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Cheap flights from Illinois to San Francisco from $143

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 5/9. 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
4:10 pm - 11:48 pm
ORD
-
MRY
9h 38m
1 stop
Alaska Airlines Logo
2:51 pm - 1:13 pm
MRY
-
ORD
20h 22m
1 stop
$287Alaska Airlines
Wed, Apr 15 - Wed, Apr 22
Alaska Airlines Logo
8:00 am - 11:48 pm
ORD
-
MRY
17h 48m
2 stops
Alaska Airlines Logo
6:00 am - 7:02 pm
MRY
-
ORD
11h 02m
1 stop
$313Alaska Airlines
Tue, Apr 14 - Sat, Apr 18
Alaska Airlines Logo
4:10 pm - 11:48 pm
ORD
-
MRY
9h 38m
1 stop
Alaska Airlines Logo
6:00 am - 7:02 pm
MRY
-
ORD
11h 02m
1 stop
$317Alaska Airlines
Fri, Apr 10 - Wed, Apr 15
Alaska Airlines Logo
8:50 am - 2:14 pm
ORD
-
MRY
7h 24m
1 stop
Alaska Airlines Logo
2:51 pm - 1:14 pm
MRY
-
ORD
20h 23m
1 stop
$329Alaska Airlines
Thu, May 7 - Tue, May 12
Alaska Airlines Logo
2:54 pm - 11:28 pm
ORD
-
MRY
10h 34m
1 stop
Alaska Airlines Logo
6:00 am - 7:55 pm
MRY
-
ORD
11h 55m
2 stops
$334Alaska Airlines
Thu, Sep 17 - Wed, Sep 23
United Airlines Logo
8:40 am - 11:29 am
ORD
-
MRY
4h 49mnonstop
United Airlines Logo
1:54 pm - 11:16 pm
MRY
-
ORD
7h 22m
1 stop
$339United Airlines
Sat, Jun 13 - Mon, Jun 15
United Airlines Logo
6:10 am - 11:10 am
ORD
-
MRY
7h 00m
1 stop
United Airlines Logo
1:54 pm - 11:16 pm
MRY
-
ORD
7h 22m
1 stop
$349United Airlines
Sat, Jun 13 - Mon, Jun 15
American Airlines Logo
6:14 pm - 10:22 pm
STL
-
MRY
6h 08m
1 stop
American Airlines Logo
4:02 pm - 12:16 am
MRY
-
STL
6h 14m
1 stop
$369American Airlines
Mon, Aug 17 - Mon, Aug 31
Multiple Airlines Logo
6:58 pm - 1:32 pm
STL
-
MRY
20h 34m
1 stop
Multiple Airlines Logo
10:00 pm - 2:48 pm
MRY
-
STL
14h 48m
2 stops
$482Multiple Airlines
Tue, Jul 21 - Fri, Jul 24
American Airlines Logo
2:38 pm - 6:28 pm
STL
-
MRY
5h 50m
1 stop
American Airlines Logo
12:41 pm - 9:39 pm
MRY
-
STL
6h 58m
1 stop
$494American Airlines
Thu, Jul 9 - Sun, Jul 12

United Airlines flights from Illinois to Monterey

Our best United Airlines deals on Illinois to Monterey flight tickets
United Airlines
Jun 13
ORD8:40 amChicago O'Hare Intl
4h 49m
MRY11:29 amMonterey Regional
Jun 15
MRY1:54 pmMonterey Regional
7h 22m
1 stop
ORD11:16 pmChicago O'Hare Intl
$339
United Airlines
Jun 13
ORD6:10 amChicago O'Hare Intl
7h 00m
1 stop
MRY11:10 amMonterey Regional
Jun 15
MRY1:54 pmMonterey Regional
7h 22m
1 stop
ORD11:16 pmChicago O'Hare Intl
$349
United Airlines
Aug 17
STL4:40 pmLambert-St Louis
6h 29m
1 stop
MRY9:09 pmMonterey Regional
Aug 31
MRY1:51 pmMonterey Regional
7h 59m
2 stops
STL11:50 pmLambert-St Louis
$374

Alaska Airlines flights from Illinois to Monterey

Our best Alaska Airlines deals on Illinois to Monterey flight tickets
Alaska Airlines
Apr 15
ORD4:10 pmChicago O'Hare Intl
9h 38m
1 stop
MRY11:48 pmMonterey Regional
Apr 22
MRY2:51 pmMonterey Regional
20h 22m
1 stop
ORD1:13 pmChicago O'Hare Intl
$287
Alaska Airlines
Apr 14
ORD8:00 amChicago O'Hare Intl
17h 48m
2 stops
MRY11:48 pmMonterey Regional
Apr 18
MRY6:00 amMonterey Regional
11h 02m
1 stop
ORD7:02 pmChicago O'Hare Intl
$313
Alaska Airlines
Apr 10
ORD4:10 pmChicago O'Hare Intl
9h 38m
1 stop
MRY11:48 pmMonterey Regional
Apr 15
MRY6:00 amMonterey Regional
11h 02m
1 stop
ORD7:02 pmChicago O'Hare Intl
$317

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 March 28, 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

Wed 4/15

4:10 pm-11:48 pm

1 stop9h 38m

Monterey Regional

Wed 4/22

2:51 pm-1:13 pm

1 stop20h 22m

$287

ChicagoMonterey

ORD - MRY

ORDMRY

Chicago O'Hare Intl

Tue 4/14

8:00 am-11:48 pm

2 stops17h 48m

Monterey Regional

Sat 4/18

6:00 am-7:02 pm

1 stop11h 02m

$313

ChicagoMonterey

ORD - MRY

ORDMRY

Chicago O'Hare Intl

Fri 4/10

4:10 pm-11:48 pm

1 stop9h 38m

Monterey Regional

Wed 4/15

6:00 am-7:02 pm

1 stop11h 02m

$317

ChicagoMonterey

ORD - MRY

ORDMRY

Chicago O'Hare Intl

Thu 5/7

8:50 am-2:14 pm

1 stop7h 24m

Monterey Regional

Tue 5/12

2:51 pm-1:14 pm

1 stop20h 23m

$329

ChicagoMonterey

ORD - MRY

ORDMRY

Chicago O'Hare Intl

Thu 9/17

2:54 pm-11:28 pm

1 stop10h 34m

Monterey Regional

Wed 9/23

6:00 am-7:55 pm

2 stops11h 55m

$334
Quickest round-trip

ChicagoMonterey

ORD - MRY

ORDMRY

Chicago O'Hare Intl

Sat 6/13

8:40 am-11:29 am

Nonstop4h 49m

Monterey Regional

Mon 6/15

1:54 pm-11:16 pm

1 stop7h 22m

$339

ChicagoMonterey

ORD - MRY

ORDMRY

Chicago O'Hare Intl

Sat 6/13

6:10 am-11:10 am

1 stop7h 00m

Monterey Regional

Mon 6/15

1:54 pm-11:16 pm

1 stop7h 22m

$349

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Mon 8/17

6:14 pm-10:22 pm

1 stop6h 08m

Monterey Regional

Mon 8/31

4:02 pm-12:16 am

1 stop6h 14m

$369

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Tue 7/21

6:58 pm-1:32 pm

1 stop20h 34m

Monterey Regional

Fri 7/24

10:00 pm-2:48 pm

2 stops14h 48m

$482

St. LouisMonterey

STL - MRY

STLMRY

Lambert-St Louis

Thu 7/9

2:38 pm-6:28 pm

1 stop5h 50m

Monterey Regional

Sun 7/12

12:41 pm-9:39 pm

1 stop6h 58m

$494

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 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.

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 Regional flights?

There are 2 cabin classes available to choose from on Illinois to Monterey Regional flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

  • 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
11,520 reviews
Search American Airlines flights
United AirlinesPriceFrom $289Free CancellationRating
7.4
9,499 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

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.
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