Cheap flights from Seattle to Houston

One-way fares from $127 · SEA → HOU · prices found by travellers in the last 48 hours

Compare all dates Houston → Seattle
Cheapest fare
$127

Frontier Airlines · Sat, Dec 12

Cheapest month
December

from $127

Direct flights
Yes

Alaska Airlines

Flight time
4h 19m

3,040 km

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Cheapest month to fly from Seattle to Houston

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $131
  2. December 2026 Cheapest $127
  3. January 2027 $195
  4. February 2027 $197

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart16:58 Sat, Dec 12SEA → IAH 5h 14m · 1 stop
$127one way, per person
View deal
Southwest Airlines
Depart07:15 Mon, Dec 28SEA → HOU 7h 20m · 1 stop
$158one way, per person
View deal
See every date in December 2026 →

Plan the rest of your trip to Houston

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in HoustonCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in HoustonTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in HoustonPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in HoustonCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Seattle to Houston

Seattle (SEA) and Houston (HOU) are about 3,040 km apart. Direct flights take around 4h 19m, and recent direct fares were with Alaska Airlines. Over the next few months, one-way fares start from $127, 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 Seattle to Houston?

The cheapest one-way fare we've seen recently is $127 with Frontier Airlines, departing Saturday, December 12, 2026. Over the coming months, the lowest fare in each month ranges from $127 to $197.

What is the cheapest month to fly from Seattle to Houston?

December 2026 currently has the lowest fares, from $127 one way.

Are there direct flights from Seattle to Houston?

Yes. Recent direct fares were with Alaska Airlines.

How long is the flight from Seattle to Houston?

A direct flight takes about 4h 19m. Seattle and Houston are around 3,040 km apart.

Which airlines fly from Seattle to Houston?

Recent fares on this route were with Frontier Airlines, Alaska Airlines and Southwest Airlines.

More cheap flights from Seattle

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