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Duluth

$268+ 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — DLH
Mar 23 — Mar 301
Mon 3/23
Mon 3/30
1 adult, Economy
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Cheap 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 February 21, 2026.

This United Airlines deal was found by Cheapflights users on 2/17. 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.
Thu 5/216:15 am
RDU
-
DLH
1 stop5h 28m
United Airlines
Tue 5/266:10 pm
DLH
-
RDU
1 stop5h 40m
United Airlines
Deal found 2/17$268
This Delta deal was found by Cheapflights users on 2/18. 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.
Thu 5/286:00 am
RDU
-
DLH
1 stop5h 57m
Delta
Sun 5/318:05 am
DLH
-
RDU
1 stop4h 57m
Delta
Deal found 2/18$306
This Delta deal was found by Cheapflights users on 2/18. 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 5/236:00 am
RDU
-
DLH
1 stop5h 57m
Delta
Sat 5/305:10 am
DLH
-
RDU
2 stops10h 26m
Delta
Deal found 2/18$334
This United Airlines deal was found by Cheapflights users on 2/19. 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 3/61:27 pm
RDU
-
DLH
1 stop5h 41m
United Airlines
Tue 3/1011:20 am
DLH
-
RDU
1 stop4h 57m
United Airlines
Deal found 2/19$337
This Delta deal was found by Cheapflights users on 2/20. 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.
Thu 5/216:00 am
RDU
-
DLH
1 stop5h 57m
Delta
Tue 5/265:10 am
DLH
-
RDU
1 stop4h 26m
Delta
Deal found 2/20$357
This Delta deal was found by Cheapflights users on 2/17. 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 3/46:00 am
RDU
-
DLH
1 stop6h 30m
Delta
Sun 3/85:00 am
DLH
-
RDU
1 stop4h 53m
Delta
Deal found 2/17$389
This Delta deal was found by Cheapflights users on 2/19. 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 7/2511:35 am
RDU
-
DLH
1 stop4h 44m
Delta
Fri 7/315:10 am
DLH
-
RDU
1 stop5h 17m
Delta
Deal found 2/19$397

Find 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 February 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$268
(United Airlines)

Popular in

July

Cheapest in

September

Average price

$343
Provider with most accurate pricing for Raleigh-Durham-Duluth Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Raleigh-Durham-Duluth Intl flights.
Search Deals
From Raleigh-Durham to Duluth Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 21, 2026.
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

Thu 5/21

6:15 am-10:43 am

1 stop5h 28m

Duluth Intl

Tue 5/26

6:10 pm-12:50 am

1 stop5h 40m

$268

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Fri 3/6

1:27 pm-6:08 pm

1 stop5h 41m

Duluth Intl

Tue 3/10

11:20 am-5:17 pm

1 stop4h 57m

$337

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Wed 3/4

6:00 am-11:30 am

1 stop6h 30m

Duluth Intl

Sun 3/8

5:00 am-10:53 am

1 stop4h 53m

$389

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Sat 2/28

11:18 am-9:59 pm

2 stops11h 41m

Duluth Intl

Wed 3/4

3:19 pm-8:56 pm

1 stop4h 37m

$474

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Sat 3/7

6:30 am-10:43 am

1 stop5h 13m

Duluth Intl

Wed 3/11

3:07 pm-9:08 pm

1 stop5h 01m

$519

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Sun 7/12

6:15 am-10:43 am

1 stop5h 28m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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.

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 February 21, 2026.
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
7.9
Good
8,228 reviews

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,228 reviews
Delta
7.9
Good
8,228 reviews

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,335 reviews
Delta
7.9
Good
8,228 reviews

Food

7.2

Overall

7.9

Comfort

7.9

Entertainment

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 28m. 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, Delta ($248), and United Airlines ($248) offers the cheapest pricing from Raleigh to Duluth. Users have found that Delta is 45% 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.

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 February 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$424FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$388FlexibilityNo cancel feeOn-timeN/A

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