Cheap flights To Sullivan (STL) from $38

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Cheap Flights to Sullivan from $38 One Way, $81 Round Trip

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Mon, Apr 13 - Mon, Apr 13
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$81 Roundtrip, found 5 days ago
$81
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Mon, Apr 13 from Denver Intl. to Lambert-St. Louis Intl., returning Mon, Apr 13, priced at $81 found 5 days ago
Wed, Apr 8 - Mon, Apr 13
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$93 Roundtrip, found 6 days ago
$93
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Wed, Apr 8 from Denver Intl. to Lambert-St. Louis Intl., returning Mon, Apr 13, priced at $93 found 6 days ago
Sat, Apr 18 - Mon, Apr 20
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$96 Roundtrip, found 1 day ago
$96
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Apr 18 from Denver Intl. to Lambert-St. Louis Intl., returning Mon, Apr 20, priced at $96 found 1 day ago
Sat, Apr 4 - Mon, Apr 13
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$97 Roundtrip, found 6 days ago
$97
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sat, Apr 4 from Denver Intl. to Lambert-St. Louis Intl., returning Mon, Apr 13, priced at $97 found 6 days ago
Fri, Apr 3 - Sat, Apr 4
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$100 Roundtrip, found 5 hours ago
$100
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Fri, Apr 3 from Denver Intl. to Lambert-St. Louis Intl., returning Sat, Apr 4, priced at $100 found 5 hours ago
Fri, Apr 10 - Mon, Apr 13
DEN
Denver Intl.
STL
Lambert-St. Louis Intl.
$102 Roundtrip, found 5 hours ago
$102
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Fri, Apr 10 from Denver Intl. to Lambert-St. Louis Intl., returning Mon, Apr 13, priced at $102 found 5 hours ago
Sat, Apr 18 - Sat, Apr 25
IAH
George Bush Intercontinental
STL
Lambert-St. Louis Intl.
$160 Roundtrip, found 6 days ago
$160
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sat, Apr 18 from George Bush Intercontinental to Lambert-St. Louis Intl., returning Sat, Apr 25, priced at $160 found 6 days ago
Thu, Apr 30 - Wed, May 6
EWR
Newark Liberty Intl. Airport
STL
Lambert-St. Louis Intl.
$180 Roundtrip, found 1 day ago
$180
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Apr 30 from Newark Liberty Intl. Airport to Lambert-St. Louis Intl., returning Wed, May 6, priced at $180 found 1 day ago
Mon, Apr 20 - Thu, Apr 23
LGA
LaGuardia
STL
Lambert-St. Louis Intl.
$184 Roundtrip, found 13 hours ago
$184
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Mon, Apr 20 from LaGuardia to Lambert-St. Louis Intl., returning Thu, Apr 23, priced at $184 found 13 hours ago
Sun, Apr 26 - Thu, Apr 30
IAD
Washington Dulles Intl.
STL
Lambert-St. Louis Intl.
$203 Roundtrip, found 5 days ago
$203
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Sun, Apr 26 from Washington Dulles Intl. to Lambert-St. Louis Intl., returning Thu, Apr 30, priced at $203 found 5 days ago

Sullivan Flight Information

Traveling To
Sullivan
Destination Airport IATA Code
STL
Number of Airlines Serving
Airlines
Frontier Airlines
Flight Price
$81
Earliest Departing Flight
Latest Departing Flight

Book Your Flight & Hotel Together & Save

Sullivan economy flight packages

Price found within the past 48 hours. Click for updated prices.
Sonesta ES Suites St. Louis - Chesterfield
3.0-star property

Sonesta ES Suites St. Louis - Chesterfield

Apr 30 - May 3

3 night stay

Ontario (ONT) to St. Louis (STL)

Southwest Airlines • Non-stop • Coach

St. Louis (STL) to Ontario (ONT)

Frontier Airlines • Non-stop • Coach
Price was $571, price is now $502 per person
$502
per person
found 21 hours ago
The Wildwood Hotel
3.5-star property

The Wildwood Hotel

Apr 17 - Apr 19

2 night stay

Detroit (DTW) to St. Louis (STL)

Southwest Airlines • Roundtrip • Coach
Price was $798, price is now $557 per person
$557
per person
found 13 hours ago
Homewood Suites by Hilton St. Louis-Chesterfield
3.0-star property

Homewood Suites by Hilton St. Louis-Chesterfield

Apr 30 - May 3

3 night stay

Ontario (ONT) to St. Louis (STL)

Southwest Airlines • Non-stop • Coach

St. Louis (STL) to Ontario (ONT)

Frontier Airlines • Non-stop • Coach
Price was $686, price is now $606 per person
$606
per person
found 21 hours ago
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Sullivan

Start your search for cheap flights to Sullivan on Orbitz. Orbitz is where you will discover guaranteed low prices on Sullivan flights, as well as all of the following conveniences:

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Orbitz offers cutting-edge mobile tools for your smartphone. Whether you own an iPhone or an Android phone, you can benefit from Orbitz’s flight status updates and even book your future Sullivan flights. You can also review and reserve hotel rooms for when your Sullivan flights land and see other special offers.

Low Prices Guaranteed on Flights to Sullivan

Orbitz offers large discounts on a wide range of Sullivan flights. Through our easy-to-use site, you can find, plan, and reserve your desired flights to Sullivan while taking advantage of the lowest fares around.

Customer Care When You Need It

Orbitz is dedicated to making your flight booking experience as stress-free as possible. If you need to cancel your reservation, you can do so at your own convenience by going to the Orbitz website. If you need to change your flights to Sullivan to another time or date, you can contact our customer service representatives by phone, and they help you make the flight adjustments you need.

Loyalty Program Participation Opportunities

Orbitz lets you add your loyalty or frequent flyer account numbers when you book qualifying flights to Sullivan. So don’t worry about missing out on earning miles or points simply because you aren’t booking with the airline directly. You can save on your flights, and rack up miles too.

Frequently asked questions

Which airlines fly to Sullivan?
With 20 airlines servicing Lambert-St. Louis Intl. Airport (STL), the entrance point to Sullivan, you can take your pick. Find an awesome deal among these popular international airlines that fly to this city:

  • Air Canada - 35 flights to Sullivan per month
  • Frontier Airlines - 17 flights to Sullivan per month
  • Lufthansa - 3 flights to Sullivan per month

How much is a flight to Sullivan?
If you're looking at round-trip flights, fares ranged between $81 and $203 this week. The best prices for one-way tickets were $38, originating from Denver (DEN).
How to book the cheapest flight to Sullivan?
With some of the most amazing flight deals around, bagging a bargain is easy with Orbitz. The following useful tips will help you find cheap flights to Sullivan — and leave you with more money in your pocket:

  • Depending on your departure point, click on the 'Nearby airports' function (located under the departure and arrival form fields). From time to time, alternative departure points offer more competitive fares.
  • Similarly, click on the 'Show flexible dates' link to compare the prices on days either side of your selected departure. You may be able to score cheaper flight deals if you're flexible with your schedule.
  • Select 'Show options' to filter your search results. You can pick your preferred airline and seating class here. Under 'Sort & Filter' to the left, you can even specify whether you'd like to fly in the morning, afternoon or evening.
  • Once you've figured out your travel dates, lock in your flight. Airfares normally get dearer as the departure date gets closer.
  • Combine your flights, hotels and car rental into a cost-effective package deal. Save your hard-earned cash for things that really excite you, like exploring every corner of Sullivan.
  • If practical, avoid traveling in high seasons. Airfares surge during school breaks, summer and around other vacation times like Easter, Thanksgiving and Christmas.

What is the best time to book a flight to Sullivan?
On average, the cheapest time to reserve a plane ticket is January. This is followed by February and August. When searching for a cheap flight to Sullivan, it's always good to be ready to book. Cheap deals emerge quickly and don't stick around!
What day of the week is the cheapest to book a flight to Sullivan?
Make a booking on a Tuesday, Wednesday or Saturday. Typically, these are the cheapest days to purchase seats to Sullivan. The vacation of your dreams starts with a fantastic flight deal!
What is the cheapest day of the week to fly to Sullivan?
Everyone loves saving money, so we recommend going earlier in the week for cheap flights to Sullivan. Orbitz data from 2020 shows you can grab the best deals on flights taking off on Mondays. Tuesday is the next cheapest day, while Saturdays are likely to cost a bundle. Many people like to start their trip at the end of the week, so leave those Saturdays for checking in with friends.
What is the cheapest month to fly to Sullivan?
Get set to jet for less in August. This is generally the best month to get on a plane if you want cheap flights to Sullivan, according to Orbitz data. The least affordable time to fly is June, so avoid this month if possible.
Which airlines allow free cancellation?
Things change, and your flight should be able to do the same. That's why Orbitz makes it a breeze to search for fares with no change fees and free cancellation. Simply enter your departure and arrival points and then select "Filter by flexible change policies." How's that for easy?
What do I need for the flight to Sullivan?
Nothing's more fun than jetting someplace new, but it pays to be prepared. The following practical tips will help get your journey off to a flying start:

  • Whether you print it out beforehand or use an electronic one, you'll need your boarding pass to step foot on the plane. You'll also need some sort of government-issued photo ID. If you're flying internationally, make sure your passport is valid and you've checked visa requirements.
  • To keep you amused on your short trip to Sullivan, download some new tunes or restock the audiobook library on your phone. Food can also be a nice distraction while in the air, so pack a snack.
  • Even if you're flying when it's sweltering outside, carry a sweater or hoodie on board with you. Airplane cabins can get a bit chilly!

How do I get cheap first-class/business deals to Sullivan?
If you think a first or business-class airfare is way out of your reach, you may want to think again. Here are some terrific tips to help you nab a premium flight to Sullivan for a whole lot less:

  • Flexibility isn't just for your yoga class. Avoid locking in your travel dates so you can snap up cheaper airfares when a huge sale drops.
  • Budget airlines offer first or business-class seats at a fraction of the usual price. Ditch the full-service carriers and go with one of these cheaper options.
  • Bid for an upgrade. Some carriers hold online auctions that let you put down a price for a seat at the front of the plane. You can also try upgrading with points earned through a loyalty program.

What is the best time to go to Sullivan?
Tourists come from near and far to go to Sullivan in May, June and September. So if you want to explore this fantastic destination in the busy season, this is the best time to go. Like many places in the Northern Hemisphere, the summer begins June 20 in Sullivan, with average daily temperatures fluctuating between 65 ºF and 85 ºF.
Travel tips for Sullivan

  • Sullivan Country Club is one of this buzzing city's most popular attractions. Book somewhere to stay close to the downtown area and swing by whenever you want.
  • If you'd like to venture farther afield and explore other Sullivan drawcards, organize a car rental and make tracks to Six Flags St. Louis. It won't take long to reach from the center.
  • When it's time to experience more exciting places in Franklin County, make sure the gas tank is full and drive toward Berger. One of the region's other major cities, the possibilities for fun are infinite here.

More to Explore

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.