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

As of August 2026, 9 flights take off from Houston and land in State of Washington each day. The most common flight departure time for this route is 8:00AM, with 65% of daily flights taking off at noon.

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

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

What airlines fly to State of Washington?

Alaska Airlines, United Airlines and Frontier 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 48% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 7 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

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

As of August 2026, 68 flights take off from Houston and land in State of Washington each week. The most common flight departure day for this route is Wed, with 29% of weekly flights taking off on this day.

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 August 2026, there are 7 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.

$90 Cheap Flights from Houston to Washington in 2026

Discover deals from 900+ travel sites with momondo.

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.

2:01 pm - 8:43 pmHOU Houston Hobby-GEG Spokane

8h 42m1 stop Dallas/Fort Worth

12:51 pm - 10:57 pmGEG Spokane-HOU Houston Hobby

8h 06m1 stop Dallas/Fort Worth

$211American Airlines

Sat, Oct 10 - Sat, Nov 7

5:00 pm - 10:54 pmIAH Houston George Bush Intcntl-GEG Spokane

7h 54m1 stop Minneapolis St Paul

1:25 pm - 9:57 pmGEG Spokane-IAH Houston George Bush Intcntl

6h 32m1 stop Salt Lake City

$211Delta

Tue, Sep 8 - Tue, Sep 15

5:00 am - 11:59 amIAH Houston George Bush Intcntl-GEG Spokane

8h 59m1 stop Dallas/Fort Worth

6:15 am - 5:31 pmGEG Spokane-IAH Houston George Bush Intcntl

9h 16m1 stop Phoenix Sky Harbor Intl

$211American Airlines

Sat, Oct 10 - Sat, Nov 7

7:50 am - 12:05 pmIAH Houston George Bush Intcntl-GEG Spokane

6h 15m1 stop Salt Lake City

12:40 pm - 11:58 pmGEG Spokane-IAH Houston George Bush Intcntl

9h 18m1 stop Atlanta Hartsfield-Jackson

$211Delta

Tue, Jan 26 - Sat, Jan 30

6:05 pm - 11:20 pmHOU Houston Hobby-GEG Spokane

7h 15m1 stop Las Vegas Harry Reid Intl

4:20 pm - 12:10 amGEG Spokane-HOU Houston Hobby

5h 50m1 stop Phoenix Sky Harbor Intl

$233Southwest

Mon, Sep 14 - Fri, Sep 18

6:30 am - 12:35 pmIAH Houston George Bush Intcntl-GEG Spokane

8h 05m1 stop Denver Intl

1:09 pm - 10:45 pmGEG Spokane-IAH Houston George Bush Intcntl

7h 36m1 stop San Francisco

$251United Airlines

Mon, Sep 7 - Thu, Sep 10

8:00 am - 3:00 pmHOU Houston Hobby-GEG Spokane

9h 00m1 stop Sacramento Intl

4:20 pm - 12:10 amGEG Spokane-HOU Houston Hobby

5h 50m1 stop Phoenix Sky Harbor Intl

$269Southwest

Thu, Sep 24 - Fri, Sep 25

6:30 am - 1:40 pmIAH Houston George Bush Intcntl-BLI Bellingham

33h 10m2 stops Denver Intl Las Vegas Harry Reid Intl

2:30 pm - 7:02 pmBLI Bellingham-IAH Houston George Bush Intcntl

26h 32m1 stop Phoenix-Mesa Gateway

$290Multiple Airlines

Wed, Oct 21 - Sun, Oct 25

9:59 pm - 4:08 pmIAH Houston George Bush Intcntl-BLI Bellingham

20h 09m1 stop Las Vegas Harry Reid Intl

2:30 pm - 7:02 pmBLI Bellingham-IAH Houston George Bush Intcntl

26h 32m1 stop Phoenix-Mesa Gateway

$303Multiple Airlines

Wed, Oct 21 - Sun, Oct 25

7:20 am - 12:35 pmIAH Houston George Bush Intcntl-GEG Spokane

7h 15m1 stop Denver Intl

1:05 pm - 10:15 pmGEG Spokane-IAH Houston George Bush Intcntl

7h 10m1 stop San Francisco

$308United Airlines

Sun, Sep 20 - Fri, Sep 25

Cheap last minute flights

Enter your travel dates to find the best prices.

4:02 pm - 11:35 amIAH Houston George Bush Intcntl-PDX Portland

21h 33m1 stop Los Angeles

12:20 pm - 9:51 amPDX Portland-IAH Houston George Bush Intcntl

19h 31m1 stop Denver Intl

$324Frontier

Sat, Aug 15 - Sat, Sep 5

6:30 am - 4:51 pmIAH Houston George Bush Intcntl-PDX Portland

12h 21m1 stop Denver Intl

12:38 pm - 12:43 amPDX Portland-IAH Houston George Bush Intcntl

10h 05m1 stop Denver Intl

$348Frontier

Fri, Aug 14 - Fri, Sep 18

6:05 pm - 11:15 pmHOU Houston Hobby-GEG Spokane

7h 10m1 stop Las Vegas Harry Reid Intl

4:20 pm - 12:05 amGEG Spokane-HOU Houston Hobby

5h 45m1 stop Phoenix Sky Harbor Intl

$432Southwest

Mon, Aug 17 - Fri, Aug 21

2:48 pm - 10:36 pmIAH Houston George Bush Intcntl-GEG Spokane

9h 48m1 stop San Francisco

3:54 pm - 11:56 pmGEG Spokane-IAH Houston George Bush Intcntl

6h 02m1 stop Denver Intl

$437United Airlines

Mon, Aug 17 - Fri, Aug 21

5:15 pm - 9:25 pmHOU Houston Hobby-GEG Spokane

6h 10m1 stop Las Vegas Harry Reid Intl

12:45 pm - 8:40 pmGEG Spokane-HOU Houston Hobby

5h 55m1 stop Denver Intl

$437Southwest

Sat, Aug 15 - Sat, Aug 22

2:09 pm - 8:42 pmIAH Houston George Bush Intcntl-GEG Spokane

8h 33m1 stop Dallas/Fort Worth

5:40 am - 1:19 pmGEG Spokane-IAH Houston George Bush Intcntl

5h 39m1 stop Dallas/Fort Worth

$437American Airlines

Sat, Aug 15 - Sat, Aug 22

2:09 pm - 8:42 pmIAH Houston George Bush Intcntl-GEG Spokane

8h 33m1 stop Dallas/Fort Worth

12:44 pm - 10:20 pmGEG Spokane-IAH Houston George Bush Intcntl

7h 36m1 stop Dallas/Fort Worth

$437American Airlines

Mon, Aug 17 - Fri, Aug 21

6:00 am - 4:09 pmHOU Houston Hobby-GEG Spokane

12h 09m2 stops Atlanta Hartsfield-Jackson Salt Lake City

10:56 pm - 9:50 amGEG Spokane-HOU Houston Hobby

8h 54m1 stop Atlanta Hartsfield-Jackson

$442Delta

Mon, Aug 17 - Fri, Aug 21

2:37 pm - 9:30 pmIAH Houston George Bush Intcntl-GEG Spokane

8h 53m1 stop Atlanta Hartsfield-Jackson

7:15 pm - 9:15 amGEG Spokane-IAH Houston George Bush Intcntl

12h 00m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$442Delta

Mon, Aug 17 - Fri, Aug 21

8:24 pm - 10:59 pmIAH Houston George Bush Intcntl-PDX Portland

4h 35mnonstop

7:10 am - 1:24 pmPDX Portland-IAH Houston George Bush Intcntl

4h 14mnonstop

$617United Airlines

Fri, Aug 14 - Fri, Sep 18

Cheap direct flights

Enter your travel dates to find the best prices.

6:02 am - 8:46 amIAH Houston George Bush Intcntl-SEA Seattle/Tacoma Intl

4h 44mnonstop

5:35 pm - 11:59 pmSEA Seattle/Tacoma Intl-IAH Houston George Bush Intcntl

4h 24mnonstop

$305Alaska Airlines

Sat, Oct 3 - Sat, Oct 10

2:34 pm - 5:19 pmIAH Houston George Bush Intcntl-SEA Seattle/Tacoma Intl

4h 45mnonstop

5:35 pm - 11:59 pmSEA Seattle/Tacoma Intl-IAH Houston George Bush Intcntl

4h 24mnonstop

$305Alaska Airlines

Thu, Oct 1 - Sat, Oct 10

6:16 pm - 8:50 pmIAH Houston George Bush Intcntl-PDX Portland

4h 34mnonstop

7:00 am - 1:31 pmPDX Portland-IAH Houston George Bush Intcntl

4h 31mnonstop

$307Alaska Airlines

Sat, Sep 12 - Sat, Sep 19

6:02 am - 8:46 amIAH Houston George Bush Intcntl-SEA Seattle/Tacoma Intl

4h 44mnonstop

5:35 pm - 11:59 pmSEA Seattle/Tacoma Intl-IAH Houston George Bush Intcntl

4h 24mnonstop

$307Alaska Airlines

Sat, Oct 3 - Sat, Oct 10

9:30 am - 11:59 amIAH Houston George Bush Intcntl-PDX Portland

4h 29mnonstop

7:00 am - 1:07 pmPDX Portland-IAH Houston George Bush Intcntl

4h 07mnonstop

$337United Airlines

Sat, Oct 24 - Sat, Oct 31

9:30 am - 11:54 amIAH Houston George Bush Intcntl-PDX Portland

4h 24mnonstop

7:03 am - 1:17 pmPDX Portland-IAH Houston George Bush Intcntl

4h 14mnonstop

$337United Airlines

Sat, Sep 12 - Sat, Sep 19

7:50 pm - 10:21 pmIAH Houston George Bush Intcntl-PDX Portland

4h 31mnonstop

6:50 am - 1:04 pmPDX Portland-IAH Houston George Bush Intcntl

4h 14mnonstop

$337United Airlines

Sat, Oct 17 - Sat, Oct 24

9:25 am - 12:10 pmHOU Houston Hobby-SEA Seattle/Tacoma Intl

4h 45mnonstop

8:50 am - 3:05 pmSEA Seattle/Tacoma Intl-HOU Houston Hobby

4h 15mnonstop

$351Southwest

Mon, Sep 21 - Tue, Sep 29

11:40 am - 2:25 pmHOU Houston Hobby-SEA Seattle/Tacoma Intl

4h 45mnonstop

8:50 am - 3:05 pmSEA Seattle/Tacoma Intl-HOU Houston Hobby

4h 15mnonstop

$392Southwest

Sun, Sep 6 - Tue, Sep 15

9:30 am - 12:15 pmHOU Houston Hobby-SEA Seattle/Tacoma Intl

4h 45mnonstop

8:50 am - 3:05 pmSEA Seattle/Tacoma Intl-HOU Houston Hobby

4h 15mnonstop

$395Southwest

Tue, Sep 8 - Tue, Sep 15

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Frontier flights from Houston to State of Washington

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

Frontier

Oct 16

IAH6:30 amHouston George Bush Intcntl

12h 05m

1 stop

PDX4:35 pmPortland

Oct 20

PDX5:35 pmPortland

20h 39m

2 stops

IAH4:14 pmHouston George Bush Intcntl

$303

Frontier

Oct 13

IAH10:15 pmHouston George Bush Intcntl

20h 20m

1 stop

PDX4:35 pmPortland

Oct 18

PDX9:34 pmPortland

21h 30m

1 stop

IAH9:04 pmHouston George Bush Intcntl

$304

Frontier

Sep 7

IAH9:54 pmHouston George Bush Intcntl

13h 25m

1 stop

SEA9:19 amSeattle/Tacoma Intl

Sep 20

SEA10:53 amSeattle/Tacoma Intl

11h 05m

1 stop

IAH11:58 pmHouston George Bush Intcntl

$305

Southwest flights from Houston to State of Washington

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

Southwest

Sep 14

HOU6:05 pmHouston Hobby

7h 15m

1 stop

GEG11:20 pmSpokane

Sep 18

GEG4:20 pmSpokane

5h 50m

1 stop

HOU12:10 amHouston Hobby

$233

Southwest

Sep 24

HOU8:00 amHouston Hobby

9h 00m

1 stop

GEG3:00 pmSpokane

Sep 25

GEG4:20 pmSpokane

5h 50m

1 stop

HOU12:10 amHouston Hobby

$269

Southwest

Sep 30

HOU9:30 amHouston Hobby

7h 55m

1 stop

PDX3:25 pmPortland

Oct 3

PDX1:10 pmPortland

5h 45m

1 stop

HOU8:55 pmHouston Hobby

$312

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonSpokane

HOU Houston Hobby - GEG Spokane

HOUGEG

Houston Hobby

Sat 10/10

2:01 pm-8:43 pm

1 stop8h 42m

Spokane

Sat 11/7

12:51 pm-10:57 pm

1 stop8h 06m

$211

HoustonSpokane

IAH Houston George Bush Intcntl - GEG Spokane

IAHGEG

Houston George Bush Intcntl

Tue 9/8

5:00 pm-10:54 pm

1 stop7h 54m

Spokane

Tue 9/15

1:25 pm-9:57 pm

1 stop6h 32m

$211

HoustonSpokane

IAH Houston George Bush Intcntl - GEG Spokane

IAHGEG

Houston George Bush Intcntl

Sat 10/10

5:00 am-11:59 am

1 stop8h 59m

Spokane

Sat 11/7

6:15 am-5:31 pm

1 stop9h 16m

$211

HoustonSpokane

IAH Houston George Bush Intcntl - GEG Spokane

IAHGEG

Houston George Bush Intcntl

Tue 1/26

7:50 am-12:05 pm

1 stop6h 15m

Spokane

Sat 1/30

12:40 pm-11:58 pm

1 stop9h 18m

$211

Quickest round-trip

HoustonSpokane

HOU Houston Hobby - GEG Spokane

HOUGEG

Houston Hobby

Mon 9/14

6:05 pm-11:20 pm

1 stop7h 15m

Spokane

Fri 9/18

4:20 pm-12:10 am

1 stop5h 50m

$233

HoustonSpokane

IAH Houston George Bush Intcntl - GEG Spokane

IAHGEG

Houston George Bush Intcntl

Mon 9/7

6:30 am-12:35 pm

1 stop8h 05m

Spokane

Thu 9/10

1:09 pm-10:45 pm

1 stop7h 36m

$251

HoustonSpokane

HOU Houston Hobby - GEG Spokane

HOUGEG

Houston Hobby

Thu 9/24

8:00 am-3:00 pm

1 stop9h 00m

Spokane

Fri 9/25

4:20 pm-12:10 am

1 stop5h 50m

$269

HoustonBellingham

IAH Houston George Bush Intcntl - BLI Bellingham

IAHBLI

Houston George Bush Intcntl

Wed 10/21

6:30 am-1:40 pm

2 stops33h 10m

Bellingham

Sun 10/25

2:30 pm-7:02 pm

1 stop26h 32m

$290

HoustonBellingham

IAH Houston George Bush Intcntl - BLI Bellingham

IAHBLI

Houston George Bush Intcntl

Wed 10/21

9:59 pm-4:08 pm

1 stop20h 09m

Bellingham

Sun 10/25

2:30 pm-7:02 pm

1 stop26h 32m

$303

HoustonSpokane

IAH Houston George Bush Intcntl - GEG Spokane

IAHGEG

Houston George Bush Intcntl

Sun 9/20

7:20 am-12:35 pm

1 stop7h 15m

Spokane

Fri 9/25

1:05 pm-10:15 pm

1 stop7h 10m

$308

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 $313. If you aren’t able to travel to State of Washington during the month of October, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $327.

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 $457. 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 $488. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $627 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 Spokane for the best Houston - Washington flight prices

How far in advance should I book a flight from Houston to 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 $390 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 $345 on momondo.

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

There are 4 cabin classes available to choose from on Houston to State of 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 24m
Direct flights	Every day
Airports in State of Washington	96 airports

The fastest flight from Houston to State of Washington takes 4h 24m

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), Seattle/Tacoma Intl (SEA).

Search flight deals

Frequently asked questions about flying from Houston to Washington

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 August 2026, there are 7 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
Delta	PriceFrom $115	Free Cancellation	Rating 7.8 8,505 reviews	Search Delta flights
Frontier	PriceFrom $126	Free Cancellation	Rating 5.6 2,701 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $128	Free Cancellation	Rating 7.8 2,817 reviews	Search Hawaiian Airlines flights
American Airlines	PriceFrom $184	Free Cancellation	Rating 7.1 11,915 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $225	Free Cancellation	Rating 7.9 12,800 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $228	Free Cancellation	Rating 8.0 4,218 reviews	Search Southwest flights
United Airlines	PriceFrom $256	Free Cancellation	Rating 7.4 10,113 reviews	Search United Airlines 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.