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Cheap flights from Dulles Intl (IAD) to Illinois from $78

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 5/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
IAD — ORD
Mai 15 — Mai 221
From?
To?
Mi 5/15
Mi 5/22
1 adult, Economy
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How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Illinois?

Find a great deal and save up to 108% by booking at least 61 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 Washington, D.C. Dulles Intl Airport to Illinois within the next two weeks, with the cheapest ticket starting at $419.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Illinois?

The best pricing can be found in the month of April. Prices to Illinois from Washington, D.C. Dulles Intl Airport average $285. You can even find prices in April for less than $285, as users have found deals to Illinois from as low as $79. The month of June appears to be one of the more expensive times to travel to Illinois from Washington, D.C. Dulles Intl Airport. Flying in the targeted month can save you up to 15%.

When is the cheapest time to fly from Washington, D.C. Dulles Intl Airport to Illinois (IAD - IL)?

When flying from Washington, D.C. Dulles Intl Airport 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.

Cheap Sun Country Air flights from Dulles Intl to Illinois

Explore cheap flight options specifically provided by Sun Country Air for the route between Dulles Intl and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated Mai 10, 2024.
Peruse some of the lowest-priced Sun Country Air flights we've found from Washington, D.C. to Illinois. Be sure to come back soon if the deals available don't appeal to you at this time.
Do 5/308:30 amIAD - ORD
1 stop12h 33mSun Country Air
Mo 6/36:15 pmORD - IAD
1 stop15h 53mSun Country Air
Deal found 5/9$162
Do 5/308:30 amIAD - ORD
1 stop12h 33mSun Country Air
Mo 6/36:15 pmORD - IAD
1 stop15h 53mSun Country Air
Deal found 5/10$165
Mi 6/511:20 amIAD - ORD
1 stop8h 43mSun Country Air
Mo 6/108:05 pmORD - IAD
1 stop13h 32mSun Country Air
Deal found 5/8$175
Mo 6/1010:50 amIAD - ORD
1 stop9h 16mSun Country Air
Fr 6/148:05 pmORD - IAD
1 stop15h 52mSun Country Air
Deal found 5/8$178
Mi 6/1211:16 amIAD - ORD
1 stop8h 50mSun Country Air
Mo 6/178:05 pmORD - IAD
1 stop13h 52mSun Country Air
Deal found 5/8$182
So 6/168:00 amIAD - ORD
1 stop13h 10mSun Country Air
Mo 6/178:05 pmORD - IAD
1 stop13h 52mSun Country Air
Deal found 5/10$185
Do 5/306:30 amIAD - ORD
Nonstop2h 10mSun Country Air
Mo 6/36:15 pmORD - IAD
1 stop15h 53mSun Country Air
Deal found 5/10$201
Mi 7/311:25 amIAD - ORD
1 stop10h 41mSun Country Air
Mo 7/88:05 pmORD - IAD
1 stop13h 52mSun Country Air
Deal found 5/9$205
Mo 7/812:33 pmIAD - ORD
1 stop7h 37mSun Country Air
So 7/148:05 pmORD - IAD
1 stop13h 25mSun Country Air
Deal found 5/9$210

Cheap United Airlines flights from Dulles Intl to Illinois

Explore cheap flight options specifically provided by United Airlines for the route between Dulles Intl and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated Mai 10, 2024.
Have a look at some of the cheapest available United Airlines flights departing from Washington, D.C. and landing in Illinois. Check back soon if you're not seeing flights that suit your needs.
Di 6/41:05 pmIAD - ORD
Nonstop2h 10mUnited Airlines
Di 6/49:45 pmORD - IAD
Nonstop2h 02mUnited Airlines
Deal found 5/9$169
Sa 8/106:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Mi 8/148:53 amORD - IAD
Nonstop1h 59mUnited Airlines
Deal found 5/9$179
Mo 6/36:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Mi 6/59:45 pmORD - IAD
Nonstop2h 02mUnited Airlines
Deal found 5/9$184
So 5/268:20 amIAD - STL
Nonstop2h 12mUnited Airlines
Do 5/308:25 amSTL - IAD
Nonstop2h 10mUnited Airlines
Deal found 5/9$186
Mo 6/246:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Di 6/258:47 amORD - IAD
Nonstop1h 59mUnited Airlines
Deal found 5/9$189
So 5/266:14 amIAD - STL
1 stop5h 43mUnited Airlines
Do 5/308:25 amSTL - IAD
Nonstop2h 10mUnited Airlines
Deal found 5/9$195
Sa 8/176:30 amIAD - MLI
1 stop4h 51mUnited Airlines
Di 8/203:45 pmMLI - IAD
1 stop4h 11mUnited Airlines
Deal found 5/9$198
Do 8/86:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Mo 8/129:28 pmORD - IAD
Nonstop2h 02mUnited Airlines
Deal found 5/8$199
So 8/1110:10 pmIAD - ORD
Nonstop2h 05mUnited Airlines
Fr 8/238:50 amORD - IAD
Nonstop2h 00mUnited Airlines
Deal found 5/9$204

Cheap Dulles Intl to Illinois flights in May & June 2024

Find cheap flight options from Dulles Intl to Illinois specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,717,708 searches. Prices were last updated on Mai 10, 2024.
Listed are some of the best fares we've found on flights departing from Washington, D.C. to Illinois in 2024. Check back regularly for other flight deals.
Do 5/308:30 amIAD - ORD
1 stop12h 33mSun Country Air
Mo 6/36:15 pmORD - IAD
1 stop15h 53mSun Country Air
Deal found 5/9$162
Do 5/308:30 amIAD - ORD
1 stop12h 33mSun Country Air
Mo 6/36:15 pmORD - IAD
1 stop15h 53mSun Country Air
Deal found 5/10$165
Di 6/41:05 pmIAD - ORD
Nonstop2h 10mUnited Airlines
Di 6/49:45 pmORD - IAD
Nonstop2h 02mUnited Airlines
Deal found 5/9$169
Mi 6/511:20 amIAD - ORD
1 stop8h 43mSun Country Air
Mo 6/108:05 pmORD - IAD
1 stop13h 32mSun Country Air
Deal found 5/8$175
Mo 6/1010:50 amIAD - ORD
1 stop9h 16mSun Country Air
Fr 6/148:05 pmORD - IAD
1 stop15h 52mSun Country Air
Deal found 5/8$178
Mi 6/266:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Sa 8/39:28 pmORD - IAD
Nonstop2h 02mUnited Airlines
Deal found 5/9$179
Mi 6/1211:16 amIAD - ORD
1 stop8h 50mSun Country Air
Mo 6/178:05 pmORD - IAD
1 stop13h 52mSun Country Air
Deal found 5/8$182
Mo 6/36:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Mi 6/59:45 pmORD - IAD
Nonstop2h 02mUnited Airlines
Deal found 5/9$184
So 6/168:00 amIAD - ORD
1 stop13h 10mSun Country Air
Mo 6/178:05 pmORD - IAD
1 stop13h 52mSun Country Air
Deal found 5/10$185

Dulles Intl to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Dulles Intl and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated Mai 10, 2024.
Listed are some of the best fares we've found on flights departing from Washington, D.C. to Illinois in 2024. Check back regularly for other flight deals.
Do 5/308:30 amIAD - ORD
1 stop12h 33mSun Country Air
Mo 6/36:15 pmORD - IAD
1 stop15h 53mSun Country Air
Deal found 5/9$162
Do 5/308:30 amIAD - ORD
1 stop12h 33mSun Country Air
Mo 6/36:15 pmORD - IAD
1 stop15h 53mSun Country Air
Deal found 5/10$165
Di 6/41:05 pmIAD - ORD
Nonstop2h 10mUnited Airlines
Di 6/49:45 pmORD - IAD
Nonstop2h 02mUnited Airlines
Deal found 5/9$169
Mi 6/511:20 amIAD - ORD
1 stop8h 43mSun Country Air
Mo 6/108:05 pmORD - IAD
1 stop13h 32mSun Country Air
Deal found 5/8$175
Mo 6/1010:50 amIAD - ORD
1 stop9h 16mSun Country Air
Fr 6/148:05 pmORD - IAD
1 stop15h 52mSun Country Air
Deal found 5/8$178
Sa 8/106:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Mi 8/148:53 amORD - IAD
Nonstop1h 59mUnited Airlines
Deal found 5/9$179
Mi 6/1211:16 amIAD - ORD
1 stop8h 50mSun Country Air
Mo 6/178:05 pmORD - IAD
1 stop13h 52mSun Country Air
Deal found 5/8$182
Mo 6/36:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Mi 6/59:45 pmORD - IAD
Nonstop2h 02mUnited Airlines
Deal found 5/9$184
So 6/168:00 amIAD - ORD
1 stop13h 10mSun Country Air
Mo 6/178:05 pmORD - IAD
1 stop13h 52mSun Country Air
Deal found 5/10$185

Non-stop flights to Illinois from Dulles Intl

Discover non-stop flight options from Dulles Intl to Illinois. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated Mai 10, 2024.
To help reduce your travel time, choose from one of these non-stop flights from Washington, D.C. to Illinois. If you're looking for other options for flights from Washington, D.C. to Illinois, make sure to update the search form at the top of page.
Di 6/41:05 pmIAD - ORD
Nonstop2h 10mUnited Airlines
Di 6/49:45 pmORD - IAD
Nonstop2h 02mUnited Airlines
Deal found 5/9$169
Sa 8/106:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Mi 8/148:53 amORD - IAD
Nonstop1h 59mUnited Airlines
Deal found 5/9$179
Mo 6/36:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Mi 6/59:45 pmORD - IAD
Nonstop2h 02mUnited Airlines
Deal found 5/9$184
So 5/268:20 amIAD - STL
Nonstop2h 12mUnited Airlines
Do 5/308:25 amSTL - IAD
Nonstop2h 10mUnited Airlines
Deal found 5/9$186
Do 5/306:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Mo 6/39:45 pmORD - IAD
Nonstop2h 02mUnited Airlines
Deal found 5/9$188
Mo 6/246:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Di 6/258:47 amORD - IAD
Nonstop1h 59mUnited Airlines
Deal found 5/9$189
Do 8/86:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Mo 8/129:28 pmORD - IAD
Nonstop2h 02mUnited Airlines
Deal found 5/8$199
So 8/1110:10 pmIAD - ORD
Nonstop2h 05mUnited Airlines
Fr 8/238:50 amORD - IAD
Nonstop2h 00mUnited Airlines
Deal found 5/9$204
Di 8/68:15 amIAD - ORD
Nonstop2h 10mUnited Airlines
So 8/117:00 amORD - IAD
Nonstop1h 55mUnited Airlines
Deal found 5/9$207

Dulles Intl to Illinois flights leaving soon

Find last-minute flight options from Dulles Intl to Illinois for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated Mai 10, 2024.
Book one of these great deals on flights from Washington, D.C. to Illinois. To prevent any unwanted surprises, users should verify their flight info before booking.
Mi 5/156:45 amIAD - ORD
Nonstop2h 09mUnited Airlines
Mi 5/228:48 amORD - IAD
Nonstop1h 58mUnited Airlines
Deal found 5/8$239
Sa 5/185:35 pmIAD - MLI
1 stop4h 42mUnited Airlines
Mi 5/225:45 pmMLI - IAD
1 stop5h 27mUnited Airlines
Deal found 5/9$282
Mi 5/156:45 amIAD - PIA
1 stop4h 41mUnited Airlines
Sa 5/183:45 pmPIA - IAD
1 stop4h 16mUnited Airlines
Deal found 5/8$282
Mi 5/155:02 amIAD - ORD
1 stop4h 54mAmerican Airlines
Mi 5/226:30 amORD - IAD
1 stop7h 27mAmerican Airlines
Deal found 5/8$283
Mo 5/208:25 amIAD - ORD
3 stops34h 15mMultiple Airlines
Mi 5/227:13 pmORD - IAD
3 stops19h 11mMultiple Airlines
Deal found 5/9$294
Fr 5/171:00 pmIAD - ORD
3 stops30h 17mMultiple Airlines
Mi 5/229:15 pmORD - IAD
2 stops17h 09mMultiple Airlines
Deal found 5/9$296
Mi 5/158:20 amIAD - ORD
1 stop5h 19mUnited Airlines
Mi 5/228:48 amORD - IAD
Nonstop1h 58mUnited Airlines
Deal found 5/8$318
Fr 5/178:25 amIAD - STL
3 stops27h 03mMultiple Airlines
So 6/26:19 pmSTL - IAD
3 stops39h 49mMultiple Airlines
Deal found 5/9$338
Mo 5/207:54 pmIAD - ORD
1 stop5h 01mDelta
Do 5/305:57 pmORD - IAD
1 stop4h 58mDelta
Deal found 5/9$343

One-way flights to Illinois from Dulles Intl

Search for one-way flight options from Dulles Intl to Illinois. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated Mai 10, 2024.
Users in need of a one-way flight from Washington, D.C. to Illinois can choose from these deals. Users in need of a round-trip flight from Washington, D.C. to Illinois instead should update the search form at the top of page.
Do 5/308:30 amIAD - ORD
1 stop12h 33mSun Country Air
Deal found 5/9$78
Di 6/116:30 amIAD - ORD
Nonstop2h 10mUnited Airlines
Deal found 5/9$85
Mi 6/511:20 amIAD - ORD
1 stop8h 43mSun Country Air
Deal found 5/9$86
Mi 6/511:20 amIAD - ORD
1 stop8h 43mSun Country Air
Deal found 5/9$88
So 5/2612:30 pmIAD - ORD
1 stop7h 33mSun Country Air
Deal found 5/10$92
Mi 6/56:00 amIAD - STL
1 stop4h 19mDelta
Deal found 5/9$94
So 5/266:18 amIAD - ORD
1 stop6h 07mDelta
Deal found 5/9$94
Mi 6/56:00 amIAD - MDW
1 stop4h 06mDelta
Deal found 5/9$94
Sa 8/1010:10 pmIAD - ORD
Nonstop2h 05mUnited Airlines
Deal found 5/9$95

Find flights from Dulles Intl to Illinois within your budget

Customize your flight search to find flights from Dulles Intl 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 2,717,708 searches. Data last updated Mai 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$162 - $324

Route

Depart

Return

Price

Washington, D.C. Dulles IntlChicago O'Hare Intl

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

Do 5/30

1 stop12h 33m

Chicago O'Hare Intl

Mo 6/3

1 stop15h 53m

$162

Washington, D.C. Dulles IntlChicago O'Hare Intl

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

Do 5/30

1 stop12h 33m

Chicago O'Hare Intl

Mo 6/3

1 stop15h 53m

$165

Washington, D.C. Dulles IntlChicago O'Hare Intl

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

Di 6/4

Nonstop2h 10m

Chicago O'Hare Intl

Di 6/4

Nonstop2h 02m

$169

Washington, D.C. Dulles IntlChicago O'Hare Intl

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

Sa 8/10

Nonstop2h 10m

Chicago O'Hare Intl

Mi 8/14

Nonstop1h 59m

$179

Washington, D.C. Dulles IntlChicago O'Hare Intl

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

So 5/26

1 stop3h 59m

Chicago O'Hare Intl

Do 5/30

1 stop7h 23m

$188

Washington, D.C. Dulles IntlChicago Midway

IAD - MDW

IADMDW

Washington, D.C. Dulles Intl

Mi 6/5

1 stop4h 06m

Chicago Midway

Mi 6/12

1 stop4h 13m

$188

Washington, D.C. Dulles IntlChicago O'Hare Intl

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

So 5/26

1 stop7h 33m

Chicago O'Hare Intl

Mi 5/29

2 stops24h 26m

$208

Washington, D.C. Dulles IntlChicago O'Hare Intl

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

Di 6/18

1 stop10h 40m

Chicago O'Hare Intl

Di 6/18

1 stop4h 34m

$275

Washington, D.C. Dulles IntlChicago O'Hare Intl

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

Sa 5/25

2 stops17h 56m

Chicago O'Hare Intl

So 5/26

Nonstop2h 02m

$324

Flights are sorted by cheapest first

Deals found on 5/9

No data available for this route at this time. Please check back soon.

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 Mai 10, 2024.
Peruse reviews from past customers who have flown with Sun Country Air, United Airlines and Delta from Washington, D.C. to Illinois to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,069 reviews
Check prices

Boarding

8.3

Entertainment

7.8

Crew

8.7

Overall

8.2

Food

7.3

Comfort

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.2
Very good
6,069 reviews
Southwest
8.2
Very good
6,069 reviews
Check prices

Boarding

8.3

Entertainment

7.8

Crew

8.7

Overall

8.2

Food

7.3

Comfort

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.1
Very good
10,768 reviews
Southwest
8.2
Very good
6,069 reviews
Check prices

Boarding

8.3

Entertainment

7.8

Crew

8.7

Overall

8.2

Food

7.3

Comfort

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Qatar Airways
7.7
Good
4,417 reviews
Southwest
8.2
Very good
6,069 reviews
Check prices

Boarding

8.3

Entertainment

7.8

Crew

8.7

Overall

8.2

Food

7.3

Comfort

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Porter Airlines
7.4
Good
424 reviews
Southwest
8.2
Very good
6,069 reviews
Check prices

Boarding

8.3

Entertainment

7.8

Crew

8.7

Overall

8.2

Food

7.3

Comfort

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
11,016 reviews
Southwest
8.2
Very good
6,069 reviews
Check prices

Boarding

8.3

Entertainment

7.8

Crew

8.7

Overall

8.2

Food

7.3

Comfort

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

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

  • Can I find flights from Washington, D.C. Dulles Intl Airport to Illinois for under $200 on Cheapflights?

    Yes, there are multiple flights from Washington, D.C. Dulles Intl Airport to Illinois for under $200. The cheapest flight booked recently is on Sun Country Air for just $162, but on average you can expect to pay $186.

  • Are there nonstop flights from Washington, D.C. Dulles Intl Airport to Illinois for under $200 on Cheapflights?

    Cheapflights has at least 20 direct flights from Washington, D.C. Dulles Intl Airport to Illinois under $200. A good price for a nonstop flight from Washington, D.C. Dulles Intl Airport to Illinois is less than $208.

  • Are there last-minute flights available from Washington, D.C. Dulles Intl Airport to Illinois for under $300?

    There are currently 20+ open flights from Washington, D.C. Dulles Intl Airport to Illinois within the next 7 days for less than $300.

  • What days are nonstop flights available from Washington, D.C. Dulles Intl Airport to Illinois?

    You can find nonstop flights on the following days: Sunday, Monday, Tuesday.

  • How many flights depart from Washington, D.C. Dulles Intl Airport to Illinois on average per day?

    Travelers can expect 2 flights from Washington, D.C. Dulles Intl Airport to Illinois on average per day.
    Morning (6am - Noon) - 100% of flight departures

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Illinois?

    For as low as $162, Sun Country Air can have you in Illinois from Washington, D.C. Dulles Intl Airport in 2h 10m. Washington, D.C. Dulles Intl Airport and Illinois are separated by a distance of 590 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Illinois one-way?

    For one-way options, check prices for Sun Country Air. According to our data, you can fly for as low as $78. Users have also found prices from $85 and $94 on United Airlines and Delta, respectively.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Illinois?

    The most popular route from Washington, D.C. Dulles Intl Airport to Illinois is Washington, D.C. Dulles Intl - Chicago O'Hare Intl. You may also consider Washington, D.C. Dulles Intl - Chicago Midway or Washington, D.C. Dulles Intl - Lambert-St Louis.

  • What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Illinois?

    Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Washington, D.C. Dulles Intl Airport to Illinois.

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Illinois?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Illinois on time: Ethiopian Air (98%), Egypt Air (96%), Scandinavian Airlines (95%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Illinois?

    Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Illinois? While on average our users pay $1,284, our data indicates the cheapest price to be $104. The most popular route (Washington, D.C. Dulles Intl - Chicago O'Hare Intl), is priced around $162.

  • What does IAD to ORD mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Washington, D.C. Dulles Intl Airport to Chicago O'Hare Intl Airport flight would often be abbreviated as a IAD to ORD flight. Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Dulles Intl to Illinois that include extra baggage allowance?

    The amount of baggage you can bring on your Dulles Intl to Illinois flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Dulles Intl to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Dulles Intl to Illinois flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Dulles Intl to Illinois that include hotel bookings?

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

  • How can I find direct flights from Dulles Intl to Illinois?

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

  • Can I find deals for business class flights from Dulles Intl to Illinois?

    Yes. Cheapflights offers flight deals from Dulles Intl 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.

  • Can I find deals for flights from Dulles Intl to Illinois that allow pets onboard?

    Many airlines flying from Dulles Intl to Illinois offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Dulles Intl to Illinois?

    Yes, you can often find last-minute deals on Dulles Intl to Illinois flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Washington, D.C. Dulles Intl Airport to Illinois flight deals updated?

    The Washington, D.C. Dulles Intl Airport to Illinois flight deals you see on this page were last updated on 5/10.

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Alternative routes for Dulles Intl to Illinois
See prices for flight routes from nearby airports that may be better suited for you.

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Top 3 airlines flying from Dulles Intl to Illinois

Discover the top 3 airlines that operate flights from Dulles Intl to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated Mai 10, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$175Average$460FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$178Average$482FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$222Average$418FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Chicago O'Hare Intl Airport to Phoenix flights
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Washington, D.C. Dulles Intl Airport to Indiana flights

Search flights from Dulles Intl to Illinois by cabin class

Find flights from Dulles Intl to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Dulles Intl to Illinois

Find hourly flight availability from Dulles Intl 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 Mai 10, 2024.
13%of flight departuresEarly morningMidnight to 6 am
41%of flight departuresMorning6 am to noon
31%of flight departuresAfternoonNoon to 6 pm
15%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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