Find cheap United Airlines flights to Seattle
ICT — SEA
Nov 2 — Nov 91
Round-trip
1 adult, Economy
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Cheapest United Airlines flights from USA to SeattleExplore the most affordable United Airlines flight options available from USA to Seattle. Find the lowest fares with prices last updated on October 3, 2026.
Explore the most affordable United Airlines flight options available from USA to Seattle. Find the lowest fares with prices last updated on October 3, 2026.
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:08 am -
Nonstop2h 15m
Thu 10/299:05 am -
Nonstop2h 19m
Deal found 9/30![United Airlines logo]()
$157
This deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:35 pm -
Nonstop2h 26m
Sat 10/177:11 am -
Nonstop2h 19m
Deal found 9/30![United Airlines logo]()
$179
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:05 pm -
Nonstop2h 13m
Sat 10/315:23 pm -
Nonstop2h 25m
Deal found 9/30![United Airlines logo]()
$182
Best United Airlines flights from USA to SeattleDiscover carefully curated United Airlines flight deals from USA to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 3, 2026.
Discover carefully curated United Airlines flight deals from USA to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 3, 2026.
This United Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:30 pm -
Nonstop2h 17m
Mon 11/27:35 pm -
Nonstop2h 15m
Deal found 9/28![United Airlines logo]()
$157
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:35 pm -
Nonstop2h 24m
Mon 11/169:05 am -
Nonstop2h 19m
Deal found 10/1![United Airlines logo]()
$157
This United Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/109:22 pm -
Nonstop2h 09m
Sun 2/146:57 am -
Nonstop2h 16m
Deal found 9/29![United Airlines logo]()
$182
Direct United Airlines flights from USA to SeattleExplore non-stop United Airlines flight options from USA to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated October 3, 2026.
Explore non-stop United Airlines flight options from USA to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated October 3, 2026.
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:08 am -
Nonstop2h 15m
Thu 10/299:05 am -
Nonstop2h 19m
Deal found 9/30![United Airlines logo]()
$157
This deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:35 pm -
Nonstop2h 26m
Sat 10/177:11 am -
Nonstop2h 19m
Deal found 9/30![United Airlines logo]()
$179
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:05 pm -
Nonstop2h 13m
Sat 10/315:23 pm -
Nonstop2h 25m
Deal found 9/30![United Airlines logo]()
$182
Last-minute United Airlines flights from USA to SeattleDiscover last-minute United Airlines flight deals from USA to Seattle. Data last updated October 3, 2026 and is based on user searches.
Discover last-minute United Airlines flight deals from USA to Seattle. Data last updated October 3, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:08 am -
Nonstop2h 15m
Thu 10/299:05 am -
Nonstop2h 19m
Deal found 9/30![United Airlines logo]()
$157
This deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:35 pm -
Nonstop2h 26m
Sat 10/177:11 am -
Nonstop2h 19m
Deal found 9/30![United Airlines logo]()
$179
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:05 pm -
Nonstop2h 13m
Sat 10/315:23 pm -
Nonstop2h 25m
Deal found 9/30![United Airlines logo]()
$182
One-way United Airlines flights to SeattleSearch for one-way United Airlines flight options to Seattle. Find affordable one-way fares based on user searches. Data last updated October 3, 2026.
Search for one-way United Airlines flight options to Seattle. Find affordable one-way fares based on user searches. Data last updated October 3, 2026.
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:05 pm -
Nonstop2h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![United Airlines logo]()
$79
This United Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:27 am -
Nonstop2h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![United Airlines logo]()
$99
This United Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:10 pm -
Nonstop2h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![United Airlines logo]()
$99
Flights to Seattle with United Airlines at a glance
Find detailed information about United Airlines flights from USA to Seattle. Explore the options provided by United Airlines to plan your journey from USA to Seattle. Data last updated October 3, 2026.
Popular in | July |
|---|---|
Cheapest in | January |
Average price | $401 |
Round-trip from | $157 |
One-way from | $79 |
Good round-trip deal | $768 or less |
Good one-way deal | $408 or less |
Cheapflights Insights
Find cheap United Airlines flights to Seattle
US0-SEA
SFO-SEA
LAX-SEA
How long is the flight to Seattle with United Airlines?
On average, United Airlines flights from the United States to Seattle take 4 hours 38 minutes. Flights to Seattle from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.
United Airlines weekly flight availability to Seattle
The most flights to Seattle operated by United Airlines are scheduled on a Sunday (45 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (30 on average).
When is the best time to book a flight to Seattle with United Airlines?
The best time to book a flight to Seattle with United Airlines is 75 days before departure. On average, fares are higher if you book on the same day as departure.
When is the cheapest time to fly to Seattle with United Airlines?
Users looking for the cheapest United Airlines fares to Seattle should consider flying on Wednesday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Monday at noon, when prices are usually at their highest.
FAQs about flights to Seattle with United Airlines
Reviews of United Airlines
See what Cheapflights users have to say about their United Airlines experience.
Overview
Reviews
United Airlines
10,000 reviews
Overview
Food
6.7
Boarding
7.7
Entertainment
7.1
Crew
8.1
Comfort
7.3
Recent reviews
10.0
|Oct 2026Is good
10.0
|Sep 2026Everything was good
8.0
|Sep 2026The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.
10.0
|Aug 2026Staff friendly, good boarding experience
4.0
|Aug 2026Had to go through TSA again, already purchased bottle drink. TSA would not let through, United changed gates last minute. This experience bad for everyone. Staff rude, not our fault. Staff from Chicago to Wichita excellent!
1 out of 3334
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