What is the cheapest airline that flies from Las Vegas Harry Reid Intl to Chicago?

United Airlines, Southwest, and Frontier are the most popular carriers operating from Las Vegas Harry Reid Intl to Chicago

How many flights depart from Las Vegas to Chicago on average per day?

As of November 2025, 38 flights take off from Las Vegas and land in Chicago each day. The most common flight departure time for this route is 11:00AM, with 57% of daily flights taking off at noon.

How many flights depart from Las Vegas to Chicago on average per week?

The number of flights available between Las Vegas and Chicago is 269 per week as of November 2025. The most frequent departure day is Thu, with 17% of weekly flights leaving on this day.

Which layover airport has the shortest connection time from Las Vegas to Chicago?

Denver (DEN) has the shortest average layover time for this route: 2h 07m.

Which layover airport has the shortest travel time from Las Vegas to Chicago?

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 7h 53m.

What airlines fly to Chicago?

Spirit Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Chicago from Las Vegas according to our data. Spirit Airlines is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 7 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Las Vegas and Chicago?

Dallas (DFW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Las Vegas to Chicago?

Flights via Dallas (DFW) offer the lowest average round-trip price of $212.

When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Chicago?

Prices for flights from Las Vegas Harry Reid Intl Airport to Chicago are refreshed on a daily basis.

How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Chicago?

There are 7 operators available for flights from Las Vegas Harry Reid Intl Airport to Chicago as of November 2025.

How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Chicago?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to Chicago.

What documentation or ID do you need to fly to Chicago?

The travel and health documents you'll need for your trip to Chicago may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$66 Cheap Flights from Las Vegas to Chicago in 2025/26

Q: What is the typical price of a round-trip flight between Las Vegas and Chicago?

Prices are currently low for flights on this route. Typical prices usually range from $148 to $317. The lowest price recently found on this route was $92.

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8:30 pm - 12:12 amLAS-ORD

25h 42m1 stop

3:27 pm - 5:46 pmORD-LAS

4h 19mnonstop

$92Frontier

Find Deal

Thu, Dec 25 - Thu, Jan 1

6:00 am - 11:42 amLAS-ORD

3h 42mnonstop

11:44 am - 9:42 pmORD-LAS

11h 58m1 stop

$94Frontier

Find Deal

Fri, Dec 5 - Mon, Dec 15

6:00 am - 11:42 amLAS-ORD

3h 42mnonstop

3:47 pm - 10:35 pmORD-LAS

8h 48m1 stop

$97Frontier

Find Deal

Fri, Dec 5 - Sun, Dec 7

6:00 am - 11:42 amLAS-ORD

3h 42mnonstop

3:47 pm - 10:35 pmORD-LAS

8h 48m1 stop

$98Frontier

Find Deal

Fri, Dec 5 - Sun, Dec 14

6:00 am - 11:42 amLAS-ORD

3h 42mnonstop

11:01 am - 8:13 pmORD-LAS

11h 12m1 stop

$101Multiple Airlines

Find Deal

Fri, Dec 5 - Mon, Dec 8

6:00 am - 11:42 amLAS-ORD

3h 42mnonstop

9:14 pm - 10:35 pmORD-LAS

27h 21m1 stop

$103Multiple Airlines

Find Deal

Fri, Dec 5 - Sat, Dec 13

7:10 am - 12:30 pmLAS-RFD

3h 20mnonstop

1:20 pm - 3:01 pmRFD-LAS

3h 41mnonstop

$124Allegiant Air

Find Deal

Thu, Dec 4 - Sun, Dec 7

6:50 pm - 12:20 amLAS-MDW

3h 30mnonstop

8:25 am - 10:25 amMDW-LAS

4h 00mnonstop

$131Southwest

Find Deal

Fri, Dec 12 - Wed, Dec 17

8:10 am - 1:40 pmLAS-MDW

3h 30mnonstop

5:15 pm - 7:10 pmMDW-LAS

3h 55mnonstop

$141Southwest

Find Deal

Thu, Dec 4 - Sun, Dec 7

7:10 am - 12:30 pmLAS-RFD

3h 20mnonstop

1:20 pm - 3:01 pmRFD-LAS

3h 41mnonstop

$153Allegiant Air

Find Deal

Thu, Dec 4 - Sun, Dec 7

Frontier flights from Las Vegas to Chicago

Our best Frontier deals on Las Vegas to Chicago flight tickets

Frontier

Dec 25

LAS8:30 pmLas Vegas Harry Reid Intl

25h 42m

1 stop

ORD12:12 amChicago O'Hare Intl

Jan 1

ORD3:27 pmChicago O'Hare Intl

4h 19m

LAS5:46 pmLas Vegas Harry Reid Intl

$92

Find similar

Frontier

Dec 5

LAS6:00 amLas Vegas Harry Reid Intl

3h 42m

ORD11:42 amChicago O'Hare Intl

Dec 15

ORD11:44 amChicago O'Hare Intl

11h 58m

1 stop

LAS9:42 pmLas Vegas Harry Reid Intl

$94

Find similar

Frontier

Dec 5

LAS6:00 amLas Vegas Harry Reid Intl

3h 42m

ORD11:42 amChicago O'Hare Intl

Dec 7

ORD3:47 pmChicago O'Hare Intl

8h 48m

1 stop

LAS10:35 pmLas Vegas Harry Reid Intl

$97

Find similar

American Airlines flights from Las Vegas to Chicago

Our best American Airlines deals on Las Vegas to Chicago flight tickets

American Airlines

Dec 11

LAS11:55 pmLas Vegas Harry Reid Intl

3h 31m

ORD5:26 amChicago O'Hare Intl

Dec 14

ORD5:05 pmChicago O'Hare Intl

4h 08m

LAS7:13 pmLas Vegas Harry Reid Intl

$131

Find similar

American Airlines

Dec 3

LAS7:00 amLas Vegas Harry Reid Intl

3h 50m

ORD12:50 pmChicago O'Hare Intl

Dec 10

ORD6:55 pmChicago O'Hare Intl

4h 18m

LAS9:13 pmLas Vegas Harry Reid Intl

$146

Find similar

American Airlines

Dec 26

LAS6:00 amLas Vegas Harry Reid Intl

3h 52m

ORD11:52 amChicago O'Hare Intl

Jan 5

ORD8:47 pmChicago O'Hare Intl

4h 10m

LAS10:57 pmLas Vegas Harry Reid Intl

$159

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Thu 12/25

8:30 pm-12:12 am

1 stop25h 42m

Chicago O'Hare Intl

Thu 1/1

3:27 pm-5:46 pm

Nonstop4h 19m

$92

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Fri 12/5

6:00 am-11:42 am

Nonstop3h 42m

Chicago O'Hare Intl

Mon 12/15

11:44 am-9:42 pm

1 stop11h 58m

$94

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Fri 12/5

6:00 am-11:42 am

Nonstop3h 42m

Chicago O'Hare Intl

Sun 12/7

3:47 pm-10:35 pm

1 stop8h 48m

$97

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Fri 12/5

6:00 am-11:42 am

Nonstop3h 42m

Chicago O'Hare Intl

Sun 12/14

3:47 pm-10:35 pm

1 stop8h 48m

$98

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Fri 12/5

6:00 am-11:42 am

Nonstop3h 42m

Chicago O'Hare Intl

Mon 12/8

11:01 am-8:13 pm

1 stop11h 12m

$101

Las VegasChicago

LAS - ORD

LASORD

Las Vegas Harry Reid Intl

Fri 12/5

6:00 am-11:42 am

Nonstop3h 42m

Chicago O'Hare Intl

Sat 12/13

9:14 pm-10:35 pm

1 stop27h 21m

$103

Las VegasChicago

LAS - RFD

LASRFD

Las Vegas Harry Reid Intl

Thu 12/4

7:10 am-12:30 pm

Nonstop3h 20m

Chicago Greater Rockford

Sun 12/7

1:20 pm-3:01 pm

Nonstop3h 41m

$124

Las VegasChicago

LAS - MDW

LASMDW

Las Vegas Harry Reid Intl

Fri 12/12

6:50 pm-12:20 am

Nonstop3h 30m

Chicago Midway

Wed 12/17

8:25 am-10:25 am

Nonstop4h 00m

$131

Las VegasChicago

LAS - MDW

LASMDW

Las Vegas Harry Reid Intl

Thu 12/4

8:10 am-1:40 pm

Nonstop3h 30m

Chicago Midway

Sun 12/7

5:15 pm-7:10 pm

Nonstop3h 55m

$141

Las VegasChicago

LAS - RFD

LASRFD

Las Vegas Harry Reid Intl

Thu 12/4

7:10 am-12:30 pm

Nonstop3h 20m

Chicago Greater Rockford

Sun 12/7

1:20 pm-3:01 pm

Nonstop3h 41m

$153

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How to get the cheapest flight ticket from Las Vegas to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Layovers

Other information

What is the typical price of a round-trip flight between Las Vegas and Chicago?

What is the cheapest month to fly to Chicago?

The month of January is, on average, the cheapest month to fly to Chicago from Las Vegas, with most prices found around $139. If you’re not able to fly to Chicago in January, then September is your next best option. Flight prices from Las Vegas to Chicago during September average around $159.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Friday when prices can be found for as low as $286. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Las Vegas to Chicago for around $483.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from Las Vegas to Chicago during this time can be as low as $289. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $469.

What is the cheapest Las Vegas Harry Reid Intl to Chicago flight route?

Fly from Las Vegas Harry Reid Intl to Chicago O'Hare Intl for the best Las Vegas Harry Reid Intl - Chicago flight prices

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $248 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Las Vegas for as low as $184 on momondo.

What cabin class options are available on Las Vegas Harry Reid Intl to Chicago flights?

There are 4 cabin classes available to choose from on Las Vegas Harry Reid Intl to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Las Vegas to Chicago flights?

No. A direct flight is the cheapest option for a flight between Las Vegas to Chicago.

How have Las Vegas to Chicago flight prices changed over time?

As of November 2025, prices for Las Vegas to Chicago flights are approximately 10% cheaper when compared to flights at the same time last year.

When to book flights from Las Vegas to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Las Vegas to Chicago according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Las Vegas to Chicago (LAS to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Chicago

Best Price Found	$76
Fastest flight time	3h 15m
Direct flights	Every day
Airports in Chicago	2 airports

The best one-way flight to Chicago from Las Vegas in the past 72 hours is $76. The best round-trip flight deal from Las Vegas to Chicago found on momondo in the last 72 hours is $194.

The fastest flight from Las Vegas to Chicago takes 3h 15m

Direct flights go from Las Vegas to Chicago every day.

There are 2 airports near Chicago: Chicago Greater Rockford (RFD), Chicago Midway (MDW)

Search flight deals

How far is Las Vegas Harry Reid Intl to Chicago by plane?
There are 1519.9 mi between Las Vegas Harry Reid Intl and Chicago. A reasonable flight in good conditions will take 3h 15m.
When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Chicago?
Prices for flights from Las Vegas Harry Reid Intl Airport to Chicago are refreshed on a daily basis.
How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Chicago?
There are 7 operators available for flights from Las Vegas Harry Reid Intl Airport to Chicago as of November 2025.
How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Chicago?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to Chicago.
What documentation or ID do you need to fly to Chicago?
The travel and health documents you'll need for your trip to Chicago may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Las Vegas to Chicago?
Based on momondo bookings for flights between Las Vegas and Chicago, the leading plane model is Airbus A320neo, making up 17.63% of the total bookings. Other popular models include Boeing 737-800 with 13.86%, Airbus A321neo with 10.52%, and Boeing 737 MAX 8 with 10.46%.
What is the most popular airline from Las Vegas to Chicago?
Based on momondo bookings for flights between Las Vegas and Chicago, the leading airline is Spirit Airlines, making up 29% of the total bookings. Other popular airlines include Frontier with 29%, American Airlines with 20%, and Southwest with 13%.

Best airlines flying from Las Vegas to Chicago

Compare and see reviews for airlines that fly from Las Vegas to Chicago with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $61	Free Cancellation	Rating 5.8 3,113 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $67	Free Cancellation	Rating 6.3 8,139 reviews	Search Spirit Airlines flights
Allegiant Air	PriceFrom $91	Free Cancellation	Rating 7.2 698 reviews	Search Allegiant Air flights
Delta	PriceFrom $118	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
United Airlines	PriceFrom $159	Free Cancellation	Rating 7.4 9,015 reviews	Search United Airlines flights
Southwest	PriceFrom $159	Free Cancellation	Rating 8.0 4,236 reviews	Search Southwest flights
American Airlines	PriceFrom $159	Free Cancellation	Rating 7.2 11,049 reviews	Search American Airlines flights

Southwest Flights From Las Vegas to Chicago
Southwest flies from Las Vegas to Chicago around 68 times per week, with 4,236 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Las Vegas to Chicago in the last 72 hours was $159 (round-trip), much lower than the average airfare cost of $283 for Southwest flights on this route.
United Airlines Flights From Las Vegas to Chicago
Another popular option for Las Vegas to Chicago flights is United Airlines (7.4/10, 9,015 ratings). United Airlines flies from Las Vegas to Chicago around 36 times per week, with deals starting from $159 round-trip and rising to an average price of around $321.

Merrillville

New Buffalo

Hammond

Benton Harbor

Saint Joseph

Portage

Lansing

Schererville

Valparaiso

Crown Point

Munster

Chesterton

Monticello

Porter

Griffith

Saint John

Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas to Chicago?

It is quick and easy to find Las Vegas to Chicago flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

Can I find flights from Las Vegas to Chicago with flexible booking policies on momondo?

Flights from Las Vegas to Chicago with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Las Vegas to Chicago?

Once you have performed a search for Las Vegas to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Las Vegas to Chicago right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chicago from Las Vegas. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Las Vegas to Chicago from $66

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Chicago departing on 12/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Our best American Airlines deals on Las Vegas to Chicago flight tickets

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Use the filters below to find and compare flights from Las Vegas to Chicago that are best for you.

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How to get the cheapest flight ticket from Las Vegas to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Las Vegas and Chicago?

What is the cheapest month to fly to Chicago?

The month of January is, on average, the cheapest month to fly to Chicago from Las Vegas, with most prices found around $139. If you’re not able to fly to Chicago in January, then September is your next best option. Flight prices from Las Vegas to Chicago during September average around $159.

What is the cheapest day to depart on your flight to Chicago?

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the afternoon. Flights from Las Vegas to Chicago during this time can be as low as $289. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $469.

What is the cheapest Las Vegas Harry Reid Intl to Chicago flight route?

Fly from Las Vegas Harry Reid Intl to Chicago O'Hare Intl for the best Las Vegas Harry Reid Intl - Chicago flight prices

How far in advance should I book a flight to Chicago?

What cabin class options are available on Las Vegas Harry Reid Intl to Chicago flights?

There are 4 cabin classes available to choose from on Las Vegas Harry Reid Intl to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Las Vegas to Chicago flights?

No. A direct flight is the cheapest option for a flight between Las Vegas to Chicago.

How have Las Vegas to Chicago flight prices changed over time?

As of November 2025, prices for Las Vegas to Chicago flights are approximately 10% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Las Vegas Harry Reid Intl to Chicago?

United Airlines, Southwest, and Frontier are the most popular carriers operating from Las Vegas Harry Reid Intl to Chicago

What airlines fly to Chicago?

Which airport is the most popular layover for flights between Las Vegas and Chicago?

Dallas (DFW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Las Vegas to Chicago?

Flights via Dallas (DFW) offer the lowest average round-trip price of $212.

Which layover airport has the shortest travel time from Las Vegas to Chicago?

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 7h 53m.

Which layover airport has the shortest connection time from Las Vegas to Chicago?

Denver (DEN) has the shortest average layover time for this route: 2h 07m.

How many flights depart from Las Vegas to Chicago on average per day?

As of November 2025, 38 flights take off from Las Vegas and land in Chicago each day. The most common flight departure time for this route is 11:00AM, with 57% of daily flights taking off at noon.

How many flights depart from Las Vegas to Chicago on average per week?

The number of flights available between Las Vegas and Chicago is 269 per week as of November 2025. The most frequent departure day is Thu, with 17% of weekly flights leaving on this day.

When to book flights from Las Vegas to Chicago

Cheap Las Vegas to Chicago (LAS to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Chicago

Best Price Found

Fastest flight time

Direct flights

Airports in Chicago

How far is Las Vegas Harry Reid Intl to Chicago by plane?

When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Chicago?

How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to Chicago?

How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Chicago?

What documentation or ID do you need to fly to Chicago?

What is the most popular plane model from Las Vegas to Chicago?

What is the most popular airline from Las Vegas to Chicago?

Best airlines flying from Las Vegas to Chicago

Compare and see reviews for airlines that fly from Las Vegas to Chicago with momondo

Southwest Flights From Las Vegas to Chicago

United Airlines Flights From Las Vegas to Chicago

Traveling to a place near Chicago?

Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas to Chicago?

Can I find flights from Las Vegas to Chicago with flexible booking policies on momondo?

How can momondo help me find flights from Las Vegas to Chicago?

I’m not ready to book a flight from Las Vegas to Chicago right now. Can momondo alert me if prices change?

An easier way to manage your Chicago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.