Compare live prices for IAH to SEA. Use the search panel
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IAH → SEAApprox. 3013.41 km08 May 2026Live inventory
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Showing 25
of 122
live flights
Delta Air Lines
DL-2617
17:54
05/08/2026
IAH
George Bush Intercontinental Houston Airport
5h 50m
1 Stop
⏱ MSP · 1h 14mMSP Airport
23:44
05/08/2026
SEA
Seattle Tacoma International Airport
₹19,272
per person
✕ Non-refundable3 fare options
Delta Air Lines
DL-1143
16:08
05/08/2026
IAH
George Bush Intercontinental Houston Airport
6h 47m
1 Stop
⏱ LAX · 2h 9mLAX Airport
22:55
05/08/2026
SEA
Seattle Tacoma International Airport
₹19,272
per person
✕ Non-refundable3 fare options
American Airlines
AA-2551
05:00
05/08/2026
IAH
George Bush Intercontinental Houston Airport
4h 35m
1 Stop
⏱ DFW · 0h 58mDFW Airport
09:35
05/08/2026
SEA
Seattle Tacoma International Airport
₹19,272
per person
✕ Non-refundable14 fare options
American Airlines
AA-2142
18:09
05/08/2026
IAH
George Bush Intercontinental Houston Airport
4h 49m
1 Stop
⏱ DFW · 1h 12mDFW Airport
22:58
05/08/2026
SEA
Seattle Tacoma International Airport
₹19,272
per person
✕ Non-refundable14 fare options
American Airlines
AA-3076
14:03
05/08/2026
IAH
George Bush Intercontinental Houston Airport
6h 10m
1 Stop
⏱ PHX · 1h 54mPHX Airport
20:13
05/08/2026
SEA
Seattle Tacoma International Airport
₹19,272
per person
✕ Non-refundable14 fare options
Delta Air Lines
DL-2376
19:59
05/08/2026
IAH
George Bush Intercontinental Houston Airport
4h 13m
1 Stop
⏱ SLC · 0h 47mSLC Airport
00:12
05/09/2026
+1
SEA
Seattle Tacoma International Airport
₹19,272
per person
✕ Non-refundable
American Airlines
AA-2157
19:59
05/08/2026
IAH
George Bush Intercontinental Houston Airport
4h 45m
1 Stop
⏱ DFW · 1h 3mDFW Airport
00:44
05/09/2026
+1
SEA
Seattle Tacoma International Airport
₹19,272
per person
✕ Non-refundable13 fare options
American Airlines
AA-2142
18:09
05/08/2026
IAH
George Bush Intercontinental Houston Airport
6h 35m
1 Stop
⏱ DFW · 3h 2mDFW Airport
00:44
05/09/2026
+1
SEA
Seattle Tacoma International Airport
₹19,272
per person
✕ Non-refundable13 fare options
Delta Air Lines
DL-1043
11:34
05/08/2026
IAH
George Bush Intercontinental Houston Airport
7h 15m
1 Stop
⏱ DTW · 1h 37mDTW Airport
18:49
05/08/2026
SEA
Seattle Tacoma International Airport
₹19,272
per person
✕ Non-refundable2 fare options
American Airlines
AA-2146
12:19
05/08/2026
IAH
George Bush Intercontinental Houston Airport
7h 17m
1 Stop
⏱ DFW · 3h 30mDFW Airport
19:36
05/08/2026
SEA
Seattle Tacoma International Airport
₹19,272
per person
✕ Non-refundable8 fare options
Delta Air Lines
DL-1143
16:08
05/08/2026
IAH
George Bush Intercontinental Houston Airport
7h 47m
1 Stop
⏱ LAX · 3h 15mLAX Airport
23:55
05/08/2026
SEA
Seattle Tacoma International Airport
₹19,272
per person
✕ Non-refundable2 fare options
alaskaairlines
AS-1421
18:18
05/08/2026
IAH
George Bush Intercontinental Houston Airport
4h 8m
1 Stop
⏱ PDX · 0h 40mPDX Airport
22:26
05/08/2026
SEA
Seattle Tacoma International Airport
₹19,822
per person
✕ Non-refundable🔥 Last 3 seats6 fare options
Southwest Airlines
WN-1636
06:00
05/08/2026
HOU
George Bush Intercontinental Houston Airport
4h 15m
1 Stop
⏱ DAL · 0h 55mDAL Airport
10:15
05/08/2026
SEA
Seattle Tacoma International Airport
₹21,062
per person
✕ Non-refundable5 fare options
Southwest Airlines
WN-2900
18:25
05/08/2026
HOU
George Bush Intercontinental Houston Airport
5h 5m
1 Stop
⏱ DEN · 1h 30mDEN Airport
23:30
05/08/2026
SEA
Seattle Tacoma International Airport
₹21,062
per person
✕ Non-refundable5 fare options
American Airlines
AA-3485
18:27
05/08/2026
IAH
George Bush Intercontinental Houston Airport
6h 9m
1 Stop
⏱ ORD · 0h 35mORD Airport
00:36
05/09/2026
+1
SEA
Seattle Tacoma International Airport
₹21,121
per person
✕ Non-refundable9 fare options
Southwest Airlines
WN-582
20:15
05/08/2026
HOU
George Bush Intercontinental Houston Airport
4h 40m
1 Stop
⏱ PHX · 0h 45mPHX Airport
00:55
05/09/2026
+1
SEA
Seattle Tacoma International Airport
₹21,124
per person
✓ Refundable4 fare options
Southwest Airlines
WN-2394
06:15
05/08/2026
HOU
George Bush Intercontinental Houston Airport
6h 0m
1 Stop
⏱ PHX · 2h 0mPHX Airport
12:15
05/08/2026
SEA
Seattle Tacoma International Airport
₹21,124
per person
✓ Refundable4 fare options
Southwest Airlines
WN-1991
18:40
05/08/2026
HOU
George Bush Intercontinental Houston Airport
6h 15m
1 Stop
⏱ PHX · 2h 25mPHX Airport
00:55
05/09/2026
+1
SEA
Seattle Tacoma International Airport
₹21,124
per person
✓ Refundable4 fare options
Southwest Airlines
WN-3414
13:40
05/08/2026
HOU
George Bush Intercontinental Houston Airport
6h 25m
1 Stop
⏱ PHX · 2h 30mPHX Airport
20:05
05/08/2026
SEA
Seattle Tacoma International Airport
₹21,124
per person
✓ Refundable4 fare options
Southwest Airlines
WN-2340
19:50
05/08/2026
HOU
George Bush Intercontinental Houston Airport
4h 50m
1 Stop
⏱ LAS · 0h 50mLAS Airport
00:40
05/09/2026
+1
SEA
Seattle Tacoma International Airport
₹21,124
per person
✓ Refundable4 fare options
Southwest Airlines
WN-1362
08:10
05/08/2026
HOU
George Bush Intercontinental Houston Airport
6h 0m
1 Stop
⏱ LAS · 1h 50mLAS Airport
14:10
05/08/2026
SEA
Seattle Tacoma International Airport
₹21,124
per person
✓ Refundable🔥 Last 3 seats4 fare options
Southwest Airlines
WN-41
18:25
05/08/2026
HOU
George Bush Intercontinental Houston Airport
6h 15m
1 Stop
⏱ LAS · 2h 15mLAS Airport
00:40
05/09/2026
+1
SEA
Seattle Tacoma International Airport
₹21,124
per person
✓ Refundable4 fare options
Southwest Airlines
WN-2231
12:00
05/08/2026
HOU
George Bush Intercontinental Houston Airport
7h 5m
1 Stop
⏱ DEN · 3h 25mDEN Airport
19:05
05/08/2026
SEA
Seattle Tacoma International Airport
₹21,124
per person
✓ Refundable4 fare options
Southwest Airlines
WN-1551
16:05
05/08/2026
HOU
George Bush Intercontinental Houston Airport
7h 25m
1 Stop
⏱ DEN · 3h 50mDEN Airport
23:30
05/08/2026
SEA
Seattle Tacoma International Airport
₹21,124
per person
✓ Refundable4 fare options
United Airlines
UA-2456
19:55
05/08/2026
IAH
George Bush Intercontinental Houston Airport
2h 57m
Non-stop
22:52
05/08/2026
SEA
Seattle Tacoma International Airport
₹21,339
per person
✕ Non-refundable7 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 08 May 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.