What are the cheapest airlines to fly from San Salvador to Illinois one-way?

One-way options have recently been found by users for as low as $141 on United Airlines. Other airlines that offer cheap prices include American Airlines from $142 and Copa Airlines from $145 one-way.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

What are the cheapest flights from San Salvador to Illinois?

Looking at all options, your cheapest flight can be booked for $131. While the most popular route (San Salvador El Salvador Intl - Chicago O'Hare Intl) can be booked for $204 on average our data indicates $329 when flying from San Salvador to Illinois.

What are the most popular airlines that fly from San Salvador to Illinois?

Consider American Airlines, Avianca or Copa Airlines when booking your flight. These represent the most popular airlines when flying from San Salvador to Illinois.

How far in advance should I book a flight from San Salvador to Illinois?

Users have found that booking a flight from San Salvador to Illinois at least 37 days early can save you up to 87% on average compared to booking a flight this week. If booking 37 days before your flight isn’t an option for you, users have found flights from San Salvador to Illinois for as little as $287 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $363 for flights departing within the next 3 days.

What is the cheapest month to fly from San Salvador to Illinois?

Due to multiple factors, expect to potentially pay more when booking in November. For low rates, February can be a great choice for travel to Illinois. Flights to Illinois from San Salvador in February are about $423 on average during February, but can be found for as low as $224.

What airport do you fly from for flights from San Salvador to Illinois?

San Salvador El Salvador Intl (SAL), located 20.5 mi from the city center, is the airport you fly out of when you book flights from San Salvador to Illinois.

Can I find deals for flights from San Salvador to Illinois that include hotel bookings?

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

How can I find direct flights from San Salvador to Illinois?

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

Can I find deals for business class flights from San Salvador to Illinois?

Yes. Cheapflights offers flight deals from San Salvador 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.

$141+ Flights from San Salvador to Illinois

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Cheap flight deals from San Salvador to Illinois

Round-trip from	$231 (United Airlines)
One-way from	$141 (United Airlines)
Popular in	November
Cheapest in	February
Average price	$425
Good round-trip deal	$378 or less
Good one-way deal	$131 or less

From San Salvador El Salvador Intl to Illinois

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One-way flight from San Salvador El Salvador Intl to Illinois

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Highest demand for flights based on searches. 17% potential increase in price ($91 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Price to beat on a round-trip flight from San Salvador El Salvador Intl to Illinois.

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Price to beat on a one-way flight from San Salvador El Salvador Intl to Illinois.

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Find flight deals from San Salvador to Illinois

Cheapest flights from San Salvador to Illinois
Explore the most affordable flight options available from San Salvador to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 30, 2025.

vie. 9/123:30 pmSAL - ORD

1 stop15h 23mUnited Airlines

lun. 9/159:05 pmORD - SAL

1 stop16h 01mUnited Airlines

Deal found 6/29

$231

sáb. 8/210:25 amSAL - ORD

Nonstop4h 40mAvianca

jue. 8/75:25 pmORD - SAL

Nonstop4h 40mAvianca

Deal found 6/30

$237

jue. 7/311:44 pmSAL - ORD

1 stop9h 09mMultiple Airlines

mar. 8/55:25 pmORD - SAL

Nonstop4h 40mMultiple Airlines

Deal found 6/30

$244

mar. 8/191:19 pmSAL - ORD

1 stop9h 40mSpirit Airlines

sáb. 8/238:12 pmORD - SAL

1 stop17h 02mSpirit Airlines

Deal found 6/30

$247

jue. 7/241:40 pmSAL - ORD

1 stop9h 40mCopa Airlines

mié. 7/301:07 amORD - SAL

1 stop12h 35mCopa Airlines

Deal found 6/30

$267

vie. 8/221:52 pmSAL - ORD

1 stop9h 04mDelta

lun. 9/15:45 amORD - SAL

1 stop7h 42mDelta

Deal found 6/30

$279

mar. 8/192:40 pmSAL - ORD

1 stop15h 44mAmerican Airlines

sáb. 8/2310:10 pmORD - SAL

2 stops14h 26mAmerican Airlines

Deal found 6/30

$287

mié. 10/11:37 pmSAL - MDW

1 stop6h 59mDelta

lun. 10/66:00 amMDW - SAL

1 stop7h 10mDelta

Deal found 6/30

$347

mié. 7/911:50 pmSAL - MDW

1 stop12h 57mFrontier

dom. 7/137:40 amMDW - SAL

2 stops40h 05mFrontier

Deal found 6/30

$417

mié. 7/3011:50 pmSAL - MDW

1 stop22h 27mMultiple Airlines

sáb. 8/29:12 pmMDW - SAL

1 stop21h 43mMultiple Airlines

Deal found 6/30

$423

Best flights from San Salvador to Illinois
Discover carefully curated flight deals from San Salvador to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated junio 30, 2025.

vie. 9/123:30 pmSAL - ORD

1 stop17h 43mUnited Airlines

lun. 9/299:05 pmORD - SAL

1 stop16h 01mUnited Airlines

Deal found 6/30

$231

sáb. 8/210:25 amSAL - ORD

Nonstop4h 40mAvianca

jue. 8/75:25 pmORD - SAL

Nonstop4h 40mAvianca

Deal found 6/30

$237

jue. 7/311:44 pmSAL - ORD

1 stop9h 09mMultiple Airlines

mar. 8/55:25 pmORD - SAL

Nonstop4h 40mMultiple Airlines

Deal found 6/30

$244

mar. 8/191:19 pmSAL - ORD

1 stop9h 40mSpirit Airlines

sáb. 8/238:12 pmORD - SAL

1 stop17h 02mSpirit Airlines

Deal found 6/30

$247

jue. 7/241:40 pmSAL - ORD

1 stop9h 40mCopa Airlines

mié. 7/301:07 amORD - SAL

1 stop12h 35mCopa Airlines

Deal found 6/30

$267

vie. 8/221:52 pmSAL - ORD

1 stop9h 04mDelta

lun. 9/15:45 amORD - SAL

1 stop7h 42mDelta

Deal found 6/30

$279

mar. 8/192:40 pmSAL - ORD

1 stop15h 44mAmerican Airlines

sáb. 8/2310:10 pmORD - SAL

2 stops14h 26mAmerican Airlines

Deal found 6/30

$287

lun. 7/2811:50 pmSAL - MDW

1 stop9h 50mFrontier

mié. 8/611:39 amMDW - SAL

1 stop12h 06mFrontier

Deal found 6/30

$427

mié. 10/11:37 pmSAL - MDW

1 stop6h 59mDelta

lun. 10/66:00 amMDW - SAL

1 stop7h 10mDelta

Deal found 6/30

$347

mié. 7/3011:50 pmSAL - MDW

1 stop22h 27mMultiple Airlines

sáb. 8/29:12 pmMDW - SAL

1 stop21h 43mMultiple Airlines

Deal found 6/30

$423

Last-minute flights from San Salvador to Illinois
Discover last-minute flight deals from San Salvador to Illinois. Data last updated junio 30, 2025 and is based on user searches.

lun. 6/301:15 amSAL - ORD

1 stop12h 36mUnited Airlines

mar. 7/159:46 amORD - SAL

1 stop15h 12mUnited Airlines

Deal found 6/30

$327

mié. 7/91:15 amSAL - ORD

1 stop22h 00mUnited Airlines

mar. 7/151:05 pmORD - SAL

1 stop8h 38mUnited Airlines

Deal found 6/30

$341

mié. 7/911:50 pmSAL - MDW

1 stop12h 57mFrontier

dom. 7/137:40 amMDW - SAL

2 stops40h 05mFrontier

Deal found 6/30

$417

mié. 7/911:50 pmSAL - ORD

2 stops21h 25mFrontier

dom. 7/134:43 pmORD - SAL

2 stops31h 02mFrontier

Deal found 6/30

$450

jue. 7/101:40 pmSAL - ORD

1 stop9h 40mCopa Airlines

jue. 8/147:55 amORD - SAL

1 stop16h 40mCopa Airlines

Deal found 6/27

$267

jue. 7/101:44 pmSAL - ORD

1 stop9h 09mSpirit Airlines

mar. 7/155:05 amORD - SAL

1 stop8h 34mSpirit Airlines

Deal found 6/28

$279

jue. 7/1010:25 amSAL - ORD

Nonstop4h 40mMultiple Airlines

mar. 7/155:05 amORD - SAL

1 stop8h 34mMultiple Airlines

Deal found 6/28

$283

jue. 7/1010:25 amSAL - ORD

Nonstop4h 40mAvianca

mar. 7/155:25 pmORD - SAL

Nonstop4h 40mAvianca

Deal found 6/28

$331

jue. 7/107:30 pmSAL - MDW

2 stops18h 36mMultiple Airlines

jue. 8/147:40 amMDW - SAL

1 stop9h 30mMultiple Airlines

Deal found 6/27

$467

jue. 7/106:00 amSAL - ORD

2 stops10h 37mAmerican Airlines

mar. 7/158:51 pmORD - SAL

1 stop17h 04mAmerican Airlines

Deal found 6/29

$471

jue. 7/103:45 pmSAL - ORD

2 stops19h 24mAeromexico

lun. 7/142:01 amORD - SAL

1 stop13h 22mAeromexico

Deal found 6/30

$1,608

jue. 7/101:19 pmSAL - MDW

1 stop7h 23mDelta

mar. 7/156:00 amMDW - SAL

1 stop7h 04mDelta

Deal found 6/30

$1,651

One-way flights from San Salvador to Illinois
Search for one-way flight options from San Salvador to Illinois. Find affordable one-way fares based on user searches. Data last updated junio 30, 2025.

vie. 7/46:00 amSAL - ORD

1 stop12h 55mUnited Airlines

Deal found 6/29

$141

lun. 8/252:40 pmSAL - ORD

1 stop15h 44mAmerican Airlines

Deal found 6/28

$142

jue. 7/248:30 amSAL - ORD

1 stop14h 50mCopa Airlines

Deal found 6/30

$145

mar. 8/261:19 pmSAL - ORD

1 stop9h 40mSpirit Airlines

Deal found 6/29

$149

mar. 8/510:25 amSAL - ORD

Nonstop4h 40mAvianca

Deal found 6/30

$155

sáb. 8/231:52 pmSAL - MDW

2 stops17h 43mDelta

Deal found 6/27

$165

lun. 8/258:00 amSAL - ORD

1 stop10h 42mMultiple Airlines

Deal found 6/29

$179

lun. 8/2511:44 pmSAL - MDW

1 stop8h 18mFrontier

Deal found 6/27

$186

sáb. 8/2312:05 pmSAL - MDW

1 stop24h 51mMultiple Airlines

Deal found 6/27

$190

lun. 8/411:50 pmSAL - ORD

1 stop9h 35mFrontier

Deal found 6/30

$212

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Salvador to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San SalvadorChicago

SAL - ORD

SALORD

San Salvador El Salvador Intl

vie. 9/12

3:30 pm-7:53 am

1 stop15h 23m

Chicago O'Hare Intl

lun. 9/15

9:05 pm-12:06 pm

1 stop16h 01m

$231

San SalvadorChicago

SAL - ORD

SALORD

San Salvador El Salvador Intl

sáb. 8/2

10:25 am-4:05 pm

Nonstop4h 40m

Chicago O'Hare Intl

jue. 8/7

5:25 pm-9:05 pm

Nonstop4h 40m

$237

San SalvadorChicago

SAL - ORD

SALORD

San Salvador El Salvador Intl

jue. 7/31

1:44 pm-11:53 pm

1 stop9h 09m

Chicago O'Hare Intl

mar. 8/5

5:25 pm-9:05 pm

Nonstop4h 40m

$244

San SalvadorChicago

SAL - ORD

SALORD

San Salvador El Salvador Intl

mar. 8/19

1:19 pm-11:59 pm

1 stop9h 40m

Chicago O'Hare Intl

sáb. 8/23

8:12 pm-12:14 pm

1 stop17h 02m

$247

San SalvadorChicago

SAL - ORD

SALORD

San Salvador El Salvador Intl

jue. 7/24

1:40 pm-12:20 am

1 stop9h 40m

Chicago O'Hare Intl

mié. 7/30

1:07 am-12:42 pm

1 stop12h 35m

$267

San SalvadorChicago

SAL - ORD

SALORD

San Salvador El Salvador Intl

vie. 8/22

1:52 pm-11:56 pm

1 stop9h 04m

Chicago O'Hare Intl

lun. 9/1

5:45 am-12:27 pm

1 stop7h 42m

$279

San SalvadorChicago

SAL - ORD

SALORD

San Salvador El Salvador Intl

mar. 8/19

2:40 pm-7:24 am

1 stop15h 44m

Chicago O'Hare Intl

sáb. 8/23

10:10 pm-11:36 am

2 stops14h 26m

$287

San SalvadorChicago

SAL - MDW

SALMDW

San Salvador El Salvador Intl

mié. 10/1

1:37 pm-9:36 pm

1 stop6h 59m

Chicago Midway

lun. 10/6

6:00 am-12:10 pm

1 stop7h 10m

$347

San SalvadorChicago

SAL - MDW

SALMDW

San Salvador El Salvador Intl

mié. 7/30

11:50 pm-11:17 pm

1 stop22h 27m

Chicago Midway

sáb. 8/2

9:12 pm-5:55 pm

1 stop21h 43m

$423

San SalvadorChicago

SAL - MDW

SALMDW

San Salvador El Salvador Intl

lun. 7/28

11:50 pm-10:40 am

1 stop9h 50m

Chicago Midway

mié. 8/6

11:39 am-10:45 pm

1 stop12h 06m

$427

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

Showing 1-10 of 20 results

Best time to book a flight from San Salvador to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from San Salvador with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Salvador to Illinois

What is the cheapest month to book a flight from San Salvador to Illinois?

Currently, August is the cheapest month in which you can book a flight from San Salvador to Illinois (average of $245). Flying from San Salvador to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAL to IL?

When flying from San Salvador 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.

Reviews of airlines servicing Illinois

Read reviews from past customers who have flown Delta, Copa Airlines, and United Airlines from San Salvador to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,969 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,969 reviews

Delta

8.0

Very good

7,969 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Copa Airlines

7.5

Good

1,465 reviews

Delta

8.0

Very good

7,969 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,852 reviews

Delta

8.0

Very good

7,969 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,969 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Avianca

6.7

Okay

2,359 reviews

Delta

8.0

Very good

7,969 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly from for flights from San Salvador to Illinois?
San Salvador El Salvador Intl (SAL), located 20.5 mi from the city center, is the airport you fly out of when you book flights from San Salvador to Illinois.
What are the cheapest airlines to fly from San Salvador to Illinois one-way?
One-way options have recently been found by users for as low as $141 on United Airlines. Other airlines that offer cheap prices include American Airlines from $142 and Copa Airlines from $145 one-way.
What are the cheapest flights from San Salvador to Illinois?
Looking at all options, your cheapest flight can be booked for $131. While the most popular route (San Salvador El Salvador Intl - Chicago O'Hare Intl) can be booked for $204 on average our data indicates $329 when flying from San Salvador to Illinois.
Can I find deals for flights from San Salvador to Illinois that include hotel bookings?
Yes. In addition to deals on San Salvador to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Salvador to Illinois?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Salvador to Illinois.
Can I find deals for business class flights from San Salvador to Illinois?
Yes. Cheapflights offers flight deals from San Salvador 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.
What is the cheapest month to book a flight from San Salvador to Illinois?
Currently, August is the cheapest month in which you can book a flight from San Salvador to Illinois (average of $245). Flying from San Salvador to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Illinois car rentals

Chicago O'Hare Intl Airport car rentals

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Springfield Capital Airport car rentals

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Belleville Airport car rentals

Marion Williamson County Airport car rentals

Quincy Regional Airport car rentals

Top 5 airlines flying from San Salvador to Illinois

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$270	Average$462	FlexibilityNo cancel fee	On-time69%
Avianca	Cheapest$271	Average$422	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$278	Average$537	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$291	Average$619	FlexibilityNo cancel fee	On-time71%
Copa Airlines	Cheapest$293	Average$388	FlexibilityNo cancel fee	On-time70%

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$141+ Cheap flights from San Salvador (SAL) to Illinois

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Salvador to Illinois with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from San Salvador to Illinois

Keep the following information in mind while searching for San Salvador to Illinois flight deals. Data was last updated junio 30, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from San Salvador to Illinois

Cheapest flights from San Salvador to IllinoisExplore the most affordable flight options available from San Salvador to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 30, 2025.

Explore the most affordable flight options available from San Salvador to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Salvador to Illinois that are best for you.

Best time to book a flight from San Salvador to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from San Salvador with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Salvador to Illinois

What is the cheapest month to book a flight from San Salvador to Illinois?

What is the cheapest time of day to fly from SAL to IL?

Find hourly flight availability from San Salvador 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 junio 30, 2025.

Reviews of airlines servicing Illinois

Read reviews from past customers who have flown Delta, Copa Airlines, and United Airlines from San Salvador to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What airport do you fly from for flights from San Salvador to Illinois?

What are the cheapest airlines to fly from San Salvador to Illinois one-way?

What are the cheapest flights from San Salvador to Illinois?

Can I find deals for flights from San Salvador to Illinois that include hotel bookings?

How can I find direct flights from San Salvador to Illinois?

Can I find deals for business class flights from San Salvador to Illinois?

What is the cheapest month to book a flight from San Salvador to Illinois?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Salvador to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from San Salvador to Illinois

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Cheapest flights from San Salvador to Illinois
Explore the most affordable flight options available from San Salvador to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 30, 2025.