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Cheap flights from Illinois to San Francisco from $141

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 4/29. 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
0 bags

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Find the cheapest flights from Illinois to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
3:44 pm - 11:26 pm
ORD
-
MRY
9h 42m1 stop
Alaska Airlines Logo
3:14 pm - 11:37 pm
MRY
-
ORD
6h 23m1 stop
$283Alaska Airlines
Tue, Jan 20 - Wed, Jan 28
American Airlines Logo
7:05 am - 12:22 pm
ORD
-
MRY
7h 17m1 stop
American Airlines Logo
9:52 am - 10:09 pm
MRY
-
ORD
10h 17m2 stops
$288American Airlines
Tue, Feb 3 - Tue, Feb 10
Alaska Airlines Logo
3:44 pm - 11:26 pm
ORD
-
MRY
9h 42m1 stop
Alaska Airlines Logo
3:14 pm - 11:37 pm
MRY
-
ORD
6h 23m1 stop
$292Alaska Airlines
Fri, Jan 23 - Sat, Jan 31
Alaska Airlines Logo
6:06 pm - 2:37 pm
ORD
-
MRY
22h 31m2 stops
Alaska Airlines Logo
6:00 am - 11:50 pm
MRY
-
ORD
15h 50m2 stops
$293Alaska Airlines
Tue, Feb 3 - Tue, Feb 10
Alaska Airlines Logo
5:29 pm - 2:06 pm
ORD
-
MRY
22h 37m2 stops
Alaska Airlines Logo
2:43 pm - 11:59 pm
MRY
-
ORD
7h 16m1 stop
$298Alaska Airlines
Fri, Feb 20 - Tue, Feb 24
Alaska Airlines Logo
3:44 pm - 11:26 pm
ORD
-
MRY
9h 42m1 stop
Alaska Airlines Logo
3:14 pm - 11:37 pm
MRY
-
ORD
6h 23m1 stop
$302Alaska Airlines
Sun, Jan 18 - Thu, Jan 22
United Airlines Logo
8:46 am - 1:18 pm
MLI
-
MRY
6h 32m1 stop
United Airlines Logo
8:20 pm - 10:12 am
MRY
-
MLI
11h 52m2 stops
$409United Airlines
Thu, Jan 8 - Sun, Jan 11
United Airlines Logo
10:47 am - 9:59 pm
MLI
-
MRY
13h 12m2 stops
United Airlines Logo
8:20 pm - 10:12 am
MRY
-
MLI
11h 52m2 stops
$414United Airlines
Thu, Jan 8 - Sun, Jan 11
United Airlines Logo
4:15 pm - 9:20 pm
STL
-
MRY
7h 05m1 stop
United Airlines Logo
6:30 am - 3:37 pm
MRY
-
STL
7h 07m1 stop
$447United Airlines
Sat, Jan 10 - Wed, Jan 14
American Airlines Logo
5:14 am - 12:10 pm
STL
-
MRY
8h 56m1 stop
American Airlines Logo
12:48 pm - 11:22 pm
MRY
-
STL
8h 34m1 stop
$482American Airlines
Fri, Mar 6 - Tue, Mar 10

United Airlines flights from Illinois to Monterey

Our best United Airlines deals on Illinois to Monterey flight tickets
United Airlines
Feb 13
ORD2:33 pmChicago O'Hare Intl
8h 57m
1 stop
MRY9:30 pmMonterey Regional
Feb 15
MRY6:03 pmMonterey Regional
9h 09m
1 stop
ORD5:12 amChicago O'Hare Intl
$359
Find similar
United Airlines
Jan 29
ORD2:40 pmChicago O'Hare Intl
6h 39m
1 stop
MRY7:19 pmMonterey Regional
Feb 4
MRY8:20 pmMonterey Regional
7h 24m
1 stop
ORD5:44 amChicago O'Hare Intl
$383
Find similar
United Airlines
Feb 20
ORD4:00 pmChicago O'Hare Intl
7h 30m
1 stop
MRY9:30 pmMonterey Regional
Feb 22
MRY6:03 pmMonterey Regional
9h 09m
1 stop
ORD5:12 amChicago O'Hare Intl
$393
Find similar

Alaska Airlines flights from Illinois to Monterey

Our best Alaska Airlines deals on Illinois to Monterey flight tickets
Alaska Airlines
Jan 20
ORD3:44 pmChicago O'Hare Intl
9h 42m
1 stop
MRY11:26 pmMonterey Regional
Jan 27
MRY3:14 pmMonterey Regional
6h 23m
1 stop
ORD11:37 pmChicago O'Hare Intl
$283
Find similar
Alaska Airlines
Jan 23
ORD3:44 pmChicago O'Hare Intl
9h 42m
1 stop
MRY11:26 pmMonterey Regional
Jan 27
MRY3:14 pmMonterey Regional
6h 23m
1 stop
ORD11:37 pmChicago O'Hare Intl
$292
Find similar
Alaska Airlines
Feb 3
ORD6:06 pmChicago O'Hare Intl
22h 31m
2 stops
MRY2:37 pmMonterey Regional
Feb 10
MRY6:00 amMonterey Regional
15h 50m
2 stops
ORD11:50 pmChicago O'Hare Intl
$293
Find similar

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 December 28, 2025.
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

ChicagoMonterey

ORD - MRY

ORDMRY

Chicago O'Hare Intl

Tue 1/20

3:44 pm-11:26 pm

1 stop9h 42m

Monterey Regional

Wed 1/28

3:14 pm-11:37 pm

1 stop6h 23m

$283

ChicagoMonterey

ORD - MRY

ORDMRY

Chicago O'Hare Intl

Tue 2/3

7:05 am-12:22 pm

1 stop7h 17m

Monterey Regional

Tue 2/10

9:52 am-10:09 pm

2 stops10h 17m

$288

ChicagoMonterey

ORD - MRY

ORDMRY

Chicago O'Hare Intl

Fri 1/23

3:44 pm-11:26 pm

1 stop9h 42m

Monterey Regional

Sat 1/31

3:14 pm-11:37 pm

1 stop6h 23m

$292

ChicagoMonterey

ORD - MRY

ORDMRY

Chicago O'Hare Intl

Tue 2/3

6:06 pm-2:37 pm

2 stops22h 31m

Monterey Regional

Tue 2/10

6:00 am-11:50 pm

2 stops15h 50m

$293

ChicagoMonterey

ORD - MRY

ORDMRY

Chicago O'Hare Intl

Fri 2/20

5:29 pm-2:06 pm

2 stops22h 37m

Monterey Regional

Tue 2/24

2:43 pm-11:59 pm

1 stop7h 16m

$298

ChicagoMonterey

ORD - MRY

ORDMRY

Chicago O'Hare Intl

Sun 1/18

3:44 pm-11:26 pm

1 stop9h 42m

Monterey Regional

Thu 1/22

3:14 pm-11:37 pm

1 stop6h 23m

$302

MolineMonterey

MLI - MRY

MLIMRY

Moline Quad-City

Thu 1/8

8:46 am-1:18 pm

1 stop6h 32m

Monterey Regional

Sun 1/11

8:20 pm-10:12 am

2 stops11h 52m

$409

MolineMonterey

MLI - MRY

MLIMRY

Moline Quad-City

Thu 1/8

10:47 am-9:59 pm

2 stops13h 12m

Monterey Regional

Sun 1/11

8:20 pm-10:12 am

2 stops11h 52m

$414

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Sat 1/10

4:15 pm-9:20 pm

1 stop7h 05m

Monterey Regional

Wed 1/14

6:30 am-3:37 pm

1 stop7h 07m

$447

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Fri 3/6

5:14 am-12:10 pm

1 stop8h 56m

Monterey Regional

Tue 3/10

12:48 pm-11:22 pm

1 stop8h 34m

$482

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 November is, on average, the cheapest month to fly to Monterey from Illinois, with most prices found around $358. If you’re not able to fly to Monterey in November, then January is your next best option. Flight prices from Illinois to Monterey during January average around $419.

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

5h 24m

Direct flights

Sun

Airports in Monterey

1 airport
The fastest flight from Illinois to Monterey takes 5h 24m
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

  • 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.

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 $276Free CancellationRating
7.2
11,073 reviews
Search American Airlines flights
United AirlinesPriceFrom $352Free CancellationRating
7.4
9,113 reviews
Search United 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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