Cheap Flights from Des Moines to Seattle
Browse current best options from Des Moines. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Des Moines
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Prices updated 24 days ago
486,190 searches this week
171 airlines compared
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Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
Today’s best flight deals from Des Moines to Seattle
Explore current cheapest deals departing from Des Moines to Seattle
Round trip
Sort by: Cheapest
September 13 - September 29
DSM - Seattle
$349
$231
Round trip
September 14 - September 29
DSM - Seattle
$350
$231
Round trip
September 28 - September 29
DSM - Seattle
$424
$231
Round trip
September 21 - September 29
DSM - Seattle
$388
$238
Round trip
September 11 - September 29
DSM - Seattle
$343
$239
Round trip
September 13 - October 6
DSM - Seattle
$344
$249
Round trip
September 13 - October 13
DSM - Seattle
$344
$249
Round trip
September 14 - October 13
DSM - Seattle
$345
$249
Round trip
September 28 - October 13
DSM - Seattle
$377
$249
Round trip
September 28 - October 6
DSM - Seattle
$406
$249
Round trip
Unlock all 500+ flight deals to Seattle and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
Insights for flights from Des Moines to Seattle
How much is a round trip from Des Moines to Seattle
Regular price: $298 - $695
Prices are currently below the regular range for flights from Des Moines to Seattle.
The regular price range for flights from Des Moines to Seattle is typically between $298 and $695. The current lowest deal is $231 with Allegiant Air, for travel from Sep 13-Sep 29.
now $231
Low $298
High $695
The cheapest time to fly from Des Moines to Seattle
The cheapest month to fly from Des Moines to Seattle is June, with a median price of $354. The most expensive month is July, with a median price of $719. Prices are generally lower from April to November.
June
Flights from $354
July
Flights from $719
Direct flights from Des Moines to Seattle
Frontier Airlines
Allegiant Air
United Airlines
American Airlines
Last-minute flights going from Des Moines to Seattle
Fri, Jun 26
DSM - Seattle
Des Moines (DSM) - Seattle (SEA)
Frontier Airlines
$505
$361
One-way
Fri, Jul 3
DSM - Seattle
Des Moines (DSM) - Seattle (SEA)
Frontier Airlines
$415
$311
One-way
Fri, Jul 3
DSM - Seattle
Des Moines (DSM) - Seattle (SEA)
Frontier Airlines
$444
$311
One-way
Sat, Jul 4
DSM - Seattle
Des Moines (DSM) - Seattle (SEA)
Deutsche Luft Hansa
$444
$352
One-way
Sat, Jul 4
DSM - Seattle
Des Moines (DSM) - Seattle (SEA)
Deutsche Luft Hansa
$444
$352
One-way
Mon, Jul 6
DSM - Seattle
Des Moines (DSM) - Seattle (SEA)
Frontier Airlines
$407
$290
One-way
Biggest price drops on these dates for flights from Des Moines to Seattle
Aug 31 - Sep 3
$550 → $283
49%
Aug 30 - Sep 3
$550 → $287
48%
Aug 26 - Aug 29
$550 → $296
46%
Aug 11 - Aug 20
$506 → $269
47%
Popular Airports to fly from Des Moines to Seattle
Des Moines - Seattle route insights
💸 Price insights
Recent fares are below the typical level.
Recent fares from Des Moines to Seattle are below the typical level, with deals around $231.
📅 Best time to fly
June is historically the cheapest month to fly.
Historically, June is the cheapest month to fly from Des Moines to Seattle, with a median price of $354.
⏱️ Flight duration
Flights are typically 15h 31m with 2 stopovers.
Flights from Des Moines to Seattle typically take 15h 31m, with an average of 2 stopovers.
✈️ Airlines & availability
Connecting flights are available from multiple airlines.
Connecting flights to Seattle are available from various airlines, including Frontier Airlines and Allegiant Air.
🏆 Airline highlight
Frontier Airlines offers 55 connecting deals.
Frontier Airlines has historically offered 55 connecting deals from Des Moines to Seattle.
🎯 Booking tip
Deals appear frequently, about once a day.
Deals for flights from Des Moines to Seattle appear frequently, about 0.93 times per day.
Des Moines main airports to depart from
Des Moines International (DSM)
Des Moines International Airport is a good option for flights from Des Moines to Seattle.
📍 ~8 km from Des Moines (reachable by car)
💸 Flights from ~$231
Seattle main airports to arrive at
Seattle–Tacoma International (SEA)
Seattle–Tacoma International Airport is a primary arrival option for flights to Seattle.
📍 ~20 km from Seattle (reachable by car)
💸 Flights from ~$231
Boeing Field (BFI)
Boeing Field offers an alternative arrival point for travelers heading to Seattle.
📍 ~8 km from Seattle (reachable by car)
💸 Flights from ~$621
Kenmore Air Harbor Seaplane Base (LKE)
Kenmore Air Harbor Seaplane Base provides a unique arrival experience in Seattle.
📍 ~3 km from Seattle (reachable by car)
💸 Flights from ~$921
Airports nearby Seattle used as alternative
Paine Field Everett (PAE)
Paine Field Everett offers a convenient alternative for North Seattle residents with shorter security wait times.
📍 ~35 km from Seattle (reachable by car)
💸 Flights from ~$435
Portland International (PDX)
Portland International is a major hub that rivals Seattle, often providing competitive fares for long-haul flights.
📍 ~230 km from Seattle (reachable by car, train)
💸 Flights from ~$181
Vancouver International (YVR)
Vancouver International is a major international gateway with extensive flight options, potentially offering lower international fares.
📍 ~200 km from Seattle (reachable by car)
💸 Flights from ~$433
Bellingham International (BLI)
Bellingham International is a primary low-cost carrier airport, often featuring budget-friendly fares.
📍 ~145 km from Seattle (reachable by car)
💸 Flights from ~$259
Abbotsford International (YXX)
Abbotsford International is an alternative low-cost gateway for Canadian domestic connections, occasionally offering cheaper flights.
📍 ~150 km from Seattle (reachable by car)
💸 Flights from ~$435
Business & First Class Flight Deals to Seattle
Discover luxury on the budget with premium cabin class on flights from Des Moines to Seattle.
Elite
Best Elite deals to Seattle
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From DSM
Elite
Aug 13
Seattle, United States
82% AI deal score
$1,742
$1,137
Save $605
From DSM
Elite
Aug 19
Seattle, United States
81% AI deal score
$1,482
$1,010
Save $472
From DSM
Elite
Oct 06
Seattle, United States
81% AI deal score
$1,625
$1,025
Save $600
From DSM
Elite
Jun 30
Seattle, United States
81% AI deal score
$1,571
$1,114
Save $457
From DSM
Elite
Jul 15
Seattle, United States
80% AI deal score
$1,455
$1,065
Save $390
From DSM
Elite
Oct 14
Seattle, United States
79% AI deal score
$1,666
$975
Save $691
From DSM
Elite
Jun 27
Seattle, United States
79% AI deal score
$1,607
$1,220
Save $387
From DSM
Elite
Jun 19
Seattle, United States
79% AI deal score
$1,681
$1,306
Save $375
From DSM
Elite
Sep 04
Seattle, United States
76% AI deal score
$1,548
$1,061
Save $487
From DSM
Elite
Jul 04
Seattle, United States
74% AI deal score
$1,455
$1,139
Save $316
From DSM
Elite
Jul 28
Seattle, United States
74% AI deal score
$1,454
$1,154
Save $300
From DSM
Elite
Jul 30
Seattle, United States
74% AI deal score
$1,521
$1,157
Save $364
From DSM
Elite
Oct 14
Seattle, United States
73% AI deal score
$1,200
$997
Save $203
From DSM
Elite
Aug 25
Seattle, United States
73% AI deal score
$1,185
$997
Save $188
From DSM
Elite
Oct 07
Seattle, United States
73% AI deal score
$1,191
$997
Save $194
From DSM
Elite
Aug 19
Seattle, United States
73% AI deal score
$1,187
$997
Save $190
From DSM
Elite
Nov 25
Seattle, United States
73% AI deal score
$1,181
$1,010
Save $171
From DSM
Elite
Oct 03
Seattle, United States
73% AI deal score
$1,197
$1,023
Save $174
From DSM
Elite
Oct 17
Seattle, United States
73% AI deal score
$1,207
$1,023
Save $184
From DSM
Elite
Oct 31
Seattle, United States
73% AI deal score
$1,209
$1,023
Save $186
From DSM
Elite
Oct 10
Seattle, United States
73% AI deal score
$1,197
$1,023
Save $174
From DSM
Elite
Jul 15
Seattle, United States
73% AI deal score
$1,451
$1,171
Save $280
From DSM
Elite
Jul 05
Seattle, United States
73% AI deal score
$1,424
$1,171
Save $253
From DSM
Elite
Jul 31
Seattle, United States
73% AI deal score
$1,488
$1,211
Save $277
From DSM
Elite
Sep 02
Seattle, United States
72% AI deal score
$1,124
$997
Save $127
From DSM
Elite
Sep 22
Seattle, United States
72% AI deal score
$1,147
$997
Save $150
From DSM
Elite
Nov 14
Seattle, United States
72% AI deal score
$1,187
$1,023
Save $164
From DSM
Elite
Nov 02
Seattle, United States
72% AI deal score
$1,187
$1,025
Save $162
From DSM
Elite
Nov 26
Seattle, United States
72% AI deal score
$1,181
$1,025
Save $156
From DSM
Elite
Aug 22
Seattle, United States
72% AI deal score
$1,183
$1,046
Save $137
From DSM
Elite
Nov 17
Seattle, United States
72% AI deal score
$1,187
$1,047
Save $140
From DSM
Elite
Nov 18
Seattle, United States
72% AI deal score
$1,187
$1,047
Save $140
From DSM
Elite
Dec 01
Seattle, United States
72% AI deal score
$1,247
$1,078
Save $169
From DSM
Elite
Dec 06
Seattle, United States
72% AI deal score
$1,247
$1,097
Save $150
From DSM
Elite
Oct 08
Seattle, United States
72% AI deal score
$1,473
$1,250
Save $223
From DSM
Elite
Jul 13
Seattle, United States
72% AI deal score
$1,452
$1,215
Save $237
From DSM
Elite
Sep 24
Seattle, United States
71% AI deal score
$1,147
$1,047
Save $100
From DSM
Elite
Sep 14
Seattle, United States
70% AI deal score
$1,119
$1,047
Save $72
From DSM
Elite
Nov 24
Seattle, United States
70% AI deal score
$1,181
$1,091
Save $90
From DSM
Elite
Aug 24
Seattle, United States
70% AI deal score
$1,183
$1,092
Save $91
From DSM
Elite
Jun 19
Seattle, United States
69% AI deal score
$3,943
$3,907
Save $36
From DSM
Elite
Jul 14
Seattle, United States
69% AI deal score
$1,127
$1,087
Save $40
From DSM
Elite
Sep 17
Seattle, United States
69% AI deal score
$1,119
$1,092
Save $27
From DSM
Elite
Jul 12
Seattle, United States
69% AI deal score
$1,452
$1,413
Save $39
From DSM
Elite
Jun 19
Seattle, United States
68% AI deal score
$3,906
From DSM
Elite
Jul 18
Seattle, United States
66% AI deal score
$1,400
$1,336
Save $64
From DSM
Elite
Jun 22
Seattle, United States
65% AI deal score
$1,502
From DSM
Elite
Jul 04
Seattle, United States
50% AI deal score
$1,445
From DSM
Elite
Jun 20
Seattle, United States
48% AI deal score
$3,905
From DSM
Elite
Aug 11
Seattle, United States
47% AI deal score
$3,905
From DSM
Elite
Sep 04
Seattle, United States
47% AI deal score
$3,905
From DSM
Elite
Aug 07
Seattle, United States
47% AI deal score
$3,906
From DSM
Elite
Sep 03
Seattle, United States
47% AI deal score
$3,906
From DSM
Elite
Sep 03
Seattle, United States
47% AI deal score
$3,906
From DSM
Elite
Aug 10
Seattle, United States
47% AI deal score
$3,906
From DSM
Elite
Aug 10
Seattle, United States
47% AI deal score
$3,906
From DSM
Elite
Aug 11
Seattle, United States
47% AI deal score
$3,906
From DSM
Elite
Sep 04
Seattle, United States
47% AI deal score
$3,907
From DSM
Elite
Sep 04
Seattle, United States
47% AI deal score
$3,907
From DSM
Elite
Sep 02
Seattle, United States
47% AI deal score
$3,907
From DSM
Elite
Sep 02
Seattle, United States
47% AI deal score
$3,907
From DSM
Elite
Aug 05
Seattle, United States
47% AI deal score
$3,907
From DSM
Elite
Sep 02
Seattle, United States
47% AI deal score
$3,910
From DSM
Elite
Sep 04
Seattle, United States
47% AI deal score
$3,925
From DSM
Elite
Aug 13
Seattle, United States
46% AI deal score
$3,689
From DSM
Elite
Aug 11
Seattle, United States
46% AI deal score
$3,689
From DSM
Elite
Aug 07
Seattle, United States
46% AI deal score
$3,689
From DSM
Elite
Aug 12
Seattle, United States
46% AI deal score
$3,689
From DSM
Elite
Aug 21
Seattle, United States
46% AI deal score
$3,690
From DSM
Elite
Aug 20
Seattle, United States
46% AI deal score
$3,690
From DSM
Elite
Aug 05
Seattle, United States
46% AI deal score
$3,690
From DSM
Elite
Aug 10
Seattle, United States
46% AI deal score
$3,690
From DSM
Elite
Jul 30
Seattle, United States
46% AI deal score
$3,690
From DSM
Elite
Aug 07
Seattle, United States
46% AI deal score
$3,905
From DSM
Elite
Aug 07
Seattle, United States
46% AI deal score
$3,905
From DSM
Elite
Aug 11
Seattle, United States
46% AI deal score
$3,905
From DSM
Elite
Aug 13
Seattle, United States
46% AI deal score
$3,905
From DSM
Elite
Aug 07
Seattle, United States
46% AI deal score
$3,905
From DSM
Elite
Jul 08
Seattle, United States
46% AI deal score
$3,905
From DSM
Elite
Jul 09
Seattle, United States
46% AI deal score
$3,905
From DSM
Elite
Jul 08
Seattle, United States
46% AI deal score
$3,905
From DSM
Elite
Jul 30
Seattle, United States
46% AI deal score
$3,905
From DSM
Elite
Aug 13
Seattle, United States
46% AI deal score
$3,906
From DSM
Elite
Aug 05
Seattle, United States
46% AI deal score
$3,906
From DSM
Elite
Aug 05
Seattle, United States
46% AI deal score
$3,907
From DSM
Elite
Aug 05
Seattle, United States
46% AI deal score
$3,907
From DSM
Elite
Aug 11
Seattle, United States
46% AI deal score
$3,925
From DSM
Elite
Aug 13
Seattle, United States
46% AI deal score
$3,925
From DSM
Elite
Jul 19
Seattle, United States
46% AI deal score
$3,925
From DSM
Elite
Aug 07
Seattle, United States
46% AI deal score
$3,926
From DSM
Elite
Aug 05
Seattle, United States
46% AI deal score
$3,927
From DSM
Elite
Sep 04
Seattle, United States
46% AI deal score
$1,381
From DSM
Elite
Aug 08
Seattle, United States
45% AI deal score
$3,689
From DSM
Elite
Aug 07
Seattle, United States
45% AI deal score
$3,905
From DSM
Elite
Aug 05
Seattle, United States
45% AI deal score
$3,905
From DSM
Elite
Aug 11
Seattle, United States
45% AI deal score
$3,906
From DSM
Elite
Aug 05
Seattle, United States
45% AI deal score
$3,906
From DSM
Elite
Aug 07
Seattle, United States
45% AI deal score
$3,906
From DSM
Elite
Aug 05
Seattle, United States
45% AI deal score
$3,906
From DSM
Elite
Aug 07
Seattle, United States
45% AI deal score
$3,906