Cheap flights from North America to Seattle from $40
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from North America to Seattle departing on 8/30. 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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How to get the cheapest flight ticket from North America to Seattle
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 Seattle?
In general, September is the cheapest month to fly from North America to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $337. If you don’t want to visit Seattle in September, then you should wait until October to fly from North America, when ticket prices are also cheap, with an average price of $351.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from North America is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $473. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from North America because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $565.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from North America in the evening is the least expensive time of day to depart. momondo users have found prices as low as $416 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $567. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest North America to Seattle/Tacoma Intl flight route?
Fly from Las Vegas Harry Reid Intl to Seattle/Tacoma Intl for the best North America - Seattle/Tacoma Intl flight prices
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from North America when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $420 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from North America for as low as $375 on momondo.
What cabin class options are available on North America to Seattle/Tacoma Intl flights?
There are 4 cabin classes available to choose from on North America to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from North America to Seattle/Tacoma Intl?
Frontier and Spirit Airlines are the most popular carriers operating from North America to Seattle/Tacoma Intl
What airlines fly to Seattle?
Alaska Airlines, Delta and Frontier are the top three most popular airlines that fly to Seattle from North America according to our data. Alaska Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 10 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
How many flights depart from North America to Seattle on average per day?
As of July 2025, there are 315 flights per day flying from North America to Seattle. The most common time of day flights depart is 6:00PM, with 42% of flights taking off at noon.
How many flights depart from North America to Seattle on average per week?
As of July 2025, there are 2,205 flights per week flying from North America to Seattle. The most common day of the week flights depart is Thu, with 25% of flights taking off on this day.
Cheap North America to Seattle flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from North America to Seattle
When did momondo last update prices for flights from North America to Seattle/Tacoma Intl Airport?
Prices for flights from North America to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from North America to Seattle/Tacoma Intl Airport?
As of July 2025, there are 10 operators available to choose from for flights from North America to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from North America to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from North America to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from North America to Seattle?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from North America to Seattle is Boeing 737-900 Passenger/BBJ3 (winglets) (17.78% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (17.25%), Boeing 737 MAX 9 (14.86%), and Boeing 737 (10.65%).
Best airlines flying from North America to Seattle
Compare and see reviews for airlines that fly from North America to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $38 | Free Cancellation | Rating 5.9 3,286 reviews | |||
| PriceFrom $41 | Free Cancellation | Rating 6.3 8,086 reviews | |||
| PriceFrom $97 | Free Cancellation | Rating 8.0 7,982 reviews | |||
| PriceFrom $103 | Free Cancellation | Rating 7.8 2,545 reviews | |||
| PriceFrom $116 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $118 | Free Cancellation | Rating 8.0 4,266 reviews | |||
| PriceFrom $127 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $139 | Free Cancellation | Rating 7.3 2,916 reviews | |||
| PriceFrom $157 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $173 | Free Cancellation | Rating 6.9 339 reviews |
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from North America to Seattle?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from North America to Seattle. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from North America to Seattle with flexible booking policies on momondo?
Flights from North America to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from North America to Seattle?
Once you have performed a search for North America to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from North America to Seattle right now. Can momondo alert me if prices change?
If you are not ready to book a flight from North America to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.