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Cheap flights from Houston to Washington from $65

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 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:30 am - 1:07 pmIAH-SEA
6h 37m1 stop
Frontier Logo
1:39 pm - 12:31 amSEA-IAH
8h 52m1 stop
$185Frontier
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Sat, Jan 10 - Mon, Feb 2
Multiple Airlines Logo
7:45 am - 10:06 amIAH-SEA
28h 21m2 stops
Multiple Airlines Logo
3:40 pm - 12:31 amSEA-IAH
6h 51m1 stop
$186Multiple Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Hawaiian Airlines Logo
5:55 pm - 8:39 pmIAH-PDX
4h 44mnonstop
Hawaiian Airlines Logo
10:42 am - 4:55 pmPDX-IAH
4h 13mnonstop
$193Hawaiian Airlines
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Sat, Dec 6 - Sat, Dec 13
Alaska Airlines Logo
7:35 am - 12:36 pmIAH-PDX
7h 01m1 stop
Alaska Airlines Logo
8:40 am - 5:49 pmPDX-IAH
7h 09m1 stop
$195Alaska Airlines
Find Deal
Sat, Feb 28 - Tue, Mar 3
United Airlines Logo
8:00 pm - 10:53 pmIAH-PDX
4h 53mnonstop
United Airlines Logo
12:59 pm - 7:10 pmPDX-IAH
4h 11mnonstop
$197United Airlines
Find Deal
Tue, Jan 20 - Wed, Jan 28
United Airlines Logo
9:30 am - 12:18 pmIAH-PDX
4h 48mnonstop
United Airlines Logo
1:35 pm - 9:59 pmPDX-IAH
6h 24m1 stop
$203United Airlines
Find Deal
Tue, Jan 20 - Wed, Jan 28
Alaska Airlines Logo
5:54 pm - 2:43 pmIAH-SEA
22h 49m1 stop
Alaska Airlines Logo
5:40 pm - 11:59 pmSEA-IAH
4h 19mnonstop
$207Alaska Airlines
Find Deal
Tue, Mar 3 - Wed, Mar 4
Hawaiian Airlines Logo
7:17 pm - 10:10 pmIAH-SEA
4h 53mnonstop
Hawaiian Airlines Logo
5:39 pm - 11:54 pmSEA-IAH
4h 15mnonstop
$216Hawaiian Airlines
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Wed, Jan 7 - Wed, Jan 28
American Airlines Logo
12:47 pm - 6:51 pmHOU-PDX
8h 04m1 stop
American Airlines Logo
12:35 pm - 10:46 pmPDX-HOU
8h 11m1 stop
$216American Airlines
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Tue, Jan 20 - Wed, Jan 28
American Airlines Logo
6:00 am - 11:45 amHOU-PDX
7h 45m1 stop
American Airlines Logo
2:18 pm - 10:46 pmPDX-HOU
6h 28m1 stop
$226American Airlines
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Sat, Jan 24 - Thu, Jan 29

Frontier flights from Houston to State of Washington

Our best Frontier deals on Houston to State of Washington flight tickets
Frontier
Jan 10
IAH8:30 amHouston George Bush Intcntl
6h 37m
1 stop
SEA1:07 pmSeattle/Tacoma Intl
Feb 2
SEA1:39 pmSeattle/Tacoma Intl
8h 52m
1 stop
IAH12:31 amHouston George Bush Intcntl
$185
Find similar
Frontier
Nov 20
IAH11:48 amHouston George Bush Intcntl
27h 34m
2 stops
SEA1:22 pmSeattle/Tacoma Intl
Dec 5
SEA3:40 pmSeattle/Tacoma Intl
16h 57m
1 stop
IAH10:37 amHouston George Bush Intcntl
$187
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Frontier
Dec 6
IAH3:31 pmHouston George Bush Intcntl
20h 03m
2 stops
PDX9:34 amPortland
Dec 8
PDX5:32 pmPortland
23h 40m
1 stop
IAH7:12 pmHouston George Bush Intcntl
$190
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Alaska Airlines flights from Houston to State of Washington

Our best Alaska Airlines deals on Houston to State of Washington flight tickets
Alaska Airlines
Feb 28
IAH7:35 amHouston George Bush Intcntl
7h 01m
1 stop
PDX12:36 pmPortland
Mar 3
PDX8:40 amPortland
7h 09m
1 stop
IAH5:49 pmHouston George Bush Intcntl
$195
Find similar
Alaska Airlines
Mar 3
IAH5:54 pmHouston George Bush Intcntl
22h 49m
1 stop
SEA2:43 pmSeattle/Tacoma Intl
Mar 4
SEA5:40 pmSeattle/Tacoma Intl
4h 19m
IAH11:59 pmHouston George Bush Intcntl
$207
Find similar
Alaska Airlines
Dec 6
IAH6:08 amHouston George Bush Intcntl
5h 01m
SEA9:09 amSeattle/Tacoma Intl
Dec 13
SEA5:36 pmSeattle/Tacoma Intl
4h 23m
IAH11:59 pmHouston George Bush Intcntl
$209
Find similar

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 November 4, 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

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Sat 1/10

8:30 am-1:07 pm

1 stop6h 37m

Seattle/Tacoma Intl

Mon 2/2

1:39 pm-12:31 am

1 stop8h 52m

$185

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Thu 12/4

7:45 am-10:06 am

2 stops28h 21m

Seattle/Tacoma Intl

Mon 12/8

3:40 pm-12:31 am

1 stop6h 51m

$186

HoustonPortland

IAH - PDX

IAHPDX

Houston George Bush Intcntl

Sat 12/6

5:55 pm-8:39 pm

Nonstop4h 44m

Portland

Sat 12/13

10:42 am-4:55 pm

Nonstop4h 13m

$193

HoustonPortland

IAH - PDX

IAHPDX

Houston George Bush Intcntl

Sat 2/28

7:35 am-12:36 pm

1 stop7h 01m

Portland

Tue 3/3

8:40 am-5:49 pm

1 stop7h 09m

$195

HoustonPortland

IAH - PDX

IAHPDX

Houston George Bush Intcntl

Tue 1/20

8:00 pm-10:53 pm

Nonstop4h 53m

Portland

Wed 1/28

12:59 pm-7:10 pm

Nonstop4h 11m

$197

HoustonPortland

IAH - PDX

IAHPDX

Houston George Bush Intcntl

Tue 1/20

9:30 am-12:18 pm

Nonstop4h 48m

Portland

Wed 1/28

1:35 pm-9:59 pm

1 stop6h 24m

$203

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Tue 3/3

5:54 pm-2:43 pm

1 stop22h 49m

Seattle/Tacoma Intl

Wed 3/4

5:40 pm-11:59 pm

Nonstop4h 19m

$207

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Wed 1/7

7:17 pm-10:10 pm

Nonstop4h 53m

Seattle/Tacoma Intl

Wed 1/28

5:39 pm-11:54 pm

Nonstop4h 15m

$216

HoustonPortland

HOU - PDX

HOUPDX

Houston Hobby

Tue 1/20

12:47 pm-6:51 pm

1 stop8h 04m

Portland

Wed 1/28

12:35 pm-10:46 pm

1 stop8h 11m

$216

HoustonPortland

HOU - PDX

HOUPDX

Houston Hobby

Sat 1/24

6:00 am-11:45 am

1 stop7h 45m

Portland

Thu 1/29

2:18 pm-10:46 pm

1 stop6h 28m

$226

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 $288. 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 $296.

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 $473. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $535 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 $367 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 $328 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 19m

Direct flights

Every day

Airports in State of Washington

2 airports
The fastest flight from Houston to State of Washington takes 4h 19m
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
8,112 reviews
Search Spirit Airlines flights
FrontierPriceFrom $130Free CancellationRating
5.8
3,116 reviews
Search Frontier flights
DeltaPriceFrom $138Free CancellationRating
7.9
8,002 reviews
Search Delta flights
American AirlinesPriceFrom $184Free CancellationRating
7.2
11,038 reviews
Search American Airlines flights
Hawaiian AirlinesPriceFrom $186Free CancellationRating
7.8
2,799 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $187Free CancellationRating
8.0
4,237 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $222Free CancellationRating
8.0
11,237 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $240Free CancellationRating
7.4
8,998 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.

An easier way to manage your State of Washington trip

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