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Cheap Flights to Illinois
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1 Passenger
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Adults 18+
Children 2-11
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Average price per month
- Low Season: November
- High Season: June
- Prices for this route are volatile and fluctuate from month to month.
- The cheapest flights are usually bought in November, July and February.
- High season months are May, April and June. However, it's not the rule and you should always search current flight deals.
Price increase as travel date approaches
- Flight prices for this route increase by 49% if you book last minute. Hover on the graph above to see for yourself!.
- To grab the lowest price possible, you should buy your flight around 34 days before departure!
- Consider booking at least 18 days before departure to increase your chances of getting a low price.
- Generally, it's safe to book between 90 and 60 days in advance.
Dulles to Illinois Flight Information
| Flights Depart From | Dulles (BWI) |
| Flights Arriving To | Illinois (ORD) |
| Distance | 997.99 km |
| Current Price | $81.97 |
| Good Deal | $81.97 |
| Cheapest Airlines | Frontier Airlines, United Airlines |
| Popular Airlines | Delta Air Lines, American Airlines, United Airlines, Frontier Airlines |
| Flight Duration | 01 hours 57 minutes |
| Flights Depart From |
| Dulles (BWI) |
| Flights Arrive In |
| Illinois (ORD) |
| Distance |
| 997.99 km |
| Flight Duration |
| 01 hours 57 minutes |
| Current Price |
| $81.97 |
| Good Deal |
| $81.97 |
| Cheapest Airlines |
| Frontier Airlines, United Airlines |
| Popular Airlines |
| Delta Air Lines, American Airlines, United Airlines, Frontier Airlines |
Most Reliable Airlines flying to Illinois
- According to our data, Delta Air Lines, American Airlines and United Airlines have the highest overall rating.
- The following airlines have the highest chance of on time arrivals: Delta Air Lines, American Airlines and United Airlines.
- If customer service is important for you then you should consider flying with Delta Air Lines, American Airlines and United Airlines.
| Airline | Overall Rating | On time arrival | Check-in & Boarding | Cleanliness | Customer Service | Food & Beverage | Entertainment | Legroom | Seat Comfort |
|---|---|---|---|---|---|---|---|---|---|
Delta Air Lines |
3.8 | 4.5 | 4.0 | 4.0 | 4.0 | 3.5 | 4.0 | 3.5 | 3.5 |
American Airlines |
3.3 | 4.0 | 3.5 | 3.5 | 3.5 | 3.0 | 3.0 | 3.5 | 3.0 |
United Airlines |
3.3 | 4.0 | 3.5 | 3.5 | 3.5 | 3.0 | 3.0 | 3.0 | 3.0 |
Frontier Airlines |
2.8 | 3.5 | 3.5 | 3.5 | 3.0 | 2.0 | 1.5 | 2.5 | 2.5 |
Overall Rating
4.0
On time arrival
4.5
Check-in & Boarding
4.0
Cleanliness
4.0
Customer Service
4.0
Food & Beverage
3.5
Entertainment
4.0
Legroom
3.5
Seat Comfort
3.5
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
3.5
Cleanliness
3.5
Customer Service
3.5
Food & Beverage
3.0
Entertainment
3.0
Legroom
3.5
Seat Comfort
3.0
Overall Rating
3.5
On time arrival
4.0
Check-in & Boarding
3.5
Cleanliness
3.5
Customer Service
3.5
Food & Beverage
3.0
Entertainment
3.0
Legroom
3.0
Seat Comfort
3.0
Overall Rating
3.0
On time arrival
3.5
Check-in & Boarding
3.5
Cleanliness
3.5
Customer Service
3.0
Food & Beverage
2.0
Entertainment
1.5
Legroom
2.5
Seat Comfort
2.5
Good to know:
Enter your preferred departure airport and travel dates into the search form above to unlock the latest Illinois flight deals.
Track the flight prices from Dulles to Illinois by subscribing to Fare Alerts to never miss the best deals possible.
Did you know that you could find even better deals when you use our Mobile App?. Awesome Deals
notifications_active In the past few days the following airlines offered the lowest prices from Dulles to Illinois: Frontier Airlines and United Airlines..
Frontier AirlinesTue, 19 Nov BWI ORD
Wed, 11 Dec ORD BWI Trip duration: 22 days$81.97
Frontier AirlinesTue, 19 Nov BWI ORD
Wed, 11 Dec ORD BWI Trip duration: 22 days$82.97
Frontier AirlinesTue, 19 Nov BWI ORD
Wed, 11 Dec ORD BWI Trip duration: 22 days$92.97
Frontier AirlinesTue, 26 Nov DCA ORD
Sat, 30 Nov ORD DCA Trip duration: 4 days$112.97
Frontier AirlinesFri, 01 Nov IAD ORD
Sun, 03 Nov ORD IAD Trip duration: 2 days$116.97
Frontier AirlinesSat, 19 Oct DCA ORD
Mon, 21 Oct ORD DCA Trip duration: 2 days$154.97
Frontier AirlinesFri, 04 Oct IAD ORD
Mon, 07 Oct ORD IAD Trip duration: 3 days$171.97
United AirlinesWed, 27 Nov BWI ORD
Sat, 30 Nov ORD BWI Trip duration: 3 days$192.96
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Frequently Asked Questions
- How long is a direct flight from Dulles to Illinois?A direct flight from Dulles to Illinois takes roughly 01 hours 57 minutes.
- How many direct flights are there between Dulles to Illinois daily?On average, there are 62 direct flights from Dulles to Illinois each day.
- Which airlines offer cheap airfare from Dulles to Illinois?That may change at any time. But in the past 14 days, the cheapest tickets we've found were with Frontier Airlines and United Airlines.
- Do I need my passport to fly from Dulles to Illinois?Nope, not this time.
- Which airlines fly from Dulles to Illinois most often?Delta Air Lines, American Airlines, United Airlines and Frontier Airlines are the top.
- What's the cheapest day to fly from Dulles to Illinois?That depends. Recently, the cheapest day to fly from Dulles to Illinois has been Wednesday. And the cheapest return flight from Tuesday has been. That said, the cheapest departure days are constantly changing.
- Which airport will I be flying from in Dulles?When departing from Dulles you'll be flying out of Washington Dulles International.
- Which airport will I be flying from in Illinois?When departing from Illinois you'll be flying out of Chicago O'hare International.
- How is Justfly.com so good at finding cheap flights?We've taken an oath of secrecy and vowed never to say. Just kidding. Our team and technology allows us to browse through hundreds of airlines and hundreds of thousands of flights to find the lowest prices. Then we pass the savings on to you.
- Can Justfly.com help me save money in any other way?We're glad you asked. We help you save money with our Fare Alerts, Price Trend charts and multi-ticket bookings. We also help you save on hotels and car rentals.
- How many airlines does Justfly.com search to find affordable flights?We typically search over 400 airlines.
- Can Justfly.com's Price Trend tool really tell me the best time to buy tickets?Absolutely! That's why we've made it accessible to you.
- Will the price of my flight change?Flight prices and availability change often. To counter this, we update the important data as often as possible every step of the way.
- How will I receive my booking confirmation and travel information?We'll send you an email with the important details!
- Can you cancel or change Justfly.com flights?You sure can. But give us a call first. We'll do our best to find a solution. However, in some cases, if we cancel your booking, we'll have to charge an administrative fee of $75 (domestic), $125 (trans-border between Canada and USA) and $200 (international).
- Are Justfly.com's tickets refundable?All bookings are currently non-refundable.
- How do I contact Justfly.com?To find answers to all of your questions, click here to visit our support page.