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$271+ Cheap flights from Raleigh to Duluth (RDU - DLH)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — DLH
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$278
(Delta)

One-way from

$271
(United Airlines)

Popular in

July

Cheapest in

November

Average price

$493
Provider with most accurate pricing for Raleigh-Durham-Duluth Intl flight deals.
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Provider most trusted by Cheapflights users for Raleigh-Durham-Duluth Intl flights.
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From Raleigh-Durham to Duluth Intl
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One-way flight from Raleigh-Durham to Duluth Intl
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Highest demand for flights based on searches. 18% potential increase in price ($93 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 16, 2025.

This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:30 amRDU - DLH
1 stop5h 07mUnited Airlines
Sat 11/111:14 amDLH - RDU
1 stop5h 09mUnited Airlines
Deal found 10/15$299
This Delta deal was found by Cheapflights users on 10/15. 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.
Fri 10/316:00 amRDU - DLH
1 stop6h 22mDelta
Tue 11/45:18 amDLH - RDU
1 stop4h 36mDelta
Deal found 10/15$345
This Delta deal was found by Cheapflights users on 10/14. 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.
Wed 10/157:10 pmRDU - DLH
1 stop5h 32mDelta
Sat 10/184:10 pmDLH - RDU
1 stop6h 40mDelta
Deal found 10/14$378
This Delta deal was found by Cheapflights users on 10/15. 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 1/15:00 amDLH - RDU
1 stop4h 53mDelta
Deal found 10/15$416
This United Airlines deal was found by Cheapflights users on 10/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/315:20 pmRDU - DLH
3 stops18h 18mUnited Airlines
Tue 11/47:55 amDLH - RDU
2 stops12h 52mUnited Airlines
Deal found 10/15$460
This United Airlines deal was found by Cheapflights users on 10/14. 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.
Sat 10/186:00 amRDU - DLH
2 stops9h 32mUnited Airlines
Mon 10/208:00 amDLH - RDU
1 stop5h 01mUnited Airlines
Deal found 10/14$474
This Delta deal was found by Cheapflights users on 10/14. 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.
Fri 10/1712:35 pmRDU - DLH
2 stops12h 07mDelta
Sun 10/195:18 amDLH - RDU
2 stops6h 38mDelta
Deal found 10/14$588

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 October 16, 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

Wed 4/1

6:00 am-11:07 am

1 stop6h 07m

Duluth Intl

Sat 4/4

4:20 pm-11:57 pm

1 stop6h 37m

$278

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Sat 4/4

6:00 am-11:07 am

1 stop6h 07m

Duluth Intl

Tue 4/7

4:20 pm-11:57 pm

1 stop6h 37m

$278

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Sat 4/4

6:00 am-11:07 am

1 stop6h 07m

Duluth Intl

Wed 4/8

4:20 pm-11:57 pm

1 stop6h 37m

$295

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Fri 4/3

6:00 am-11:07 am

1 stop6h 07m

Duluth Intl

Tue 4/7

4:20 pm-11:57 pm

1 stop6h 37m

$295

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Tue 4/7

6:00 am-11:07 am

1 stop6h 07m

Duluth Intl

Sat 4/11

4:20 pm-11:57 pm

1 stop6h 37m

$295

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Wed 10/29

6:30 am-10:37 am

1 stop5h 07m

Duluth Intl

Sat 11/1

11:14 am-5:23 pm

1 stop5h 09m

$299

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Fri 10/31

4:49 pm-9:59 pm

1 stop6h 10m

Duluth Intl

Tue 11/4

7:55 am-9:47 pm

2 stops12h 52m

$304

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Wed 4/1

6:00 am-11:07 am

1 stop6h 07m

Duluth Intl

Sun 4/5

5:10 am-11:36 am

1 stop5h 26m

$328

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Thu 4/2

6:00 am-11:07 am

1 stop6h 07m

Duluth Intl

Mon 4/6

4:20 pm-11:57 pm

1 stop6h 37m

$345

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Sun 12/7

6:00 am-2:22 pm

2 stops9h 22m

$271

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 11 results
1
2

Compare providers for flights from Raleigh to Duluth

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Raleigh to Duluth in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Raleigh-Duluth flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Raleigh-Duluth flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Raleigh-Duluth flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Raleigh-Duluth flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Raleigh-Duluth flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, February is the cheapest month in which you can book a flight from Raleigh to Duluth (average of $248). Flying from Raleigh to Duluth in April is currently the most expensive (average of $533). 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.

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 October 16, 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
7,984 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
7,984 reviews
Delta
8.0
Very good
7,984 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

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
8,982 reviews
Delta
8.0
Very good
7,984 reviews

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

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 6h 07m. The distance from Raleigh to Duluth is about 1025 mi.

  • 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 40% 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, February is the cheapest month in which you can book a flight from Raleigh to Duluth (average of $248). Flying from Raleigh to Duluth in April is currently the most expensive (average of $533). 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$398FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$359FlexibilityNo cancel feeOn-timeN/A

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