HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Duluth

$243+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — DLH
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Raleigh to Duluth with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 August 14, 2025.

Round-trip from

$276
(Delta)

One-way from

$243
(United Airlines)

Popular in

July

Cheapest in

November

Average price

$328
From Raleigh-Durham to Duluth Intl
Search Deals
One-way flight from Raleigh-Durham to Duluth Intl
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

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 August 14, 2025.

This Delta deal was found by Cheapflights users on 8/14. 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.
Tue 9/236:00 amRDU - DLH
1 stop5h 07mDelta
Wed 10/297:50 amDLH - RDU
1 stop5h 09mDelta
Deal found 8/14$276
This Delta deal was found by Cheapflights users on 8/12. 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.
Tue 9/232:45 pmRDU - DLH
2 stops8h 58mDelta
Sun 9/285:10 amDLH - RDU
1 stop4h 26mDelta
Deal found 8/12$335
This Delta deal was found by Cheapflights users on 8/13. 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.
Fri 9/56:00 amRDU - DLH
1 stop5h 15mDelta
Sun 9/75:10 amDLH - RDU
1 stop4h 26mDelta
Deal found 8/13$422
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Fri 9/51:30 pmRDU - DLH
2 stops9h 35mUnited Airlines
Sun 9/79:45 amDLH - RDU
1 stop23h 36mUnited Airlines
Deal found 8/13$457
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Thu 8/286:30 amRDU - DLH
1 stop5h 15mUnited Airlines
Mon 9/18:00 amDLH - RDU
1 stop8h 04mUnited Airlines
Deal found 8/13$481
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Fri 8/2910:00 amRDU - DLH
1 stop13h 05mUnited Airlines
Tue 9/28:00 amDLH - RDU
1 stop5h 12mUnited Airlines
Deal found 8/14$696

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 August 14, 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

Tue 9/23

6:00 am-10:07 am

1 stop5h 07m

Duluth Intl

Wed 10/29

7:50 am-1:59 pm

1 stop5h 09m

$276

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Tue 9/23

6:00 am-10:07 am

1 stop5h 07m

Duluth Intl

Sun 9/28

5:10 am-10:36 am

1 stop4h 26m

$282

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Fri 9/5

6:00 am-10:15 am

1 stop5h 15m

Duluth Intl

Sun 9/7

5:10 am-10:36 am

1 stop4h 26m

$422

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Fri 9/5

1:30 pm-10:05 pm

2 stops9h 35m

Duluth Intl

Sun 9/7

9:45 am-10:21 am

1 stop23h 36m

$457

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Thu 8/28

6:30 am-10:45 am

1 stop5h 15m

Duluth Intl

Mon 9/1

8:00 am-5:04 pm

1 stop8h 04m

$481

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Fri 8/29

10:00 am-10:05 pm

1 stop13h 05m

Duluth Intl

Tue 9/2

8:00 am-2:12 pm

1 stop5h 12m

$696

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Sat 9/27

1:11 pm-6:37 pm

1 stop6h 26m

$243

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Fri 9/26

6:15 am-10:45 am

1 stop5h 30m

$243

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Fri 9/26

8:50 am-7:13 pm

2 stops11h 23m

$270

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Thu 8/21

6:30 am-10:45 am

1 stop5h 15m

$426

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 13 results
1
2

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 $336). Flying from Raleigh to Duluth in June is currently the most expensive (average of $476). 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 August 14, 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
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

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
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

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.

  • 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 $336). Flying from Raleigh to Duluth in June is currently the most expensive (average of $476). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Raleigh to Duluth

See prices for flight routes from nearby airports that may be better suited for you.
Charlotte to Minneapolis flights
Raleigh to Minneapolis flights
Norfolk to Minneapolis flights
Knoxville to Minneapolis flights
Wilmington to Minneapolis flights
Asheville to Minneapolis flights
Greensboro to Minneapolis flights
Charlotte to Sioux Falls flights
Norfolk to Fargo flights
Myrtle Beach to Minneapolis flights
Knoxville to Rochester flights
Knoxville to Sioux Falls flights
Raleigh to Fargo flights
Charlotte to Fargo flights
Greensboro to Sioux Falls flights
Raleigh to Rochester flights
Raleigh to Sioux Falls flights
Norfolk to Rochester flights
Asheville to Rochester flights
Norfolk to Duluth flights
Charlotte to Rochester flights
Asheville to Duluth flights
Asheville to Sioux Falls flights
Charlotte to Duluth flights
Asheville to Fargo flights
Jacksonville to Minneapolis flights
Blountville to Fargo flights
Knoxville to Fargo flights
Raleigh to La Crosse flights
New Bern to Minneapolis flights
Greensboro to Duluth flights
Norfolk to Sioux Falls flights
Charlotte to International Falls flights
Greensboro to Fargo flights
Charlotte to La Crosse flights
Blountville to Minneapolis flights
Raleigh to International Falls flights
Norfolk to La Crosse flights
Fayetteville to Rochester flights
Fayetteville to Minneapolis flights
Jacksonville to Sioux Falls flights
Blountville to Rochester flights
New Bern to Fargo flights
Asheville to Bemidji flights
Greenville to Minneapolis flights
Greensboro to Rochester flights

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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$420FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$336FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.