What are the cheapest airlines to fly from Illinois to Dominican Republic one-way?

To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $102. Delta flights start at $160 while deals on American Airlines start at $249 one-way.

In terms of precipitation, rainfall in Dominican Republic ranges from 2.1 - 6.0 inches per month. October is typically the wettest month, when rainfall can reach 6.0 in. February is typically the driest time to visit Dominican Republic when rainfall is around 2.1 in.

If weather is an important factor for your trip to Dominican Republic, 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

How far in advance should I book a flight from Illinois to Dominican Republic?

Find a great deal and save up to 21% by booking at least 47 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Illinois to Dominican Republic within the next two weeks, with the cheapest ticket starting at $450.

What is the cheapest month to fly from Illinois to Dominican Republic?

The best pricing can be found in the month of July. Prices to Dominican Republic from Illinois average $537. You can even find prices in July for less than $537, as users have found deals to Dominican Republic from as low as $270. The month of March appears to be one of the more expensive times to travel to Dominican Republic from Illinois. Flying in the targeted month can save you up to 22%.

Can I find deals for flights from Illinois to Dominican Republic that include hotel bookings?

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

How can I find direct flights from Illinois to Dominican Republic?

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

Can I find deals for business class flights from Illinois to Dominican Republic?

Yes. Cheapflights offers flight deals from Illinois to Dominican Republic by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$102+ Cheap Flights from Illinois to the Dominican Republic

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Cheap flight deals from Illinois to Dominican Republic

Round-trip from	$266 (FlightHub)
One-way from	$102 (FlightHub)
Popular in	March
Cheapest in	July
Average price	$485
Good round-trip deal	$373 or less
Good one-way deal	$126 or less

From Illinois to Dominican Republic

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One-way flight from Illinois to Dominican Republic

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Highest demand for flights based on searches. 2% potential increase in price ($16 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Price to beat on a round-trip flight from Illinois to Dominican Republic.

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Price to beat on a one-way flight from Illinois to Dominican Republic.

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Find flight deals from Illinois to Dominican Republic

Cheapest flights from Illinois to Dominican Republic
Explore the most affordable flight options available from Illinois to Dominican Republic. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Sat 9/135:05 amORD - SDQ

1 stop8h 37mSpirit Airlines

Sat 9/203:47 pmSDQ - ORD

1 stop8h 01mSpirit Airlines

Deal found 8/16

$266

Tue 9/95:05 amORD - SDQ

1 stop9h 55mSpirit Airlines

Tue 9/161:20 pmSDQ - ORD

1 stop9h 38mSpirit Airlines

Deal found 8/17

$281

Sat 9/65:05 amORD - SDQ

1 stop8h 37mSpirit Airlines

Sat 9/132:12 pmSDQ - ORD

1 stop8h 46mSpirit Airlines

Deal found 8/17

$288

Sat 10/185:05 amORD - SDQ

1 stop8h 37mSpirit Airlines

Sat 10/253:47 pmSDQ - ORD

1 stop8h 58mSpirit Airlines

Deal found 8/16

$291

Tue 10/145:05 amORD - SDQ

1 stop8h 43mSpirit Airlines

Wed 10/293:54 pmSDQ - ORD

1 stop10h 09mSpirit Airlines

Deal found 8/17

$293

Tue 9/305:05 amORD - SDQ

1 stop9h 55mSpirit Airlines

Tue 10/73:54 pmSDQ - ORD

1 stop8h 51mSpirit Airlines

Deal found 8/16

$294

Sat 9/65:05 amORD - SDQ

1 stop8h 37mSpirit Airlines

Tue 9/165:05 pmSDQ - ORD

1 stop18h 47mSpirit Airlines

Deal found 8/16

$296

Sun 9/75:05 amORD - SDQ

1 stop9h 55mSpirit Airlines

Sat 9/133:47 pmSDQ - ORD

1 stop8h 01mSpirit Airlines

Deal found 8/15

$297

Thu 9/115:05 amORD - SDQ

1 stop9h 55mSpirit Airlines

Tue 9/161:20 pmSDQ - ORD

1 stop9h 38mSpirit Airlines

Deal found 8/17

$298

Sat 10/45:05 amORD - SDQ

1 stop8h 37mSpirit Airlines

Sat 10/113:59 pmSDQ - ORD

1 stop8h 46mSpirit Airlines

Deal found 8/17

$301

Sat 12/610:27 amORD - PUJ

Nonstop4h 45mArajet

Sat 12/135:47 amPUJ - ORD

Nonstop5h 10mArajet

Deal found 8/17

$308

Wed 10/85:05 amORD - PUJ

1 stop8h 44mSpirit Airlines

Wed 10/153:57 pmPUJ - ORD

1 stop8h 48mSpirit Airlines

Deal found 8/17

$309

Best flights from Illinois to Dominican Republic
Discover carefully curated flight deals from Illinois to Dominican Republic that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 18, 2025.

Sat 9/135:05 amORD - SDQ

1 stop8h 37mSpirit Airlines

Sat 9/203:47 pmSDQ - ORD

1 stop8h 01mSpirit Airlines

Deal found 8/16

$266

Mon 10/276:00 amMDW - PUJ

1 stop7h 31mDelta

Fri 10/312:49 pmPUJ - MDW

1 stop8h 25mDelta

Deal found 8/17

$343

Tue 10/75:25 amMDW - PUJ

1 stop7h 45mSouthwest

Fri 10/103:30 pmPUJ - MDW

1 stop7h 50mSouthwest

Deal found 8/17

$343

Sun 9/1410:35 amSTL - PUJ

1 stop26h 39mMultiple Airlines

Sun 9/2111:45 amPUJ - STL

2 stops28h 19mMultiple Airlines

Deal found 8/15

$375

Thu 9/117:04 pmSTL - PUJ

2 stops16h 36mUnited Airlines

Thu 9/251:50 pmPUJ - STL

1 stop10h 54mUnited Airlines

Deal found 8/17

$385

Tue 9/305:28 amSTL - PUJ

1 stop8h 06mAmerican Airlines

Tue 10/73:21 pmPUJ - STL

1 stop9h 33mAmerican Airlines

Deal found 8/16

$385

Tue 9/95:05 amORD - SDQ

1 stop9h 55mSpirit Airlines

Tue 9/161:20 pmSDQ - ORD

1 stop9h 38mSpirit Airlines

Deal found 8/17

$281

Wed 9/105:05 amORD - SDQ

1 stop9h 55mSpirit Airlines

Sat 9/132:12 pmSDQ - ORD

1 stop8h 46mSpirit Airlines

Deal found 8/17

$288

Mon 10/206:00 amMDW - PUJ

1 stop7h 31mDelta

Thu 10/232:49 pmPUJ - MDW

1 stop8h 25mDelta

Deal found 8/16

$343

Wed 9/176:15 amMDW - PUJ

1 stop6h 40mSouthwest

Wed 9/242:50 pmPUJ - MDW

1 stop7h 50mSouthwest

Deal found 8/17

$343

Sat 9/65:05 amORD - SDQ

1 stop8h 37mSpirit Airlines

Sat 9/132:12 pmSDQ - ORD

1 stop8h 46mSpirit Airlines

Deal found 8/17

$288

Mon 10/206:00 amMDW - PUJ

1 stop7h 31mDelta

Fri 10/242:49 pmPUJ - MDW

1 stop8h 25mDelta

Deal found 8/16

$343

Last-minute flights from Illinois to Dominican Republic
Discover last-minute flight deals from Illinois to Dominican Republic. Data last updated August 18, 2025 and is based on user searches.

Fri 8/225:05 amORD - SDQ

1 stop9h 55mSpirit Airlines

Tue 8/265:05 pmSDQ - ORD

1 stop7h 54mSpirit Airlines

Deal found 8/16

$402

Sat 8/235:05 amORD - PUJ

1 stop8h 55mSpirit Airlines

Sat 8/3012:31 pmPUJ - ORD

1 stop10h 51mSpirit Airlines

Deal found 8/15

$329

Sat 8/236:10 amMDW - PUJ

1 stop7h 09mFrontier

Sat 8/303:29 pmPUJ - MDW

1 stop8h 39mFrontier

Deal found 8/16

$384

Sat 8/233:02 pmSTL - PUJ

2 stops19h 43mMultiple Airlines

Sat 8/304:05 pmPUJ - STL

1 stop18h 35mMultiple Airlines

Deal found 8/16

$392

Sat 8/238:40 amORD - PUJ

Nonstop4h 50mAmerican Airlines

Sat 8/304:49 pmPUJ - ORD

1 stop17h 11mAmerican Airlines

Deal found 8/15

$418

Sun 8/248:35 amORD - PUJ

Nonstop4h 40mAmerican Airlines

Wed 8/273:30 pmPUJ - ORD

Nonstop5h 00mAmerican Airlines

Deal found 8/17

$388

Sun 8/248:34 pmORD - PUJ

1 stop16h 41mAmerican Airlines

Fri 8/293:30 pmPUJ - ORD

Nonstop5h 00mAmerican Airlines

Deal found 8/17

$393

Sun 8/245:05 amORD - PUJ

1 stop8h 55mSpirit Airlines

Wed 8/274:05 pmPUJ - ORD

1 stop8h 54mSpirit Airlines

Deal found 8/17

$401

Sun 8/245:45 amMDW - PUJ

1 stop7h 10mSouthwest

Wed 8/272:50 pmPUJ - MDW

1 stop7h 50mSouthwest

Deal found 8/16

$403

Sun 8/246:56 amORD - PUJ

2 stops9h 48mMultiple Airlines

Thu 8/2812:40 pmPUJ - ORD

1 stop31h 01mMultiple Airlines

Deal found 8/16

$424

Wed 8/275:05 amORD - PUJ

1 stop8h 55mSpirit Airlines

Sat 8/3012:31 pmPUJ - ORD

2 stops12h 28mSpirit Airlines

Deal found 8/15

$382

Wed 8/276:00 amORD - PUJ

1 stop8h 15mAmerican Airlines

Sat 8/304:49 pmPUJ - ORD

1 stop15h 36mAmerican Airlines

Deal found 8/15

$398

One-way flights from Illinois to Dominican Republic
Search for one-way flight options from Illinois to Dominican Republic. Find affordable one-way fares based on user searches. Data last updated August 18, 2025.

Tue 9/165:05 amORD - PUJ

1 stop8h 09mSpirit Airlines

Deal found 8/17

$102

Tue 9/95:05 amORD - PUJ

1 stop8h 09mSpirit Airlines

Deal found 8/15

$110

Sat 9/2011:57 amORD - PUJ

2 stops22h 48mSpirit Airlines

Deal found 8/16

$111

Tue 9/235:05 amORD - PUJ

1 stop8h 09mSpirit Airlines

Deal found 8/14

$112

Mon 9/225:05 amORD - PUJ

1 stop8h 09mSpirit Airlines

Deal found 8/14

$114

Sat 9/611:57 amORD - PUJ

2 stops22h 48mSpirit Airlines

Deal found 8/15

$121

Mon 9/85:05 amORD - SDQ

1 stop9h 55mSpirit Airlines

Deal found 8/17

$123

Sat 10/255:05 amORD - PUJ

1 stop8h 44mSpirit Airlines

Deal found 8/15

$129

Fri 9/195:17 pmORD - PUJ

1 stop17h 24mSpirit Airlines

Deal found 8/14

$133

Wed 9/175:05 amORD - PUJ

1 stop8h 09mSpirit Airlines

Deal found 8/15

$134

Sat 9/136:44 pmORD - SDQ

1 stop20h 16mSpirit Airlines

Deal found 8/17

$140

Tue 9/95:05 amORD - STI

1 stop28h 58mSpirit Airlines

Deal found 8/17

$145

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSanto Domingo

ORD - SDQ

ORDSDQ

Chicago O'Hare Intl

Sat 9/13

5:05 am-2:42 pm

1 stop8h 37m

Santo Domingo Las Americas

Sat 9/20

3:47 pm-10:48 pm

1 stop8h 01m

$266

ChicagoSanto Domingo

ORD - SDQ

ORDSDQ

Chicago O'Hare Intl

Tue 9/9

5:05 am-4:00 pm

1 stop9h 55m

Santo Domingo Las Americas

Tue 9/16

1:20 pm-9:58 pm

1 stop9h 38m

$281

ChicagoSanto Domingo

ORD - SDQ

ORDSDQ

Chicago O'Hare Intl

Wed 9/10

5:05 am-4:00 pm

1 stop9h 55m

Santo Domingo Las Americas

Sat 9/13

2:12 pm-9:58 pm

1 stop8h 46m

$288

ChicagoSanto Domingo

ORD - SDQ

ORDSDQ

Chicago O'Hare Intl

Sat 9/6

5:05 am-2:42 pm

1 stop8h 37m

Santo Domingo Las Americas

Sat 9/13

2:12 pm-9:58 pm

1 stop8h 46m

$288

ChicagoSanto Domingo

ORD - SDQ

ORDSDQ

Chicago O'Hare Intl

Sat 10/18

5:05 am-2:42 pm

1 stop8h 37m

Santo Domingo Las Americas

Sat 10/25

3:47 pm-11:45 pm

1 stop8h 58m

$291

ChicagoSanto Domingo

ORD - SDQ

ORDSDQ

Chicago O'Hare Intl

Tue 10/14

5:05 am-2:48 pm

1 stop8h 43m

Santo Domingo Las Americas

Wed 10/29

3:54 pm-1:03 am

1 stop10h 09m

$293

ChicagoSanto Domingo

ORD - SDQ

ORDSDQ

Chicago O'Hare Intl

Tue 9/30

5:05 am-4:00 pm

1 stop9h 55m

Santo Domingo Las Americas

Tue 10/7

3:54 pm-11:45 pm

1 stop8h 51m

$294

ChicagoSanto Domingo

ORD - SDQ

ORDSDQ

Chicago O'Hare Intl

Tue 9/16

5:05 am-4:00 pm

1 stop9h 55m

Santo Domingo Las Americas

Fri 9/26

5:05 pm-10:52 am

1 stop18h 47m

$295

ChicagoSanto Domingo

ORD - SDQ

ORDSDQ

Chicago O'Hare Intl

Mon 9/8

5:05 am-4:00 pm

1 stop9h 55m

Santo Domingo Las Americas

Mon 9/15

5:05 pm-10:52 am

1 stop18h 47m

$296

ChicagoPunta Cana

MDW - PUJ

MDWPUJ

Chicago Midway

Mon 10/27

6:00 am-2:31 pm

1 stop7h 31m

Punta Cana

Fri 10/31

2:49 pm-10:14 pm

1 stop8h 25m

$343

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 60 results

...

Best time to book a flight from Illinois to Dominican Republic

Have a flexible travel schedule? Discover the best time to fly to Dominican Republic from Illinois 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 Illinois to the Dominican Republic

What is the cheapest month to book a flight from Illinois to Dominican Republic?

Currently, January is the cheapest month in which you can book a flight from Illinois to Dominican Republic (average of $443). Flying from Illinois to Dominican Republic in June is currently the most expensive (average of $593). 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 IL to DO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Dominican Republic as you normally would.

Weekly flight availability from Illinois to Dominican Republic

The most flights from USIL to DO0 are scheduled on a Monday (3 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

Related info for your journey

What are the cheapest airlines to fly from Illinois to Dominican Republic one-way?
To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $102. Delta flights start at $160 while deals on American Airlines start at $249 one-way.
Can I find deals for flights from Illinois to Dominican Republic that include hotel bookings?
Yes. In addition to deals on Illinois to Dominican Republic flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Illinois to Dominican Republic?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Dominican Republic.
Can I find deals for business class flights from Illinois to Dominican Republic?
Yes. Cheapflights offers flight deals from Illinois to Dominican Republic 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 Illinois to Dominican Republic?
Currently, January is the cheapest month in which you can book a flight from Illinois to Dominican Republic (average of $443). Flying from Illinois to Dominican Republic in June is currently the most expensive (average of $593). 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

Top 9 airlines flying from Illinois to Dominican Republic

Airline	Cheapest	Average	Flexibility	On-time
Copa Airlines	Cheapest$193	Average$476	FlexibilityNo cancel fee	On-time70%
Frontier	Cheapest$223	Average$434	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$226	Average$717	FlexibilityNo cancel fee	On-time69%
Arajet	Cheapest$234	Average$307	FlexibilityNo cancel fee	On-timeN/A
Spirit Airlines	Cheapest$270	Average$378	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$274	Average$638	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$334	Average$593	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$335	Average$861	FlexibilityNo cancel fee	On-time67%
JetBlue	Cheapest$391	Average$498	FlexibilityNo cancel fee	On-time62%

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$102+ Cheap flights from Illinois to the Dominican Republic

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Illinois to Dominican Republic with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Illinois to Dominican Republic

Keep the following information in mind while searching for Illinois to Dominican Republic flight deals. Data was last updated August 18, 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 Illinois to Dominican Republic

Cheapest flights from Illinois to Dominican RepublicExplore the most affordable flight options available from Illinois to Dominican Republic. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Explore the most affordable flight options available from Illinois to Dominican Republic. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Illinois to Dominican Republic

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

Cheapflights Insights

Everything you need to know about your flight from Illinois to the Dominican Republic

What is the cheapest month to book a flight from Illinois to Dominican Republic?

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

Find hourly flight availability from Illinois to Dominican Republic. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

Weekly flight availability from Illinois to Dominican Republic

Related info for your journey

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

What are the cheapest airlines to fly from Illinois to Dominican Republic one-way?

Can I find deals for flights from Illinois to Dominican Republic that include hotel bookings?

How can I find direct flights from Illinois to Dominican Republic?

Can I find deals for business class flights from Illinois to Dominican Republic?

What is the cheapest month to book a flight from Illinois to Dominican Republic?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Illinois to Dominican Republic

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

Top 9 airlines flying from Illinois to Dominican Republic

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Cheapest flights from Illinois to Dominican Republic
Explore the most affordable flight options available from Illinois to Dominican Republic. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.