Cheap flights from St. Louis to Duluth (STL - DLH) from $218

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 4/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — DLH
Apr 16 — Apr 231

The best prices from Lambert-St Louis to Duluth Intl are usually found in March or April, booked 12 days in advance, depart on a Tuesday or Saturday and return on a Friday

Cheap flight deals from St. Louis to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) 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 April 11, 2024.

Popular in

July

Cheapest in

March

Round-trip from

$361

One-way from

$312
High demand for flights, 19% potential price rise
Best time to find cheap flights, 37% potential price drop
From Lambert-St Louis to Duluth Intl
One-way flight from Lambert-St Louis to Duluth Intl

What is the cheapest day to fly round-trip from St. Louis to Duluth?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from St. Louis to Duluth?

Find a great deal and save up to 164% by booking at least 13 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from St. Louis to Duluth within the next two weeks, with the cheapest ticket starting at $185.

What is the cheapest month to fly from St. Louis to Duluth?

Flights from St. Louis to Duluth lean towards being more expensive in July. Prices are generally better when you fly from St. Louis to Duluth in March, with the cheapest ticket starting at $229.

When is the cheapest time to fly from St. Louis to Duluth (STL - DLH)?

One of the essential ways to save on airfare from St. Louis to Duluth is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 68% on airfare.

Cheap Delta flights from St. Louis to Duluth

Explore cheap flight options specifically provided by Delta for the route between St. Louis and Duluth. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,194,136 searches. Data last updated April 11, 2024.
Consider these cheap Delta flights we've found departing from St. Louis to Duluth. Deals update often to give you more flight options matching your criteria
Tue 4/306:13 amSTL - DLH
1 stop3h 34mDelta
Sat 5/43:00 pmDLH - STL
1 stop6h 17mDelta
Deal found 4/9$218
Tue 4/306:13 amSTL - DLH
1 stop3h 34mDelta
Sat 5/43:00 pmDLH - STL
1 stop6h 17mDelta
Deal found 4/10$223
Tue 4/306:13 amSTL - DLH
1 stop3h 34mDelta
Sat 5/43:00 pmDLH - STL
2 stops6h 23mDelta
Deal found 4/10$228
Wed 5/16:13 amSTL - DLH
1 stop3h 34mDelta
Fri 5/316:07 pmDLH - STL
1 stop3h 45mDelta
Deal found 4/10$245
Tue 6/252:10 pmSTL - DLH
2 stops9h 36mDelta
Mon 7/15:05 amDLH - STL
1 stop5h 00mDelta
Deal found 4/10$293
Tue 4/306:15 pmSTL - DLH
2 stops15h 32mDelta
Sat 5/43:00 pmDLH - STL
2 stops7h 00mDelta
Deal found 4/9$360
Tue 4/306:15 pmSTL - DLH
2 stops15h 32mDelta
Sat 5/43:00 pmDLH - STL
2 stops7h 00mDelta
Deal found 4/10$435
Wed 5/16:13 amSTL - DLH
1 stop3h 34mDelta
Fri 5/315:29 amDLH - STL
2 stops8h 53mDelta
Deal found 4/10$460
Tue 6/252:10 pmSTL - DLH
2 stops9h 36mDelta
Mon 7/15:05 amDLH - STL
2 stops11h 15mDelta
Deal found 4/10$598

Cheap United Airlines flights from St. Louis to Duluth

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and Duluth. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,194,136 searches. Data last updated April 11, 2024.
Some of the best deals we've found on United Airlines flights traveling from St. Louis to Duluth. Deals frequently update to provide users with more options.
Sun 4/148:27 amSTL - DLH
2 stops26h 04mUnited Airlines
Mon 4/153:15 pmDLH - STL
1 stop6h 34mUnited Airlines
Deal found 4/10$954
Sun 4/146:19 amSTL - DLH
3 stops28h 12mUnited Airlines
Mon 4/153:15 pmDLH - STL
1 stop4h 39mUnited Airlines
Deal found 4/10$1,170
Mon 4/156:00 amSTL - DLH
1 stop4h 31mUnited Airlines
Mon 4/153:15 pmDLH - STL
2 stops21h 26mUnited Airlines
Deal found 4/10$1,217

Cheap St. Louis to Duluth flights in April & May 2024

Find cheap flight options from St. Louis to Duluth specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,194,136 searches. Prices were last updated on April 11, 2024.
Check out some of the best flight deals from St. Louis to Duluth in 2024. For more flight deals, be sure to check back very soon.
Tue 4/306:13 amSTL - DLH
1 stop3h 34mDelta
Sat 5/43:00 pmDLH - STL
1 stop6h 17mDelta
Deal found 4/9$218
Tue 4/306:13 amSTL - DLH
1 stop3h 34mDelta
Sat 5/43:00 pmDLH - STL
1 stop6h 17mDelta
Deal found 4/10$223
Tue 4/306:13 amSTL - DLH
1 stop3h 34mDelta
Sat 5/43:00 pmDLH - STL
2 stops6h 23mDelta
Deal found 4/10$228
Wed 5/16:13 amSTL - DLH
1 stop3h 34mDelta
Fri 5/316:07 pmDLH - STL
1 stop3h 45mDelta
Deal found 4/10$245
Tue 4/306:15 pmSTL - DLH
2 stops15h 32mDelta
Sat 5/43:00 pmDLH - STL
2 stops7h 00mDelta
Deal found 4/9$360
Tue 4/306:15 pmSTL - DLH
2 stops15h 32mDelta
Sat 5/43:00 pmDLH - STL
2 stops7h 00mDelta
Deal found 4/10$435
Wed 5/16:13 amSTL - DLH
1 stop3h 34mDelta
Fri 5/315:29 amDLH - STL
2 stops8h 53mDelta
Deal found 4/10$460
Wed 5/17:15 amSTL - DLH
2 stops9h 33mDelta
Fri 5/315:29 amDLH - STL
2 stops8h 53mDelta
Deal found 4/10$628
Sun 4/146:13 amSTL - DLH
1 stop3h 34mDelta
Mon 4/155:39 pmDLH - STL
1 stop3h 38mDelta
Deal found 4/10$722

St. Louis to Duluth 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Duluth in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,194,136 searches. Data last updated April 11, 2024.
Check out some of the best flight deals from St. Louis to Duluth in 2024. For more flight deals, be sure to check back very soon.
Tue 4/306:13 amSTL - DLH
1 stop3h 34mDelta
Sat 5/43:00 pmDLH - STL
1 stop6h 17mDelta
Deal found 4/9$218
Tue 4/306:13 amSTL - DLH
1 stop3h 34mDelta
Sat 5/43:00 pmDLH - STL
1 stop6h 17mDelta
Deal found 4/10$223
Tue 4/306:13 amSTL - DLH
1 stop3h 34mDelta
Sat 5/43:00 pmDLH - STL
2 stops6h 23mDelta
Deal found 4/10$228
Wed 5/16:13 amSTL - DLH
1 stop3h 34mDelta
Fri 5/316:07 pmDLH - STL
1 stop3h 45mDelta
Deal found 4/10$245
Tue 6/252:10 pmSTL - DLH
2 stops9h 36mDelta
Mon 7/15:05 amDLH - STL
1 stop5h 00mDelta
Deal found 4/10$293
Tue 4/306:15 pmSTL - DLH
2 stops15h 32mDelta
Sat 5/43:00 pmDLH - STL
2 stops7h 00mDelta
Deal found 4/9$360
Tue 4/306:15 pmSTL - DLH
2 stops15h 32mDelta
Sat 5/43:00 pmDLH - STL
2 stops7h 00mDelta
Deal found 4/10$435
Wed 5/16:13 amSTL - DLH
1 stop3h 34mDelta
Fri 5/315:29 amDLH - STL
2 stops8h 53mDelta
Deal found 4/10$460
Tue 6/252:10 pmSTL - DLH
2 stops9h 36mDelta
Mon 7/15:05 amDLH - STL
2 stops11h 15mDelta
Deal found 4/10$598

One-way flights to Duluth from St. Louis

Search for one-way flight options from St. Louis to Duluth. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,194,136 searches. Data last updated April 11, 2024.
Some of the best available deals we've found on one-way flights from St. Louis to Duluth. Those needing a return flight from St. Louis to Duluth can use the search form above.
Wed 4/176:00 amSTL - DLH
1 stop4h 31mUnited Airlines
Deal found 4/10$286
Wed 4/179:53 pmSTL - DLH
3 stops35h 23mMultiple Airlines
Deal found 4/10$312
Sun 4/146:13 amSTL - DLH
1 stop3h 34mDelta
Deal found 4/10$361
Wed 4/178:47 amSTL - DLH
2 stops12h 41mUnited Airlines
Deal found 4/10$440
Sun 4/148:27 amSTL - DLH
2 stops26h 04mUnited Airlines
Deal found 4/10$599
Sun 4/146:19 amSTL - DLH
3 stops28h 12mUnited Airlines
Deal found 4/10$815

Find flights from St. Louis to Duluth within your budget

Customize your flight search to find flights from St. Louis 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 3,194,136 searches. Data last updated April 11, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$218 - $954

Route

Depart

Return

Price

Lambert-St LouisDuluth Intl

STL - DLH

STLDLH

Lambert-St Louis

Tue 4/30

1 stop3h 34m

Duluth Intl

Sat 5/4

1 stop6h 17m

$218

Lambert-St LouisDuluth Intl

STL - DLH

STLDLH

Lambert-St Louis

Tue 4/30

1 stop3h 34m

Duluth Intl

Sat 5/4

1 stop6h 17m

$223

Lambert-St LouisDuluth Intl

STL - DLH

STLDLH

Lambert-St Louis

Tue 4/30

1 stop3h 34m

Duluth Intl

Sat 5/4

2 stops6h 23m

$228

Lambert-St LouisDuluth Intl

STL - DLH

STLDLH

Lambert-St Louis

Wed 5/1

1 stop3h 34m

Duluth Intl

Fri 5/31

1 stop3h 45m

$245

Lambert-St LouisDuluth Intl

STL - DLH

STLDLH

Lambert-St Louis

Tue 6/25

2 stops9h 36m

Duluth Intl

Mon 7/1

1 stop5h 00m

$293

Lambert-St LouisDuluth Intl

STL - DLH

STLDLH

Lambert-St Louis

Tue 4/30

2 stops15h 32m

Duluth Intl

Sat 5/4

2 stops7h 00m

$360

Lambert-St LouisDuluth Intl

STL - DLH

STLDLH

Lambert-St Louis

Tue 4/30

2 stops15h 32m

Duluth Intl

Sat 5/4

2 stops7h 00m

$435

Lambert-St LouisDuluth Intl

STL - DLH

STLDLH

Lambert-St Louis

Wed 5/1

1 stop3h 34m

Duluth Intl

Fri 5/31

2 stops8h 53m

$460

Lambert-St LouisDuluth Intl

STL - DLH

STLDLH

Lambert-St Louis

Sun 4/14

2 stops26h 04m

Duluth Intl

Mon 4/15

1 stop6h 34m

$954

Flights are sorted by cheapest first

Deals found on 4/9

When is the best time to book a flight from St. Louis to Duluth?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Duluth. Price data was last updated on January 28, 2024.
Booking 12 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Duluth. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from St. Louis to Duluth?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Duluth. Price data was last updated on April 7, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Duluth flight should consider departing on Friday mornings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Duluth by month

Plan your trip from St. Louis to Duluth by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Duluth is currently $469 while a round-trip flight costs $380. Price data was last updated on April 7, 2024.

Currently, March is the cheapest month in which you can book a flight from St. Louis to Duluth (average of $361). Flying from St. Louis to Duluth in June is currently the most expensive (average of $582). 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.

January

$383

February

$411

March

$361

April

$389

May

$415

June

$582

July

$524

August

$407

September

$469

October

$443

November

$444

December

$439

Temperature and rainfall in Duluth by month

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

DLH

Temperature

12.2 - 66.2 °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 April 11, 2024.
Read reviews from past customers who have flown Delta and United Airlines from St. Louis to Duluth. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
11,206 reviews

Food

7.5

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

8.1
Very good
11,206 reviews
8.1
Very good
11,206 reviews

Food

7.5

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

7.4
Good
11,391 reviews
8.1
Very good
11,206 reviews

Food

7.5

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Reviews

1 / 10

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Duluth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from St. Louis to Duluth for under $300 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Duluth for under $300. The cheapest flight booked recently is on Delta for just $218, but on average you can expect to pay $553.

  • What are the cheapest airlines flying from St. Louis to Duluth round-trip?

    Delta, at $218, was found to be the cheapest airline from St. Louis to Duluth. An alternate airline flying to your destination would be United Airlines. Users have found that Delta is 47% cheaper than the other options available to this destination.

  • What does STL to DLH mean?

    Lambert-St Louis Airport is STL and Duluth Intl Airport is DLH. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from St. Louis to Duluth that include extra baggage allowance?

    The amount of baggage you can bring depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Duluth with specific airlines?

    Yes, Cheapflights allows you to browse and filter flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Duluth that include hotel bookings?

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

  • How can I find direct flights from St. Louis to Duluth?

    After entering your origin and destination, apply the non-stop filter on the search result page to see available direct flights.

  • Can I find deals for business class flights from St. Louis to Duluth?

    Yes. Cheapflights offers flight deals from St. Louis 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.

  • Can I find deals for flights from St. Louis to Duluth that allow pets onboard?

    Many airlines do offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Duluth?

    Yes, you can often find last-minute deals on St. Louis to Duluth flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Duluth flight deals updated?

    The St. Louis to Duluth flight deals you see on this page were last updated on 4/10.

See more FAQs

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Top 2 airlines flying from St. Louis to Duluth

Discover the top 2 airlines that operate flights from St. Louis 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 3,194,136 searches. Data last updated April 11, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$229Average$358FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$310Average$539FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Search flights from St. Louis to Duluth by cabin class

Find flights from St. Louis to Duluth, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Duluth?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Duluth from St. Louis today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Duluth?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Duluth from St. Louis.

Can Cheapflights find flights from St. Louis to Duluth with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis to Duluth, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from St. Louis to Duluth become cheaper?

Yes, Cheapflights offers price alerts on St. Louis to Duluth flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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