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Cheap flights from Seattle to the United States from $62

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to the United States departing on 10/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Frontier Logo
8:22 pm - 12:24 amSEA-PHX
3h 02mnonstop
Frontier Logo
6:00 am - 8:18 amPHX-SEA
3h 18mnonstop
$102Frontier
Find Deal
jue., nov. 6 - sáb., nov. 8
Frontier Logo
12:58 pm - 11:02 pmSEA-PHX
10h 04m1 stop
Frontier Logo
6:00 am - 8:18 amPHX-SEA
3h 18mnonstop
$103Frontier
Find Deal
vie., oct. 31 - jue., nov. 13
Delta Logo
7:10 am - 10:06 amSEA-PHX
2h 56mnonstop
Delta Logo
7:06 pm - 10:24 pmPHX-SEA
3h 18mnonstop
$105Delta
Find Deal
mié., oct. 22 - mié., oct. 22
Delta Logo
3:30 pm - 6:26 pmSEA-PHX
2h 56mnonstop
Delta Logo
1:45 pm - 4:56 pmPHX-SEA
3h 11mnonstop
$109Delta
Find Deal
mar., sep. 30 - mar., oct. 7
United Airlines Logo
7:37 pm - 9:50 pmSEA-SFO
2h 13mnonstop
United Airlines Logo
7:00 pm - 9:15 pmSFO-SEA
2h 15mnonstop
$141United Airlines
Find Deal
mar., sep. 30 - sáb., oct. 4
Alaska Airlines Logo
5:05 pm - 7:19 pmSEA-SFO
2h 14mnonstop
Alaska Airlines Logo
8:00 am - 10:20 amSFO-SEA
2h 20mnonstop
$142Alaska Airlines
Find Deal
mar., sep. 30 - mié., oct. 1
Alaska Airlines Logo
7:00 am - 1:32 pmSEA-SFO
6h 32m1 stop
Alaska Airlines Logo
7:54 pm - 10:15 pmSFO-SEA
2h 21mnonstop
$147Alaska Airlines
Find Deal
mar., sep. 30 - sáb., oct. 4
United Airlines Logo
7:00 am - 9:20 amSEA-SFO
2h 20mnonstop
United Airlines Logo
4:30 pm - 6:45 pmSFO-SEA
2h 15mnonstop
$165United Airlines
Find Deal
jue., sep. 25 - mar., sep. 30
American Airlines Logo
6:05 am - 7:54 pmSEA-JFK
10h 49m1 stop
American Airlines Logo
2:30 pm - 10:18 pmJFK-SEA
10h 48m1 stop
$228American Airlines
Find Deal
sáb., oct. 4 - mié., oct. 8
American Airlines Logo
3:00 pm - 9:02 pmSEA-ORD
4h 02mnonstop
American Airlines Logo
7:15 am - 9:49 amORD-SEA
4h 34mnonstop
$231American Airlines
Find Deal
vie., oct. 3 - jue., oct. 9

Frontier flights from Seattle to United States

Our best Frontier deals on Seattle to United States flight tickets
Frontier
Nov 6
SEA8:22 pmSeattle/Tacoma Intl
3h 02m
PHX12:24 amPhoenix Sky Harbor Intl
Nov 8
PHX6:00 amPhoenix Sky Harbor Intl
3h 18m
SEA8:18 amSeattle/Tacoma Intl
$102
Find similar
Frontier
Oct 31
SEA12:58 pmSeattle/Tacoma Intl
10h 04m
1 stop
PHX11:02 pmPhoenix Sky Harbor Intl
Nov 13
PHX6:00 amPhoenix Sky Harbor Intl
3h 18m
SEA8:18 amSeattle/Tacoma Intl
$103
Find similar
Frontier
Sep 25
SEA8:31 pmSeattle/Tacoma Intl
3h 00m
PHX11:31 pmPhoenix Sky Harbor Intl
Sep 29
PHX6:05 amPhoenix Sky Harbor Intl
3h 15m
SEA9:20 amSeattle/Tacoma Intl
$105
Find similar

Hawaiian Airlines flights from Seattle to United States

Our best Hawaiian Airlines deals on Seattle to United States flight tickets
Hawaiian Airlines
Oct 9
SEA7:00 amSeattle/Tacoma Intl
2h 16m
SFO9:16 amSan Francisco
Oct 12
SFO7:00 amSan Francisco
2h 10m
SEA9:10 amSeattle/Tacoma Intl
$137
Find similar
Hawaiian Airlines
Oct 4
SEA8:15 pmSeattle/Tacoma Intl
2h 14m
SFO10:29 pmSan Francisco
Oct 6
SFO7:00 amSan Francisco
2h 10m
SEA9:10 amSeattle/Tacoma Intl
$151
Find similar
Hawaiian Airlines
Oct 1
SEA11:30 amSeattle/Tacoma Intl
5h 27m
1 stop
SFO4:57 pmSan Francisco
Oct 8
SFO1:23 pmSan Francisco
5h 47m
1 stop
SEA7:10 pmSeattle/Tacoma Intl
$156
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to United States that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated septiembre 11, 2025.
Use the filters below to find and compare flights from Seattle to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

jue. 11/6

8:22 pm-12:24 am

Nonstop3h 02m

Phoenix Sky Harbor Intl

sáb. 11/8

6:00 am-8:18 am

Nonstop3h 18m

$102

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

vie. 10/31

12:58 pm-11:02 pm

1 stop10h 04m

Phoenix Sky Harbor Intl

jue. 11/13

6:00 am-8:18 am

Nonstop3h 18m

$103

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

mié. 10/22

7:10 am-10:06 am

Nonstop2h 56m

Phoenix Sky Harbor Intl

mié. 10/22

7:06 pm-10:24 pm

Nonstop3h 18m

$105

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

mar. 9/30

3:30 pm-6:26 pm

Nonstop2h 56m

Phoenix Sky Harbor Intl

mar. 10/7

1:45 pm-4:56 pm

Nonstop3h 11m

$109

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

mar. 9/30

7:37 pm-9:50 pm

Nonstop2h 13m

San Francisco

sáb. 10/4

7:00 pm-9:15 pm

Nonstop2h 15m

$141

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

mar. 9/30

5:05 pm-7:19 pm

Nonstop2h 14m

San Francisco

mié. 10/1

8:00 am-10:20 am

Nonstop2h 20m

$142

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

mar. 9/30

7:00 am-1:32 pm

1 stop6h 32m

San Francisco

sáb. 10/4

7:54 pm-10:15 pm

Nonstop2h 21m

$147

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

jue. 9/25

7:00 am-9:20 am

Nonstop2h 20m

San Francisco

mar. 9/30

4:30 pm-6:45 pm

Nonstop2h 15m

$165

SeattleNew York

SEA - JFK

SEAJFK

Seattle/Tacoma Intl

sáb. 10/4

6:05 am-7:54 pm

1 stop10h 49m

New York John F Kennedy Intl

mié. 10/8

2:30 pm-10:18 pm

1 stop10h 48m

$228

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

vie. 10/3

3:00 pm-9:02 pm

Nonstop4h 02m

Chicago O'Hare Intl

jue. 10/9

7:15 am-9:49 am

Nonstop4h 34m

$231

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United States from

How to get the cheapest flight ticket from Seattle to United States

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to United States?

In general, September is the cheapest month to fly from Seattle to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $312. If you aren’t able to travel during the month of September, then book flights to United States from Seattle during January instead. Flights to United States in January, while not as cheap as those in September, still average around $321.

What is the cheapest day to depart on your flight to United States?

According to our data, Wednesday is the cheapest day to fly to United States from Seattle. The lowest ticket price found for a Wednesday departure recently was $424. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $563. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

What is the cheapest time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is in the afternoon when flights can be purchased for as low as $378. Try not to purchase tickets in the morning because they tend to be around $504. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Seattle/Tacoma Intl to United States flight route?

Fly from Seattle/Tacoma Intl to Las Vegas Harry Reid Intl for the best Seattle/Tacoma Intl - United States flight prices

How far in advance should I book a flight to United States?

You are more likely to see cheaper flights to United States from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around $410 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from Seattle for as low as $329 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to United States flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to United States flights?

You could potentially save up to 8% on your flight if you consider stops on a Seattle to United States flight.

Cheap Seattle to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to United States

Best Price Found

$68

Fastest flight time

2h 08m

Direct flights

Every day

Airports in United States

1 airport
The best one-way flight to United States from Seattle in the past 72 hours is $68. The best round-trip flight deal from Seattle to United States found on momondo in the last 72 hours is $97.
The fastest flight from Seattle to United States takes 2h 08m
Direct flights go from Seattle to United States every day.
There is 1 airport near United States: San Francisco (SFO)
Search flight deals

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to United States?

    Prices for flights from Seattle/Tacoma Intl Airport to United States are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to United States?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to United States?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to United States.

  • What documentation or ID do you need to fly to United States?

    The required travel and health documents for your United States trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United States. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Seattle to United States?

Best airlines flying from Seattle to United States

Compare and see reviews for airlines that fly from Seattle to United States with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $45Free CancellationRating
5.8
3,177 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $45Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $78Free CancellationRating
7.8
2,723 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $97Free CancellationRating
7.9
7,960 reviews
Search Delta flights
United AirlinesPriceFrom $121Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
SouthwestPriceFrom $128Free CancellationRating
8.0
4,248 reviews
Search Southwest flights
JetBluePriceFrom $129Free CancellationRating
7.2
2,913 reviews
Search JetBlue flights
Alaska AirlinesPriceFrom $130Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
Sun Country AirPriceFrom $162Free CancellationRating
6.9
330 reviews
Search Sun Country Air flights
American AirlinesPriceFrom $166Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to United States?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to United States. momondo saves you time and could save you money on your trip.

Can I find flights from Seattle to United States with flexible booking policies on momondo?

Yes. All flights to United States from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to United States?

momondo helps you find the best flight between Seattle and United States by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to United States right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Seattle to United States flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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sáb. 10/11
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