What airlines fly to State of Washington?

Alaska Airlines, United Airlines and Hawaiian Airlines are the top three most popular airlines that fly to State of Washington from Houston according to our data. Alaska Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 8 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Houston to Washington?

Frontier, Southwest, and Delta are the most popular carriers operating from Houston to Washington

How many flights depart from Houston to State of Washington on average per week?

As of March 2026, 61 flights take off from Houston and land in State of Washington each week. The most common flight departure day for this route is Tue, with 31% of weekly flights taking off on this day.

How many flights depart from Houston to State of Washington on average per day?

As of March 2026, 8 flights take off from Houston and land in State of Washington each day. The most common flight departure time for this route is 7:00PM, with 53% of daily flights taking off in the evening.

When did momondo last update prices for flights from Houston to Washington?

Prices for flights from Houston to Washington are updated daily.

How many operators does momondo search for flights from Houston to Washington?

As of March 2026, there are 8 operators available to choose from for flights from Houston to Washington.

How old do you have to be to fly from Houston to Washington?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Houston to Washington.

What documentation or ID do you need to fly to Washington?

The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$94 Cheap Flights from Houston to Washington in 2026

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Find the cheapest flights from Houston to Washington

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:37 pm - 10:20 am

IAH

PDX

23h 43m

1 stop

12:38 pm - 11:56 pm

PDX

IAH

9h 18m

1 stop

$197Frontier

Sat, Apr 18 - Wed, Apr 22

4:02 pm - 11:38 am

IAH

PDX

21h 36m

1 stop

12:38 pm - 4:54 pm

PDX

IAH

26h 16m

2 stops

$207Frontier

Tue, Apr 14 - Tue, Apr 21

6:45 am - 3:05 pm

IAH

SEA

10h 20m

1 stop

8:45 pm - 3:07 pm

SEA

IAH

16h 22m

2 stops

$208Frontier

Thu, Apr 16 - Mon, Apr 20

6:18 pm - 8:50 pm

IAH

PDX

4h 32mnonstop

10:52 am - 5:18 pm

PDX

IAH

4h 26mnonstop

$217Alaska Airlines

Tue, May 5 - Tue, May 12

7:59 pm - 11:35 pm

IAH

GEG

5h 36m

1 stop

11:33 am - 10:49 pm

GEG

IAH

9h 16m

1 stop

$249Delta

Tue, Jun 2 - Tue, Jun 9

6:32 pm - 11:34 pm

IAH

GEG

7h 02m

1 stop

5:00 am - 7:09 pm

GEG

IAH

12h 09m

2 stops

$254Delta

Wed, May 6 - Wed, May 13

6:00 am - 10:51 am

HOU

SEA

6h 51m

1 stop

6:00 am - 3:48 pm

SEA

HOU

7h 48m

1 stop

$257American Airlines

Sat, Apr 4 - Wed, Apr 8

8:21 pm - 12:44 am

HOU

SEA

6h 23m

1 stop

12:59 am - 9:26 am

SEA

HOU

6h 27m

1 stop

$275American Airlines

Sat, Apr 25 - Fri, May 1

4:46 pm - 9:42 pm

IAH

PSC

6h 56m

1 stop

7:30 pm - 5:16 am

PSC

IAH

7h 46m

1 stop

$317Alaska Airlines

Wed, Apr 29 - Sat, May 2

5:00 am - 12:30 pm

IAH

PSC

9h 30m

1 stop

1:39 pm - 10:52 pm

PSC

IAH

7h 13m

1 stop

$347United Airlines

Tue, Apr 7 - Tue, Apr 21

Frontier flights from Houston to State of Washington

Our best Frontier deals on Houston to State of Washington flight tickets

Frontier

Apr 18

IAH12:37 pmHouston George Bush Intcntl

23h 43m

1 stop

PDX10:20 amPortland

Apr 22

PDX12:38 pmPortland

9h 18m

1 stop

IAH11:56 pmHouston George Bush Intcntl

$197

Frontier

Apr 14

IAH4:02 pmHouston George Bush Intcntl

21h 36m

1 stop

PDX11:38 amPortland

Apr 21

PDX12:38 pmPortland

26h 16m

2 stops

IAH4:54 pmHouston George Bush Intcntl

$207

Frontier

Apr 16

IAH6:45 amHouston George Bush Intcntl

10h 20m

1 stop

SEA3:05 pmSeattle/Tacoma Intl

Apr 20

SEA8:45 pmSeattle/Tacoma Intl

16h 22m

2 stops

IAH3:07 pmHouston George Bush Intcntl

$208

Southwest flights from Houston to State of Washington

Our best Southwest deals on Houston to State of Washington flight tickets

Southwest

Apr 8

HOU7:00 amHouston Hobby

6h 05m

1 stop

PDX11:05 amPortland

Apr 15

PDX11:15 amPortland

6h 45m

1 stop

HOU8:00 pmHouston Hobby

$237

Southwest

Apr 8

HOU7:00 amHouston Hobby

6h 05m

1 stop

PDX11:05 amPortland

Apr 15

PDX11:55 pmPortland

10h 20m

2 stops

HOU12:15 pmHouston Hobby

$242

Southwest

Apr 15

HOU9:15 amHouston Hobby

13h 30m

2 stops

PDX8:45 pmPortland

Apr 18

PDX7:10 amPortland

8h 00m

2 stops

HOU5:10 pmHouston Hobby

$247

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonPortland

IAH - PDX

IAHPDX

Houston George Bush Intcntl

Sat 4/18

12:37 pm-10:20 am

1 stop23h 43m

Portland

Wed 4/22

12:38 pm-11:56 pm

1 stop9h 18m

$197

HoustonPortland

IAH - PDX

IAHPDX

Houston George Bush Intcntl

Tue 4/14

4:02 pm-11:38 am

1 stop21h 36m

Portland

Tue 4/21

12:38 pm-4:54 pm

2 stops26h 16m

$207

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Thu 4/16

6:45 am-3:05 pm

1 stop10h 20m

Seattle/Tacoma Intl

Mon 4/20

8:45 pm-3:07 pm

2 stops16h 22m

$208

Quickest round-trip

HoustonPortland

IAH - PDX

IAHPDX

Houston George Bush Intcntl

Tue 5/5

6:18 pm-8:50 pm

Nonstop4h 32m

Portland

Tue 5/12

10:52 am-5:18 pm

Nonstop4h 26m

$217

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Tue 6/2

7:59 pm-11:35 pm

1 stop5h 36m

Spokane

Tue 6/9

11:33 am-10:49 pm

1 stop9h 16m

$249

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Wed 5/6

6:32 pm-11:34 pm

1 stop7h 02m

Spokane

Wed 5/13

5:00 am-7:09 pm

2 stops12h 09m

$254

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sat 4/4

6:00 am-10:51 am

1 stop6h 51m

Seattle/Tacoma Intl

Wed 4/8

6:00 am-3:48 pm

1 stop7h 48m

$257

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sat 4/25

8:21 pm-12:44 am

1 stop6h 23m

Seattle/Tacoma Intl

Fri 5/1

12:59 am-9:26 am

1 stop6h 27m

$275

HoustonPasco

IAH - PSC

IAHPSC

Houston George Bush Intcntl

Wed 4/29

4:46 pm-9:42 pm

1 stop6h 56m

Pasco Tri Cities

Sat 5/2

7:30 pm-5:16 am

1 stop7h 46m

$317

HoustonPasco

IAH - PSC

IAHPSC

Houston George Bush Intcntl

Tue 4/7

5:00 am-12:30 pm

1 stop9h 30m

Pasco Tri Cities

Tue 4/21

1:39 pm-10:52 pm

1 stop7h 13m

$347

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to State of Washington?

The month of October is, on average, the cheapest month to fly to State of Washington from Houston, with most prices found around $277. If you aren’t able to travel to State of Washington during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $284.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Houston to State of Washington is on a Tuesday. Travelers who choose to depart for State of Washington on a Tuesday will often find tickets for as low as $379. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Houston to State of Washington for around $593.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the morning when flights can be purchased for as low as $451. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $515 on average. Flights to State of Washington from Houston in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Houston to Washington flight route?

Fly from Houston George Bush Intcntl to Seattle/Tacoma Intl for the best Houston - Washington flight prices

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $350 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Houston for as low as $296 on momondo.

What cabin class options are available on Houston to Washington flights?

There are 4 cabin classes available to choose from on Houston to Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Houston to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to State of Washington

Fastest flight time	4h 00m
Direct flights	Every day
Airports in State of Washington	96 airports

The fastest flight from Houston to State of Washington takes 4h 00m

Direct flights go from Houston to State of Washington every day.

There are 96 airports in State of Washington. From Houston there are direct flights to Portland (PDX), Spokane (GEG), Seattle/Tacoma Intl (SEA).

Search flight deals

When did momondo last update prices for flights from Houston to Washington?
Prices for flights from Houston to Washington are updated daily.
How many operators does momondo search for flights from Houston to Washington?
As of March 2026, there are 8 operators available to choose from for flights from Houston to Washington.
How old do you have to be to fly from Houston to Washington?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Houston to Washington.
What documentation or ID do you need to fly to Washington?
The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Houston to State of Washington

Compare and see reviews for airlines that fly from Houston to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $88	Free Cancellation	Rating 6.3 8,522 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $112	Free Cancellation	Rating 5.7 3,029 reviews	Search Frontier flights
Delta	PriceFrom $128	Free Cancellation	Rating 7.9 8,288 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $148	Free Cancellation	Rating 7.8 2,839 reviews	Search Hawaiian Airlines flights
American Airlines	PriceFrom $162	Free Cancellation	Rating 7.1 11,468 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $196	Free Cancellation	Rating 7.9 12,058 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $213	Free Cancellation	Rating 7.4 9,431 reviews	Search United Airlines flights
Southwest	PriceFrom $237	Free Cancellation	Rating 8.0 4,319 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Washington?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington from Houston.

Can I find flights from Houston to Washington with flexible booking policies on momondo?

All flight searches from Houston to Washington on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Houston to Washington?

Once all potential Houston to Washington flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Houston to Washington right now. Can momondo alert me if prices change?

Price alerts on flights to Washington from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.