$115+ Cheap flights from Des Moines to Seattle (DSM - 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Des Moines to Seattle with Cheapflights
1. Tell us where you want to go
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Des Moines to Seattle/Tacoma Intl are usually found in January or September, booked 66 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday
Cheap flight deals from Des Moines to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Des Moines (DSM) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.
Round-trip from | $251 (Mytrip) |
|---|---|
One-way from | $130 (Frontier) |
Popular in | December |
Cheapest in | January |
Average price | $506 |
Find flight deals from Des Moines to Seattle
Cheapest flights from Des Moines to SeattleExplore the most affordable flight options available from Des Moines to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
Explore the most affordable flight options available from Des Moines to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip 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 6/9. 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 American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Des Moines to Seattle 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Des Moines to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Sun 9/7
3:42 pm-3:53 pm
1 stop26h 11m
Seattle/Tacoma Intl
Wed 9/10
4:58 pm-3:48 pm
2 stops20h 50m
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Fri 8/15
7:33 pm-12:34 am
1 stop7h 01m
Seattle/Tacoma Intl
Mon 8/25
6:17 am-2:23 pm
1 stop6h 06m
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Tue 9/9
7:08 am-5:29 pm
1 stop12h 21m
Seattle/Tacoma Intl
Tue 9/23
6:05 am-6:29 pm
1 stop10h 24m
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Thu 8/14
6:50 pm-11:59 pm
1 stop7h 09m
Seattle/Tacoma Intl
Tue 8/19
11:54 pm-10:39 am
1 stop8h 45m
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Tue 9/9
12:15 pm-7:55 pm
1 stop9h 40m
Seattle/Tacoma Intl
Tue 9/23
11:10 pm-11:25 am
2 stops10h 15m
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Sat 9/13
3:30 pm-8:32 pm
1 stop7h 02m
Seattle/Tacoma Intl
Tue 9/16
6:05 am-2:08 pm
1 stop6h 03m
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Wed 8/6
2:45 pm-4:25 pm
1 stop27h 40m
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Fri 8/29
6:20 pm-12:34 am
1 stop8h 14m
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Wed 8/27
5:15 pm-9:17 pm
1 stop6h 02m
Des MoinesSeattle
DSM - SEA
DSMSEA
Des Moines
Tue 7/1
5:52 pm-11:53 pm
1 stop8h 01m
Best time to book a flight from Des Moines to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Des Moines with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Des Moines to Seattle
How far ahead should I book a flight from Des Moines to Seattle?
Use this chart to determine the optimal time to book a round-trip flight from Des Moines to Seattle. Price data was last updated on June 9, 2025.
To ensure you get the cheapest price possible for a flight from Des Moines to Seattle, you should look to book at least 66 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Des Moines to Seattle?
Currently, January is the cheapest month in which you can book a flight from Des Moines to Seattle (average of $238). Flying from Des Moines to Seattle in July is currently the most expensive (average of $391). 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 DSM to SEA?
Find hourly flight availability from Des Moines 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 June 12, 2025.
It’s optimal to fly from Des Moines to Seattle in the evening. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the morning.
What is the cheapest day to fly from Des Moines to Seattle?
Use this chart to determine the cheapest time to fly round-trip from Des Moines to Seattle. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Des Moines to Seattle flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Rainfall in Seattle by month
Plan your trip to Seattle by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.
Temperature in Seattle by month
Plan your trip to Seattle by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).
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 June 12, 2025.
To help decide which airline to fly from Des Moines to Seattle, see what other customers have to say about Southwest, Delta and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
John,May 2025
PVD - BNA
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
John,May 2025
PVD - BNA
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
John,May 2025
PVD - BNA
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
John,May 2025
PVD - BNA
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
John,May 2025
PVD - BNA
Food
Entertainment
Overall
Boarding
Comfort
Crew
Reviews
John,May 2025
PVD - BNA
Related info for your journey
Find useful and relevant information for your journey from Des Moines 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 Des Moines to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Des Moines to Seattle
Discover the top 6 airlines that operate flights from Des Moines 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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$120 | Average$256 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$296 | Average$407 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$297 | Average$417 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$316 | Average$494 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$336 | Average$489 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$486 | Average$598 | FlexibilityNo cancel fee | On-time75% |