NT$6,274 Cheap flights from Houston to Seattle (IAH to SEA)

Popular airlines from George Bush Intercontinental Airport (IAH) to Seattle-Tacoma International Airport (SEA)

Be in the know
Get alerts if flight prices drop or rise*
Book smarter
Save up to 45% on select hotels after you book a flight*
Earn twice
Earn your airline miles on top of our rewards
Sign in

Cheap Flights from Houston to Seattle (IAH-SEA)

Prices were available within the past 7 days and start at NT$6,274 for one-way flights and NT$12,835 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Roundtrip

Sat, May 30 - Sat, Jun 6

IAH

Houston

SEA

Seattle

NT$12,835

Roundtrip

found 1 day ago

Sat, May 30 - Sat, Jun 6

IAH

Houston

SEA

Seattle

NT$13,498

Roundtrip

found 1 day ago

Sat, May 30 - Sat, Jun 6

IAH

Houston

SEA

Seattle

NT$14,102

Roundtrip

found 1 day ago

Sat, May 30 - Sat, Jun 6

IAH

Houston

SEA

Seattle

NT$14,412

Roundtrip

found 1 day ago

Sat, May 30 - Sat, Jun 6

IAH

Houston

SEA

Seattle

NT$14,413

Roundtrip

found 1 day ago

Sat, May 30 - Sat, Jun 6

IAH

Houston

SEA

Seattle

NT$14,414

Roundtrip

found 1 day ago

Sat, May 30 - Sat, Jun 6

IAH

Houston

SEA

Seattle

NT$15,045

Roundtrip

found 1 day ago

Sat, May 30 - Sat, Jun 6

IAH

Houston

SEA

Seattle

NT$15,076

Roundtrip

found 1 day ago

Sat, May 30 - Sat, Jun 6

IAH

Houston

SEA

Seattle

NT$15,713

Roundtrip

found 1 day ago

Sat, May 30 - Sat, Jun 6

IAH

Houston

SEA

Seattle

NT$16,629

Roundtrip

found 1 day ago

Find the cheapest month to fly from Houston (IAH) to Seattle (SEA)

April is typically the cheapest month to fly

From NT$5,121 - NT$9,150 per traveler.

Frequently asked questions

How much is a flight from Houston Airport to Seattle - Tacoma Intl. Airport (SEA)?

Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip journey from George Bush Intercontinental Airport (IAH) to SEA was NT$12,835. Cheap tickets don't last long, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.

Do I need to pay a cancellation fee if I cancel my flight from Houston Airport to SEA?

The majority of flights can be canceled online, but every air carrier has a different set of terms and conditions. If you do decide to cancel your flight, visit our Customer Service Portal and follow the instructions.

How do I find cheap flights from IAH to Sea-Tac Airport that have flexible change policies?

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Houston Airport to Sea-Tac Airport flights, you'll see a "no change fees" filter for you to select.

How many hours is the flight from George Bush Intercontinental Airport (IAH) to Seattle - Tacoma Intl. Airport (SEA)?

It takes approximately 4 hours and 58 minutes to fly from Houston Airport (IAH) to Sea-Tac Airport (SEA). But with some TV shows and a few interesting magazines, the hours will pass by quicker.

How far is the flight from Houston Airport to Sea-Tac Airport?

The flying distance between George Bush Intercontinental Airport (IAH) (IAH) and Sea-Tac Airport (SEA) is 3,000 kilometers. Work your way through your travel song playlist or finish off your latest read and the journey will zip by.

Which airlines fly direct from George Bush Intercontinental Airport (IAH) to SEA?

One airline that flies from IAH to Sea-Tac Airport is United Airlines (UA). It offers 91 flights monthly. Alaska Airlines (AS) is also worth a look. It offers 60 flights per month. Between these two airlines, you'll be able to find a great deal from Houston to SeaTac.

Are IAH to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?

It is possible to nab an amazing last-minute deal from IAH to Sea-Tac Airport, but it's also possible to miss out altogether! As many airlines release seats up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to book when you spot a bargain. Expedia compares air carrier prices and updates flight deals all the time, so you can be sure you're always seeing the latest offers.

Travel information

Origin airport	George Bush Intercontinental
Destination airport	Seattle - Tacoma Intl.
Airlines serving	American Airlines, Delta, United
Roundtrip price	NT$12,835
Distance	2994 km
Average flight time	3 hours 21 mins

Explore a world of travel with Expedia

*Available to Expedia members.

NT$6,274 Cheap Flights from Houston (IAH) to Seattle (SEA)

Popular airlines from George Bush Intercontinental Airport (IAH) to Seattle-Tacoma International Airport (SEA)

Be in the know

Book smarter

Earn twice

Cheap Flights from Houston to Seattle (IAH-SEA)

Find the cheapest month to fly from Houston (IAH) to Seattle (SEA)

April is typically the cheapest month to flyApril is typically the cheapest month to fly

Frequently asked questions

Travel information

Explore a world of travel with Expedia

April is typically the cheapest month to fly