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$248+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — DLH
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$248
(Delta)

Popular in

April

Cheapest in

November

Average price

$511
From Raleigh-Durham to Duluth Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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 8/77:00 pmRDU - DLH
1 stop4h 44mDelta
Tue 8/125:10 amDLH - RDU
1 stop4h 24mDelta
Deal found 6/10$248
This United Airlines deal was found by Cheapflights users on 6/10. 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 9/55:35 pmRDU - DLH
1 stop5h 30mUnited Airlines
Mon 9/83:10 pmDLH - RDU
1 stop5h 48mUnited Airlines
Deal found 6/10$383

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 June 12, 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

Thu 8/7

7:00 pm-10:44 pm

1 stop4h 44m

Duluth Intl

Tue 8/12

5:10 am-10:34 am

1 stop4h 24m

$248

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Fri 9/5

5:35 pm-10:05 pm

1 stop5h 30m

Duluth Intl

Mon 9/8

3:10 pm-9:58 pm

1 stop5h 48m

$383

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Sun 8/3

6:00 am-10:23 am

1 stop5h 23m

$290

RaleighDuluth

RDU - DLH

RDUDLH

Raleigh-Durham

Sun 8/3

10:34 am-10:00 pm

3 stops12h 26m

$678

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 $335). Flying from Raleigh to Duluth in June is currently the most expensive (average of $473). 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.

Rainfall in Duluth by month

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

In terms of precipitation, rainfall in Duluth ranges from 0.6 - 3.6 inches per month. August is typically the wettest month, when rainfall can reach 3.6 in. February is typically the driest time to visit Duluth when rainfall is around 0.6 in.

Temperature in Duluth by month

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

If weather is an important factor for your trip to Duluth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.2 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 12, 2025.
Read through reviews of airlines operating flights from Raleigh to Duluth, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

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, Delta ($248), and United Airlines ($383) offers the cheapest pricing from Raleigh to Duluth. Users have found that Delta is 34% 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 $335). Flying from Raleigh to Duluth in June is currently the most expensive (average of $473). 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 Raleigh?

Book flights to Raleigh 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$383FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$333FlexibilityNo cancel feeOn-timeN/A

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