Cheap flights from St. Louis to Duluth (STL - DLH) from $238

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 9/14. 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
May 8 — May 151

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 May 3, 2024.

Popular in

July

Cheapest in

March

Average price

$503

Round-trip from

$361
High demand for flights, 19% potential price rise
Best time to find cheap flights, 37% potential price drop
Average for round-trip flights in May 2024
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 69% 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 2,864,334 searches. Data last updated May 3, 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
Sat 9/146:30 amSTL - DLH
1 stop3h 19mDelta
Wed 9/185:50 pmDLH - STL
1 stop3h 41mDelta
Deal found 5/1$238
Tue 8/206:30 amSTL - DLH
1 stop3h 16mDelta
Fri 8/305:50 pmDLH - STL
1 stop3h 39mDelta
Deal found 4/30$248
Wed 8/216:30 amSTL - DLH
1 stop3h 16mDelta
Sat 8/313:00 pmDLH - STL
2 stops8h 39mDelta
Deal found 4/30$253
Thu 5/306:11 amSTL - DLH
1 stop3h 37mDelta
Thu 6/65:49 pmDLH - STL
1 stop4h 03mDelta
Deal found 5/2$303
Thu 8/226:30 amSTL - DLH
1 stop3h 16mDelta
Sun 9/110:54 amDLH - STL
1 stop3h 35mDelta
Deal found 4/30$308
Tue 8/202:05 pmSTL - DLH
2 stops9h 38mDelta
Fri 8/305:50 pmDLH - STL
1 stop3h 39mDelta
Deal found 4/30$313
Fri 5/106:11 amSTL - DLH
1 stop3h 37mDelta
Mon 5/136:07 pmDLH - STL
1 stop3h 45mDelta
Deal found 5/2$343
Sat 9/143:40 pmSTL - DLH
2 stops18h 09mDelta
Wed 9/185:50 pmDLH - STL
1 stop3h 41mDelta
Deal found 5/1$347
Sat 9/143:40 pmSTL - DLH
2 stops18h 09mDelta
Wed 9/185:50 pmDLH - STL
1 stop3h 41mDelta
Deal found 4/30$357

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 2,864,334 searches. Data last updated May 3, 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.
Tue 8/209:30 amSTL - DLH
1 stop4h 55mUnited Airlines
Sat 8/3111:14 amDLH - STL
1 stop4h 35mUnited Airlines
Deal found 4/30$333
Tue 8/209:30 amSTL - DLH
1 stop4h 55mUnited Airlines
Sun 9/111:14 amDLH - STL
1 stop4h 35mUnited Airlines
Deal found 4/30$363
Mon 8/195:20 pmSTL - DLH
1 stop4h 33mUnited Airlines
Sat 8/3111:14 amDLH - STL
1 stop4h 35mUnited Airlines
Deal found 4/30$394
Tue 8/209:30 amSTL - DLH
1 stop4h 55mUnited Airlines
Thu 8/2911:14 amDLH - STL
1 stop4h 35mUnited Airlines
Deal found 4/30$419
Mon 8/195:20 pmSTL - DLH
1 stop4h 33mUnited Airlines
Sun 9/111:14 amDLH - STL
1 stop4h 35mUnited Airlines
Deal found 4/30$424
Thu 8/229:30 amSTL - DLH
1 stop4h 55mUnited Airlines
Sat 8/3111:14 amDLH - STL
1 stop4h 35mUnited Airlines
Deal found 4/30$443
Thu 5/161:37 pmSTL - DLH
2 stops24h 13mUnited Airlines
Thu 5/2311:22 amDLH - STL
1 stop4h 19mUnited Airlines
Deal found 5/2$447
Thu 5/168:05 amSTL - DLH
1 stop26h 09mUnited Airlines
Thu 5/2311:22 amDLH - STL
1 stop4h 19mUnited Airlines
Deal found 5/2$463
Thu 8/229:30 amSTL - DLH
1 stop4h 55mUnited Airlines
Fri 8/3011:14 amDLH - STL
1 stop4h 35mUnited Airlines
Deal found 4/30$473

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

Find cheap flight options from St. Louis to Duluth specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,864,334 searches. Prices were last updated on May 3, 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.
Thu 5/306:11 amSTL - DLH
1 stop3h 37mDelta
Thu 6/65:49 pmDLH - STL
1 stop4h 03mDelta
Deal found 5/2$303
Fri 5/106:11 amSTL - DLH
1 stop3h 37mDelta
Mon 5/136:07 pmDLH - STL
1 stop3h 45mDelta
Deal found 5/2$343
Sat 5/410:20 amSTL - DLH
1 stop3h 37mDelta
Mon 5/65:39 pmDLH - STL
1 stop3h 38mDelta
Deal found 5/2$443
Thu 5/161:37 pmSTL - DLH
2 stops24h 13mUnited Airlines
Thu 5/2311:22 amDLH - STL
1 stop4h 19mUnited Airlines
Deal found 5/2$447
Thu 5/306:11 amSTL - DLH
1 stop3h 37mDelta
Thu 6/65:29 amDLH - STL
2 stops8h 53mDelta
Deal found 5/2$448
Thu 5/168:05 amSTL - DLH
1 stop26h 09mUnited Airlines
Thu 5/2311:22 amDLH - STL
1 stop4h 19mUnited Airlines
Deal found 5/2$463
Fri 5/104:51 pmSTL - DLH
2 stops21h 38mUnited Airlines
Mon 5/137:51 amDLH - STL
1 stop6h 32mUnited Airlines
Deal found 5/2$502
Thu 5/306:30 amSTL - DLH
2 stops10h 57mDelta
Thu 6/65:29 amDLH - STL
2 stops8h 53mDelta
Deal found 5/2$533
Sat 5/46:00 amSTL - DLH
2 stops7h 57mDelta
Mon 5/65:39 pmDLH - STL
1 stop3h 38mDelta
Deal found 5/2$583

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 2,864,334 searches. Data last updated May 3, 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.
Sat 9/146:30 amSTL - DLH
1 stop3h 19mDelta
Wed 9/185:50 pmDLH - STL
1 stop3h 41mDelta
Deal found 5/1$238
Tue 8/206:30 amSTL - DLH
1 stop3h 16mDelta
Fri 8/305:50 pmDLH - STL
1 stop3h 39mDelta
Deal found 4/30$248
Wed 8/216:30 amSTL - DLH
1 stop3h 16mDelta
Sat 8/313:00 pmDLH - STL
2 stops8h 39mDelta
Deal found 4/30$253
Thu 5/306:11 amSTL - DLH
1 stop3h 37mDelta
Thu 6/65:49 pmDLH - STL
1 stop4h 03mDelta
Deal found 5/2$303
Thu 8/226:30 amSTL - DLH
1 stop3h 16mDelta
Sun 9/110:54 amDLH - STL
1 stop3h 35mDelta
Deal found 4/30$308
Tue 8/202:05 pmSTL - DLH
2 stops9h 38mDelta
Fri 8/305:50 pmDLH - STL
1 stop3h 39mDelta
Deal found 4/30$313
Tue 8/209:30 amSTL - DLH
1 stop4h 55mUnited Airlines
Sat 8/3111:14 amDLH - STL
1 stop4h 35mUnited Airlines
Deal found 4/30$333
Fri 5/106:11 amSTL - DLH
1 stop3h 37mDelta
Mon 5/136:07 pmDLH - STL
1 stop3h 45mDelta
Deal found 5/2$343
Sat 9/143:40 pmSTL - DLH
2 stops18h 09mDelta
Wed 9/185:50 pmDLH - STL
1 stop3h 41mDelta
Deal found 5/1$347

St. Louis to Duluth flights leaving soon

Find last-minute flight options from St. Louis to Duluth for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 3, 2024.
Consider one of these great deals we found on last-minute flights from St. Louis to Duluth. Users should be sure to double check the price, date, and time of their last-minute flight.
Fri 5/106:11 amSTL - DLH
1 stop3h 37mDelta
Mon 5/136:07 pmDLH - STL
1 stop3h 45mDelta
Deal found 5/2$343
Fri 5/104:51 pmSTL - DLH
2 stops21h 38mUnited Airlines
Mon 5/137:51 amDLH - STL
1 stop6h 32mUnited Airlines
Deal found 5/2$502
Fri 5/104:51 pmSTL - DLH
2 stops21h 38mUnited Airlines
Mon 5/133:15 pmDLH - STL
2 stops21h 26mUnited Airlines
Deal found 5/2$671

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 2,864,334 searches. Data last updated May 3, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$238 - $394

Route

Depart

Return

Price

Lambert-St LouisDuluth Intl

STL - DLH

STLDLH

Lambert-St Louis

Sat 9/14

1 stop3h 19m

Duluth Intl

Wed 9/18

1 stop3h 41m

$238

Lambert-St LouisDuluth Intl

STL - DLH

STLDLH

Lambert-St Louis

Tue 8/20

1 stop3h 16m

Duluth Intl

Fri 8/30

1 stop3h 39m

$248

Lambert-St LouisDuluth Intl

STL - DLH

STLDLH

Lambert-St Louis

Wed 8/21

1 stop3h 16m

Duluth Intl

Sat 8/31

2 stops8h 39m

$253

Lambert-St LouisDuluth Intl

STL - DLH

STLDLH

Lambert-St Louis

Thu 5/30

1 stop3h 37m

Duluth Intl

Thu 6/6

1 stop4h 03m

$303

Lambert-St LouisDuluth Intl

STL - DLH

STLDLH

Lambert-St Louis

Thu 8/22

1 stop3h 16m

Duluth Intl

Sun 9/1

1 stop3h 35m

$308

Lambert-St LouisDuluth Intl

STL - DLH

STLDLH

Lambert-St Louis

Tue 8/20

2 stops9h 38m

Duluth Intl

Fri 8/30

1 stop3h 39m

$313

Lambert-St LouisDuluth Intl

STL - DLH

STLDLH

Lambert-St Louis

Tue 8/20

1 stop4h 55m

Duluth Intl

Sat 8/31

1 stop4h 35m

$333

Lambert-St LouisDuluth Intl

STL - DLH

STLDLH

Lambert-St Louis

Tue 8/20

1 stop4h 55m

Duluth Intl

Sun 9/1

1 stop4h 35m

$363

Lambert-St LouisDuluth Intl

STL - DLH

STLDLH

Lambert-St Louis

Mon 8/19

1 stop4h 33m

Duluth Intl

Sat 8/31

1 stop4h 35m

$394

Flights are sorted by cheapest first

Deals found on 5/1

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 28, 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 $0 while a round-trip flight costs $306. Price data was last updated on April 28, 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 $594). 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

$398

May

$433

June

$594

July

$527

August

$406

September

$469

October

$443

November

$443

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 May 3, 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
10,861 reviews

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

8.1

Reviews

1 / 10

The actual flight out of MSP was great. However, it was delayed by an hour and we didn’t have anyone at our gate to provide any information until boarding.

8.1
Very good
10,861 reviews
8.1
Very good
10,861 reviews

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

8.1

Reviews

1 / 10

The actual flight out of MSP was great. However, it was delayed by an hour and we didn’t have anyone at our gate to provide any information until boarding.

7.4
Good
11,142 reviews
8.1
Very good
10,861 reviews

Comfort

7.9

Crew

8.6

Boarding

8.2

Food

7.4

Entertainment

8.0

Overall

8.1

Reviews

1 / 10

The actual flight out of MSP was great. However, it was delayed by an hour and we didn’t have anyone at our gate to provide any information until boarding.

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 $238, but on average you can expect to pay $358.

  • Are there last-minute flights available from St. Louis to Duluth for under $400?

    There are currently 3+ open flights from St. Louis to Duluth within the next 7 days for less than $400.

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

    Delta, at $238, 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 42% 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 on your St. Louis to Duluth flight 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 St. Louis to Duluth 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 find direct flights from St. Louis to Duluth.

  • 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 flying from St. Louis to Duluth 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 5/2.

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 2,864,334 searches. Data last updated May 3, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$358FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$379Average$603FlexibilityNo 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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