Round trip from
$316
1 Nov – 8 Nov · Frontier Airlines · 1 stop
found 4 days ago
Direct flights from
$384
3 Nov – 6 Nov · Southwest Airlines
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2789 km
Distance
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4 h 41 min
Shortest flight
-
57%
Direct flights
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5
Airlines
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$121
One way from
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$316
Round trip from
The route at a glance
About 2789 km separate Chicago and Seattle; the quickest flight is 4 h 41 min and a typical one 4 h 54 min.
57% of the cheapest tickets are direct; Frontier Airlines carries 43% of them.
Most cheap flights leave from O'Hare International Airport (25 km from the centre of Chicago).
Most land at Seattle-Tacoma International Airport (18 km from the centre of Seattle).
A one-way ticket starts at $121, a round trip at $316.
Cheapest price by month
| Month | Round trip from |
|---|---|
| November 2026 | $316 |
| April 2027 | $471 |
Cheapest day to fly
The cheapest departure in the next two months is 6 November at $132.
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 6 $132 |
7 $167 |
8 $203 |
||||
| 9 $185 |
10 $185 |
11 $168 |
12 $202 |
13 $202 |
14 $237 |
Cheaper More expensive
- $132 — Friday, Nov. 6, 2026
- $167 — Saturday, Nov. 7, 2026
- $168 — Wednesday, Nov. 11, 2026
- $185 — Monday, Nov. 9, 2026
- $185 — Tuesday, Nov. 10, 2026
- $202 — Thursday, Nov. 12, 2026
- $202 — Friday, Nov. 13, 2026
- $203 — Sunday, Nov. 8, 2026
- $237 — Saturday, Nov. 14, 2026
Price trend, last 30 days
Over the last 30 days the fare moved between $180 and $316, averaging $270.
Today's price is 17% above that average; waiting may pay off.
- 6 October — $303
- 11 October — $180
- 16 October — $258
- 21 October — $282
- 26 October — $282
- 31 October — $316
Trip length and timing
The cheapest tickets are for stays of about 4 nights (the very cheapest: 7 nights), booked around 4 days ahead.
Airlines on this route
Airports used
Trip essentials
Car rental in Seattle
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Mobile data in Seattle
An eSIM with local data, set up before you land.
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Airport transfer in Seattle
A fixed-price ride from the airport, booked ahead.
by Kiwitaxi
Flight delayed or cancelled?
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Flight deals from Chicago in Telegram
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Questions and answers
- What is the cheapest price for flights from Chicago to Seattle?
- The cheapest round-trip ticket found recently costs $316.
- Which month is the cheapest to fly from Chicago to Seattle?
- November 2026 is currently the cheapest month, with tickets from $316.
- Are there direct flights from Chicago to Seattle?
- Yes. Direct flights were found from $384.
- Which airlines fly from Chicago to Seattle?
- Airlines found on this route: American Airlines, Alaska Airlines, Frontier Airlines, United Airlines, Southwest Airlines.
- How far is Seattle from Chicago?
- The distance is about 2789 km. A direct flight takes about 4 h 45 min.
- How long is the flight from Chicago to Seattle?
- The shortest flight takes 4 h 41 min; most take about 4 h 54 min.
- Which airports do flights from Chicago to Seattle use?
- Most depart from O'Hare International Airport and arrive at Seattle-Tacoma International Airport.