Houston (IAH) to Seattle (SEA) Flights from ₹14,218
Fares on this route currently start from ₹14,218. Compare live IAH to SEA prices, non-stop and connecting flights, departure times and airline choices before booking. Use the search panel to change origin, destination, passengers, cabin and trip type instantly.
IAH → SEAApprox. 3013.41 km04 Jun 2026Live inventory
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Showing 25
of 139
live flights
Frontier Airlines
F9-3229
06:30
06/04/2026
IAH
George Bush Intercontinental Houston Airport
7h 31m
1 Stop
⏱ DEN · 3h 54mDEN Airport
14:01
06/04/2026
SEA
Seattle Tacoma International Airport
₹14,218
per person
✕ Non-refundable
Frontier Airlines
F9-3205
22:05
06/04/2026
IAH
George Bush Intercontinental Houston Airport
12h 1m
1 Stop
⏱ DEN · 8h 2mDEN Airport
10:06
06/05/2026
+1
SEA
Seattle Tacoma International Airport
₹14,748
per person
✕ Non-refundable
Frontier Airlines
F9-3229
06:30
06/04/2026
IAH
George Bush Intercontinental Houston Airport
27h 36m
1 Stop
⏱ DEN · 23h 54mDEN Airport
10:06
06/05/2026
+1
SEA
Seattle Tacoma International Airport
₹14,748
per person
✕ Non-refundable
Frontier Airlines
F9-1755
16:07
06/04/2026
IAH
George Bush Intercontinental Houston Airport
26h 28m
1 Stop
⏱ LAX · 21h 14mLAX Airport
18:35
06/05/2026
+1
SEA
Seattle Tacoma International Airport
₹14,749
per person
✕ Non-refundable
Frontier Airlines
F9-3131
05:30
06/04/2026
IAH
George Bush Intercontinental Houston Airport
13h 35m
1 Stop
⏱ ONT · 8h 56mONT Airport
19:05
06/04/2026
SEA
Seattle Tacoma International Airport
₹14,749
per person
✕ Non-refundable
United Airlines
UA-1795
18:05
06/04/2026
IAH
George Bush Intercontinental Houston Airport
2h 48m
Non-stop
20:53
06/04/2026
SEA
Seattle Tacoma International Airport
₹20,502
per person
✕ Non-refundable11 fare options
Frontier Airlines
F9-3227
17:40
06/04/2026
IAH
George Bush Intercontinental Houston Airport
16h 26m
1 Stop
⏱ DEN · 12h 31mDEN Airport
10:06
06/05/2026
+1
SEA
Seattle Tacoma International Airport
₹20,946
per person
✕ Non-refundable
Frontier Airlines
F9-1965
20:50
06/04/2026
IAH
George Bush Intercontinental Houston Airport
13h 46m
1 Stop
⏱ LAS · 9h 21mLAS Airport
10:36
06/05/2026
+1
SEA
Seattle Tacoma International Airport
₹20,947
per person
✕ Non-refundable
United Airlines
UA-2456
20:02
06/04/2026
IAH
George Bush Intercontinental Houston Airport
2h 49m
Non-stop
22:51
06/04/2026
SEA
Seattle Tacoma International Airport
₹22,712
per person
✕ Non-refundable11 fare options
Delta Air Lines
DL-1143
16:08
06/04/2026
IAH
George Bush Intercontinental Houston Airport
7h 45m
1 Stop
⏱ LAX · 3h 15mLAX Airport
23:53
06/04/2026
SEA
Seattle Tacoma International Airport
₹22,725
per person
✕ Non-refundable2 fare options
alaskaairlines
AS-453
06:00
06/04/2026
IAH
George Bush Intercontinental Houston Airport
2h 49m
Non-stop
08:49
06/04/2026
SEA
Seattle Tacoma International Airport
₹24,000
per person
✕ Non-refundable🔥 Last 3 seats11 fare options
Alaska Airlines
AS-4225
14:22
06/04/2026
IAH
George Bush Intercontinental Houston Airport
7h 7m
1 Stop
⏱ PHX · 3h 1mPHX Airport
21:29
06/04/2026
SEA
Seattle Tacoma International Airport
₹25,596
per person
✕ Non-refundable6 fare options
Southwest Airlines
WN-982
19:50
06/04/2026
HOU
George Bush Intercontinental Houston Airport
5h 50m
1 Stop
⏱ PHX · 2h 15mPHX Airport
01:40
06/05/2026
+1
SEA
Seattle Tacoma International Airport
₹26,313
per person
✕ Non-refundable🔥 Last 4 seats5 fare options
Frontier Airlines
F9-3205
22:05
06/04/2026
IAH
George Bush Intercontinental Houston Airport
15h 56m
1 Stop
⏱ DEN · 12h 2mDEN Airport
14:01
06/05/2026
+1
SEA
Seattle Tacoma International Airport
₹26,671
per person
✕ Non-refundable🔥 Last 3 seats
Frontier Airlines
F9-3227
17:40
06/04/2026
IAH
George Bush Intercontinental Houston Airport
20h 21m
1 Stop
⏱ DEN · 16h 31mDEN Airport
14:01
06/05/2026
+1
SEA
Seattle Tacoma International Airport
₹26,671
per person
✕ Non-refundable🔥 Last 3 seats
Southwest Airlines
WN-1058
22:50
06/04/2026
HOU
George Bush Intercontinental Houston Airport
11h 35m
1 Stop
⏱ LAS · 7h 45mLAS Airport
10:25
06/05/2026
+1
SEA
Seattle Tacoma International Airport
₹28,176
per person
✓ Refundable🔥 Last 1 seats8 fare options
alaskaairlines
AS-439
14:46
06/04/2026
IAH
George Bush Intercontinental Houston Airport
2h 54m
Non-stop
17:40
06/04/2026
SEA
Seattle Tacoma International Airport
₹28,314
per person
✕ Non-refundable🔥 Last 1 seats11 fare options
Southwest Airlines
WN-2251
05:15
06/04/2026
HOU
George Bush Intercontinental Houston Airport
5h 10m
1 Stop
⏱ LAS · 1h 25mLAS Airport
10:25
06/04/2026
SEA
Seattle Tacoma International Airport
₹29,096
per person
✕ Non-refundable🔥 Last 5 seats6 fare options
American Airlines
AA-3351
20:23
06/04/2026
HOU
George Bush Intercontinental Houston Airport
4h 36m
1 Stop
⏱ DFW · 0h 51mDFW Airport
00:59
06/05/2026
+1
SEA
Seattle Tacoma International Airport
₹29,111
per person
✕ Non-refundable13 fare options
United Airlines
UA-2638
16:25
06/04/2026
IAH
George Bush Intercontinental Houston Airport
2h 47m
Non-stop
19:12
06/04/2026
SEA
Seattle Tacoma International Airport
₹29,125
per person
✕ Non-refundable11 fare options
American Airlines
AA-2577
19:53
06/04/2026
IAH
George Bush Intercontinental Houston Airport
5h 6m
1 Stop
⏱ DFW · 1h 22mDFW Airport
00:59
06/05/2026
+1
SEA
Seattle Tacoma International Airport
₹29,402
per person
✕ Non-refundable🔥 Last 2 seats21 fare options
Southwest Airlines
WN-2079
07:30
06/04/2026
HOU
George Bush Intercontinental Houston Airport
8h 50m
1 Stop
⏱ SJC · 4h 50mSJC Airport
16:20
06/04/2026
SEA
Seattle Tacoma International Airport
₹29,628
per person
✕ Non-refundable🔥 Last 5 seats
United Airlines
UA-2205
10:02
06/04/2026
IAH
George Bush Intercontinental Houston Airport
2h 47m
Non-stop
12:49
06/04/2026
SEA
Seattle Tacoma International Airport
₹30,014
per person
✕ Non-refundable11 fare options
United Airlines
UA-1351
08:00
06/04/2026
IAH
George Bush Intercontinental Houston Airport
2h 47m
Non-stop
10:47
06/04/2026
SEA
Seattle Tacoma International Airport
₹30,072
per person
✕ Non-refundable11 fare options
Southwest Airlines
WN-2003
18:25
06/04/2026
HOU
George Bush Intercontinental Houston Airport
6h 25m
1 Stop
⏱ LAS · 2h 35mLAS Airport
00:50
06/05/2026
+1
SEA
Seattle Tacoma International Airport
₹30,681
per person
✓ Refundable🔥 Last 2 seats9 fare options
😕 No flights match your filters.
Houston (IAH)
📍 George Bush Intercontinental Houston Airport
🌍 United States
🕐 GMT -6
📐 Latitude: 29.984399795532227
📐 Longitude: -95.34140014648438
Seattle (SEA)
📍 Seattle Tacoma International Airport
🌍 United States
🕐 GMT -8
📐 Latitude: 47.449001
📐 Longitude: -122.308998
✈ Distance: Houston, TX,USA to Seattle,USA — 3013.41 km
📅 Results on this page are loaded for 04 Jun 2026. Click View all flights for the complete live search.
Houston to Seattle — what to expect when booking
The IAH–SEA route is served by multiple carriers throughout the year.
Fares on this route can move quickly — a price available now may not be there 30 minutes later.
If your dates are flexible, try shifting your departure by a day or two using the date strip above.
Mid-week departures often show lower base fares compared to weekend starts on many routes.
The distance between Houston, TX,USA and Seattle,USA is approximately
3013.41 km.
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❓ Frequently asked questions — Houston to Seattle flights
Generally yes — fares on most routes are most competitive around 4–6 weeks before departure. Booking earlier usually means better availability and a lower base fare when your dates are fixed.
The straight-line distance between Houston, TX,USA (IAH) and Seattle,USA (SEA) is approximately 3013.41 km. Actual flying distance may vary slightly depending on routing.
Non-stop availability on this route varies by airline schedule and season. Use the filters below to quickly check whether direct options are available on your selected date.
Mid-week departures often show lower prices than weekend travel on many routes. Use the date strip above to compare nearby days quickly.