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Cheap Flights from Portland (PDX) to Des Moines (DSM)

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Find the cheapest month or even day of the year to fly to Des Moines

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Flight deals from Portland to Des Moines

Looking for a cheap last-minute deal or the best return flight from Portland Airport to Des Moines Airport? If you want to travel next month, return fares start from $367. Find the lowest prices on one-way and return tickets right here.
Des Moines.$265 per passenger.Departing Thu, 16 Jul, returning Tue, 4 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Portland on Thu, 16 Jul, arriving in Des Moines.Inbound direct flight with Allegiant Air departs from Des Moines on Tue, 4 Aug, arriving in Portland.Price includes taxes and charges.From $265, select.
Des Moines.$311 per passenger.Departing Thu, 16 Jul, returning Sun, 19 Jul.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Portland on Thu, 16 Jul, arriving in Des Moines.Inbound direct flight with Allegiant Air departs from Des Moines on Sun, 19 Jul, arriving in Portland.Price includes taxes and charges.From $311, select.
Des Moines.$367 per passenger.Departing Thu, 6 Aug, returning Sun, 16 Aug.Return flight with Allegiant Air.Outbound direct flight with Allegiant Air departs from Portland on Thu, 6 Aug, arriving in Des Moines.Inbound direct flight with Allegiant Air departs from Des Moines on Sun, 16 Aug, arriving in Portland.Price includes taxes and charges.From $367, select.
Des Moines.$423 per passenger.Departing Thu, 10 Sep, returning Mon, 14 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Portland on Thu, 10 Sep, arriving in Des Moines.Inbound indirect flight with Frontier Airlines, departs from Des Moines on Mon, 14 Sep, arriving in Portland.Price includes taxes and charges.From $423, select.
Des Moines.$570 per passenger.Departing Fri, 16 Oct, returning Mon, 19 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Fri, 16 Oct, arriving in Des Moines.Inbound indirect flight with Delta, departs from Des Moines on Mon, 19 Oct, arriving in Portland.Price includes taxes and charges.From $570, select.
Des Moines.$642 per passenger.Departing Sat, 9 Jan, returning Sat, 23 Jan.Return flight with United.Outbound indirect flight with United, departs from Portland on Sat, 9 Jan, arriving in Des Moines.Inbound indirect flight with United, departs from Des Moines on Sat, 23 Jan, arriving in Portland.Price includes taxes and charges.From $642, select.
Des Moines.$644 per passenger.Departing Fri, 30 Oct, returning Sun, 1 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Portland on Fri, 30 Oct, arriving in Des Moines.Inbound indirect flight with Delta, departs from Des Moines on Sun, 1 Nov, arriving in Portland.Price includes taxes and charges.From $644, select.
Des Moines.$949 per passenger.Departing Tue, 22 Dec, returning Sat, 26 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Portland on Tue, 22 Dec, arriving in Des Moines.Inbound indirect flight with Southwest Airlines, departs from Des Moines on Sat, 26 Dec, arriving in Portland.Price includes taxes and charges.From $949, select.

Find the cheapest month to fly from Portland to Des Moines

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Portland to Des Moines flights are currently cheapest in July.
Jul
from $311
Aug
from $367
Sep
from $423
Oct
from $570
Nov
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Dec
from $949
Jan
from $642
Feb
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Mar
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Apr
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May
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Jun
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Direct flights from Portland to Des Moines

Portland to Des Moines: Alternative routes

Compare routes from Portland to Des Moines below. You may find an airport to fly into that's cheaper, faster, or easier than Des Moines.

Des Moines

8km from central Des Moines
ClosestCheapest
from $265
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Portland to Des Moines: Flight information

The things to know before you go.
Cheapest flight found$265
Cheapest month to flyJuly
Average flight time3 hrs, 21 mins
Most popular airlineAllegiant Air
Average flights per week3

Finding cheap flights from Portland to Des Moines: Frequently asked questions

The best price we found for a return flight from Portland to Des Moines is $265. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 21 minutes is the average flight time from Portland to Des Moines.
Allegiant Air flies direct from Portland to Des Moines.
As of July 2026, there are 3 flights per week flying from Portland to Des Moines.
The cheapest month to fly from Portland to Des Moines is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Portland Airport to Des Moines Airport on Thursday, 16 July 2026.
Yes – the average flight time is 3 hours and 21 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Des Moines but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Des Moines is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Allegiant Air offers the cheapest flight tickets to Des Moines.

Travelling from Portland Airport (PDX) to Des Moines Airport (DSM): what you need to know

  • Around 3 hours 20 minutes is how long you can expect to be in the air on a direct flight from Portland Airport to Des Moines Airport.

  • To ensure you catch your PDX to DSM flight, leave enough time to navigate the airport and find your gate. Turning up two hours before international departures and an hour before domestic flights is the general travel rule.

  • Flying during a peak month like July? Major public holidays and other popular seasons can mean longer queues and delays at check-in and security. Be extra cautious and arrive up to four hours before international flights and two hours before a domestic departure.

  • Allegiant Air offers direct flights from Portland Airport to Des Moines Airport. Book with this popular carrier, then get ready to see the sights in Des Moines — and maybe even more of the United States if you have time.

  • Most passengers choose to travel with Allegiant Air on this route.

  • Among carriers operating PDX to DSM flights, Allegiant Air has the best record for on-time arrivals.

  • If you'd like to include a stop along the way, just deselect 'Direct flights only' when searching for your ticket from Portland Airport to Des Moines Airport. These are the most popular stopovers between PDX and DSM:

    • Denver International Airport

    • Minneapolis St Paul Airport

    • Harry Reid International Airport

How to find the cheapest flights from Portland Airport (PDX) to Des Moines Airport (DSM)

  • $156 is the best price for a one-way Portland Airport to Des Moines Airport flight. A return flight starts from $265. These fares can change based on demand and availability.

  • To score cheap tickets from PDX to DSM, book as early as you can. Airlines tend to offer their most competitively priced fares when flights are first made available.

  • Organise your trip for May. That's the cheapest month for flights from Portland Airport to Des Moines Airport. If you're flexible with your travel dates, use the 'Whole month' tool to find the cheapest price across each month.

  • Never miss a deal on cheap flights from PDX to DSM by creating a Price Alert. You'll get an email or notification on the app when a new discounted fare appears.

  • Choose your ideal departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Portland Airport to Des Moines Airport.

Handy information about Portland Airport (PDX)

  • PDX's address is 7000 NE Airport Way.

  • Portland Airport scores high marks for on-time performance. 83% of flights that depart PDX arrive at their destination on time.

  • Central Portland to Portland Airport is approximately 19 kilometres. Depending on traffic, it'll take you about 20 minutes to get there if you're ride-sharing, catching a taxi or driving.

  • You can expect a journey time of about 40 minutes when using public transport.

  • Have an early flight from Portland Airport to Des Moines Airport? Avoid rushing to the airport (and sneak in some extra snooze time) by choosing one of these stays close to PDX:

Arriving at Des Moines Airport (DSM)

When to fly to Des Moines Airport (DSM)

  • It's time to work out your travel dates for your flight from Portland Airport to Des Moines Airport. August is the most popular month to visit Des Moines. If you want a more laid-back vibe, go in March.

  • When booking your flight from Portland Airport to Des Moines Airport, consider the kind of weather you enjoy. July is the warmest month in Des Moines, with the temperature ranging from 15ºC (59ºF) to 31ºC (88ºF).

  • Search for cheap tickets from PDX to DSM in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -13ºC (9ºF) and 2ºC (36ºF) on average.

Explore more of the United States

  • You've seen Des Moines, now it's time to discover more of the United States. Travel about 499 kilometres east to Chicago to check off its popular sights. From Millennium Park to Art Institute of Chicago and Willis Tower, your itinerary will be busy.

  • Around 499 kilometres east of Des Moines, Milwaukee is another favourite stop in the United States. Experience this destination's highlights firsthand at Richards Duplex Apartments by Frank Lloyd Wright, Miller Park and Milwaukee County Zoo.

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Plan the rest of your trip from Portland to Des Moines

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.