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

Direct flights offer convenience by minimizing travel time and avoiding layovers, but they are not always the most budget-friendly choice. Flights with one or more connections can sometimes be significantly cheaper. Consider your priorities for cost versus travel time when making your decision.

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

Yes, being flexible with your travel dates can often lead to finding more affordable flights. Prices can vary significantly depending on the day of the week or specific dates. Adjusting your departure or return by a few days may unlock 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 carry-on bags or 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 7 days ago

482 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Oct 26, 2026.)

Today’s best flight deals from Des Moines to Seattle

Explore current cheapest deals departing from Des Moines to Seattle

2026-12-03 – 2026-12-09
DSM - Seattle
82% AI deal score
$403
$239
Round trip
2027-02-08 – 2027-02-24
DSM - Seattle
69% AI deal score
$321
$285
Round trip
2027-01-10 – 2027-02-03
DSM - Seattle
66% AI deal score
$300
$286
Round trip
2027-01-17 – 2027-02-03
DSM - Seattle
67% AI deal score
$310
$286
Round trip
2027-01-21 – 2027-02-03
DSM - Seattle
67% AI deal score
$319
$295
Round trip
2027-01-07 – 2027-02-03
DSM - Seattle
49% AI deal score
$300
$297
Round trip
2026-12-10 – 2026-12-17
DSM - Seattle
81% AI deal score
$402
$303
Round trip
2027-01-24 – 2027-02-03
DSM - Seattle
67% AI deal score
$329
$305
Round trip
2027-01-25 – 2027-02-03
DSM - Seattle
68% AI deal score
$341
$305
Round trip
2027-02-08 – 2027-02-10
DSM - Seattle
68% AI deal score
$350
$309
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 13h 3m, including connections. This reflects the reality that most itineraries on this route involve at least one stopover, often two. Given the distance, it's common for travelers to experience longer overall travel times when flying from Des Moines to Seattle.

If you are looking for cheap flights from Des Moines to Seattle, the fares right now are above the typical level. Over a 90-day window, fares typically range from $445–$855, with a median of $681. Currently, about 18% of recent fares are classified as a good price, indicating that finding a lower fare is possible but not always common.

When is the cheapest time to fly from Des Moines to Seattle? The data indicates that December is often the most affordable month, with a median fare of $434. Other cost-effective options include September and January, both showing a median fare of $437. Planning your trip during these months could lead to significant savings.

Most itineraries from Des Moines to Seattle connect at least once. In fact, 0% of recent fares over a 90-day window 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. New deals for this route show up several times a week, so keeping an eye on prices can be beneficial.

The distance between Des Moines and Seattle is 2351 km. This classifies the route as a medium-haul flight. Medium-haul routes typically involve longer flight times and often include connections, as is the case with flights from Des Moines to Seattle.

How much is a round trip from Des Moines to Seattle

Regular price: $259 - $584

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

The regular price range for flights from Des Moines to Seattle is between $259 and $584. The current lowest deal is $285 with Frontier Airlines for travel from Jan 10-Feb 3.

now $285

Low $259

High $584

The cheapest time to fly from Des Moines to Seattle

The cheapest month to fly from Des Moines to Seattle is December, with a median price of $432. The most expensive month is July, with a median price of $868. Prices are generally lower from January to December.

December

Cheapest

Flights from $432

July

Most Expensive

Flights from $868

Jan

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Des Moines to Seattle

Frontier Airlines

Allegiant Air

United Airlines

American Airlines

Last-minute flights going from Des Moines to Seattle

Mon, Nov 23

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

Allegiant Air, Frontier Airlines

$356

$318

One-way

Sun, Dec 13

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

Allegiant Air, Frontier Airlines

$337

$365

One-way

Thu, Dec 17

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

Frontier Airlines

$338

$408

One-way

Thu, Dec 31

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

Frontier Airlines

$369

$335

One-way

Thu, Dec 31

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

Frontier Airlines

$352

$346

One-way

Thu, Dec 31

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

Frontier Airlines

$356

$353

One-way

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

3 nights

Apr 23 - Apr 26

$643 → $476

26%

7 nights

Dec 10 - Dec 17

$402 → $304

24%

2 nights

Feb 8 - Feb 10

$350 → $309

12%

9 nights

Nov 23 - Dec 2

$356 → $316

11%

Popular Airports to fly from Des Moines to Seattle

Des Moines - Seattle route insights

💸 Price insights

Recent fares are above the typical level

Recent fares for Des Moines to Seattle are above the typical level, with 18% considered good deals.

📅 Best time to fly

Fly in December for prices below $434

Historically, December, September, and January offer the lowest median prices for this route.

⏱️ Flight duration

Connecting flights average 13h 3m

Flights from Des Moines to Seattle typically involve connections, with a median duration of 13h 3m.

✈️ Airlines & availability

Connecting flights are dominant

This route is connecting-dominant, with no direct flights available in the last 90 days.

🏆 Airline highlight

Frontier Airlines offers deals

Frontier Airlines has 50 deals, including a recent one for $285 from Des Moines to Seattle.

🎯 Booking tip

Deals appear regularly

Deals for flights from Des Moines to Seattle appear regularly, offering frequent opportunities to save.

Des Moines main airports to depart from

Des Moines International (DSM)

Cheapest

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 ~$274

Seattle main airports to arrive at

Seattle–Tacoma International (SEA)

Cheapest

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

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

💸 Flights from ~$187

Airports nearby Seattle used as alternative

Paine Field Everett (PAE)

Paine Field Everett can be a useful alternative for travelers located in North Seattle or Snohomish County.

📍 ~30 km from Seattle (reachable by car)

💸 Flights from ~$619

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 28

Seattle, United States

71% AI deal score

$4,540

$3,982

Save $558

Alaska Airlines, Inc.

Business Class

From DSM

Elite

Oct 28

Seattle, United States

71% AI deal score

$4,687

$3,982

Save $705

Alaska Airlines, Inc.

Business Class

From DSM

Elite

Nov 01

Seattle, United States

70% AI deal score

$4,305

$3,981

Save $324

Alaska Airlines, Inc.

Business Class

From DSM

Elite

Oct 28

Seattle, United States

70% AI deal score

$4,423

$3,982

Save $441

Alaska Airlines, Inc.

Business Class

From DSM

Elite

Nov 01

Seattle, United States

69% AI deal score

$4,125

$3,981

Save $144

Alaska Airlines, Inc.

Business Class

From DSM

Elite

Dec 09

Seattle, United States

65% AI deal score

$2,901

WestJet, +1

Business Class

From DSM

Elite

Nov 25

Seattle, United States

50% AI deal score

$2,860

WestJet, +1

Business Class

From DSM

Elite

Nov 25

Seattle, United States

50% AI deal score

$2,901

WestJet, +1

Business Class

From DSM

Elite

Dec 16

Seattle, United States

50% AI deal score

$2,965

WestJet, +1

Business Class

From DSM

Elite

Dec 09

Seattle, United States

50% AI deal score

$3,025

WestJet, +1

Business Class

From DSM

Elite

Dec 14

Seattle, United States

50% AI deal score

$3,047

WestJet, +1

Business Class

From DSM

Elite

Dec 17

Seattle, United States

50% AI deal score

$3,051

WestJet, +1

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 discover better deals. Looking into flights during the off-peak season often yields lower fares.

Booking flights in advance, often several weeks to a few months before your desired departure, can sometimes result in lower prices. However, prices can fluctuate, so monitoring fares over time may help you identify optimal booking windows. Mid-week bookings are also sometimes associated with better deals.

Comparing nearby airports can sometimes offer more flight options or different pricing. While it may add to your travel time, checking alternative departure or arrival locations could potentially lead to savings. Always weigh the cost savings against the convenience of your preferred airport.

Related routes

More routes from Des Moines

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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: $259 - $584

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

The regular price range for flights from Des Moines to Seattle is between $259 and $584. The current lowest deal is $285 with Frontier Airlines for travel from Jan 10-Feb 3.

now $285

Low $259

High $584

The cheapest time to fly from Des Moines to Seattle

December

Cheapest

Flights from $432

July

Most Expensive

Flights from $868

Jan

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Des Moines to Seattle

Frontier Airlines

Allegiant Air

United Airlines

American Airlines

Last-minute flights going from Des Moines to Seattle

Mon, Nov 23

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

Allegiant Air, Frontier Airlines

$356

$318

One-way

Sun, Dec 13

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

Allegiant Air, Frontier Airlines

$337

$365

One-way

Thu, Dec 17

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

Frontier Airlines

$338

$408

One-way

Thu, Dec 31

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

Frontier Airlines

$369

$335

One-way

Thu, Dec 31

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

Frontier Airlines

$352

$346

One-way

Thu, Dec 31

⌛ Last-Minute

DSM - Seattle

Des Moines (DSM) - Seattle (SEA)

Frontier Airlines

$356

$353

One-way

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

3 nights

Apr 23 - Apr 26

$643 → $476

26%

7 nights

Dec 10 - Dec 17

$402 → $304

24%

2 nights

Feb 8 - Feb 10

$350 → $309

12%

9 nights

Nov 23 - Dec 2

$356 → $316

11%

Popular Airports to fly from Des Moines to Seattle

Des Moines - Seattle route insights

💸 Price insights

Recent fares are above the typical level

Recent fares for Des Moines to Seattle are above the typical level, with 18% considered good deals.

📅 Best time to fly

Fly in December for prices below $434

Historically, December, September, and January offer the lowest median prices for this route.

⏱️ Flight duration

Connecting flights average 13h 3m

Flights from Des Moines to Seattle typically involve connections, with a median duration of 13h 3m.

✈️ Airlines & availability

Connecting flights are dominant

This route is connecting-dominant, with no direct flights available in the last 90 days.

🏆 Airline highlight

Frontier Airlines offers deals

Frontier Airlines has 50 deals, including a recent one for $285 from Des Moines to Seattle.

🎯 Booking tip

Deals appear regularly

Deals for flights from Des Moines to Seattle appear regularly, offering frequent opportunities to save.

Des Moines main airports to depart from

Des Moines International (DSM)

Cheapest

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 ~$274

Seattle main airports to arrive at

Seattle–Tacoma International (SEA)

Cheapest

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

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

💸 Flights from ~$187

Airports nearby Seattle used as alternative

Paine Field Everett (PAE)

Paine Field Everett can be a useful alternative for travelers located in North Seattle or Snohomish County.

Seattle, United States

65% AI deal score

$2,901

WestJet, +1

Business Class

From DSM

Elite

Nov 25

Seattle, United States

50% AI deal score

$2,860

WestJet, +1

Business Class

From DSM

Elite

Nov 25

Seattle, United States

50% AI deal score

$2,901

WestJet, +1

Business Class

From DSM

Elite

Dec 16

Seattle, United States

50% AI deal score

$2,965

WestJet, +1

Business Class

From DSM

Elite

Dec 09

Seattle, United States

50% AI deal score

$3,025

WestJet, +1

Business Class

From DSM

Elite

Dec 14

Seattle, United States

50% AI deal score

$3,047

WestJet, +1

Business Class

From DSM

Elite

Dec 17

Seattle, United States

50% AI deal score

$3,051

WestJet, +1

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 above the typical level

Fly in December for prices below $434

Connecting flights average 13h 3m

Connecting flights are dominant

Frontier Airlines offers deals

Deals appear regularly

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 28

Oct 28

Nov 01

Oct 28

Nov 01

Dec 09

Nov 25

Nov 25

Dec 16

Dec 09

Dec 14

Dec 17

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 above the typical level

Fly in December for prices below $434

Connecting flights average 13h 3m

Connecting flights are dominant

Frontier Airlines offers deals

Deals appear regularly

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 28

Oct 28

Nov 01

Oct 28

Nov 01

Dec 09

Nov 25

Nov 25

Dec 16

Dec 09

Dec 14

Dec 17

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?