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Cheap flights from Illinois to San Francisco from $145

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to San Francisco departing on 7/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:02 pm - 3:20 pm
ORD
-
MRY
28h 18m
1 stop
Multiple Airlines Logo
4:41 pm - 5:42 am
MRY
-
ORD
11h 01m
1 stop
$313Multiple Airlines
Thu, Oct 1 - Mon, Oct 5
Multiple Airlines Logo
6:50 am - 3:20 pm
ORD
-
MRY
10h 30m
1 stop
Multiple Airlines Logo
4:41 pm - 5:42 am
MRY
-
ORD
11h 01m
1 stop
$321Multiple Airlines
Fri, Oct 2 - Mon, Oct 5
United Airlines Logo
10:00 am - 12:49 pm
ORD
-
MRY
4h 49mnonstop
United Airlines Logo
2:05 pm - 8:27 pm
MRY
-
ORD
4h 22mnonstop
$329United Airlines
Sat, Aug 8 - Sat, Aug 15
United Airlines Logo
8:42 am - 3:01 pm
STL
-
MRY
8h 19m
1 stop
United Airlines Logo
8:30 am - 6:43 pm
MRY
-
STL
8h 13m
1 stop
$331United Airlines
Wed, Sep 2 - Tue, Oct 6
Multiple Airlines Logo
1:02 pm - 3:20 pm
ORD
-
MRY
28h 18m
1 stop
Multiple Airlines Logo
4:41 pm - 10:01 am
MRY
-
ORD
15h 20m
2 stops
$332Multiple Airlines
Thu, Oct 1 - Mon, Oct 5
American Airlines Logo
10:16 am - 6:40 pm
STL
-
MRY
10h 24m
2 stops
American Airlines Logo
12:44 pm - 11:42 pm
MRY
-
STL
8h 58m
1 stop
$336American Airlines
Wed, Sep 2 - Tue, Oct 6
United Airlines Logo
10:00 am - 12:49 pm
ORD
-
MRY
4h 49mnonstop
United Airlines Logo
3:36 pm - 12:59 am
MRY
-
ORD
7h 23m
1 stop
$339United Airlines
Sat, Aug 8 - Sat, Aug 15
American Airlines Logo
10:16 am - 6:40 pm
STL
-
MRY
10h 24m
2 stops
American Airlines Logo
12:49 pm - 11:42 pm
MRY
-
STL
8h 53m
2 stops
$342American Airlines
Wed, Sep 2 - Tue, Oct 6
Alaska Airlines Logo
7:36 pm - 6:03 pm
STL
-
MRY
24h 27m
1 stop
Alaska Airlines Logo
6:03 am - 11:59 pm
MRY
-
STL
15h 56m
2 stops
$391Alaska Airlines
Fri, Oct 2 - Tue, Oct 6
Alaska Airlines Logo
6:29 am - 11:59 pm
STL
-
MRY
19h 30m
2 stops
Alaska Airlines Logo
6:03 am - 11:59 pm
MRY
-
STL
15h 56m
2 stops
$396Alaska Airlines
Fri, Oct 2 - Tue, Oct 6

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American Airlines flights from Illinois to Monterey

Our best American Airlines deals on Illinois to Monterey flight tickets
American Airlines
Sep 2
STL10:16 amLambert-St Louis
10h 24m
2 stops
MRY6:40 pmMonterey Regional
Oct 6
MRY12:44 pmMonterey Regional
8h 58m
1 stop
STL11:42 pmLambert-St Louis
$336
American Airlines
Sep 2
STL10:16 amLambert-St Louis
10h 24m
2 stops
MRY6:40 pmMonterey Regional
Oct 6
MRY12:49 pmMonterey Regional
8h 53m
2 stops
STL11:42 pmLambert-St Louis
$342
American Airlines
Aug 11
ORD6:00 amChicago O'Hare Intl
7h 42m
1 stop
MRY11:42 amMonterey Regional
Aug 16
MRY7:01 pmMonterey Regional
8h 23m
1 stop
ORD5:24 amChicago O'Hare Intl
$349

United Airlines flights from Illinois to Monterey

Our best United Airlines deals on Illinois to Monterey flight tickets
United Airlines
Jul 25
ORD10:00 amChicago O'Hare Intl
4h 49m
MRY12:49 pmMonterey Regional
Aug 1
MRY2:05 pmMonterey Regional
4h 34m
ORD8:39 pmChicago O'Hare Intl
$329
United Airlines
Sep 2
STL8:42 amLambert-St Louis
8h 19m
1 stop
MRY3:01 pmMonterey Regional
Oct 6
MRY8:30 amMonterey Regional
8h 13m
1 stop
STL6:43 pmLambert-St Louis
$331
United Airlines
Aug 8
ORD10:00 amChicago O'Hare Intl
4h 49m
MRY12:49 pmMonterey Regional
Aug 15
MRY3:36 pmMonterey Regional
7h 23m
1 stop
ORD12:59 amChicago O'Hare Intl
$339

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Monterey 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, momondo users made 832,500 searches. Data last updated June 30, 2026.
Use the filters below to find and compare flights from Illinois to Monterey that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoMonterey

ORD - MRY

ORDMRY

Chicago O'Hare Intl

Thu 10/1

1:02 pm-3:20 pm

1 stop28h 18m

Monterey Regional

Mon 10/5

4:41 pm-5:42 am

1 stop11h 01m

$313

ChicagoMonterey

ORD - MRY

ORDMRY

Chicago O'Hare Intl

Fri 10/2

6:50 am-3:20 pm

1 stop10h 30m

Monterey Regional

Mon 10/5

4:41 pm-5:42 am

1 stop11h 01m

$321
Quickest round-trip

ChicagoMonterey

ORD - MRY

ORDMRY

Chicago O'Hare Intl

Sat 8/8

10:00 am-12:49 pm

Nonstop4h 49m

Monterey Regional

Sat 8/15

2:05 pm-8:27 pm

Nonstop4h 22m

$329

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Wed 9/2

8:42 am-3:01 pm

1 stop8h 19m

Monterey Regional

Tue 10/6

8:30 am-6:43 pm

1 stop8h 13m

$331

ChicagoMonterey

ORD - MRY

ORDMRY

Chicago O'Hare Intl

Thu 10/1

1:02 pm-3:20 pm

1 stop28h 18m

Monterey Regional

Mon 10/5

4:41 pm-10:01 am

2 stops15h 20m

$332

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Wed 9/2

10:16 am-6:40 pm

2 stops10h 24m

Monterey Regional

Tue 10/6

12:44 pm-11:42 pm

1 stop8h 58m

$336

ChicagoMonterey

ORD - MRY

ORDMRY

Chicago O'Hare Intl

Sat 8/8

10:00 am-12:49 pm

Nonstop4h 49m

Monterey Regional

Sat 8/15

3:36 pm-12:59 am

1 stop7h 23m

$339

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Wed 9/2

10:16 am-6:40 pm

2 stops10h 24m

Monterey Regional

Tue 10/6

12:49 pm-11:42 pm

2 stops8h 53m

$342

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Fri 10/2

7:36 pm-6:03 pm

1 stop24h 27m

Monterey Regional

Tue 10/6

6:03 am-11:59 pm

2 stops15h 56m

$391

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Fri 10/2

6:29 am-11:59 pm

2 stops19h 30m

Monterey Regional

Tue 10/6

6:03 am-11:59 pm

2 stops15h 56m

$396

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Illinois to Monterey

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 cheapest month to fly to Monterey?

The month of January is, on average, the cheapest month to fly to Monterey from Illinois, with most prices found around $260. If you’re not able to fly to Monterey in January, then October is your next best option. Flight prices from Illinois to Monterey during October average around $268.

What is the cheapest Illinois to Monterey Regional flight route?

Fly from Chicago O'Hare Intl to Monterey Regional for the best Illinois - Monterey Regional flight prices

What cabin class options are available on Illinois to Monterey flights?

There is only 1 cabin class available to choose from on Illinois to Monterey 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 Illinois to Monterey flights?

You could potentially save up to 27% on your flight if you consider stops on a Illinois to Monterey flight.

Cheap Illinois to Monterey flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Monterey

Fastest flight time

4h 49m

Direct flights

Sun

Airports in Monterey

1 airport
The fastest flight from Illinois to Monterey takes 4h 49m
Direct flights go from Illinois to Monterey on Sunday. There are no airlines offering direct flights.
There is 1 airport in Monterey. From Illinois there are direct flights to Monterey Regional (MRY).
Search flight deals

Frequently asked questions about flying from Illinois to Monterey

  • When did momondo last update prices for flights from Illinois to Monterey Regional Airport?

    Prices for flights from Illinois to Monterey Regional Airport are updated daily.

  • How many operators does momondo search for flights from Illinois to Monterey Regional Airport?

  • How old do you have to be to fly from Illinois to Monterey Regional Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Monterey Regional Airport.

  • What documentation or ID do you need to fly to Monterey Regional Airport?

    The required travel and health documents for your Monterey Regional Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Monterey Regional Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Illinois to Monterey?

Best airlines flying from Illinois to Monterey

Compare and see reviews for airlines that fly from Illinois to Monterey with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $268Free CancellationRating
7.1
11,762 reviews
Search American Airlines flights
United AirlinesPriceFrom $289Free CancellationRating
7.4
9,901 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $352Free CancellationRating
7.9
12,597 reviews
Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Monterey?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Monterey. momondo saves you time and could save you money on your trip.

Can I find flights from Illinois to Monterey with flexible booking policies on momondo?

Yes. All flights to Monterey from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Illinois to Monterey?

Once all potential Illinois to Monterey flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Monterey, momondo offers a useful price alert feature which will track prices for flights to Monterey from Illinois and alert you when they change.

An easier way to manage your Monterey trip

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