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$432+ Cheap flights from Raleigh to Duluth (RDU - DLH)

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — DLH
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Raleigh to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) 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 September 15, 2025.

Round-trip from

$278
(United Airlines)

Popular in

July

Cheapest in

November

Average price

$298
From Raleigh-Durham to Duluth Intl
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Highest demand for flights based on searches. 21% potential increase in price ($107 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Raleigh to Duluth

Cheapest flights from Raleigh to Duluth
Explore the most affordable flight options available from Raleigh to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/126:15 amRDU - DLH
1 stop5h 30mUnited Airlines
Sun 10/1911:20 amDLH - RDU
1 stop22h 06mUnited Airlines
Deal found 9/14$432
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/125:15 amRDU - DLH
2 stops7h 07mDelta
Sun 10/195:18 amDLH - RDU
1 stop4h 36mDelta
Deal found 9/14$534
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:00 amRDU - DLH
1 stop6h 15mDelta
Thu 1/14:10 pmDLH - RDU
1 stop6h 20mDelta
Deal found 9/15$578
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:00 amRDU - DLH
1 stop6h 15mDelta
Fri 1/25:00 amDLH - RDU
1 stop4h 49mDelta
Deal found 9/15$618
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:00 amRDU - DLH
1 stop6h 15mDelta
Sun 12/284:10 pmDLH - RDU
1 stop6h 20mDelta
Deal found 9/13$728
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2110:45 amRDU - DLH
2 stops28h 43mUnited Airlines
Sun 12/287:50 amDLH - RDU
1 stop12h 58mUnited Airlines
Deal found 9/13$766
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:00 amRDU - DLH
1 stop6h 15mDelta
Sat 1/34:23 pmDLH - RDU
1 stop6h 07mDelta
Deal found 9/13$768

Cheapflights Fare Finder

 
Customize your flight search to find flights from Raleigh 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 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Raleigh to Duluth that are best for you.

Fly from

Raleigh

Fly to

Duluth

Route

Depart

Return

Price

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Sun 10/12

6:15 am-10:45 am

1 stop5h 30m

Duluth Intl

Sun 10/19

11:20 am-10:26 am

1 stop22h 06m

$432

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Sun 10/12

5:15 am-11:22 am

2 stops7h 07m

Duluth Intl

Sun 10/19

5:18 am-10:54 am

1 stop4h 36m

$534

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from Raleigh to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from Raleigh 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.

Cheapflights Insights

Everything you need to know about your flight from Raleigh to Duluth

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

Currently, January is the cheapest month in which you can book a flight from Raleigh to Duluth (average of $339). Flying from Raleigh to Duluth in June is currently the most expensive (average of $477). 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.

How much does it cost to fly round-trip from Raleigh to Duluth?

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 September 15, 2025.
See what other customers who have flown with Delta and United Airlines from Raleigh to Duluth have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2023

GSO - LGA

Entire process from checking bags to flight to landing to luggage retrieval was very smooth.
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2023

GSO - LGA

Entire process from checking bags to flight to landing to luggage retrieval was very smooth.
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2023

GSO - LGA

Entire process from checking bags to flight to landing to luggage retrieval was very smooth.

Related info for your journey

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

  • How long is the flight from Raleigh to Duluth?

    Departing from Raleigh to Duluth will take you 5h 30m. The distance from Raleigh to Duluth is about 1025 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    According to our current data, United Airlines ($248), and Delta ($248) offers the cheapest pricing from Raleigh to Duluth. Users have found that United Airlines is 37% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Raleigh 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.

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

    Currently, January is the cheapest month in which you can book a flight from Raleigh to Duluth (average of $339). Flying from Raleigh to Duluth in June is currently the most expensive (average of $477). 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

Traveling to a place near Duluth?

Book flights to Duluth if you plan to visit one of these locations
Two Harbors
Superior

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Top 2 airlines flying from Raleigh to Duluth

Discover the top 2 airlines that operate flights from Raleigh 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 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$398FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$357FlexibilityNo cancel feeOn-timeN/A

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