$127 Find Cheap Flights from Illinois to Costa Rica

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Useful Info
Useful Info

Good to know

Low seasonSeptember
High seasonDecember
Cheapest flight$127
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly with an average 36% increase in price.
Flight from Chicago O'Hare Airport to San José

FAQs for booking flights from Illinois to Costa Rica

  • How does KAYAK find such low prices on flights from Illinois to Costa Rica?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Costa Rica.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Costa Rica?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Illinois to Costa Rica is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Costa Rica?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Illinois to Costa Rica with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Costa Rica?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Illinois to Costa Rica up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which is the cheapest airport to fly into in Costa Rica?

    Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Costa Rica is San José Juan Santamaria Intl Airport (SJO), with an average flight price of $280.

  • What is the cheapest day to fly to Costa Rica?

    Based on KAYAK data, the cheapest day to fly to Costa Rica is Wednesday where round-trip tickets can be as cheap as $498. On the other hand, the most expensive day to fly is Saturday, where round-trip prices are $839 on average.

  • What is the cheapest time of day to fly to Costa Rica?

    The cheapest time of day to fly to Costa Rica is generally at night, when round-trip flights cost $436 on average. Morning departures are around 75% more expensive than evening flights, on average. The most expensive time of day to fly to Costa Rica is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $852.

  • What is the cheapest flight to Costa Rica?

    The cheapest ticket to Costa Rica from Illinois found in the last 72 hours was to San José, at $469 round-trip. The most popular route is Chicago O'Hare Intl Airport (ORD) to San José (SJO) and the cheapest round-trip airline ticket found on this route in the last 72 hours was $469.

  • What is the cheapest month to fly from Illinois to Costa Rica?

    The cheapest month for flights from Illinois to Costa Rica is May, when tickets cost $709 (return) on average. On the other hand, the most expensive months are December and March, when the average cost of round-trip tickets is $1,242 and $948 respectively.

  • How far in advance should I book a flight from Illinois to Costa Rica?

    To get a below average price on the flight from Illinois to Costa Rica, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

  • How long is the flight to Costa Rica?

    An average nonstop flight from Illinois to Costa Rica takes 8h 50m, covering a distance of 2126 miles. The shortest route is Chicago O'Hare Intl Airport (ORD) to Liberia (LIR) with an average flight time of 5h 01m.

  • What are the most popular destinations in Costa Rica?

    Based on KAYAK flight searches, the most popular destination is San José (75% of total searches to Costa Rica). The next most popular destination is Liberia (25%).

Book cheap flights from Illinois to Costa Rica

Recent round-trip flight deals

6/2Mon
1 stopSpirit Airlines
7h 28mORD-SJO
6/5Thu
1 stopSpirit Airlines
10h 57mSJO-ORD
$236
7/24Thu
1 stopCopa Airlines
18h 13mORD-SJO
7/28Mon
1 stopCopa Airlines
11h 55mSJO-ORD
$246
6/2Mon
1 stop
16h 58mORD-SJO
6/10Tue
1 stop
13h 54mSJO-ORD
$266
6/2Mon
1 stop
16h 58mORD-SJO
6/5Thu
2 stops
22h 20mSJO-ORD
$280
6/4Wed
2 stopsAvianca
17h 55mORD-SJO
7/26Sat
2 stopsAvianca
17h 25mSJO-ORD
$340
6/18Wed
1 stopAvianca
8h 30mORD-SJO
6/26Thu
2 stopsAvianca
17h 25mSJO-ORD
$348
10/3Fri
2 stopsAmerican Airlines
17h 36mSTL-SJO
10/10Fri
2 stopsAmerican Airlines
19h 00mSJO-STL
$366
6/6Fri
1 stopAmerican Airlines
12h 56mSTL-SJO
6/16Mon
1 stopAmerican Airlines
8h 19mSJO-STL
$382
6/2Mon
1 stopUnited Airlines
9h 08mSTL-LIR
6/8Sun
1 stopUnited Airlines
8h 44mLIR-STL
$405
8/1Fri
1 stopUnited Airlines
6h 55mSTL-LIR
8/4Mon
1 stopUnited Airlines
17h 06mLIR-STL
$425

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Recent one-way flight deals

6/17Tue
1 stopSpirit Airlines
24h 51mORD-SJO
$127
8/23Sat
1 stopAvianca
7h 10mORD-SJO
$132
8/11Mon
1 stop
27h 57mORD-SJO
$135
5/20Tue
1 stop
13h 45mORD-SJO
$146
10/10Fri
2 stopsAmerican Airlines
17h 30mSTL-SJO
$181
6/23Mon
2 stopsAmerican Airlines
18h 28mSTL-LIR
$182
5/19Mon
2 stopsSouthwest
12h 35mMDW-SJO
$205
8/1Fri
1 stopDelta
6h 56mMDW-SJO
$207
5/7Wed
1 stopDelta
7h 00mSTL-LIR
$212
6/17Tue
1 stopSouthwest
9h 10mMDW-SJO
$245

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Last minute flights from Illinois to Costa Rica

Last minute flight, train and bus deals

5/5Mon
multi-stop
22h 29mORD-SJO
5/13Tue
multi-stop
9h 36mSJO-ORD
$358
5/3Sat
multi-stopAmerican Airlines
12h 20mSTL-SJO
5/8Thu
multi-stopAmerican Airlines
14h 49mSJO-STL
$429
5/1Thu
multi-stopCopa Airlines
11h 54mORD-SJO
5/5Mon
multi-stopCopa Airlines
9h 05mSJO-ORD
$430
5/3Sat
multi-stopAmerican Airlines
9h 19mORD-SJO
5/5Mon
multi-stopAmerican Airlines
9h 06mSJO-ORD
$443
5/5Mon
multi-stop
22h 29mORD-SJO
5/12Mon
multi-stop
10h 20mSJO-ORD
$444
5/3Sat
multi-stopAmerican Airlines
10h 57mORD-SJO
5/5Mon
multi-stopAmerican Airlines
9h 06mSJO-ORD
$447
5/5Mon
multi-stopSpirit Airlines
16h 31mORD-SJO
5/10Sat
multi-stopSpirit Airlines
10h 57mSJO-ORD
$484
5/1Thu
multi-stopAvianca
19h 45mORD-SJO
5/5Mon
multi-stopAvianca
25h 15mSJO-ORD
$502
5/1Thu
multi-stopAvianca
20h 30mORD-SJO
5/5Mon
multi-stopAvianca
25h 15mSJO-ORD
$571
5/2Fri
multi-stopSpirit Airlines
21h 10mORD-SJO
5/3Sat
multi-stopSpirit Airlines
29h 45mSJO-ORD
$605

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Everything you need to know for your flight to Costa Rica

Cabin class types available on flights to Illinois

Cabin classes available on flights to Illinois. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Costa Ricafrom $905
Business Class flights to Costa Ricafrom $1,166
Prem Econ Class flights to Costa Ricafrom $1,202
Economy Class flights to Costa Ricafrom $469

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