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$470+ Cheap flights from San Sebastian (EAS) 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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
EAS — ORD
abr. 9 — abr. 161
mié. 4/9
mié. 4/16
1 adult, Economy
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Cheap flight deals from San Sebastian to Illinois

Keep the following information in mind while searching for San Sebastian to Illinois flight deals. Data was last updated abril 4, 2025.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$842
(Iberia)

One-way from

$470
(Kiwi.com)
Provider with most accurate pricing for San Sebastián-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for San Sebastián-Chicago (CHI) flights.
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From San Sebastián to Illinois
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One-way flight from San Sebastián to Illinois
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Find flight deals from San Sebastian to Illinois

Cheapest flights from San Sebastian to Illinois
Explore the most affordable flight options available from San Sebastian to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 4, 2025.

This Iberia deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/179:30 pmEAS - ORD
1 stop23h 45mIberia
lun. 4/2110:10 pmORD - EAS
1 stop15h 40mIberia
Deal found 4/3$842
This American Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/171:40 pmEAS - ORD
2 stops26h 08mAmerican Airlines
lun. 4/217:00 amORD - EAS
2 stops18h 40mAmerican Airlines
Deal found 4/3$1,341

Cheapflights Fare Finder

Customize your flight search to find flights from San Sebastian to Illinois 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, Cheapflights users made 2,558,603 searches. Data last updated abril 4, 2025.
Use the filters below to find and compare flights from San Sebastian to Illinois that are best for you.

Fly from

San Sebastian

Fly to

Illinois

Route

Depart

Return

Price

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

jue. 4/17

9:30 pm-2:15 pm

1 stop23h 45m

Chicago O'Hare Intl

lun. 4/21

10:10 pm-8:50 pm

1 stop15h 40m

$842

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

jue. 4/17

1:40 pm-8:48 am

2 stops26h 08m

Chicago O'Hare Intl

lun. 4/21

7:00 am-8:40 am

2 stops18h 40m

$1,341

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

dom. 6/15

9:25 am-4:44 pm

2 stops38h 19m

$470

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

sáb. 4/26

9:30 pm-1:15 pm

2 stops46h 45m

$637

San SebastianChicago

EAS - ORD

EASORD

San Sebastián

sáb. 4/26

9:30 pm-6:50 pm

1 stop28h 20m

$1,051

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Best time to book a flight from San Sebastian to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from San Sebastian 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 Sebastian to Illinois

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

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.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated abril 4, 2025.
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Boarding

7.5

Overall

7.2

Crew

8.0

Food

6.5

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Boarding

7.5

Overall

7.2

Crew

8.0

Food

6.5

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.
Iberia
7.0
Good
2,659 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Boarding

7.5

Overall

7.2

Crew

8.0

Food

6.5

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.
Avianca
6.7
Okay
2,305 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Boarding

7.5

Overall

7.2

Crew

8.0

Food

6.5

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.

Related info for your journey

Find useful and relevant information for your journey from San Sebastian 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 Sebastian to Illinois?

    If you book a flight to Illinois from San Sebastian, you will be flying from San Sebastián, which is the city’s only airport. San Sebastián (EAS) is located 9.7 mi from the center of San Sebastian.

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

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

  • How can I find direct flights from San Sebastian to Illinois?

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

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

    Yes. Cheapflights offers flight deals from San Sebastian 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 Sebastian to Illinois?

    Currently, August is the cheapest month in which you can book a flight from San Sebastian to Illinois (average of $245). Flying from San Sebastian 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.

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