⚡ Fare recorded April 25, 2026 · Prices change daily

Houston to Seattle flights

Houston (IAH) to Seattle (SEA): 1,872 miles (3,013 km) great-circle, about 4h 15m nonstop by our estimate. Cheapest fare observed: $122 round-trip on Frontier, with 1 stop, departing June 6, 2026.

F9FrontierF94855
Depart
IAH
Houston, USA
22:25
2026-06-06
✈
Arrive
SEA
Seattle, United States
Returns 19:41
2026-06-12
Stops
1 stop
Distance
1,872 mi
Est. nonstop time
4h 15m
Trip type
Round-trip
$122
Round-trip · per person
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About this flight

When did the cheapest Houston to Seattle fare fly?

$122 round-trip, Frontier F94855, departing 2026-06-06 at 22:25, returning 2026-06-12. The recorded itinerary left on a Saturday, returning on a Friday 6 nights later; the fare was observed 42 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.

Route facts

How far is Houston from Seattle?

  • Distance: 1,872 miles (3,013 km) great-circle, heading northwest.
  • Estimated nonstop flight time: about 4h 15m.
  • Departure airport: George Bush Intcntl/Houston Airport (IAH), Houston, United States, UTC-5 on June 6, 2026.
  • Arrival: Seattle-Tacoma International Airport (SEA), United States, UTC-7 on June 6, 2026.
  • Time difference: Seattle is 2 hours behind Houston on the recorded date.
  • Route type: domestic, within United States.
  • Arrival airport elevation: 433 ft.
  • Recorded itinerary: Frontier F94855, 1 stop, round-trip, 6 days between departure and return.
Fare comparison

How does the Houston to Seattle fare compare with other routes from IAH?

At $122, it ranked 6th of the 30 round-trip fares we recorded from IAH (median $247). That is 6.5 cents per great-circle mile (round-trip price over one-way distance), below the IAH median of 17.9 cents across 30 round-trip routes.

Routes from IAH of similar length: New York (1,415 mi) at $143 and Los Angeles (1,376 mi) at $145.

Frontier had the cheapest fare on 12 of 30 IAH routes. It is the 10th longest of the 30 routes we track from IAH.

Other ways in

What did other cities pay to fly to Seattle?

Of 18 departure airports with a fare to Seattle, Houston (IAH) ranked 1st at $122. Lowest: $122 from Houston (IAH); highest: $690 from Punta Cana (PUJ); 5 nonstop. Cheapest-fare airlines (routes): Frontier (13), Alaska Airlines (2), Air Canada (1), Southwest (1) and United Airlines (1).

Sources

Where do these numbers come from?

Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Chicago, America/Los_Angeles; flight time is our estimate.

FAQ

Houston to Seattle flight questions

How far is Houston from Seattle by plane?

+
Houston is about 1,872 miles (3,013 km) from Seattle on a great-circle line from George Bush Intcntl/Houston Airport (IAH) to Seattle-Tacoma International Airport (SEA), heading northwest. It is the 10th longest of the 30 routes we track from IAH. The recorded itinerary had 1 stop, so the distance flown was longer.

How long is the flight from Houston to Seattle?

+
About 4h 15m nonstop by our estimate for 1,872 miles (500 mph cruise plus 30 minutes, not a timetable). The recorded Frontier fare was with 1 stop. 18 airports in our feed had a fare to Seattle; this one ranked 1st, and 5 of the 18 were nonstop.

What is the time difference between Houston and Seattle?

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On June 6, 2026, Houston was on UTC-5 (America/Chicago) and Seattle on UTC-7 (America/Los_Angeles), so Seattle was 2 hours behind Houston: noon in Houston was 10:00 in Seattle. Both zones shift for daylight saving together, so the gap stays the same in January and July.

How much is a flight from Houston to Seattle?

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As observed on April 25, 2026: $122 per person round-trip on Frontier flight F94855, departing June 6, 2026, returning June 12, 2026, with 1 stop. At $122, it ranked 6th of the 30 round-trip fares we recorded from IAH (median $247). That is 6.5 cents per great-circle mile (round-trip price over one-way distance), below the IAH median of 17.9 cents across 30 round-trip routes. Prices change daily, so check the live fare.

Is there a nonstop flight from Houston to Seattle?

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The cheapest recorded fare had 1 stop; our feed keeps only the cheapest fare per route, so a pricier nonstop may exist. Into Seattle, 5 of the 18 recorded fares were nonstop. From IAH, 12 of 30 were. Routes from IAH of similar length: New York (1,415 mi) at $143 and Los Angeles (1,376 mi) at $145.

Which airports serve flights from Houston to Seattle?

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It departs George Bush Intcntl/Houston Airport (IAH) in Houston, United States, and arrives at Seattle-Tacoma International Airport (SEA) in Seattle, United States. A domestic United States flight. Frontier had the cheapest fare on 12 of 30 IAH routes. Seattle-Tacoma International Airport (SEA) sits at 433 ft above sea level.

Where else near Seattle can you fly from Houston?

Las Vegas (LAS) $145Los Angeles (LAX) $145El Paso (ELP) $421Chicago (CHI) $101Nashville (BNA) $213New Orleans (MSY) $179All flights from Houston →

Other cities with flights to Seattle

From San Diego (SAN) $172From Denver (DEN) $178From Las Vegas (LAS) $188From Los Angeles (LAX) $199From Chicago (MDW) $210From Atlanta (ATL) $211

Ready to fly?

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