$643 Cheap Flights from Houston (IAH) to Seattle (BFI)

View $643 flight on Mon, Sep 8, 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Seattle, WA (BFI-Boeing Field)

Cheap Flights from Houston to Seattle (IAH-BFI)

Prices were available within the past 7 days and start at $643 for one-way flights and $845 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Sep 22 - Tue, Sep 30
IAH
Houston
BFI
Seattle
$845 Roundtrip, found 4 days ago
$845
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Sep 22 from Houston to Seattle, returning Tue, Sep 30, priced at $845 found 4 days ago
Alaska Airlines
Mon, Sep 22 - Sun, Sep 28
IAH
Houston
BFI
Seattle
$875 Roundtrip, found 4 days ago
$875
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Sep 22 from Houston to Seattle, returning Sun, Sep 28, priced at $875 found 4 days ago
Alaska Airlines
Mon, Sep 22 - Thu, Sep 25
IAH
Houston
BFI
Seattle
$885 Roundtrip, found 4 days ago
$885
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Sep 22 from Houston to Seattle, returning Thu, Sep 25, priced at $885 found 4 days ago
Alaska Airlines
Sun, Sep 21 - Tue, Sep 30
IAH
Houston
BFI
Seattle
$935 Roundtrip, found 14 hours ago
$935
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Sun, Sep 21 from Houston to Seattle, returning Tue, Sep 30, priced at $935 found 14 hours ago
Alaska Airlines
Fri, Sep 19 - Thu, Sep 25
IAH
Houston
BFI
Seattle
$945 Roundtrip, found 14 hours ago
$945
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Fri, Sep 19 from Houston to Seattle, returning Thu, Sep 25, priced at $945 found 14 hours ago
Alaska Airlines
Tue, Sep 16 - Tue, Sep 30
IAH
Houston
BFI
Seattle
$955 Roundtrip, found 3 days ago
$955
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Sep 16 from Houston to Seattle, returning Tue, Sep 30, priced at $955 found 3 days ago
Alaska Airlines
Tue, Sep 16 - Tue, Sep 30
IAH
Houston
BFI
Seattle
$960 Roundtrip, found 3 days ago
$960
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Sep 16 from Houston to Seattle, returning Tue, Sep 30, priced at $960 found 3 days ago
Alaska Airlines
Sun, Sep 21 - Sun, Sep 28
IAH
Houston
BFI
Seattle
$975 Roundtrip, found 14 hours ago
$975
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Sun, Sep 21 from Houston to Seattle, returning Sun, Sep 28, priced at $975 found 14 hours ago
Alaska Airlines
Sun, Sep 21 - Thu, Sep 25
IAH
Houston
BFI
Seattle
$985 Roundtrip, found 14 hours ago
$985
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Sun, Sep 21 from Houston to Seattle, returning Thu, Sep 25, priced at $985 found 14 hours ago
Alaska Airlines
Sat, Sep 20 - Sun, Sep 28
IAH
Houston
BFI
Seattle
$990 Roundtrip, found 4 days ago
$990
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Sep 20 from Houston to Seattle, returning Sun, Sep 28, priced at $990 found 4 days ago
Alaska Airlines
Sun, Sep 21 - Thu, Sep 25
IAH
Houston
BFI
Seattle
$995 Roundtrip, found 4 days ago
$995
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sun, Sep 21 from Houston to Seattle, returning Thu, Sep 25, priced at $995 found 4 days ago
Alaska Airlines
Thu, Sep 18 - Thu, Sep 25
IAH
Houston
BFI
Seattle
$1,020 Roundtrip, found 4 days ago
$1,020
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Sep 18 from Houston to Seattle, returning Thu, Sep 25, priced at $1,020 found 4 days ago
Alaska Airlines
Sat, Sep 20 - Sun, Sep 28
IAH
Houston
BFI
Seattle
$1,035 Roundtrip, found 4 days ago
$1,035
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Sep 20 from Houston to Seattle, returning Sun, Sep 28, priced at $1,035 found 4 days ago
Alaska Airlines
Wed, Sep 17 - Tue, Sep 30
IAH
Houston
BFI
Seattle
$1,035 Roundtrip, found 14 hours ago
$1,035
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Wed, Sep 17 from Houston to Seattle, returning Tue, Sep 30, priced at $1,035 found 14 hours ago
Alaska Airlines
Tue, Sep 16 - Tue, Sep 30
IAH
Houston
BFI
Seattle
$1,040 Roundtrip, found 3 days ago
$1,040
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Sep 16 from Houston to Seattle, returning Tue, Sep 30, priced at $1,040 found 3 days ago
Alaska Airlines
Tue, Sep 16 - Tue, Sep 30
IAH
Houston
BFI
Seattle
$1,045 Roundtrip, found 3 days ago
$1,045
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Sep 16 from Houston to Seattle, returning Tue, Sep 30, priced at $1,045 found 3 days ago
Alaska Airlines
Wed, Sep 17 - Sun, Sep 28
IAH
Houston
BFI
Seattle
$1,075 Roundtrip, found 14 hours ago
$1,075
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Wed, Sep 17 from Houston to Seattle, returning Sun, Sep 28, priced at $1,075 found 14 hours ago
Alaska Airlines
Sun, Sep 21 - Tue, Sep 23
IAH
Houston
BFI
Seattle
$1,085 Roundtrip, found 14 hours ago
$1,085
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Sun, Sep 21 from Houston to Seattle, returning Tue, Sep 23, priced at $1,085 found 14 hours ago
Alaska Airlines
Thu, Sep 11 - Tue, Sep 30
IAH
Houston
BFI
Seattle
$1,105 Roundtrip, found 14 hours ago
$1,105
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Thu, Sep 11 from Houston to Seattle, returning Tue, Sep 30, priced at $1,105 found 14 hours ago

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $396
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $396
Select flight to Snohomish County - Paine Field PAE. Average driving time to city center is 29 minutes. Flights from $913
PAE
Snohomish County - Paine Field
Average driving time to city center29 min
Flights from $913
Flights from Houston (IAH) to Seattle (BFI)
Origin airport
George Bush Intercontinental
Destination airport
Boeing Field
Roundtrip price
$845
Distance
1875 mi

Houston to Seattle Flights

The cheapest times to fly from Houston to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to Seattle are during the month of September. You can find some of the cheapest flights from Houston to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Seattle

Sunday is one of the best days to book for cheap flights from Houston to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Houston to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $643 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Houston to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to Boeing Field Airport (BFI) cost?
Secure a cheap one-way flight from $643 or cheap return flight from $845 from George Bush Intercontinental Airport (IAH) to Boeing Field Airport (BFI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to Boeing Field Airport (BFI)?
September is the least expensive month to fly from IAH to BFI. Timing your trip outside of the busy season is often the key to scoring lower fares.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to Boeing Field Airport (BFI)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from IAH to BFI. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from George Bush Intercontinental Airport (IAH) to Boeing Field Airport (BFI)?
Nonstop flights from George Bush Intercontinental Airport (IAH) to Boeing Field Airport (BFI) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from IAH to BFI?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to Boeing Field Airport (BFI)?
To avoid possible delays on the George Bush Intercontinental Airport (IAH) to Boeing Field Airport (BFI) route, fly before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Seattle from George Bush Intercontinental Airport (IAH)?
If you've booked a direct flight from George Bush Intercontinental Airport (IAH) to Seattle, Seattle - Tacoma Intl. Airport (SEA) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from George Bush Intercontinental Airport (IAH) to Boeing Field Airport (BFI) last-minute?
Booking your flight from IAH to BFI shortly before your trip is generally more expensive. However, if there's some wiggle room with your itinerary, you could land a cheap last-minute fare.
Is it cheaper to book an IAH to BFI flight and hotel package?
Compared with arranging hotels and flights separately, booking an IAH to BFI flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place will take the hassle out of planning your trip. Simply secure your flights and choose from our extensive range of stays, then tailor your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to Boeing Field Airport (BFI)?
You can usually cancel or reschedule your IAH to BFI flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.