
Business Class Flight Deals from Seattle to Illinois from $682
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Top Deals on Business Class Flights from Seattle to Chicago
Seattle, US (SEA) - Chicago, US (CHI)

May 24
May 25

May 31
Jun 1
as low as
$682
Seattle, US (SEA) - Chicago, US (CHI)

May 24
May 24

May 31
Jun 1
as low as
$682
Seattle, US (SEA) - Chicago, US (CHI)

May 24
May 25

May 31
Jun 1
as low as
$728
Seattle, US (SEA) - Chicago, US (CHI)

May 24
May 24

May 31
Jun 1
as low as
$739
Seattle, US (SEA) - Chicago, US (CHI)

May 24
May 25

May 31
May 31
as low as
$866
Seattle, US (SEA) - Chicago, US (CHI)

May 24
May 25

May 31
May 31
as low as
$866
Seattle, US (SEA) - Chicago, US (CHI)

May 24
May 24

May 31
May 31
as low as
$946
Seattle, US (SEA) - Chicago, US (CHI)

May 24
May 24

May 31
May 31
as low as
$946
Seattle, US (SEA) - Chicago, US (CHI)

May 24
May 24

May 31
May 31
as low as
$946
Seattle, US (SEA) - Chicago, US (CHI)

Jun 11
Jun 11

Jun 15
Jun 15
as low as
$14967
Seattle, US (SEA) - Chicago, US (CHI)

May 13
May 13

May 17
May 17
as low as
$14976
Seattle, US (SEA) - Chicago, US (CHI)

Jun 4
Jun 4

Jun 7
Jun 7
as low as
$14976
Top Deals on Business Class Flights from Seattle to Peoria
Seattle, US (SEA) - Peoria, US (PIA)

May 24
May 24

May 31
Jun 1
as low as
$1222
Seattle, US (SEA) - Peoria, US (PIA)

May 24
May 24

May 31
Jun 1
as low as
$1284
Seattle, US (SEA) - Peoria, US (PIA)

May 24
May 25

May 31
Jun 1
as low as
$1284
Seattle, US (SEA) - Peoria, US (PIA)

May 24
May 24

May 31
Jun 1
as low as
$1284
Seattle, US (SEA) - Peoria, US (PIA)

May 24
May 25

May 31
Jun 1
as low as
$1284
Seattle, US (SEA) - Peoria, US (PIA)

May 24
May 24

May 31
Jun 1
as low as
$1285
Seattle, US (SEA) - Peoria, US (PIA)

May 24
May 24

May 31
Jun 1
as low as
$1285
Seattle, US (SEA) - Peoria, US (PIA)

May 24
May 24

May 31
Jun 1
as low as
$1285
Seattle, US (SEA) - Peoria, US (PIA)

May 24
May 25

May 31
Jun 1
as low as
$1320
Seattle, US (SEA) - Peoria, US (PIA)

May 24
May 25

May 31
Jun 1
as low as
$1320
Top Deals on Business Class Flights from Seattle to Moline
Seattle, US (SEA) - Moline, US (MLI)

May 24
May 25

May 31
Jun 1
as low as
$1068
Seattle, US (SEA) - Moline, US (MLI)

May 24
May 24

May 31
Jun 1
as low as
$1141
Seattle, US (SEA) - Moline, US (MLI)

May 24
May 25

May 31
Jun 1
as low as
$1141
Seattle, US (SEA) - Moline, US (MLI)

May 24
May 25

May 31
Jun 1
as low as
$1281
Seattle, US (SEA) - Moline, US (MLI)

May 24
May 25

May 31
May 31
as low as
$1281
Seattle, US (SEA) - Moline, US (MLI)

May 24
May 25

May 31
May 31
as low as
$1351
Seattle, US (SEA) - Moline, US (MLI)

May 24
May 24

May 31
May 31
as low as
$1351
Seattle, US (SEA) - Moline, US (MLI)

May 24
May 24

May 31
May 31
as low as
$4078
Seattle, US (SEA) - Moline, US (MLI)

May 24
May 24

May 31
May 31
as low as
$4078
Seattle, US (SEA) - Moline, US (MLI)

May 24
May 24

May 31
May 31
as low as
$4078
Seattle, US (SEA) - Moline, US (MLI)

May 24
May 24

May 31
May 31
as low as
$4078
Seattle, US (SEA) - Moline, US (MLI)

May 24
May 24

May 31
May 31
as low as
$4078
Top Deals on Business Class Flights from Seattle to Bloomington
Seattle, US (SEA) - Bloomington, US (BMI)

May 23
May 23

May 30
May 31
as low as
$1129
Seattle, US (SEA) - Bloomington, US (BMI)

May 23
May 24

May 30
May 31
as low as
$1129
Seattle, US (SEA) - Bloomington, US (BMI)

May 23
May 23

May 30
May 30
as low as
$1163
Seattle, US (SEA) - Bloomington, US (BMI)

May 23
May 24

May 30
May 30
as low as
$1163
Seattle, US (SEA) - Bloomington, US (BMI)

May 23
May 23

May 30
May 31
as low as
$1249
Top Deals on Business Class Flights from Seattle to Champaign
Seattle, US (SEA) - Champaign, US (CMI)

May 23
May 24

May 30
May 31
as low as
$1039
Seattle, US (SEA) - Champaign, US (CMI)

May 23
May 23

May 30
May 31
as low as
$1039
Seattle, US (SEA) - Champaign, US (CMI)

May 23
May 23

May 30
May 30
as low as
$1226
Top Deals on Business Class Flights from Seattle to Springfield
Seattle, US (SEA) - Springfield, US (SPI)

May 23
May 23

May 30
May 31
as low as
$1203
Good to Know
Essential information to help you plan your flight Business Class from Seattle to Illinois
Frequently Asked Questions
Which cities in Illinois can I fly to directly or with one stop from Seattle?
How long is the flight from Seattle to Illinois?
Are there direct flights from Seattle to Illinois?
Which airlines fly from Seattle to Illinois?
When is the cheapest time to fly from Seattle to Illinois?
How far in advance should I book flights from Seattle to Illinois?
What are the most popular areas to visit in Illinois and how does that affect where I should fly?
Which airports in Illinois are best to fly into from Seattle?
Are overnight or red eye flights available from Seattle to Illinois?
What is the baggage allowance on flights from Seattle to Illinois?
What cabin and seat options are typical from Seattle to Illinois?
Are same day changes or standby possible on this route from Seattle to Illinois?
What time of day is usually cheapest for flights from Seattle to Illinois?
Flights to Illinois
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