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Cheap flights from Houston to Washington from $77

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 1/8. 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
8:45 am - 11:27 am
IAH
-
GEG
28h 42m1 stop
Frontier Logo
12:22 pm - 12:33 am
GEG
-
IAH
10h 11m1 stop
$171Frontier
Wed, Feb 18 - Thu, Feb 26
Frontier Logo
6:45 am - 12:24 pm
IAH
-
GEG
7h 39m1 stop
Frontier Logo
11:22 am - 12:33 am
GEG
-
IAH
11h 11m1 stop
$182Frontier
Thu, Jan 8 - Thu, Jan 15
Multiple Airlines Logo
9:33 pm - 10:33 am
IAH
-
PDX
15h 00m1 stop
Multiple Airlines Logo
9:22 pm - 3:13 pm
PDX
-
IAH
15h 51m2 stops
$186Multiple Airlines
Wed, Jan 14 - Mon, Jan 26
Alaska Airlines Logo
5:55 pm - 8:41 pm
IAH
-
PDX
4h 46mnonstop
Alaska Airlines Logo
10:47 am - 4:55 pm
PDX
-
IAH
4h 08mnonstop
$187Alaska Airlines
Tue, Jan 13 - Fri, Jan 23
United Airlines Logo
8:00 pm - 10:53 pm
IAH
-
PDX
4h 53mnonstop
United Airlines Logo
1:35 pm - 9:59 pm
PDX
-
IAH
6h 24m1 stop
$193United Airlines
Wed, Jan 28 - Mon, Feb 2
Delta Logo
6:20 am - 1:35 pm
IAH
-
PDX
9h 15m1 stop
Delta Logo
11:44 am - 11:56 pm
PDX
-
IAH
10h 12m1 stop
$197Delta
Sat, Jan 10 - Sat, Jan 17
Delta Logo
6:36 am - 12:46 pm
IAH
-
PDX
8h 10m1 stop
Delta Logo
6:25 am - 5:38 pm
PDX
-
IAH
9h 13m2 stops
$202Delta
Tue, Jan 20 - Wed, Feb 25
United Airlines Logo
8:00 pm - 10:53 pm
IAH
-
PDX
4h 53mnonstop
United Airlines Logo
1:35 pm - 9:59 pm
PDX
-
IAH
6h 24m1 stop
$203United Airlines
Thu, Jan 22 - Mon, Jan 26
Alaska Airlines Logo
7:17 pm - 10:10 pm
IAH
-
SEA
4h 53mnonstop
Alaska Airlines Logo
11:52 am - 6:17 pm
SEA
-
IAH
4h 25mnonstop
$236Alaska Airlines
Tue, Jan 27 - Wed, Jan 28
Hawaiian Airlines Logo
7:00 am - 8:57 pm
IAH
-
PSC
15h 57m1 stop
Hawaiian Airlines Logo
8:27 am - 6:17 pm
PSC
-
IAH
7h 50m1 stop
$304Hawaiian Airlines
Sat, Jan 31 - Wed, Feb 4

United Airlines flights from Houston to State of Washington

Our best United Airlines deals on Houston to State of Washington flight tickets
United Airlines
Jan 28
IAH8:00 pmHouston George Bush Intcntl
4h 53m
PDX10:53 pmPortland
Feb 2
PDX1:35 pmPortland
6h 24m
1 stop
IAH9:59 pmHouston George Bush Intcntl
$193
Find similar
United Airlines
Jan 22
IAH8:00 pmHouston George Bush Intcntl
4h 53m
PDX10:53 pmPortland
Jan 26
PDX1:35 pmPortland
6h 24m
1 stop
IAH9:59 pmHouston George Bush Intcntl
$203
Find similar
United Airlines
Feb 19
IAH5:00 amHouston George Bush Intcntl
9h 38m
1 stop
PDX12:38 pmPortland
Feb 23
PDX7:10 amPortland
4h 09m
IAH1:19 pmHouston George Bush Intcntl
$223
Find similar

Alaska Airlines flights from Houston to State of Washington

Our best Alaska Airlines deals on Houston to State of Washington flight tickets
Alaska Airlines
Jan 13
IAH5:55 pmHouston George Bush Intcntl
4h 46m
PDX8:41 pmPortland
Jan 22
PDX10:47 amPortland
4h 08m
IAH4:55 pmHouston George Bush Intcntl
$187
Find similar
Alaska Airlines
Jan 24
IAH7:00 amHouston George Bush Intcntl
7h 38m
1 stop
PDX12:38 pmPortland
Jan 29
PDX1:38 pmPortland
8h 16m
1 stop
IAH11:54 pmHouston George Bush Intcntl
$206
Find similar
Alaska Airlines
Jan 26
IAH7:00 amHouston George Bush Intcntl
7h 38m
1 stop
PDX12:38 pmPortland
Jan 26
PDX1:38 pmPortland
8h 16m
1 stop
IAH11:54 pmHouston George Bush Intcntl
$211
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 December 21, 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

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Wed 2/18

8:45 am-11:27 am

1 stop28h 42m

Spokane

Thu 2/26

12:22 pm-12:33 am

1 stop10h 11m

$171

HoustonSpokane

IAH - GEG

IAHGEG

Houston George Bush Intcntl

Thu 1/8

6:45 am-12:24 pm

1 stop7h 39m

Spokane

Thu 1/15

11:22 am-12:33 am

1 stop11h 11m

$182

HoustonPortland

IAH - PDX

IAHPDX

Houston George Bush Intcntl

Wed 1/14

9:33 pm-10:33 am

1 stop15h 00m

Portland

Mon 1/26

9:22 pm-3:13 pm

2 stops15h 51m

$186

HoustonPortland

IAH - PDX

IAHPDX

Houston George Bush Intcntl

Tue 1/13

5:55 pm-8:41 pm

Nonstop4h 46m

Portland

Fri 1/23

10:47 am-4:55 pm

Nonstop4h 08m

$187

HoustonPortland

IAH - PDX

IAHPDX

Houston George Bush Intcntl

Wed 1/28

8:00 pm-10:53 pm

Nonstop4h 53m

Portland

Mon 2/2

1:35 pm-9:59 pm

1 stop6h 24m

$193

HoustonPortland

IAH - PDX

IAHPDX

Houston George Bush Intcntl

Sat 1/10

6:20 am-1:35 pm

1 stop9h 15m

Portland

Sat 1/17

11:44 am-11:56 pm

1 stop10h 12m

$197

HoustonPortland

IAH - PDX

IAHPDX

Houston George Bush Intcntl

Tue 1/20

6:36 am-12:46 pm

1 stop8h 10m

Portland

Wed 2/25

6:25 am-5:38 pm

2 stops9h 13m

$202

HoustonPortland

IAH - PDX

IAHPDX

Houston George Bush Intcntl

Thu 1/22

8:00 pm-10:53 pm

Nonstop4h 53m

Portland

Mon 1/26

1:35 pm-9:59 pm

1 stop6h 24m

$203

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Tue 1/27

7:17 pm-10:10 pm

Nonstop4h 53m

Seattle/Tacoma Intl

Wed 1/28

11:52 am-6:17 pm

Nonstop4h 25m

$236

HoustonPasco

IAH - PSC

IAHPSC

Houston George Bush Intcntl

Sat 1/31

7:00 am-8:57 pm

1 stop15h 57m

Pasco Tri Cities

Wed 2/4

8:27 am-6:17 pm

1 stop7h 50m

$304

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 $278. 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 $289.

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 $471. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $526 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 $361 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 $310 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

96 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 96 airports in State of Washington. From Houston there are direct flights to Portland (PDX), 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?

  • 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 $104Free CancellationRating
6.3
8,190 reviews
Search Spirit Airlines flights
FrontierPriceFrom $130Free CancellationRating
5.8
3,079 reviews
Search Frontier flights
DeltaPriceFrom $138Free CancellationRating
7.9
8,017 reviews
Search Delta flights
American AirlinesPriceFrom $184Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
Hawaiian AirlinesPriceFrom $186Free CancellationRating
7.8
2,821 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $207Free CancellationRating
8.0
4,254 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $230Free CancellationRating
8.0
11,496 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $234Free CancellationRating
7.4
9,100 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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