Cheap flights from Portland to Duluth from $209
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Duluth departing on 7/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Portland to Duluth
Cheap round-trip flights
Cheap one-way flights
Delta flights from Portland to Duluth
Our best Delta deals on Portland to Duluth flight tickets
United Airlines flights from Portland to Duluth
Our best United Airlines deals on Portland to Duluth flight tickets
See travel insights to Duluth from
How to get the cheapest flight ticket from Portland to Duluth
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Duluth?
The cheapest month to fly to Duluth from Portland is in October. Flight prices, which tend to average around $342, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Duluth from Portland during March instead. Flights to Duluth in March, while not as cheap as those in October, still average around $343.
What is the cheapest day to depart on your flight to Duluth?
The cheapest day to depart from Portland to Duluth is on a Saturday when prices can be found for as low as $364. On the other hand, Thursday is the most expensive day to depart from Portland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $520.
What is the cheapest time of day to depart on your flight to Duluth?
Flying to Duluth from Portland in the evening is the least expensive time of day to depart. momondo users have found prices as low as $392 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Duluth is at noon when prices are around $680.
Can stopping save me money on Portland to Duluth flights?
You could potentially save up to 24% on your flight if you consider stops on a Portland to Duluth flight.
When to book flights from Portland to Duluth
Cheap Portland to Duluth (PDX to DLH) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland to Duluth
How far is Portland to Duluth Intl by plane?
There are 1455.5 mi between Portland and Duluth Intl. Flights usually cover this in 4h 40m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Portland Airport to Duluth Intl Airport?
Prices for flights from Portland Airport to Duluth Intl Airport refresh daily.
How many operators does momondo search for flights from Portland Airport to Duluth Intl Airport?
There is 1 operator available for flights from Portland Airport to Duluth Intl Airport as of June 2025.
How old do you have to be to fly from Portland Airport to Duluth Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Duluth Intl Airport.
What documentation or ID do you need to fly to Duluth Intl Airport?
The required travel and health documents for your Duluth Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Duluth Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Portland to Duluth?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Portland to Duluth is Delta (100% of total bookings).
Best airlines flying from Portland to Duluth
Compare and see reviews for airlines that fly from Portland to Duluth with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $258 | Free Cancellation | Rating 8.0 7,946 reviews |
Traveling to a place near Duluth?
Book flights to Duluth if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Portland to Duluth?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Duluth for you.
Can I find flights from Portland to Duluth with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Duluth from Portland with this policy.
How can momondo help me find flights from Portland to Duluth?
momondo helps you find the best flight between Portland and Duluth by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Portland to Duluth right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Duluth, momondo offers a useful price alert feature which will track prices for flights to Duluth from Portland and alert you when they change.