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$308+ Cheap flights from Marquette to St. Louis (MQT - STL)

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 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
MQT — STL
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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Cheap flight deals from Marquette to St. Louis

Cheapest flights from Marquette to St. Louis
Explore the most affordable flight options available from Marquette to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.

This Delta deal was found by Cheapflights users on 7/23. 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.
Mon 12/212:00 pm
MQT
-
STL
1 stop3h 50m
Delta
Sun 12/275:45 pm
STL
-
MQT
1 stop4h 30m
Delta
Deal found 7/23$308
This Delta deal was found by Cheapflights users on 7/23. 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.
Mon 12/212:00 pm
MQT
-
STL
2 stops7h 49m
Delta
Sat 12/266:45 am
STL
-
MQT
1 stop5h 37m
Delta
Deal found 7/23$314
This Delta deal was found by Cheapflights users on 7/24. 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 12/232:00 pm
MQT
-
STL
1 stop3h 50m
Delta
Sun 12/275:45 pm
STL
-
MQT
1 stop4h 30m
Delta
Deal found 7/24$318
This Delta deal was found by Cheapflights users on 7/20. 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.
Fri 8/145:12 pm
MQT
-
STL
2 stops7h 46m
Delta
Tue 8/186:25 pm
STL
-
MQT
1 stop3h 48m
Delta
Deal found 7/20$399
This Delta deal was found by Cheapflights users on 7/23. 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.
Mon 12/212:00 pm
MQT
-
STL
2 stops7h 49m
Delta
Mon 12/286:00 am
STL
-
MQT
2 stops6h 22m
Delta
Deal found 7/23$428
This American Airlines deal was found by Cheapflights users on 7/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:29 pm
MQT
-
STL
1 stop11h 45m
American Airlines
Sat 8/299:32 am
STL
-
MQT
1 stop6h 22m
American Airlines
Deal found 7/23$442
This Delta deal was found by Cheapflights users on 7/23. 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 12/257:31 am
MQT
-
STL
2 stops9h 27m
Delta
Sat 12/266:45 am
STL
-
MQT
1 stop5h 37m
Delta
Deal found 7/23$454

Find flight deals from Marquette to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Marquette (MQT) to St. Louis (STL). 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 July 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$308
(Delta)
Provider with most accurate pricing for Marquette Sawyer Intl-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Marquette Sawyer Intl-Lambert-St Louis flights.
Search Deals
From Marquette Sawyer Intl to Lambert-St Louis
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Marquette to St. Louis 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 July 25, 2026.
Use the filters below to find and compare flights from Marquette to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MarquetteSt. Louis

MQT - STL

MQTSTL

Marquette Sawyer Intl

Thu 11/19

7:31 am-1:20 pm

1 stop6h 49m

Lambert-St Louis

Sun 11/29

6:45 am-1:22 pm

1 stop5h 37m

$308

MarquetteSt. Louis

MQT - STL

MQTSTL

Marquette Sawyer Intl

Wed 12/23

2:00 pm-8:49 pm

2 stops7h 49m

Lambert-St Louis

Sun 12/27

5:45 pm-11:15 pm

1 stop4h 30m

$314

MarquetteSt. Louis

MQT - STL

MQTSTL

Marquette Sawyer Intl

Mon 12/21

2:00 pm-8:49 pm

2 stops7h 49m

Lambert-St Louis

Sun 12/27

5:45 pm-11:15 pm

1 stop4h 30m

$314

MarquetteSt. Louis

MQT - STL

MQTSTL

Marquette Sawyer Intl

Thu 12/24

2:00 pm-11:39 pm

2 stops10h 39m

Lambert-St Louis

Sun 12/27

6:00 am-1:22 pm

2 stops6h 22m

$319
Quickest round-trip

MarquetteSt. Louis

MQT - STL

MQTSTL

Marquette Sawyer Intl

Fri 8/14

5:12 pm-11:58 pm

2 stops7h 46m

Lambert-St Louis

Tue 8/18

6:25 pm-11:13 pm

1 stop3h 48m

$399

MarquetteSt. Louis

MQT - STL

MQTSTL

Marquette Sawyer Intl

Tue 8/25

1:29 pm-12:14 am

1 stop11h 45m

Lambert-St Louis

Sat 8/29

9:32 am-4:54 pm

1 stop6h 22m

$442

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

Sorted by cheapest first

Compare providers for flights from Marquette to St. Louis

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 Marquette to St. Louis in July.
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 Marquette-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Marquette-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Marquette-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Marquette-St. Louis 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 Marquette-St. Louis 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 Marquette to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Marquette 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.

Related info for your journey

Find useful and relevant information for your journey from Marquette to St. Louis. 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 Marquette to St. Louis?

    For as low as $308, Delta can have you in St. Louis from Marquette in 6h 49m. The distance between Marquette and St. Louis is about 546 mi.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Marquette to St. Louis.

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

    Yes. Cheapflights offers flight deals from Marquette to St. Louis 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington

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