Cheap Flights from Houston to Seattle
Browse current best options from Houston. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Houston
RatePunk searches hundreds of travel sites at once for deals on flights to Seattle
Prices updated 24 days ago
486,190 searches this week
171 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
Today’s best flight deals from Houston to Seattle
Explore current cheapest deals departing from Houston to Seattle
Round trip
Sort by: Cheapest
September 16 - September 21
IAH - Seattle
$359
$187
Round trip
October 26 - October 27
IAH - Seattle
$352
$188
Round trip
October 19 - October 27
IAH - Seattle
$336
$188
Round trip
October 19 - October 20
IAH - Seattle
$347
$188
Round trip
October 7 - October 27
IAH - Seattle
$304
$204
Round trip
October 7 - October 20
IAH - Seattle
$315
$204
Round trip
September 8 - September 17
IAH - Seattle
$328
$228
Round trip
August 19 - August 31
IAH - Seattle
$550
$234
Round trip
September 2 - September 30
IAH - Seattle
$290
$244
Round trip
September 7 - September 21
IAH - Seattle
$310
$246
Round trip
Unlock all 500+ flight deals to Seattle and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
Insights for flights from Houston to Seattle
How much is a round trip from Houston to Seattle
Regular price: $272 - $377
Prices are currently below the regular range.
Flights from Houston to Seattle typically range from $272 to $377. The current lowest price is $187 with Frontier Airlines for travel from Sep 16 to Sep 21.
now $187
Low $272
High $377
The cheapest time to fly from Houston to Seattle
The cheapest month to fly from Houston to Seattle is February, with a median price of $229. The most expensive month is March, with a median price of $855. Generally, prices are lower from February to December.
February
Flights from $229
March
Flights from $855
Direct flights from Houston to Seattle
Alaska Airlines, Inc.
Last-minute flights going from Houston to Seattle
Tue, Jul 14
IAH - Seattle
Houston (IAH) - Seattle (SEA)
Frontier Airlines
$255
$260
One-way
Wed, Jul 15
IAH - Seattle
Houston (IAH) - Seattle (SEA)
Frontier Airlines
$255
$260
One-way
Wed, Jul 15
IAH - Seattle
Houston (IAH) - Seattle (SEA)
Frontier Airlines
$255
$260
One-way
Wed, Jul 22
IAH - Seattle
Houston (IAH) - Seattle (SEA)
Frontier Airlines
$250
$260
One-way
Sat, Aug 1
IAH - Seattle
Houston (IAH) - Seattle (SEA)
Frontier Airlines
$621
$286
One-way
Sun, Aug 2
IAH - Seattle
Houston (IAH) - Seattle (SEA)
Frontier Airlines
$621
$289
One-way
Biggest price drops on these dates for flights from Houston to Seattle
Aug 29 - Aug 31
$630 → $257
59%
Aug 24 - Aug 27
$627 → $256
59%
Aug 11 - Aug 15
$631 → $260
59%
Aug 6 - Aug 7
$626 → $263
58%
Popular Airports to fly from Houston to Seattle
Houston - Seattle route insights
💸 Price insights
Recent fares are above the typical level
Recent fares for Houston to Seattle are above the typical level, with a median price of $471.
📅 Best time to fly
February is historically the cheapest month to fly
Historically, February is the cheapest month to fly from Houston to Seattle, with a median price of $229.
⏱️ Flight duration
Connecting flights take 15h 48m on average
Connecting flights from Houston to Seattle typically take 15h 48m, with 2 stopovers being common.
✈️ Airlines & availability
Connecting flights are dominant on this route
Connecting flights make up 79.1% of deals, with 1.03 deals per day historically.
🏆 Airline highlight
Alaska Airlines, Inc. offers direct flights
Alaska Airlines, Inc. is one airline offering direct flights from Houston to Seattle.
🎯 Booking tip
Good prices are available 18% of the time
Historically, good prices for flights from Houston to Seattle are available 18% of the time.
Houston main airports to depart from
George Bush Intercontinental (IAH)
George Bush Intercontinental Airport offers flights to Seattle, providing a convenient option for your journey.
📍 ~25 km from Houston (reachable by car)
💸 Flights from ~$187
William P. Hobby (HOU)
William P. Hobby Airport is another Houston departure point for flights to Seattle.
📍 ~15 km from Houston (reachable by car)
💸 Flights from ~$187
Seattle main airports to arrive at
Seattle–Tacoma International (SEA)
Seattle–Tacoma International Airport is a convenient arrival option for flights from Houston to Seattle.
📍 ~18 km from Seattle (reachable by car, train, and bus).
💸 Flights from ~$187
Boeing Field (BFI)
Boeing Field offers an alternative arrival point for travelers flying from Houston to Seattle.
📍 ~8 km from Seattle (reachable by car and bus).
💸 Flights from ~$638
Kenmore Air Harbor Seaplane Base (LKE)
Kenmore Air Harbor Seaplane Base provides a unique arrival experience for flights from Houston to Seattle.
📍 ~3 km from Seattle (reachable by car and bus).
💸 Flights from ~$1353
Airports nearby Seattle used as alternative
Paine Field Everett (PAE)
Paine Field Everett is a convenient alternative for Seattle's North-end residents, offering shorter security wait times.
📍 ~35 km from Seattle (reachable by car)
💸 Flights from ~$308
Portland International (PDX)
Portland International is a major international hub that can be a price competitor for long-haul flights.
📍 ~230 km from Seattle (reachable by car or train)
💸 Flights from ~$197
Vancouver International (YVR)
Vancouver International is a major international gateway with extensive flight options, potentially offering lower fares.
📍 ~200 km from Seattle (reachable by car)
💸 Flights from ~$311
Bellingham International (BLI)
Bellingham International is a primary low-cost carrier airport for the region, featuring budget-friendly fares.
📍 ~145 km from Seattle (reachable by car)
💸 Flights from ~$225
Abbotsford International (YXX)
Abbotsford International is an alternative low-cost gateway for travelers seeking Canadian domestic connections.
📍 ~165 km from Seattle (reachable by car)
💸 Flights from ~$366
Business & First Class Flight Deals to Seattle
Discover luxury on the budget with premium cabin class on flights from Houston to Seattle.
Elite
Best Elite deals to Seattle
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From IAH
Elite
Sep 19
Seattle, United States
83% AI deal score
$1,373
$995
Save $378
From IAH
Elite
Nov 07
Seattle, United States
82% AI deal score
$1,234
$997
Save $237
From IAH
Elite
Aug 19
Seattle, United States
82% AI deal score
$1,212
$997
Save $215
From IAH
Elite
Jun 25
Seattle, United States
82% AI deal score
$1,717
$1,307
Save $410
From IAH
Elite
Jun 17
Seattle, United States
82% AI deal score
$2,248
$1,417
Save $831
From IAH
Elite
Jul 09
Seattle, United States
81% AI deal score
$1,657
$1,127
Save $530
From IAH
Elite
Aug 22
Seattle, United States
81% AI deal score
$1,213
$845
Save $368
From IAH
Elite
Jun 25
Seattle, United States
81% AI deal score
$1,591
$1,085
Save $506
From IAH
Elite
Jun 17
Seattle, United States
81% AI deal score
$1,773
$1,235
Save $538
From IAH
Elite
Jun 27
Seattle, United States
79% AI deal score
$1,555
$1,135
Save $420
From IAH
Elite
Jun 30
Seattle, United States
78% AI deal score
$1,684
$1,262
Save $422
From IAH
Elite
Jun 23
Seattle, United States
78% AI deal score
$1,716
$1,307
Save $409
From IAH
Elite
Sep 29
Seattle, United States
77% AI deal score
$1,330
$1,037
Save $293
From IAH
Elite
Oct 17
Seattle, United States
77% AI deal score
$1,202
$997
Save $205
From IAH
Elite
Oct 10
Seattle, United States
77% AI deal score
$1,192
$997
Save $195
From IAH
Elite
Aug 22
Seattle, United States
77% AI deal score
$1,204
$845
Save $359
From IAH
Elite
Aug 19
Seattle, United States
77% AI deal score
$1,202
$845
Save $357
From IAH
Elite
Aug 26
Seattle, United States
77% AI deal score
$1,176
$845
Save $331
From IAH
Elite
Sep 26
Seattle, United States
76% AI deal score
$1,310
$1,037
Save $273
From IAH
Elite
Sep 15
Seattle, United States
76% AI deal score
$1,301
$1,037
Save $264
From IAH
Elite
Sep 26
Seattle, United States
76% AI deal score
$1,270
$1,037
Save $233
From IAH
Elite
Sep 02
Seattle, United States
76% AI deal score
$1,270
$1,037
Save $233
From IAH
Elite
Sep 23
Seattle, United States
76% AI deal score
$1,297
$1,037
Save $260
From IAH
Elite
Sep 01
Seattle, United States
76% AI deal score
$1,283
$1,037
Save $246
From IAH
Elite
Oct 06
Seattle, United States
76% AI deal score
$1,186
$997
Save $189
From IAH
Elite
Aug 25
Seattle, United States
76% AI deal score
$1,190
$1,037
Save $153
From IAH
Elite
Sep 15
Seattle, United States
76% AI deal score
$1,202
$1,037
Save $165
From IAH
Elite
Sep 19
Seattle, United States
76% AI deal score
$1,212
$1,037
Save $175
From IAH
Elite
Aug 19
Seattle, United States
76% AI deal score
$1,161
$885
Save $276
From IAH
Elite
Aug 29
Seattle, United States
76% AI deal score
$1,175
$885
Save $290
From IAH
Elite
Aug 20
Seattle, United States
76% AI deal score
$1,211
$885
Save $326
From IAH
Elite
Aug 18
Seattle, United States
76% AI deal score
$1,217
$885
Save $332
From IAH
Elite
Aug 24
Seattle, United States
76% AI deal score
$1,166
$885
Save $281
From IAH
Elite
Aug 24
Seattle, United States
76% AI deal score
$1,173
$885
Save $288
From IAH
Elite
Aug 26
Seattle, United States
76% AI deal score
$1,173
$885
Save $288
From IAH
Elite
Aug 23
Seattle, United States
76% AI deal score
$1,163
$885
Save $278
From IAH
Elite
Sep 29
Seattle, United States
75% AI deal score
$1,265
$1,037
Save $228
From IAH
Elite
Sep 26
Seattle, United States
75% AI deal score
$1,212
$1,037
Save $175
From IAH
Elite
Sep 26
Seattle, United States
75% AI deal score
$1,221
$1,037
Save $184
From IAH
Elite
Sep 29
Seattle, United States
75% AI deal score
$1,216
$1,037
Save $179
From IAH
Elite
Sep 23
Seattle, United States
75% AI deal score
$1,216
$1,037
Save $179
From IAH
Elite
Sep 01
Seattle, United States
75% AI deal score
$1,220
$1,037
Save $183
From IAH
Elite
Sep 23
Seattle, United States
75% AI deal score
$1,210
$1,037
Save $173
From IAH
Elite
Sep 02
Seattle, United States
75% AI deal score
$1,209
$1,037
Save $172
From IAH
Elite
Jun 23
Seattle, United States
75% AI deal score
$1,711
$1,377
Save $334
From IAH
Elite
Sep 26
Seattle, United States
75% AI deal score
$1,143
$997
Save $146
From IAH
Elite
Jun 24
Seattle, United States
75% AI deal score
$1,719
$1,447
Save $272
From IAH
Elite
Sep 15
Seattle, United States
74% AI deal score
$1,156
$1,037
Save $119
From IAH
Elite
Sep 15
Seattle, United States
74% AI deal score
$1,154
$1,037
Save $117
From IAH
Elite
Sep 15
Seattle, United States
74% AI deal score
$1,184
$1,037
Save $147
From IAH
Elite
Sep 15
Seattle, United States
74% AI deal score
$1,168
$1,037
Save $131
From IAH
Elite
Sep 26
Seattle, United States
74% AI deal score
$1,163
$1,037
Save $126
From IAH
Elite
Sep 29
Seattle, United States
74% AI deal score
$1,158
$1,037
Save $121
From IAH
Elite
Sep 26
Seattle, United States
74% AI deal score
$1,163
$1,037
Save $126
From IAH
Elite
Sep 29
Seattle, United States
74% AI deal score
$1,158
$1,037
Save $121
From IAH
Elite
Sep 15
Seattle, United States
74% AI deal score
$1,146
$1,037
Save $109
From IAH
Elite
Sep 01
Seattle, United States
74% AI deal score
$1,145
$1,037
Save $108
From IAH
Elite
Sep 01
Seattle, United States
74% AI deal score
$1,169
$1,037
Save $132
From IAH
Elite
Sep 02
Seattle, United States
74% AI deal score
$1,151
$1,037
Save $114
From IAH
Elite
Sep 02
Seattle, United States
74% AI deal score
$1,196
$1,037
Save $159
From IAH
Elite
Sep 01
Seattle, United States
74% AI deal score
$1,163
$1,037
Save $126
From IAH
Elite
Sep 02
Seattle, United States
74% AI deal score
$1,151
$1,037
Save $114
From IAH
Elite
Aug 22
Seattle, United States
74% AI deal score
$1,512
$1,152
Save $360
From IAH
Elite
Sep 19
Seattle, United States
74% AI deal score
$1,126
$1,037
Save $89
From IAH
Elite
Dec 04
Seattle, United States
74% AI deal score
$1,318
$1,172
Save $146
From IAH
Elite
Aug 07
Seattle, United States
74% AI deal score
$1,435
$1,300
Save $135
From IAH
Elite
Oct 06
Seattle, United States
74% AI deal score
$988
$845
Save $143
From IAH
Elite
Sep 01
Seattle, United States
74% AI deal score
$1,003
$845
Save $158
From IAH
Elite
Sep 08
Seattle, United States
74% AI deal score
$998
$845
Save $153
From IAH
Elite
Sep 16
Seattle, United States
74% AI deal score
$1,010
$845
Save $165
From IAH
Elite
Sep 15
Seattle, United States
73% AI deal score
$1,132
$1,037
Save $95
From IAH
Elite
Sep 01
Seattle, United States
73% AI deal score
$1,123
$1,037
Save $86
From IAH
Elite
Sep 01
Seattle, United States
73% AI deal score
$1,123
$1,037
Save $86
From IAH
Elite
Sep 01
Seattle, United States
73% AI deal score
$1,123
$1,037
Save $86
From IAH
Elite
Aug 05
Seattle, United States
73% AI deal score
$1,170
$1,097
Save $73
From IAH
Elite
Jun 24
Seattle, United States
73% AI deal score
$1,586
$1,448
Save $138
From IAH
Elite
Aug 22
Seattle, United States
73% AI deal score
$1,363
$1,097
Save $266
From IAH
Elite
Nov 11
Seattle, United States
73% AI deal score
$1,233
$1,132
Save $101
From IAH
Elite
Dec 26
Seattle, United States
73% AI deal score
$1,519
$1,222
Save $297
From IAH
Elite
Aug 17
Seattle, United States
73% AI deal score
$1,421
$1,300
Save $121
From IAH
Elite
Oct 02
Seattle, United States
73% AI deal score
$999
$885
Save $114
From IAH
Elite
Oct 30
Seattle, United States
73% AI deal score
$1,030
$925
Save $105
From IAH
Elite
Aug 26
Seattle, United States
72% AI deal score
$1,063
$1,037
Save $26
From IAH
Elite
Aug 26
Seattle, United States
72% AI deal score
$1,074
$1,037
Save $37
From IAH
Elite
Aug 07
Seattle, United States
72% AI deal score
$1,137
$1,097
Save $40
From IAH
Elite
Aug 05
Seattle, United States
72% AI deal score
$1,137
$1,097
Save $40
From IAH
Elite
Jul 06
Seattle, United States
72% AI deal score
$1,135
$1,097
Save $38
From IAH
Elite
Jul 17
Seattle, United States
72% AI deal score
$1,369
$1,117
Save $252
From IAH
Elite
Aug 09
Seattle, United States
72% AI deal score
$1,350
$1,147
Save $203
From IAH
Elite
Sep 04
Seattle, United States
72% AI deal score
$1,399
$1,172
Save $227
From IAH
Elite
Jul 02
Seattle, United States
72% AI deal score
$1,577
$1,277
Save $300
From IAH
Elite
Nov 18
Seattle, United States
72% AI deal score
$929
$885
Save $44
From IAH
Elite
Aug 12
Seattle, United States
72% AI deal score
$1,192
$925
Save $267
From IAH
Elite
Oct 27
Seattle, United States
71% AI deal score
$1,037
From IAH
Elite
Oct 21
Seattle, United States
71% AI deal score
$1,037
From IAH
Elite
Aug 26
Seattle, United States
71% AI deal score
$1,037
From IAH
Elite
Oct 27
Seattle, United States
71% AI deal score
$1,037
From IAH
Elite
Aug 26
Seattle, United States
71% AI deal score
$1,037
From IAH
Elite
Oct 20
Seattle, United States
71% AI deal score
$1,037
From IAH
Elite
Aug 12
Seattle, United States
71% AI deal score
$1,097