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Cheap flights from Houston to Washington from $91

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to Washington departing on 10/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Alaska Airlines Logo
5:45 pm - 8:11 pmIAH-PDX
4h 26mnonstop
Alaska Airlines Logo
10:38 am - 4:40 pmPDX-IAH
4h 02mnonstop
$177Alaska Airlines
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Wed, Oct 15 - Wed, Oct 22
Frontier Logo
9:08 pm - 12:12 amIAH-PDX
29h 04m1 stop
Frontier Logo
12:43 pm - 3:42 pmPDX-IAH
24h 59m1 stop
$178Frontier
Find Deal
Thu, Oct 2 - Mon, Oct 27
American Airlines Logo
6:39 pm - 11:29 pmHOU-PDX
6h 50m1 stop
American Airlines Logo
2:05 pm - 10:14 pmPDX-HOU
6h 09m1 stop
$181American Airlines
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Sat, Oct 18 - Tue, Oct 21
United Airlines Logo
12:27 pm - 6:36 pmIAH-PDX
8h 09m1 stop
United Airlines Logo
7:00 am - 1:06 pmPDX-IAH
4h 06mnonstop
$183United Airlines
Find Deal
Wed, Oct 29 - Tue, Nov 4
United Airlines Logo
8:00 pm - 10:45 pmIAH-PDX
4h 45mnonstop
United Airlines Logo
1:00 pm - 9:59 pmPDX-IAH
6h 59m1 stop
$185United Airlines
Find Deal
Wed, Nov 12 - Mon, Nov 17
Delta Logo
6:55 pm - 11:43 pmIAH-PDX
6h 48m1 stop
Delta Logo
9:58 am - 11:59 pmPDX-IAH
12h 01m2 stops
$186Delta
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Tue, Oct 14 - Tue, Oct 21
Hawaiian Airlines Logo
5:51 pm - 8:23 pmIAH-PDX
4h 32mnonstop
Hawaiian Airlines Logo
10:47 am - 4:50 pmPDX-IAH
4h 03mnonstop
$187Hawaiian Airlines
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Sun, Nov 2 - Sat, Nov 8
Delta Logo
7:00 am - 7:19 pmIAH-PDX
14h 19m2 stops
Delta Logo
7:59 pm - 9:58 amPDX-IAH
11h 59m2 stops
$191Delta
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Sat, Oct 18 - Tue, Oct 21
American Airlines Logo
2:24 pm - 7:42 pmHOU-PDX
7h 18m1 stop
American Airlines Logo
2:05 pm - 10:14 pmPDX-HOU
6h 09m1 stop
$197American Airlines
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Sat, Oct 18 - Tue, Oct 21
Hawaiian Airlines Logo
5:45 pm - 8:11 pmIAH-PDX
4h 26mnonstop
Hawaiian Airlines Logo
10:38 am - 4:40 pmPDX-IAH
4h 02mnonstop
$227Hawaiian Airlines
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Thu, Oct 9 - Sun, Oct 12

Alaska Airlines flights from Houston to State of Washington

Our best Alaska Airlines deals on Houston to State of Washington flight tickets
Alaska Airlines
Oct 15
IAH5:45 pmHouston George Bush Intcntl
4h 26m
PDX8:11 pmPortland
Oct 22
PDX10:38 amPortland
4h 02m
IAH4:40 pmHouston George Bush Intcntl
$177
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Alaska Airlines
Oct 31
IAH5:51 pmHouston George Bush Intcntl
4h 32m
PDX8:23 pmPortland
Nov 9
PDX10:47 amPortland
4h 03m
IAH4:50 pmHouston George Bush Intcntl
$197
Find similar
Alaska Airlines
Nov 2
IAH5:51 pmHouston George Bush Intcntl
4h 32m
PDX8:23 pmPortland
Nov 7
PDX10:47 amPortland
4h 03m
IAH4:50 pmHouston George Bush Intcntl
$205
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American Airlines flights from Houston to State of Washington

Our best American Airlines deals on Houston to State of Washington flight tickets
American Airlines
Oct 18
HOU6:39 pmHouston Hobby
6h 50m
1 stop
PDX11:29 pmPortland
Oct 21
PDX2:05 pmPortland
6h 09m
1 stop
HOU10:14 pmHouston Hobby
$181
Find similar
American Airlines
Oct 18
HOU2:24 pmHouston Hobby
7h 18m
1 stop
PDX7:42 pmPortland
Oct 21
PDX2:05 pmPortland
6h 09m
1 stop
HOU10:14 pmHouston Hobby
$197
Find similar
American Airlines
Oct 23
HOU6:11 pmHouston Hobby
6h 57m
1 stop
PDX11:08 pmPortland
Nov 4
PDX11:59 pmPortland
7h 42m
1 stop
HOU9:41 amHouston Hobby
$207
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momondo Fare Finder

 
Customize your flight search to find flights from Houston to State of Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Houston to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonPortland

IAH - PDX

IAHPDX

Houston George Bush Intcntl

Wed 10/15

5:45 pm-8:11 pm

Nonstop4h 26m

Portland

Wed 10/22

10:38 am-4:40 pm

Nonstop4h 02m

$177

HoustonPortland

IAH - PDX

IAHPDX

Houston George Bush Intcntl

Thu 10/2

9:08 pm-12:12 am

1 stop29h 04m

Portland

Mon 10/27

12:43 pm-3:42 pm

1 stop24h 59m

$178

HoustonPortland

HOU - PDX

HOUPDX

Houston Hobby

Sat 10/18

6:39 pm-11:29 pm

1 stop6h 50m

Portland

Tue 10/21

2:05 pm-10:14 pm

1 stop6h 09m

$181

HoustonPortland

IAH - PDX

IAHPDX

Houston George Bush Intcntl

Wed 10/29

12:27 pm-6:36 pm

1 stop8h 09m

Portland

Tue 11/4

7:00 am-1:06 pm

Nonstop4h 06m

$183

HoustonPortland

IAH - PDX

IAHPDX

Houston George Bush Intcntl

Wed 11/12

8:00 pm-10:45 pm

Nonstop4h 45m

Portland

Mon 11/17

1:00 pm-9:59 pm

1 stop6h 59m

$185

HoustonPortland

IAH - PDX

IAHPDX

Houston George Bush Intcntl

Tue 10/14

6:55 pm-11:43 pm

1 stop6h 48m

Portland

Tue 10/21

9:58 am-11:59 pm

2 stops12h 01m

$186

HoustonPortland

IAH - PDX

IAHPDX

Houston George Bush Intcntl

Sun 11/2

5:51 pm-8:23 pm

Nonstop4h 32m

Portland

Sat 11/8

10:47 am-4:50 pm

Nonstop4h 03m

$187

HoustonPortland

IAH - PDX

IAHPDX

Houston George Bush Intcntl

Sat 10/18

7:00 am-7:19 pm

2 stops14h 19m

Portland

Tue 10/21

7:59 pm-9:58 am

2 stops11h 59m

$191

HoustonPortland

HOU - PDX

HOUPDX

Houston Hobby

Sat 10/18

2:24 pm-7:42 pm

1 stop7h 18m

Portland

Tue 10/21

2:05 pm-10:14 pm

1 stop6h 09m

$197

HoustonPortland

IAH - PDX

IAHPDX

Houston George Bush Intcntl

Thu 10/9

5:45 pm-8:11 pm

Nonstop4h 26m

Portland

Sun 10/12

10:38 am-4:40 pm

Nonstop4h 02m

$227

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington from

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

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 $287. 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 $307.

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 Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Houston to State of Washington for around $417.

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 $474. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $532 on average. Flights to State of Washington from Houston in the afternoon 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 $370 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 $321 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 26m

Direct flights

Every day

Airports in State of Washington

2 airports
The fastest flight from Houston to State of Washington takes 4h 26m
Direct flights go from Houston to State of Washington every day.
There are 2 airports near State of Washington: Portland (PDX), Seattle/Tacoma Intl (SEA)
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  • 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?

  • 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 AirlinesPriceFrom $107Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
FrontierPriceFrom $128Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
DeltaPriceFrom $138Free CancellationRating
7.9
7,961 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $185Free CancellationRating
7.8
2,729 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $207Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $226Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $250Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $252Free CancellationRating
7.4
8,926 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.

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