Are direct flights from Des Moines to Seattle always the best option?

Direct flights offer convenience by reducing travel time and avoiding layovers. However, connecting flights can sometimes be more budget-friendly, depending on the route and time of year. Consider your priorities for cost versus travel duration.

Can flexible travel dates help on Des Moines to Seattle flights?

Being flexible with your travel dates can significantly impact flight prices. Flying on weekdays or during off-peak seasons often results in lower fares compared to weekends or holidays. Adjusting your departure or return by a few days may reveal better deals.

What extra costs should I check before booking Des Moines to Seattle flights?

Before booking, always check for potential extra costs such as baggage fees, seat selection charges, and in-flight services. Some airlines may also charge for printing boarding passes at the airport. Factor these into your total travel budget.

Flights From Des Moines

To Seattle

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

RatePunk searches hundreds of travel sites at once for deals on flights to Seattle

Prices updated today

462 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Sep 15, 2026.)

Today’s best flight deals from Des Moines to Seattle

Explore current cheapest deals departing from Des Moines to Seattle

2026-10-19 – 2026-10-22
DSM - Seattle
84% AI deal score
$424
$224
Round trip
2026-12-08 – 2026-12-15
DSM - Seattle
85% AI deal score
$418
$248
Round trip
2026-10-05 – 2026-10-22
DSM - Seattle
76% AI deal score
$349
$268
Round trip
2026-10-26 – 2026-11-04
DSM - Seattle
78% AI deal score
$384
$279
Round trip
2026-10-30 – 2026-11-04
DSM - Seattle
79% AI deal score
$417
$281
Round trip
2026-10-26 – 2026-11-05
DSM - Seattle
76% AI deal score
$371
$296
Round trip
2026-10-26 – 2026-11-03
DSM - Seattle
76% AI deal score
$387
$303
Round trip
2026-10-30 – 2026-11-03
DSM - Seattle
77% AI deal score
$424
$305
Round trip
2026-11-07 – 2026-11-09
DSM - Seattle
76% AI deal score
$391
$307
Round trip
2026-10-19 – 2026-11-05
DSM - Seattle
69% AI deal score
$350
$307
Round trip

Des Moines to Seattle: Overview

Insights for flights from Des Moines to Seattle

A typical journey from Des Moines to Seattle takes about 6h 10m, including connections. This route is classified as medium-haul, covering a distance of 2351 km. Given that most itineraries on this route involve connections, this duration reflects the overall travel time you can expect.

For travelers seeking cheap flights from Des Moines to Seattle, right now fares are below the typical level. Prices for this route typically range from $430–$726, with a median of $562. Currently, about 16% of recent fares are considered a good price. New deals appear almost daily, offering frequent opportunities to find favorable pricing.

When is the cheapest time to fly from Des Moines to Seattle? The data indicates that June is the cheapest month to fly, with a median fare of $354. Other relatively inexpensive months include April and September, both with median fares of $457. Planning your trip during these months could lead to significant savings.

Most itineraries for flights from Des Moines to Seattle connect at least once. In fact, 0% of recent fares were for direct flights from Des Moines to Seattle. For connecting itineraries, the typical number of stopovers is 2, which contributes to the overall journey time.

How much is a round trip from Des Moines to Seattle

Regular price: $315 - $705

Prices for flights from Des Moines to Seattle are currently below the regular range.

The regular price range for flights from Des Moines to Seattle is $315 to $705. The current lowest deal is $296 with Allegiant Air for travel from Oct 26-Nov 5.

now $296

Low $315

High $705

The cheapest time to fly from Des Moines to Seattle

The cheapest month to fly from Des Moines to Seattle is January, with a median price of $366. The most expensive month is April, with a median price of $945. Prices are generally lower from January to December.

January

Cheapest

Flights from $366

April

Most Expensive

Flights from $945

Jan

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Des Moines to Seattle

Frontier Airlines

Allegiant Air

United Airlines

Deutsche Luft Hansa

Last-minute flights going from Des Moines to Seattle

Fri, Sep 18

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

Frontier Airlines

$619

$429

One-way

Thu, Oct 1

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

American Airlines

$448

$352

One-way

Fri, Oct 2

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

Frontier Airlines

$444

$340

One-way

Mon, Oct 5

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

$388

$266

One-way

Mon, Oct 5

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

$384

$266

One-way

Mon, Oct 5

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

$362

$266

One-way

Biggest price drops on these dates for flights from Des Moines to Seattle

9 nights

Mar 8 - Mar 17

$930 → $416

55%

7 nights

Mar 1 - Mar 8

$941 → $457

51%

2 nights

Sep 18 - Sep 20

$619 → $429

31%

1 night

Dec 8 - Dec 9

$435 → $249

43%

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 at $296.

📅 Best time to fly

Cheapest months: June, April, September

Historically, the cheapest months to fly are June ($354), April ($457), and September ($457).

⏱️ Flight duration

Connecting flights average 6h 10m

Flights from Des Moines to Seattle typically involve connecting, with a median duration of 6h 10m.

✈️ Airlines & availability

Connecting flights are dominant

Historically, 0% of recent fares from Des Moines to Seattle were for direct flights.

🏆 Airline highlight

Frontier Airlines has 37 direct deals

Frontier Airlines has 37 direct deals available for flights from Des Moines to Seattle.

🎯 Booking tip

Deals are frequent

Deals on flights from Des Moines to Seattle are frequent, appearing often in a 30-day window.

Des Moines main airports to depart from

Des Moines International (DSM)

Cheapest

Des Moines International Airport is a convenient departure point for flights to Seattle.

📍 ~8 km from Des Moines (reachable by car)

💸 Flights from ~$258

Seattle main airports to arrive at

Seattle–Tacoma International (SEA)

Cheapest

Seattle–Tacoma International Airport is a convenient arrival option for flights from Des Moines to Seattle.

📍 ~18 km from Seattle city center (reachable by car)

💸 Flights from ~$260

Airports nearby Seattle used as alternative

Paine Field Everett (PAE)

Paine Field Everett is a practical alternative for travelers in North Seattle or Snohomish County.

📍 ~30 km from Seattle (reachable by car)

💸 Flights from ~$627

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

Oct 07

Seattle, United States

81% AI deal score

$1,390

$989

Save $401

United Airlines

Business Class

From DSM

Elite

Nov 03

Seattle, United States

74% AI deal score

$1,382

$1,077

Save $305

United Airlines

Business Class

From DSM

Elite

Oct 26

Seattle, United States

74% AI deal score

$1,423

$1,101

Save $322

United Airlines

Business Class

From DSM

Elite

Oct 09

Seattle, United States

73% AI deal score

$1,308

$1,096

Save $212

United Airlines

Business Class

From DSM

Elite

Sep 23

Seattle, United States

73% AI deal score

$1,545

$1,242

Save $303

United Airlines

Business Class

From DSM

Elite

Dec 02

Seattle, United States

72% AI deal score

$1,375

$1,163

Save $212

United Airlines

Business Class

From DSM

Elite

Nov 01

Seattle, United States

72% AI deal score

$1,386

$1,177

Save $209

United Airlines

Business Class

From DSM

Elite

Jan 06

Seattle, United States

71% AI deal score

$1,212

$1,090

Save $122

United Airlines

Business Class

From DSM

Elite

Oct 06

Seattle, United States

71% AI deal score

$1,311

$1,160

Save $151

United Airlines

Business Class

From DSM

Elite

Oct 07

Seattle, United States

71% AI deal score

$1,364

$1,203

Save $161

United Airlines

Business Class

From DSM

Elite

Sep 21

Seattle, United States

70% AI deal score

$4,199

$3,886

Save $313

Alaska Airlines, Inc.

Business Class

From DSM

Elite

Sep 21

Seattle, United States

70% AI deal score

$4,162

$3,886

Save $276

Alaska Airlines, Inc.

Business Class

Frequently Asked Questions About Flights to Seattle

To find more affordable flights, consider being flexible with your travel dates and times. Comparing prices across different airlines and booking sites can also help you identify better deals. Look out for sales or promotions that may be available.

Booking in advance often provides more options and potentially lower prices, especially for popular routes. However, last-minute deals can sometimes appear, so it's wise to monitor prices if your travel dates are flexible. Mid-week bookings may also offer some advantages.

Comparing nearby airports can sometimes reveal alternative flight options or different pricing. While it may add to your ground travel, the potential savings on airfare could make it a worthwhile consideration. Always factor in the total cost and travel time.

Related routes

More routes from Des Moines

Flights from Des Moines to Amsterdam Flights from Des Moines to Athens Flights from Des Moines to Bangkok Flights from Des Moines to Beijing Flights from Des Moines to Chicago Flights from Des Moines to Copenhagen Flights from Des Moines to Denver Flights from Des Moines to Dubai Flights from Des Moines to Edinburgh Flights from Des Moines to Syracuse Flights from Des Moines to Toronto Flights from Des Moines to Zürich

Flights to Seattle from other cities

Flights from Detroit to Seattle Flights from Dubai to Seattle Flights from Fairbanks to Seattle Flights from Fayetteville to Seattle Flights from Fresno to Seattle Flights from Honolulu to Seattle Flights from Houston to Seattle Flights from Hyderabad to Seattle Flights from Indianapolis to Seattle Flights from Istanbul to Seattle Flights from Las Vegas to Seattle Flights from Spokane to Seattle

Des Moines to Seattle: Overview

Insights for flights from Des Moines to Seattle

How much is a round trip from Des Moines to Seattle

Regular price: $315 - $705

Prices for flights from Des Moines to Seattle are currently below the regular range.

The regular price range for flights from Des Moines to Seattle is $315 to $705. The current lowest deal is $296 with Allegiant Air for travel from Oct 26-Nov 5.

now $296

Low $315

High $705

The cheapest time to fly from Des Moines to Seattle

January

Cheapest

Flights from $366

April

Most Expensive

Flights from $945

Jan

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Des Moines to Seattle

Frontier Airlines

Allegiant Air

United Airlines

Deutsche Luft Hansa

Last-minute flights going from Des Moines to Seattle

Fri, Sep 18

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

Frontier Airlines

$619

$429

One-way

Thu, Oct 1

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

American Airlines

$448

$352

One-way

Fri, Oct 2

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

Frontier Airlines

$444

$340

One-way

Mon, Oct 5

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

$388

$266

One-way

Mon, Oct 5

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

$384

$266

One-way

Mon, Oct 5

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

$362

$266

One-way

Biggest price drops on these dates for flights from Des Moines to Seattle

9 nights

Mar 8 - Mar 17

$930 → $416

55%

7 nights

Mar 1 - Mar 8

$941 → $457

51%

2 nights

Sep 18 - Sep 20

$619 → $429

31%

1 night

Dec 8 - Dec 9

$435 → $249

43%

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 at $296.

📅 Best time to fly

Cheapest months: June, April, September

Historically, the cheapest months to fly are June ($354), April ($457), and September ($457).

⏱️ Flight duration

Connecting flights average 6h 10m

Flights from Des Moines to Seattle typically involve connecting, with a median duration of 6h 10m.

✈️ Airlines & availability

Connecting flights are dominant

Historically, 0% of recent fares from Des Moines to Seattle were for direct flights.

🏆 Airline highlight

Frontier Airlines has 37 direct deals

Frontier Airlines has 37 direct deals available for flights from Des Moines to Seattle.

🎯 Booking tip

Deals are frequent

Deals on flights from Des Moines to Seattle are frequent, appearing often in a 30-day window.

Des Moines main airports to depart from

Des Moines International (DSM)

Cheapest

Des Moines International Airport is a convenient departure point for flights to Seattle.

📍 ~8 km from Des Moines (reachable by car)

💸 Flights from ~$258

Seattle main airports to arrive at

Seattle–Tacoma International (SEA)

Cheapest

Seattle–Tacoma International Airport is a convenient arrival option for flights from Des Moines to Seattle.

📍 ~18 km from Seattle city center (reachable by car)

💸 Flights from ~$260

Airports nearby Seattle used as alternative

Paine Field Everett (PAE)

Paine Field Everett is a practical alternative for travelers in North Seattle or Snohomish County.

Seattle, United States

70% AI deal score

$4,162

$3,886

Save $276

Alaska Airlines, Inc.

Business Class

Frequently Asked Questions About Flights to Seattle

Cheap Flights from Des Moines to Seattle

Today’s best flight deals from Des Moines to Seattle

Des Moines to Seattle: Overview

Insights for flights from Des Moines to Seattle

How much is a round trip from Des Moines to Seattle

The cheapest time to fly from Des Moines to Seattle

Direct flights from Des Moines to Seattle

Last-minute flights going from Des Moines to Seattle

Biggest price drops on these dates for flights from Des Moines to Seattle

Popular Airports to fly from Des Moines to Seattle

Des Moines - Seattle route insights

Recent fares are below the typical level

Cheapest months: June, April, September

Connecting flights average 6h 10m

Connecting flights are dominant

Frontier Airlines has 37 direct deals

Deals are frequent

Des Moines main airports to depart from

Seattle main airports to arrive at

Airports nearby Seattle used as alternative

Business & First Class Flight Deals to Seattle

Best Elite deals to Seattle

Oct 07

Nov 03

Oct 26

Oct 09

Sep 23

Dec 02

Nov 01

Jan 06

Oct 06

Oct 07

Sep 21

Sep 21

Frequently Asked Questions About Flights to Seattle

How can I find cheap flights from Des Moines to Seattle?

When should I book flights from Des Moines to Seattle?

Should I compare nearby airports for flights from Des Moines to Seattle?

Are direct flights from Des Moines to Seattle always the best option?

Can flexible travel dates help on Des Moines to Seattle flights?

What extra costs should I check before booking Des Moines to Seattle flights?

Related routes

More routes from Des Moines

Flights to Seattle from other cities

Des Moines to Seattle: Overview

Insights for flights from Des Moines to Seattle

How much is a round trip from Des Moines to Seattle

The cheapest time to fly from Des Moines to Seattle

Direct flights from Des Moines to Seattle

Last-minute flights going from Des Moines to Seattle

Biggest price drops on these dates for flights from Des Moines to Seattle

Popular Airports to fly from Des Moines to Seattle

Des Moines - Seattle route insights

Recent fares are below the typical level

Cheapest months: June, April, September

Connecting flights average 6h 10m

Connecting flights are dominant

Frontier Airlines has 37 direct deals

Deals are frequent

Des Moines main airports to depart from

Seattle main airports to arrive at

Airports nearby Seattle used as alternative

Business & First Class Flight Deals to Seattle

Best Elite deals to Seattle

Oct 07

Nov 03

Oct 26

Oct 09

Sep 23

Dec 02

Nov 01

Jan 06

Oct 06

Oct 07

Sep 21

Sep 21

Frequently Asked Questions About Flights to Seattle

How can I find cheap flights from Des Moines to Seattle?

When should I book flights from Des Moines to Seattle?

Should I compare nearby airports for flights from Des Moines to Seattle?