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Cheap flights from Seattle to Duluth (SEA - DLH) from $326

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — DLH
Jun 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
1 adult, Economy
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Cheap flight deals from Seattle to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Duluth (DLH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 2, 2024.

Popular in

December

Cheapest in

February

Average price

$837

Round-trip from

$361
High demand for flights, 34% potential price rise
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Best time to find cheap flights, 40% potential price drop
Search Deals
Average for round-trip flights in June 2024
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From Seattle/Tacoma Intl to Duluth Intl
Search Deals

What is the cheapest day to fly round-trip from Seattle to Duluth?

Flying to your destination on a Thursday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Duluth. Check prices with Cheapflights to find a great deal for your trip.

What is the cheapest month to fly from Seattle to Duluth?

February can be a great time to fly to Duluth from Seattle with a flight ticket averaging about $630. Cheapflights users have found deals in the month of February for as cheap as $360. The most expensive prices can be found in the month of December.

What is the cheapest time of day to fly from SEA to DLH?

It’s typically best to fly out from Seattle to Duluth in the evening. Doing so could potentially save you 22% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap Delta flights from Seattle to Duluth

Explore cheap flight options specifically provided by Delta for the route between Seattle and Duluth. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Consider these cheap Delta flights we've found departing from Seattle to Duluth. Deals update often to give you more flight options matching your criteria
Mon 11/1112:35 amSEA - DLH
1 stop7h 14mDelta
Sat 11/163:00 pmDLH - SEA
1 stop7h 05mDelta
Deal found 6/1$326
Mon 9/1612:30 amSEA - DLH
1 stop7h 29mDelta
Sun 9/222:52 pmDLH - SEA
1 stop7h 44mDelta
Deal found 6/1$377
Wed 9/2512:30 amSEA - DLH
1 stop7h 19mDelta
Sun 9/292:45 pmDLH - SEA
1 stop7h 21mDelta
Deal found 6/1$397
Tue 9/312:35 amSEA - DLH
1 stop7h 42mDelta
Sun 9/85:44 pmDLH - SEA
1 stop8h 15mDelta
Deal found 6/1$437
Thu 9/56:00 amSEA - DLH
1 stop6h 32mDelta
Sun 9/85:44 pmDLH - SEA
1 stop8h 15mDelta
Deal found 6/1$457
Mon 9/1612:30 amSEA - DLH
1 stop7h 29mDelta
Sun 9/2210:54 amDLH - SEA
2 stops10h 05mDelta
Deal found 6/1$681
Mon 11/1112:35 amSEA - DLH
1 stop7h 14mDelta
Sat 11/1610:54 amDLH - SEA
2 stops13h 17mDelta
Deal found 6/1$696
Wed 9/2512:30 amSEA - DLH
1 stop7h 19mDelta
Sun 9/2910:54 amDLH - SEA
2 stops11h 38mDelta
Deal found 6/1$732
Wed 9/2512:30 amSEA - DLH
1 stop7h 29mDelta
Sun 9/2910:54 amDLH - SEA
2 stops10h 05mDelta
Deal found 6/2$792

Cheap United Airlines flights from Seattle to Duluth

Explore cheap flight options specifically provided by United Airlines for the route between Seattle and Duluth. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Some of the best deals we've found on United Airlines flights traveling from Seattle to Duluth. Deals frequently update to provide users with more options.
Tue 11/1211:50 pmSEA - DLH
1 stop8h 54mUnited Airlines
Sat 11/167:53 amDLH - SEA
2 stops16h 29mUnited Airlines
Deal found 6/1$411
Tue 11/126:39 amSEA - DLH
2 stops12h 43mUnited Airlines
Sat 11/1611:26 amDLH - SEA
2 stops14h 19mUnited Airlines
Deal found 6/1$416
Tue 11/1210:51 pmSEA - DLH
2 stops13h 42mUnited Airlines
Sat 11/167:53 amDLH - SEA
3 stops14h 59mUnited Airlines
Deal found 6/1$421
Tue 9/1710:55 amSEA - DLH
1 stop8h 58mUnited Airlines
Sun 9/228:00 amDLH - SEA
1 stop27h 48mUnited Airlines
Deal found 6/1$482
Tue 9/176:45 amSEA - DLH
2 stops13h 08mUnited Airlines
Sun 9/228:00 amDLH - SEA
1 stop27h 48mUnited Airlines
Deal found 6/1$487
Tue 11/123:51 pmSEA - DLH
3 stops20h 42mUnited Airlines
Sat 11/167:53 amDLH - SEA
3 stops14h 59mUnited Airlines
Deal found 6/1$491
Wed 9/48:55 amSEA - DLH
2 stops10h 58mUnited Airlines
Sun 9/88:00 amDLH - SEA
1 stop27h 48mUnited Airlines
Deal found 6/1$512
Thu 9/56:45 amSEA - DLH
2 stops13h 08mUnited Airlines
Sun 9/88:00 amDLH - SEA
1 stop27h 48mUnited Airlines
Deal found 6/1$532
Thu 9/261:45 pmSEA - DLH
1 stop22h 40mUnited Airlines
Sun 9/298:00 amDLH - SEA
1 stop27h 52mUnited Airlines
Deal found 6/2$557

Cheap Seattle to Duluth flights in June & July 2024

Find cheap flight options from Seattle to Duluth specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Prices were last updated on June 2, 2024.
These are some of the most attractive deals on flights from Seattle to Duluth in 2024. Check back in a little while for more flight options.
Wed 6/127:00 amSEA - DLH
1 stop12h 33mUnited Airlines
Mon 6/178:00 amDLH - SEA
1 stop16h 23mUnited Airlines
Deal found 6/1$647
Wed 6/125:05 amSEA - DLH
2 stops14h 28mUnited Airlines
Mon 6/1711:22 amDLH - SEA
1 stop13h 01mUnited Airlines
Deal found 6/1$652
Wed 6/125:05 amSEA - DLH
2 stops14h 28mUnited Airlines
Mon 6/1711:22 amDLH - SEA
2 stops13h 28mUnited Airlines
Deal found 6/1$721
Sat 6/2912:30 amSEA - DLH
1 stop19h 07mUnited Airlines
Sun 7/78:05 amDLH - SEA
1 stop27h 44mUnited Airlines
Deal found 5/31$750
Sun 6/307:00 amSEA - DLH
1 stop12h 37mUnited Airlines
Sun 7/78:05 amDLH - SEA
1 stop27h 44mUnited Airlines
Deal found 5/31$791
Tue 6/1112:40 amSEA - DLH
1 stop7h 37mDelta
Mon 6/175:20 amDLH - SEA
1 stop5h 29mDelta
Deal found 6/1$813
Sat 6/2912:30 amSEA - DLH
1 stop19h 07mUnited Airlines
Sun 7/73:13 pmDLH - SEA
2 stops18h 49mUnited Airlines
Deal found 5/31$854
Sun 6/307:00 amSEA - DLH
1 stop12h 37mUnited Airlines
Sun 7/73:13 pmDLH - SEA
2 stops18h 49mUnited Airlines
Deal found 5/31$895
Tue 6/1112:40 amSEA - DLH
1 stop7h 37mDelta
Mon 6/175:20 amDLH - SEA
2 stops12h 41mDelta
Deal found 6/1$1,007

Seattle to Duluth 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Duluth in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
These are some of the most attractive deals on flights from Seattle to Duluth in 2024. Check back in a little while for more flight options.
Mon 11/1112:35 amSEA - DLH
1 stop7h 14mDelta
Sat 11/163:00 pmDLH - SEA
1 stop7h 05mDelta
Deal found 6/1$326
Mon 9/1612:30 amSEA - DLH
1 stop7h 29mDelta
Sun 9/222:52 pmDLH - SEA
1 stop7h 44mDelta
Deal found 6/1$377
Wed 9/2512:30 amSEA - DLH
1 stop7h 19mDelta
Sun 9/292:45 pmDLH - SEA
1 stop7h 21mDelta
Deal found 6/1$397
Tue 11/1211:50 pmSEA - DLH
1 stop8h 54mUnited Airlines
Sat 11/167:53 amDLH - SEA
2 stops16h 29mUnited Airlines
Deal found 6/1$411
Tue 11/126:39 amSEA - DLH
2 stops12h 43mUnited Airlines
Sat 11/1611:26 amDLH - SEA
2 stops14h 19mUnited Airlines
Deal found 6/1$416
Tue 11/1210:51 pmSEA - DLH
2 stops13h 42mUnited Airlines
Sat 11/167:53 amDLH - SEA
3 stops14h 59mUnited Airlines
Deal found 6/1$421
Tue 9/312:35 amSEA - DLH
1 stop7h 42mDelta
Sun 9/85:44 pmDLH - SEA
1 stop8h 15mDelta
Deal found 6/1$437
Thu 9/56:00 amSEA - DLH
1 stop6h 32mDelta
Sun 9/85:44 pmDLH - SEA
1 stop8h 15mDelta
Deal found 6/1$457
Tue 9/1710:55 amSEA - DLH
1 stop8h 58mUnited Airlines
Sun 9/228:00 amDLH - SEA
1 stop27h 48mUnited Airlines
Deal found 6/1$482

Seattle to Duluth flights leaving soon

Find last-minute flight options from Seattle to Duluth for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Check out these flights departing soon from Seattle to Duluth. Users should examine the flight details to ensure there are no surprises.
Wed 6/127:00 amSEA - DLH
1 stop12h 33mUnited Airlines
Mon 6/178:00 amDLH - SEA
1 stop16h 23mUnited Airlines
Deal found 6/1$647
Wed 6/125:05 amSEA - DLH
2 stops14h 28mUnited Airlines
Mon 6/1711:22 amDLH - SEA
1 stop13h 01mUnited Airlines
Deal found 6/1$652
Wed 6/125:05 amSEA - DLH
2 stops14h 28mUnited Airlines
Mon 6/1711:22 amDLH - SEA
2 stops13h 28mUnited Airlines
Deal found 6/1$721
Tue 6/1112:40 amSEA - DLH
1 stop7h 37mDelta
Mon 6/175:20 amDLH - SEA
1 stop5h 29mDelta
Deal found 6/1$813
Tue 6/1112:40 amSEA - DLH
1 stop7h 37mDelta
Mon 6/175:20 amDLH - SEA
2 stops12h 41mDelta
Deal found 6/1$1,007

One-way flights to Duluth from Seattle

Search for one-way flight options from Seattle to Duluth. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Users traveling one-way from Seattle to Duluth can select one of these great deals. Users in need of a round-trip flight from Seattle to Duluth instead should update the search form at the top of page.
Sat 6/2211:59 pmSEA - DLH
1 stop32h 48mUnited Airlines
Deal found 6/1$389
Fri 6/2112:25 amSEA - DLH
1 stop7h 53mDelta
Deal found 6/1$548
Sat 6/227:45 pmSEA - DLH
2 stops12h 32mDelta
Deal found 6/1$593
Sat 6/227:15 amSEA - DLH
3 stops29h 27mUnited Airlines
Deal found 6/1$604

Find flights from Seattle to Duluth within your budget

Customize your flight search to find flights from Seattle to Duluth that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$326 - $482

Route

Depart

Return

Price

Seattle/Tacoma IntlDuluth Intl

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Mon 11/11

1 stop7h 14m

Duluth Intl

Sat 11/16

1 stop7h 05m

$326

Seattle/Tacoma IntlDuluth Intl

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Mon 9/16

1 stop7h 29m

Duluth Intl

Sun 9/22

1 stop7h 44m

$377

Seattle/Tacoma IntlDuluth Intl

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Wed 9/25

1 stop7h 19m

Duluth Intl

Sun 9/29

1 stop7h 21m

$397

Seattle/Tacoma IntlDuluth Intl

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Tue 11/12

1 stop8h 54m

Duluth Intl

Sat 11/16

2 stops16h 29m

$411

Seattle/Tacoma IntlDuluth Intl

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Tue 11/12

2 stops12h 43m

Duluth Intl

Sat 11/16

2 stops14h 19m

$416

Seattle/Tacoma IntlDuluth Intl

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Tue 11/12

2 stops13h 42m

Duluth Intl

Sat 11/16

3 stops14h 59m

$421

Seattle/Tacoma IntlDuluth Intl

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Tue 9/3

1 stop7h 42m

Duluth Intl

Sun 9/8

1 stop8h 15m

$437

Seattle/Tacoma IntlDuluth Intl

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Thu 9/5

1 stop6h 32m

Duluth Intl

Sun 9/8

1 stop8h 15m

$457

Seattle/Tacoma IntlDuluth Intl

SEA - DLH

SEADLH

Seattle/Tacoma Intl

Tue 9/17

1 stop8h 58m

Duluth Intl

Sun 9/22

1 stop27h 48m

$482

Flights are sorted by cheapest first

Deals found on 6/1

What is the cheapest day to fly from Seattle to Duluth?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Duluth. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Duluth flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Seattle to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Duluth by month

Plan your trip to Duluth by taking into account the average temperature and rainfall totals by month.

DLH

Temperature

12.2 - 66.2 °F

Reviews of airlines servicing Duluth

Get insights into the airlines that provide service to Duluth. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Duluth. Reviews last updated June 2, 2024.
Peruse reviews from past customers who have flown with Delta and United Airlines from Seattle to Duluth to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,410 reviews
Check prices

Food

7.4

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

The seats were wayyyy too small! If you are a larger person buying 2 seats would not work as arm rests do not go up

Delta
8.0
Very good
10,410 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Food

7.4

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

The seats were wayyyy too small! If you are a larger person buying 2 seats would not work as arm rests do not go up

United Airlines
7.4
Good
10,755 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Food

7.4

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

7.9

Entertainment

8.0

Reviews

1 / 10

The seats were wayyyy too small! If you are a larger person buying 2 seats would not work as arm rests do not go up

Related info for your journey

Find useful and relevant information for your journey from Seattle to Duluth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Seattle to Duluth for under $400 on Cheapflights?

    Yes, there are multiple flights from Seattle to Duluth for under $400. The cheapest flight booked recently is on Delta for just $326, but on average you can expect to pay $498.

  • Are there last-minute flights available from Seattle to Duluth for under $700?

    There are currently 5+ open flights from Seattle to Duluth within the next 7 days for less than $700.

  • What are the cheapest airlines flying from Seattle to Duluth round-trip?

    According to our current data, Delta ($326), and United Airlines ($411) offers the cheapest pricing from Seattle to Duluth. You may be able to fly from Seattle to Duluth for 48% less than the average price by searching for these airlines.

  • What does SEA to DLH mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Seattle/Tacoma Intl Airport to Duluth Intl Airport flight would often be abbreviated as a SEA to DLH flight.

  • Can I find deals for flights from Seattle to Duluth that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Duluth flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Duluth with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Duluth flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Seattle to Duluth that include hotel bookings?

    Yes. In addition to deals on Seattle to Duluth flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Duluth?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Duluth.

  • Can I find deals for business class flights from Seattle to Duluth?

    Yes. Cheapflights offers flight deals from Seattle to Duluth by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Seattle to Duluth that allow pets onboard?

    Many airlines flying from Seattle to Duluth offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Duluth?

    Yes, you can often find last-minute deals on Seattle to Duluth flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Duluth flight deals updated?

    The Seattle to Duluth flight deals you see on this page were last updated on 6/1.

  • What are the most popular airlines that fly from Seattle to Duluth?

    Consider Delta, Sun Country Air or United Airlines when booking your flight. These represent the most popular airlines when flying from Seattle to Duluth.

  • What is the cheapest month to book a flight from Seattle to Duluth?

    Currently, March is the cheapest month in which you can book a flight from Seattle to Duluth (average of $361). Flying from Seattle to Duluth in June is currently the most expensive (average of $585). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Seattle to Duluth
See prices for flight routes from nearby airports that may be better suited for you.

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Top 3 airlines flying from Seattle to Duluth

Discover the top 3 airlines that operate flights from Seattle to Duluth. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$168Average$436FlexibilityNo cancel feeOn-time83%
Search Sun Country Air flights
DeltaCheapest$343Average$677FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$457Average$545FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Search flights from Seattle to Duluth by cabin class

Find flights from Seattle to Duluth, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Duluth?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Duluth from Seattle today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Seattle to Duluth?

Cheapflights simply makes it quick and affordable to book flights from Seattle to Duluth by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Seattle to Duluth with no change fees?

Yes! Cheapflights helps users easily find flights from Seattle to Duluth with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Duluth become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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