Cheap flights from Missouri to Seattle from $87
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Seattle departing on 5/28. 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 Missouri 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 Missouri to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $296. If you don’t want to visit Seattle in September, then you should wait until October to fly from Missouri, when ticket prices are also cheap, with an average price of $296.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Missouri is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $482. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Missouri because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $561.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Missouri in the evening is the least expensive time of day to depart. momondo users have found prices as low as $500 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $514. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Missouri to Seattle/Tacoma Intl flight route?
Fly from Lambert-St Louis to Seattle/Tacoma Intl for the best Missouri - 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 Missouri when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $366 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Missouri for as low as $305 on momondo.
What cabin class options are available on Missouri to Seattle/Tacoma Intl flights?
There are 4 cabin classes available to choose from on Missouri 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 Missouri to Seattle/Tacoma Intl?
Frontier, Delta, and Southwest are the most popular carriers operating from Missouri to Seattle/Tacoma Intl
What airlines fly to Seattle?
Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to Seattle from Missouri according to our data. Alaska Airlines is the first choice among our users, with 64% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 8 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 Missouri to Seattle on average per day?
As of April 2025, there are 8 flights per day flying from Missouri to Seattle. The most common time of day flights depart is 6:00AM, with 65% of flights taking off at noon.
How many flights depart from Missouri to Seattle on average per week?
61 flights are operational weekly from Missouri to Seattle as of April 2025. The most popular departure day for this route is Tue, with 38% of flights per week taking off on this day.
Cheap Missouri to Seattle flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Missouri to Seattle
When did momondo last update prices for flights from Missouri to Seattle/Tacoma Intl Airport?
Prices for flights from Missouri to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Missouri to Seattle/Tacoma Intl Airport?
There are 8 operators available for flights from Missouri to Seattle/Tacoma Intl Airport as of April 2025.
How old do you have to be to fly from Missouri to Seattle/Tacoma Intl Airport?
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 Missouri to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Missouri to Seattle?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Missouri to Seattle is Boeing 737 (34.96% of total bookings). The next most popular plane models are Boeing 737-900 Passenger/BBJ3 (winglets) (18.58%), Airbus A220-100 (15.90%), and Boeing 737-800 Passenger/BBJ2 (winglets) (12.00%).
Best airlines flying from Missouri to Seattle
Compare and see reviews for airlines that fly from Missouri to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $116 | Free Cancellation | Rating 5.9 3,283 reviews | |||
| PriceFrom $128 | Free Cancellation | Rating 7.9 2,392 reviews | |||
| PriceFrom $133 | Free Cancellation | Rating 6.3 7,940 reviews | |||
| PriceFrom $140 | Free Cancellation | Rating 8.0 7,920 reviews | |||
| PriceFrom $188 | Free Cancellation | Rating 8.0 4,286 reviews | |||
| PriceFrom $200 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $216 | Free Cancellation | Rating 7.4 8,684 reviews | |||
| PriceFrom $216 | Free Cancellation | Rating 8.0 9,906 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 Missouri to Seattle?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Missouri to Seattle. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Missouri to Seattle with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Missouri to Seattle flights to just show those with flexible booking policies.
How can momondo help me find flights from Missouri to Seattle?
Once you have performed a search for Missouri 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 Missouri to Seattle right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Missouri and alert you when they change.