
Deal found 5/15$77
vie. 5/3111:30 amIAH - ORD
Nonstop2h 36mSpirit Airlines
mar. 6/47:08 amORD - IAH
Nonstop2h 47mSpirit Airlines
Deal found 5/16$84
mar. 6/42:00 pmIAH - ORD
1 stop6h 35mSpirit Airlines
mié. 6/59:37 pmORD - IAH
1 stop11h 49mSpirit Airlines
Deal found 5/16$85
jue. 9/194:04 pmIAH - ORD
Nonstop2h 37mSpirit Airlines
mar. 10/16:00 amORD - IAH
Nonstop2h 47mSpirit Airlines
Deal found 5/15$87
mar. 9/249:22 pmIAH - ORD
Nonstop2h 36mSpirit Airlines
jue. 9/268:16 pmORD - IAH
Nonstop2h 50mSpirit Airlines
Deal found 5/16$88
mié. 6/191:58 pmIAH - ORD
1 stop9h 47mSpirit Airlines
mié. 6/267:33 amORD - IAH
Nonstop2h 49mSpirit Airlines
Deal found 5/15$90
mié. 5/2211:30 amIAH - ORD
Nonstop2h 36mSpirit Airlines
mié. 6/59:37 pmORD - IAH
1 stop11h 49mSpirit Airlines
Deal found 5/15$94

Cheap Houston to Illinois flights in May & June 2024

Find cheap flight options from Houston to Illinois specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on mayo 16, 2024.
These are some of the best deals we've found on flights to Illinois in 2024 at this time. More deals are always being added, so be sure to check back regularly.
mar. 6/41:08 pmIAH - MDW
Nonstop2h 29mFrontier
mar. 6/117:45 amMDW - IAH
Nonstop2h 41mFrontier
Deal found 5/16$64
sáb. 6/110:52 amIAH - MDW
Nonstop2h 29mFrontier
mar. 6/47:35 amMDW - IAH
Nonstop2h 42mFrontier
Deal found 5/16$67
sáb. 6/158:30 pmIAH - MDW
Nonstop2h 28mFrontier
mar. 6/187:45 amMDW - IAH
Nonstop2h 41mFrontier
Deal found 5/15$68
mar. 6/41:08 pmIAH - MDW
Nonstop2h 29mFrontier
mar. 6/117:45 amMDW - IAH
Nonstop2h 41mFrontier
Deal found 5/15$69
sáb. 6/298:30 pmIAH - MDW
Nonstop2h 28mFrontier
mar. 7/27:45 amMDW - IAH
Nonstop2h 41mFrontier
Deal found 5/15$73
mar. 6/41:08 pmIAH - MDW
Nonstop2h 29mFrontier
jue. 6/67:40 amMDW - IAH
Nonstop2h 41mFrontier
Deal found 5/15$77
sáb. 6/228:30 pmIAH - MDW
Nonstop2h 28mFrontier
mar. 6/257:45 amMDW - IAH
Nonstop2h 41mFrontier
Deal found 5/16$78
jue. 6/1311:12 amIAH - MDW
Nonstop2h 28mFrontier
mar. 6/187:45 amMDW - IAH
Nonstop2h 41mFrontier
Deal found 5/14$79
mié. 5/291:50 pmIAH - ORD
1 stop10h 02mMultiple Airlines
mié. 7/246:30 amORD - IAH
Nonstop2h 42mMultiple Airlines
Deal found 5/15$80

Houston to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Houston and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
These are some of the best deals we've found on flights to Illinois in 2024 at this time. More deals are always being added, so be sure to check back regularly.
mar. 6/41:08 pmIAH - MDW
Nonstop2h 29mFrontier
mar. 6/117:45 amMDW - IAH
Nonstop2h 41mFrontier
Deal found 5/16$64
mar. 7/1612:58 pmIAH - MDW
Nonstop2h 28mFrontier
mar. 7/237:45 amMDW - IAH
Nonstop2h 35mFrontier
Deal found 5/15$66
sáb. 6/110:52 amIAH - MDW
Nonstop2h 29mFrontier
mar. 6/47:35 amMDW - IAH
Nonstop2h 42mFrontier
Deal found 5/16$67
sáb. 7/208:23 pmIAH - MDW
Nonstop2h 28mFrontier
mar. 7/237:45 amMDW - IAH
Nonstop2h 35mFrontier
Deal found 5/15$68
mar. 6/41:08 pmIAH - MDW
Nonstop2h 29mFrontier
mar. 6/117:45 amMDW - IAH
Nonstop2h 41mFrontier
Deal found 5/15$69
sáb. 6/298:30 pmIAH - MDW
Nonstop2h 28mFrontier
mar. 7/27:45 amMDW - IAH
Nonstop2h 41mFrontier
Deal found 5/15$73
mar. 7/301:01 pmIAH - MDW
Nonstop2h 28mFrontier
mar. 8/67:48 amMDW - IAH
Nonstop2h 44mFrontier
Deal found 5/15$74
mar. 7/2312:58 pmIAH - MDW
Nonstop2h 28mFrontier
sáb. 7/274:58 pmMDW - IAH
Nonstop2h 35mFrontier
Deal found 5/15$76
mar. 6/41:08 pmIAH - MDW
Nonstop2h 29mFrontier
jue. 6/67:40 amMDW - IAH
Nonstop2h 41mFrontier
Deal found 5/15$77

Non-stop flights to Illinois from Houston

Discover non-stop flight options from Houston to Illinois. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
If you're seeking options on non-stop flights from Houston to Illinois, check out these fares. Select from other flights from Houston to Illinois by using the search form above.
mié. 6/129:21 pmIAH - ORD
Nonstop2h 38mFrontier
mié. 6/196:15 amORD - IAH
Nonstop2h 44mFrontier
Deal found 5/15$58
sáb. 9/79:19 pmIAH - ORD
Nonstop2h 39mFrontier
mié. 9/116:15 amORD - IAH
Nonstop2h 46mFrontier
Deal found 5/15$64
mar. 6/41:08 pmIAH - MDW
Nonstop2h 29mFrontier
mar. 6/117:45 amMDW - IAH
Nonstop2h 41mFrontier
Deal found 5/16$64
mié. 7/109:19 pmIAH - ORD
Nonstop2h 39mFrontier
mié. 7/176:30 amORD - IAH
Nonstop2h 42mFrontier
Deal found 5/15$66
mar. 7/1612:58 pmIAH - MDW
Nonstop2h 28mFrontier
mar. 7/237:45 amMDW - IAH
Nonstop2h 35mFrontier
Deal found 5/15$66
mar. 6/48:55 pmIAH - ORD
Nonstop2h 38mSpirit Airlines
mar. 6/112:57 pmORD - IAH
Nonstop2h 48mSpirit Airlines
Deal found 5/16$67
sáb. 6/110:52 amIAH - MDW
Nonstop2h 29mFrontier
mar. 6/47:35 amMDW - IAH
Nonstop2h 42mFrontier
Deal found 5/16$67
sáb. 6/19:28 pmIAH - ORD
Nonstop2h 40mFrontier
mié. 6/56:15 amORD - IAH
Nonstop2h 44mFrontier
Deal found 5/16$68
sáb. 7/208:23 pmIAH - MDW
Nonstop2h 28mFrontier
mar. 7/237:45 amMDW - IAH
Nonstop2h 35mFrontier
Deal found 5/15$68

Houston to Illinois flights leaving soon

Find last-minute flight options from Houston to Illinois for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
Check out these flights departing soon from Houston to Illinois. Users should examine the flight details to ensure there are no surprises.
sáb. 5/259:19 pmIAH - ORD
Nonstop2h 40mMultiple Airlines
mar. 5/289:25 pmORD - IAH
1 stop11h 43mMultiple Airlines
Deal found 5/15$84
sáb. 5/259:19 pmIAH - ORD
Nonstop2h 40mFrontier
mié. 5/296:25 amORD - IAH
Nonstop2h 45mFrontier
Deal found 5/16$86
mié. 5/229:18 pmIAH - ORD
Nonstop2h 40mFrontier
mié. 5/296:25 amORD - IAH
Nonstop2h 45mFrontier
Deal found 5/15$87
sáb. 5/2511:00 pmIAH - ORD
1 stop22h 15mFrontier
mié. 5/296:25 amORD - IAH
Nonstop2h 45mFrontier
Deal found 5/15$88
sáb. 5/252:45 pmIAH - ORD
1 stop9h 33mFrontier
mié. 5/296:25 amORD - IAH
Nonstop2h 45mFrontier
Deal found 5/16$89
jue. 5/2311:17 amIAH - MDW
Nonstop2h 29mFrontier
mar. 5/287:35 amMDW - IAH
Nonstop2h 42mFrontier
Deal found 5/14$90
sáb. 5/259:19 pmIAH - ORD
Nonstop2h 40mMultiple Airlines
mar. 5/287:08 amORD - IAH
Nonstop2h 47mMultiple Airlines
Deal found 5/15$92
mié. 5/2211:30 amIAH - ORD
Nonstop2h 36mSpirit Airlines
mié. 6/59:37 pmORD - IAH
1 stop11h 49mSpirit Airlines
Deal found 5/15$94
sáb. 5/259:56 pmIAH - ORD
Nonstop2h 36mSpirit Airlines
jue. 5/302:56 pmORD - IAH
Nonstop2h 47mSpirit Airlines
Deal found 5/16$95

One-way flights to Illinois from Houston

Search for one-way flight options from Houston to Illinois. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated mayo 16, 2024.
Users in need of a one-way flight from Houston to Illinois can choose from these deals. Users can also find round-trip Houston to Illinois flights by using the search form above.
mar. 8/1311:22 amIAH - MDW
Nonstop2h 28mFrontier
Deal found 5/15$34
mar. 6/41:08 pmIAH - MDW
Nonstop2h 29mFrontier
Deal found 5/14$35
jue. 6/611:12 amIAH - MDW
Nonstop2h 28mFrontier
Deal found 5/16$36
mar. 8/612:58 pmIAH - MDW
Nonstop2h 28mFrontier
Deal found 5/16$37
mié. 5/299:18 pmIAH - ORD
Nonstop2h 40mFrontier
Deal found 5/16$38
mar. 7/161:01 pmIAH - MDW
Nonstop2h 28mFrontier
Deal found 5/15$38
sáb. 6/89:55 pmIAH - ORD
Nonstop2h 38mFrontier
Deal found 5/15$39
sáb. 6/110:52 amIAH - MDW
Nonstop2h 29mFrontier
Deal found 5/16$39
mar. 6/42:00 pmIAH - ORD
1 stop6h 35mSpirit Airlines
Deal found 5/16$40

Find flights from Houston to Illinois within your budget

Customize your flight search to find flights from Houston 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 2,637,452 searches. Data last updated mayo 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$58 - $157

Route

Depart

Return

Price

Houston George Bush IntcntlChicago O'Hare Intl

IAH - ORD

IAHORD

Houston George Bush Intcntl

mié. 6/12

Nonstop2h 38m

Chicago O'Hare Intl

mié. 6/19

Nonstop2h 44m

$58

Houston George Bush IntcntlChicago O'Hare Intl

IAH - ORD

IAHORD

Houston George Bush Intcntl

sáb. 9/7

Nonstop2h 39m

Chicago O'Hare Intl

mié. 9/11

Nonstop2h 46m

$64

Houston George Bush IntcntlChicago Midway

IAH - MDW

IAHMDW

Houston George Bush Intcntl

mar. 6/4

Nonstop2h 29m

Chicago Midway

mar. 6/11

Nonstop2h 41m

$64

Houston George Bush IntcntlChicago O'Hare Intl

IAH - ORD

IAHORD

Houston George Bush Intcntl

mié. 7/10

Nonstop2h 39m

Chicago O'Hare Intl

mié. 7/17

Nonstop2h 42m

$66

Houston George Bush IntcntlChicago O'Hare Intl

IAH - ORD

IAHORD

Houston George Bush Intcntl

mar. 6/4

Nonstop2h 38m

Chicago O'Hare Intl

mar. 6/11

Nonstop2h 48m

$67

Houston George Bush IntcntlChicago O'Hare Intl

IAH - ORD

IAHORD

Houston George Bush Intcntl

mié. 6/5

Nonstop2h 40m

Chicago O'Hare Intl

mar. 6/11

Nonstop2h 48m

$70

Houston George Bush IntcntlChicago O'Hare Intl

IAH - ORD

IAHORD

Houston George Bush Intcntl

sáb. 6/1

Nonstop2h 36m

Chicago O'Hare Intl

mar. 6/4

Nonstop2h 47m

$71

Houston George Bush IntcntlChicago O'Hare Intl

IAH - ORD

IAHORD

Houston George Bush Intcntl

mar. 6/4

1 stop6h 35m

Chicago O'Hare Intl

mié. 6/5

Nonstop2h 44m

$74

Houston George Bush IntcntlChicago O'Hare Intl

IAH - ORD

IAHORD

Houston George Bush Intcntl

dom. 6/23

Nonstop2h 44m

Chicago O'Hare Intl

mié. 6/26

Nonstop2h 48m

$157

Flights are sorted by cheapest first

Deals found on 5/15

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 mayo 16, 2024.
Get a feel of what it's like to fly with Frontier, Spirit Airlines and American Airlines from Houston to Illinois by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,040 reviews
Check prices

Food

7.3

Crew

8.7

Entertainment

7.8

Overall

8.2

Comfort

8.1

Boarding

8.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Southwest
8.2
Very good
6,040 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Food

7.3

Crew

8.7

Entertainment

7.8

Overall

8.2

Comfort

8.1

Boarding

8.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Delta
8.0
Very good
10,673 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Food

7.3

Crew

8.7

Entertainment

7.8

Overall

8.2

Comfort

8.1

Boarding

8.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

WestJet
7.5
Good
2,919 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Food

7.3

Crew

8.7

Entertainment

7.8

Overall

8.2

Comfort

8.1

Boarding

8.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Allegiant Air
7.5
Good
1,018 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Food

7.3

Crew

8.7

Entertainment

7.8

Overall

8.2

Comfort

8.1

Boarding

8.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

United Airlines
7.4
Good
10,924 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Food

7.3

Crew

8.7

Entertainment

7.8

Overall

8.2

Comfort

8.1

Boarding

8.3

Reviews

1 / 10

Wish the there were an electrical outlet to plug the phone. it died within 10 minutes of being in the air.

Related info for your journey

Find useful and relevant information for your journey from Houston to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Houston to Illinois for under $100 on Cheapflights?

    Yes, there are multiple flights from Houston to Illinois for under $100. The cheapest flight booked recently is on Frontier for just $58, but on average you can expect to pay $69.

  • Are there nonstop flights from Houston to Illinois for under $100 on Cheapflights?

    Cheapflights has at least 20 direct flights from Houston to Illinois under $100. A good price for a nonstop flight from Houston to Illinois is less than $69.

  • Are there last-minute flights available from Houston to Illinois for under $100?

    There are currently 20+ open flights from Houston to Illinois within the next 7 days for less than $100.

  • What days are nonstop flights available from Houston to Illinois?

    Nonstop flights can be found on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

  • How many flights depart from Houston to Illinois on average per day?

    53 flight departures from Houston to Illinois per day on average.
    Early Morning (Midnight to 6am) - 30% of flight departures
    Morning (6am - Noon) - 11% of flight departures
    Afternoon (Noon - 6pm) - 34% of flight departures
    Evening (6pm - Midnight) - 25% of flight departures

  • How long is the flight from Houston to Illinois?

    There are many flights that can get you from Houston to Illinois in 2h 38m. Fly via Frontier or Spirit Airlines to get the fastest option. The distance between Houston and Illinois is about 930 mi. All flights are typically nonstop.

  • What are the most popular routes from Houston to Illinois?

    While some choose either Houston George Bush Intcntl - Chicago O'Hare Intl or Houston Hobby - Chicago Midway, Houston Hobby - Chicago O'Hare Intl is the most popular route from Houston to Illinois.

  • What are the most popular airlines that fly from Houston to Illinois?

    American Airlines, Delta and Frontier are the most popular airlines when flying from Houston to Illinois.

  • What are the most reliable airlines from Houston to Illinois?

    Consider Austrian Airlines (87%), ANA (87%) or Brussels Airlines (87%) when booking your flight. These represent the most reliable airlines when flying from Houston to Illinois.

  • What are the cheapest flights from Houston to Illinois?

    Looking at all options, your cheapest flight can be booked for $40. While the most popular route (Houston Hobby - Chicago O'Hare Intl) can be booked for $55 on average our data indicates $1,653 when flying from Houston to Illinois.

  • What does IAH to ORD mean?

    This is defined as Houston George Bush Intcntl Airport (IAH) and Chicago O'Hare Intl Airport (ORD). Codes like Chicago O'Hare Intl Airport are often used to just call airports uniquely. Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Houston to Illinois that include extra baggage allowance?

    The amount of baggage you can bring on your Houston to Illinois flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Houston to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Houston to Illinois flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Houston to Illinois that include hotel bookings?

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

  • How can I find direct flights from Houston to Illinois?

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

  • Can I find deals for business class flights from Houston to Illinois?

    Yes. Cheapflights offers flight deals from Houston 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.

  • Can I find deals for flights from Houston to Illinois that allow pets onboard?

    Many airlines flying from Houston to Illinois offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Houston to Illinois?

    Yes, you can often find last-minute deals on Houston to Illinois flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Houston to Illinois flight deals updated?

    The Houston to Illinois flight deals you see on this page were last updated on 5/16.

See more FAQs

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Alternative routes for Houston to Illinois
See prices for flight routes from nearby airports that may be better suited for you.

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Top 5 airlines flying from Houston to Illinois

Discover the top 5 airlines that operate flights from Houston 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 2,637,452 searches. Data last updated mayo 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$30Average$161FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$64Average$160FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
United AirlinesCheapest$109Average$454FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$161Average$434FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$162Average$477FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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Search flights from Houston to Illinois by cabin class

Find flights from Houston to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Houston to Illinois

Find hourly flight availability from Houston 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 mayo 16, 2024.
30%of flight departuresEarly morningMidnight to 6 am
20%of flight departuresMorning6 am to noon
37%of flight departuresAfternoonNoon to 6 pm
13%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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Fly with Cheapflights

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How does Cheapflights help users find flights from Houston to Illinois?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Illinois from Houston today with Cheapflights!

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Illinois from Houston.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Houston to Illinois, users can toggle the no change fees filter when performing a flight search.

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

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