Cheap flights from Des Moines to Seattle from $115
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Des Moines to Seattle departing on 8/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Des Moines to Seattle
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Frontier flights from Des Moines to Seattle
Our best Frontier deals on Des Moines to Seattle flight tickets
American Airlines flights from Des Moines to Seattle
Our best American Airlines deals on Des Moines to Seattle flight tickets
See travel insights to Seattle from
How to get the cheapest flight ticket from Des Moines 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, January is the cheapest month to fly from Des Moines to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $379. If you don’t want to visit Seattle in January, then you should wait until September to fly from Des Moines, when ticket prices are also cheap, with an average price of $388.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Des Moines is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $406. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Des Moines because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $504.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Des Moines in the evening is the least expensive time of day to depart. momondo users have found prices as low as $394 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $476. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Des Moines when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $455 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Des Moines for as low as $334 on momondo.
What is the cheapest airline that flies from Des Moines to Seattle/Tacoma Intl?
Frontier, United Airlines, and Delta are the most popular carriers operating from Des Moines to Seattle/Tacoma Intl
What airlines fly to Seattle?
United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Seattle from Des Moines according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 6 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
When to book flights from Des Moines to Seattle
Cheap Des Moines to Seattle (DSM to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Des Moines to Seattle
How far is Des Moines to Seattle/Tacoma Intl by plane?
There are 1462.1 mi between Des Moines and Seattle/Tacoma Intl. Flights usually cover this in 5h 50m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Des Moines Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Des Moines Airport to Seattle/Tacoma Intl Airport were last updated today.
How many operators does momondo search for flights from Des Moines Airport to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Des Moines Airport to Seattle/Tacoma Intl Airport is 6 as of June 2025.
How old do you have to be to fly from Des Moines Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Des Moines Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Des Moines to Seattle?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Des Moines to Seattle is United Airlines (42% of total bookings). The next most popular airlines are American Airlines (22%), Delta (12%), and Southwest (11%).
Best airlines flying from Des Moines to Seattle
Compare and see reviews for airlines that fly from Des Moines to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $120 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $296 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $297 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $316 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $336 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $486 | Free Cancellation | Rating 8.0 10,000 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 Des Moines to Seattle?
Finding the right flight to Seattle from Des Moines is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.
Can I find flights from Des Moines to Seattle with flexible booking policies on momondo?
Yes. All flights to Seattle from Des Moines on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Des Moines to Seattle?
Once you have performed a search for Des Moines 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 Des Moines to Seattle right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Seattle from Des Moines. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.