App
Customer Support
IDR
Find Bookings
Trip.com
>
Cheap Flights
>
United States
>
Duluth
>
Flights from Seattle to Duluth
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Flights from Seattle to Duluth Starting at IDR 2,513,917

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • SEA09:15
        6h 5m
        1 stop
        DLH17:20
        Wed, Jan 29|Seattle - Duluth|Delta Air Lines
        IDR 2,513,917IDR 7,843,836
        68% OFF
        68% OFF
        IDR 7,843,836IDR 2,513,917

        Choose Delta Air Lines flights from Seattle to Duluth. The one-way connecting flight with Delta Air Lines departs from Seattle-Tacoma International Airport on Wed, Jan 29, arriving at Duluth International Airport. One-way Prices start from IDR 2,513,917 including taxes and charges.

      • SEA09:25
        5h 55m
        1 stop
        DLH17:20
        Tue, Jan 28|Seattle - Duluth|Delta Air Lines
        IDR 2,825,651IDR 7,843,836
        64% OFF
        64% OFF
        IDR 7,843,836IDR 2,825,651

        Choose Delta Air Lines flights from Seattle to Duluth. The one-way connecting flight with Delta Air Lines departs from Seattle-Tacoma International Airport on Tue, Jan 28, arriving at Duluth International Airport. One-way Prices start from IDR 2,825,651 including taxes and charges.

      • SEA15:34
        5h 28m
        1 stop
        DLH23:02
        Thu, Jan 30|Seattle - Duluth|Delta Air Lines
        IDR 3,014,919IDR 7,843,836
        62% OFF
        62% OFF
        IDR 7,843,836IDR 3,014,919

        Choose Delta Air Lines flights from Seattle to Duluth. The one-way connecting flight with Delta Air Lines departs from Seattle-Tacoma International Airport on Thu, Jan 30, arriving at Duluth International Airport. One-way Prices start from IDR 3,014,919 including taxes and charges.

      • SEA11:05
        8h 55m
        1 stop
        DLH22:00
        Tue, Jan 28|Seattle - Duluth|United Airlines
        IDR 3,475,841
        IDR 3,475,841

        Choose United Airlines flights from Seattle to Duluth. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Tue, Jan 28, arriving at Duluth International Airport. One-way Prices start from IDR 3,475,841 including taxes and charges.

      • SEA11:05
        8h 55m
        1 stop
        DLH22:00
        Thu, Jan 30|Seattle - Duluth|United Airlines
        IDR 3,662,881
        IDR 3,662,881

        Choose United Airlines flights from Seattle to Duluth. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Thu, Jan 30, arriving at Duluth International Airport. One-way Prices start from IDR 3,662,881 including taxes and charges.

      • SEA11:05
        8h 55m
        1 stop
        DLH22:00
        Wed, Jan 29|Seattle - Duluth|United Airlines
        IDR 4,105,990
        IDR 4,105,990

        Choose United Airlines flights from Seattle to Duluth. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Wed, Jan 29, arriving at Duluth International Airport. One-way Prices start from IDR 4,105,990 including taxes and charges.

      • SEA11:05
        8h 55m
        1 stop
        DLH22:00
        Sat, Jan 18|Seattle - Duluth|United Airlines
        IDR 4,317,524
        IDR 4,317,524

        Choose United Airlines flights from Seattle to Duluth. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Sat, Jan 18, arriving at Duluth International Airport. One-way Prices start from IDR 4,317,524 including taxes and charges.

      • SEA07:55
        12h 5m
        1 stop
        DLH22:00
        Wed, Jan 29|Seattle - Duluth|Alaska Airlines
        IDR 4,789,579
        IDR 4,789,579

        Choose Alaska Airlines flights from Seattle to Duluth. The one-way connecting flight with Alaska Airlines departs from Seattle-Tacoma International Airport on Wed, Jan 29, arriving at Duluth International Airport. One-way Prices start from IDR 4,789,579 including taxes and charges.

      • SEA18:00
        18h 25m
        1 stop
        DLH14:25
        Thu, Jan 30|Seattle - Duluth|Alaska Airlines
        IDR 4,809,619
        IDR 4,809,619

        Choose Alaska Airlines flights from Seattle to Duluth. The one-way connecting flight with Alaska Airlines departs from Seattle-Tacoma International Airport on Thu, Jan 30, arriving at Duluth International Airport. One-way Prices start from IDR 4,809,619 including taxes and charges.

      • SEA11:05
        8h 55m
        1 stop
        DLH22:00
        Tue, Jan 21|Seattle - Duluth|United Airlines
        IDR 5,246,048
        IDR 5,246,048

        Choose United Airlines flights from Seattle to Duluth. The one-way connecting flight with United Airlines departs from Seattle-Tacoma International Airport on Tue, Jan 21, arriving at Duluth International Airport. One-way Prices start from IDR 5,246,048 including taxes and charges.

      • SEA01:00 pm
        3h 5m
        Nonstop
        DLH02:00 pm
        Thu, Jan 23|Seattle - Duluth|Delta Air Lines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Seattle to Duluth

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Alternative Routes from Seattle to Duluth

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Seattle to Duluth.

  • Cheapest
    Delta Air Lines
    SEA
    09:15
    6h 5m
    1 transfer
    DLH
    17:20
    Seattle-Tacoma International Airport - Duluth International Airport
    Wed, Jan 29Delta Air Lines
    IDR 2,513,917
  • Delta Air Lines
    SEA
    09:15
    6h 5m
    1 transfer
    DLH
    17:20
    Seattle-Tacoma International Airport - Duluth International Airport
    Wed, Jan 29Delta Air Lines
    IDR 2,513,917
    Find More Flights

FAQ

  • When are flight tickets from Seattle (SEA) to Duluth (DLH) the cheapest?

    Airlines adjust prices for flights from Seattle to Duluth based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Seattle (SEA) to Duluth (DLH) cost?

    According to Trip.com's data, the lowest price is around IDR 8,835,448.

How to find a cheap flight from Seattle to Duluth

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Duluth. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Seattle to Duluth

Cheapest nonstop flight priceIDR 2,513,916
Off-season for travelJanuary
Peak season for travelNovember
Flight distance2,263.59 km
Popular airlineAlaska Airlines

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.