$253+ Cheap flights from St. Louis (STL) to Cape Cod and the Islands
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ACK
Jun 21 — Jun 281
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from St. Louis to Cape Cod and the Islands with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Cape Cod and the Islands
Keep the following information in mind while searching for St. Louis to Cape Cod and the Islands flight deals. Data was last updated June 16, 2025.
Round-trip from | $427 (American Airlines) |
|---|---|
One-way from | $253 (American Airlines) |
Popular in | June |
Cheapest in | September |
Average price | $442 |
Find flight deals from St. Louis to Cape Cod and the Islands
Cheapest flights from St. Louis to Cape Cod and the IslandsExplore the most affordable flight options available from St. Louis to Cape Cod and the Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.
Explore the most affordable flight options available from St. Louis to Cape Cod and the Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Wed 8/206:01 amSTL - MVY
1 stop6h 32mAmerican Airlines
Sat 8/2312:58 pmMVY - STL
1 stop5h 11mAmerican Airlines
Deal found 6/14![American Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 6/15. 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.
Sun 7/206:00 amSTL - MVY
1 stop7h 42mDelta
Sat 7/2611:55 amMVY - STL
1 stop7h 29mDelta
Deal found 6/15![Delta logo]()
$792
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Cape Cod and the Islands 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 16, 2025.
Use the filters below to find and compare flights from St. Louis to Cape Cod and the Islands that are best for you.
Fly from
St. Louis
Fly to
Cape Cod and the Islands
Route
Depart
Return
Price
St. LouisWest Tisbury
STL - MVY
STLMVY
Lambert-St Louis
Wed 8/20
6:01 am-1:33 pm
1 stop6h 32m
West Tisbury Martha's Vineyard
Sat 8/23
12:58 pm-5:09 pm
1 stop5h 11m
$427
St. LouisWest Tisbury
STL - MVY
STLMVY
Lambert-St Louis
Sun 7/20
6:00 am-2:42 pm
1 stop7h 42m
West Tisbury Martha's Vineyard
Sat 7/26
11:55 am-6:24 pm
1 stop7h 29m
$792
St. LouisWest Tisbury
STL - MVY
STLMVY
Lambert-St Louis
Fri 8/1
6:00 am-5:30 pm
1 stop10h 30m
$253
St. LouisWest Tisbury
STL - MVY
STLMVY
Lambert-St Louis
Wed 6/25
9:19 am-2:41 pm
1 stop4h 22m
$438
St. LouisWest Tisbury
STL - MVY
STLMVY
Lambert-St Louis
Fri 8/1
10:47 am-9:10 am
3 stops21h 23m
$593
Best time to book a flight from St. Louis to Cape Cod and the Islands
Have a flexible travel schedule? Discover the best time to fly to Cape Cod and the Islands from St. Louis 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 St. Louis to Cape Cod and the Islands
Rainfall in Cape Cod and the Islands by month
Plan your trip to Cape Cod and the Islands by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Cape Cod and the Islands ranges from 1.6 - 4.3 inches per month. January is typically the wettest month, when rainfall can reach 4.3 in. June is typically the driest time to visit Cape Cod and the Islands when rainfall is around 1.6 in.
Temperature in Cape Cod and the Islands by month
Plan your trip to Cape Cod and the Islands by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Cape Cod and the Islands, 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 February, when temperatures are typically at their lowest (around 32.0 F).
Reviews of airlines servicing Cape Cod and the Islands
Get insights into the airlines that provide service to Cape Cod and the Islands. 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 Cape Cod and the Islands. Reviews last updated June 16, 2025.
Food
7.3
Crew
8.5
Overall
8.0
Entertainment
7.9
Boarding
8.2
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Food
7.3
Crew
8.5
Overall
8.0
Entertainment
7.9
Boarding
8.2
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Food
7.3
Crew
8.5
Overall
8.0
Entertainment
7.9
Boarding
8.2
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Cape Cod and the Islands. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for St. Louis to Cape Cod and the Islands
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from St. Louis to Cape Cod and the Islands
Discover the top airline that operate flights from St. Louis to Cape Cod and the Islands. 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 16, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$260 | Average$431 | FlexibilityNo cancel fee | On-time71% |