United AirlinesDepart15:00
Wed, Dec 23MSN → SEA
6h 15m · 1 stop
$201one way, per person
View deal
- Cheapest fare
- $201
- Cheapest month
- December
- Direct flights
- Not recently
- Quickest trip
- 6h 15m
United Airlines · Wed, Dec 23
from $201
Usually 1+ stop
2,600 km
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Cheapest month to fly from Madison to Seattle
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in December 2026
The lowest fares we've seen for each day, cheapest first.
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About flights from Madison to Seattle
Madison (MSN) and Seattle (SEA) are about 2,600 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 6h 15m. Over the next few months, one-way fares start from $201, and December 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Madison to Seattle?
The cheapest one-way fare we've seen recently is $201 with United Airlines, departing Wednesday, December 23, 2026.
What is the cheapest month to fly from Madison to Seattle?
December 2026 currently has the lowest fares, from $201 one way.
Are there direct flights from Madison to Seattle?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Madison to Seattle?
The quickest journey we've seen takes about 6h 15m. Madison and Seattle are around 2,600 km apart.
Which airlines fly from Madison to Seattle?
Recent fares on this route were with United Airlines.