$56+ Cheap flights from the United States to Seattle (SEA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from USA to Seattle
Cheapest flights from USA to SeattleExplore the most affordable flight options available from USA to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
Explore the most affordable flight options available from USA to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
This Super.com deal was found by Cheapflights users on 1/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Expedia deal was found by Cheapflights users on 1/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair deal was found by Cheapflights users on 1/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This WAYA deal was found by Cheapflights users on 1/27. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 1/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 1/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flight deals from USA to Seattle
Keep the following information in mind while searching for USA to Seattle flight deals. Data was last updated January 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $87 (Super.com) |
One-way from | $56 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $352 |
Good round-trip deal | $112 or less |
Good one-way deal | $94 or less |
Cheapflights Fare Finder
Use the filters below to find and compare flights from the United States to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Tue 3/24
2:55 pm-5:09 pm
Nonstop2h 14m
Seattle/Tacoma Intl
Sun 3/29
7:25 am-9:51 am
Nonstop2h 26m
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Mon 3/9
6:30 am-8:47 am
Nonstop2h 17m
Seattle/Tacoma Intl
Wed 3/11
7:41 pm-9:55 pm
Nonstop2h 14m
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Fri 2/27
9:18 pm-11:30 pm
Nonstop2h 12m
Seattle/Tacoma Intl
Mon 3/2
12:32 pm-2:50 pm
Nonstop2h 18m
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Mon 4/6
6:00 am-8:16 am
Nonstop2h 16m
Seattle/Tacoma Intl
Wed 4/8
1:45 pm-4:04 pm
Nonstop2h 19m
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Thu 3/12
6:00 am-8:14 am
Nonstop2h 14m
Seattle/Tacoma Intl
Mon 3/16
11:45 am-2:05 pm
Nonstop2h 20m
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Sun 4/5
6:00 am-8:16 am
Nonstop2h 16m
Seattle/Tacoma Intl
Wed 4/8
1:45 pm-4:04 pm
Nonstop2h 19m
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Thu 2/19
5:55 am-8:13 am
Nonstop2h 18m
Seattle/Tacoma Intl
Fri 2/20
7:10 am-9:30 am
Nonstop2h 20m
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Wed 2/18
5:55 am-8:13 am
Nonstop2h 18m
Seattle/Tacoma Intl
Sat 2/21
7:10 am-9:30 am
Nonstop2h 20m
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Sun 3/22
6:00 am-8:16 am
Nonstop2h 16m
Seattle/Tacoma Intl
Wed 4/29
11:45 am-2:05 pm
Nonstop2h 20m
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Sun 3/22
6:00 am-8:16 am
Nonstop2h 16m
Seattle/Tacoma Intl
Thu 4/23
9:20 pm-11:37 pm
Nonstop2h 17m
Best time to book a flight from USA to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from USA with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from the United States to Seattle
What is the cheapest month to book a flight from USA to Seattle?
Currently, March is the cheapest month in which you can book a flight from USA to Seattle (average of $43). Flying from USA to Seattle in July is currently the most expensive (average of $79). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from US to SEA?
Find hourly flight availability from USA to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.
It’s typically best to fly out from USA to Seattle in the evening. Doing so could potentially save you 15% on the flight price compared to flying in the morning, which is usually more expensive.
What is the cheapest day to fly from USA to Seattle?
Use this chart to determine the cheapest time to fly round-trip from USA to Seattle. Price data was last updated on January 24, 2026.
Travelers seeking maximum savings on their USA to Seattle flight should consider departing on Friday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from USA to Seattle
Explore weekly flight availability from USA to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 29, 2026.
The most flights from US0 to SEA are scheduled on a Thursday (101 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (31 on average).
How often are flights from the United States to Seattle delayed?
About 15% of weekly flights between United States and Seattle have experienced delays in the past year, with the average delay time being 148 minutes.
What is the most punctual flight time for the United States to Seattle flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on the United States to Seattle flights?
Over the last year, Spirit Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.
The best insider tips for theUnited States to Seattle flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your theUnited States to Seattle trip
Our travel experts
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated January 29, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and United Airlines from the United States to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Boarding
Comfort
Crew
Entertainment
Overall
Reviews
Anonymous,Dec 2025
SJC - SEA
Food
Boarding
Comfort
Crew
Entertainment
Overall
Reviews
Anonymous,Dec 2025
SJC - SEA
Food
Boarding
Comfort
Crew
Entertainment
Overall
Reviews
Anonymous,Dec 2025
SJC - SEA
Food
Boarding
Comfort
Crew
Entertainment
Overall
Reviews
Anonymous,Dec 2025
SJC - SEA
Food
Boarding
Comfort
Crew
Entertainment
Overall
Reviews
Anonymous,Dec 2025
SJC - SEA
Food
Boarding
Comfort
Crew
Entertainment
Overall
Reviews
Anonymous,Dec 2025
SJC - SEA
Related info for your journey
Find useful and relevant information for your journey from USA to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for USA to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from USA to Seattle
Discover the top 10 airlines that operate flights from USA to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$46 | Average$217 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$57 | Average$181 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$79 | Average$306 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$92 | Average$314 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$104 | Average$316 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$111 | Average$346 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$117 | Average$349 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$121 | Average$321 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$165 | Average$343 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$176 | Average$389 | FlexibilityNo cancel fee | On-time71% |