Book Cheap Flights from Houston with Alaska Airlines
Find round-trip flight deals from Houston.*
Houston (IAH)to
Seattle (SEA)
Houston (IAH)to
Anchorage (ANC)
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Portland (PDX)
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Houston (IAH)to
Ontario (ONT)*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.
One-way flight deals from Houston.*
From | To | Fare Type | Dates | Price | |
|---|---|---|---|---|---|
| Houston (IAH) | Seattle (SEA) | One-way | Saver | Depart: Apr 29, 2026 | From $129 Seen: 11 hours ago | |
| Houston (IAH) | Seattle (SEA) | One-way | Saver | Depart: Apr 22, 2026 | From $129 Seen: 7 hours ago | |
| Houston (IAH) | Ontario (ONT) | One-way | Saver | Depart: Apr 29, 2026 | From $149 Seen: 53 minutes ago | |
| Houston (IAH) | Ontario (ONT) | One-way | Saver | Depart: May 4, 2026 | From $149 Seen: 53 minutes ago | |
| Houston (IAH) | Ontario (ONT) | One-way | Saver | Depart: May 7, 2026 | From $149 Seen: 53 minutes ago | |
| Houston (IAH) | Ontario (ONT) | One-way | Saver | Depart: May 12, 2026 | From $149 Seen: 53 minutes ago | |
| Houston (IAH) | Ontario (ONT) | One-way | Saver | Depart: Apr 21, 2026 | From $149 Seen: 53 minutes ago | |
| Houston (IAH) | Ontario (ONT) | One-way | Saver | Depart: Apr 27, 2026 | From $149 Seen: 53 minutes ago | |
| Houston (IAH) | Seattle (SEA) | One-way | Saver | Depart: May 18, 2026 | From $159 Seen: 17 hours ago | |
| Houston (IAH) | Seattle (SEA) | One-way | Saver | Depart: May 15, 2026 | From $159 Seen: 6 hours ago | |
| Houston (IAH) | Seattle (SEA) | One-way | Saver | Depart: May 1, 2026 | From $159 Seen: 9 hours ago | |
| Houston (IAH) | San Francisco (SFO) | One-way | Saver | Depart: May 2, 2026 | From $160 Seen: 12 hours ago | |
| Houston (IAH) | Portland (PDX) | One-way | Saver | Depart: May 15, 2026 | From $169 Seen: 14 hours ago | |
| Houston (IAH) | Seattle (SEA) | One-way | Saver | Depart: Apr 24, 2026 | From $179 Seen: 12 hours ago | |
| Houston (IAH) | Fairbanks (FAI) | One-way | Saver | Depart: May 5, 2026 | From $180 Seen: 15 hours ago | |
| Houston (IAH) | Oakland (OAK) | One-way | Saver | Depart: May 1, 2026 | From $180 Seen: 1 hour ago | |
| Houston (IAH) | Los Angeles (LAX) | One-way | Saver | Depart: May 16, 2026 | From $182 Seen: 14 hours ago | |
| Houston (IAH) | Fairbanks (FAI) | One-way | Saver | Depart: May 12, 2026 | From $186 Seen: 15 hours ago | |
| Houston (IAH) | Portland (PDX) | One-way | Saver | Depart: Sep 15, 2026 | From $199 Seen: 13 hours ago | |
| Houston (IAH) | Portland (PDX) | One-way | Saver | Depart: Sep 24, 2026 | From $199 Seen: 13 hours ago |
*Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.