United Flight 618 Deals & Information (2026/2027)

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Frequently asked questions

What route does flight number UA618 take?
You'll be touching down at IAH from Seattle - Tacoma Intl. Airport (SEA) if you've booked a ticket on flight number UA618. You'll be in the sky for 4 hours and 14 minutes on this trip. It's also good to note that the flight conveniently travels non-stop.
What kind of plane is on flight number UA618?
There's a good chance you'll be on a Boeing 737-800 if you're traveling on flight number UA618. This flight typically jets off from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) and comes in to land at IAH.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UA618 flight with Travelocity, please visit our Customer Service Portal.