App
Customer Support
NZD
Find Bookings
Trip.com
>
Flights
>
Flights to United States
>
Flights to Wilmington
>
Flights from St. Louis to Wilmington
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap flight deals from St. Louis to Wilmington Starting at NZD 186

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip
      • STL10:26 am
        6h 47m
        1 stop
        ILM06:13 pm
        Wed, Mar 5|St. Louis - Wilmington|Delta Air Lines
        NZD 186NZD 1,578
        88% OFF
        88% OFF
        NZD 1,578NZD 186

        Choose Delta Air Lines flights from St. Louis to Wilmington. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Wed, Mar 5, arriving at Wilmington International Airport. One-way Prices start from NZD 186 including taxes and charges.

      • STL05:20 pm
        21h 27m
        1 stop
        ILM03:47 pm
        Sat, Feb 22|St. Louis - Wilmington|Frontier Airlines
        NZD 240NZD 1,578
        85% OFF
        85% OFF
        NZD 1,578NZD 240

        Choose Frontier Airlines flights from St. Louis to Wilmington. The one-way connecting flight with Frontier Airlines departs from St. Louis Lambert International Airport on Sat, Feb 22, arriving at Wilmington International Airport. One-way Prices start from NZD 240 including taxes and charges.

      • STL06:04 am
        8h 3m
        1 stop
        ILM03:07 pm
        Sat, Feb 22|St. Louis - Wilmington|American Airlines
        NZD 365NZD 1,578
        77% OFF
        77% OFF
        NZD 1,578NZD 365

        Choose American Airlines flights from St. Louis to Wilmington. The one-way connecting flight with American Airlines departs from St. Louis Lambert International Airport on Sat, Feb 22, arriving at Wilmington International Airport. One-way Prices start from NZD 365 including taxes and charges.

      • STL05:34 pm
        5h 22m
        1 stop
        ILM11:56 pm
        Sat, Feb 22|St. Louis - Wilmington|United Airlines
        NZD 414
        NZD 414

        Choose United Airlines flights from St. Louis to Wilmington. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Sat, Feb 22, arriving at Wilmington International Airport. One-way Prices start from NZD 414 including taxes and charges.

      • STL06:00 am
        3h 38m
        1 stop
        ILM10:38 am
        Thu, Mar 20|St. Louis - Wilmington|Delta Air Lines
        NZD 442
        NZD 442

        Choose Delta Air Lines flights from St. Louis to Wilmington. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Thu, Mar 20, arriving at Wilmington International Airport. One-way Prices start from NZD 442 including taxes and charges.

      • STL02:00 pm
        24h 47m
        1 stop
        ILM03:47 pm
        Sat, Feb 22|St. Louis - Wilmington|Southwest Airlines
        NZD 464
        NZD 464

        Choose Southwest Airlines flights from St. Louis to Wilmington. The one-way connecting flight with Southwest Airlines departs from St. Louis Lambert International Airport on Sat, Feb 22, arriving at Wilmington International Airport. One-way Prices start from NZD 464 including taxes and charges.

      • STL07:30 am
        7h 4m
        1 stop
        ILM03:34 pm
        Thu, Mar 20|St. Louis - Wilmington|United Airlines
        NZD 522
        NZD 522

        Choose United Airlines flights from St. Louis to Wilmington. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Thu, Mar 20, arriving at Wilmington International Airport. One-way Prices start from NZD 522 including taxes and charges.

      • STL01:35 pm
        20h 55m
        1 stop
        ILM11:30 am
        Sat, Feb 22|St. Louis - Wilmington|Delta Air Lines
        NZD 607
        NZD 607

        Choose Delta Air Lines flights from St. Louis to Wilmington. The one-way connecting flight with Delta Air Lines departs from St. Louis Lambert International Airport on Sat, Feb 22, arriving at Wilmington International Airport. One-way Prices start from NZD 607 including taxes and charges.

      • STL05:34 pm
        5h 22m
        1 stop
        ILM11:56 pm
        Fri, Feb 21|St. Louis - Wilmington|United Airlines
        NZD 681
        NZD 681

        Choose United Airlines flights from St. Louis to Wilmington. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Fri, Feb 21, arriving at Wilmington International Airport. One-way Prices start from NZD 681 including taxes and charges.

      • STL12:58 pm
        8h 29m
        1 stop
        ILM10:27 pm
        Thu, Mar 20|St. Louis - Wilmington|American Airlines
        NZD 686
        NZD 686

        Choose American Airlines flights from St. Louis to Wilmington. The one-way connecting flight with American Airlines departs from St. Louis Lambert International Airport on Thu, Mar 20, arriving at Wilmington International Airport. One-way Prices start from NZD 686 including taxes and charges.

      • STL01:00 pm
        3h 5m
        Nonstop
        ILM02:00 pm
        Sun, Feb 23|St. Louis - Wilmington|Delta Air Lines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

St. Louis to Wilmington Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. UA4566

    United Airlines

    01:03 pm

    STL

    1.5h

    02:35 pm

    ORD

    SMTWTFS
    Search

  2. UA2850

    United Airlines

    04:40 pm

    ORD

    2.3h

    07:55 pm

    EWR

    SMTWT-S

  3. UA4511

    United Airlines

    09:59 pm

    EWR

    1.9h

    11:56 pm

    ILM

    SMTWTFS

  4. DL566

    Delta Air Lines

    02:05 pm

    STL

    1.7h

    04:45 pm

    ATL

    SMTWTFS
    Search

  5. DL5214

    Delta Air Lines

    04:52 pm

    ATL

    1.4h

    06:13 pm

    ILM

    SMT-T--

  6. DL1485

    Delta Air Lines

    05:40 pm

    STL

    1.8h

    08:25 pm

    ATL

    SMTWTFS
    Search

  7. DL5251

    Delta Air Lines

    09:25 pm

    ATL

    1.4h

    10:47 pm

    ILM

    SMTWTFS

  8. AA5033

    American Airlines

    06:04 am

    STL

    2.3h

    09:19 am

    DCA

    SMTWTFS
    Search

  9. AA5286

    American Airlines

    02:24 pm

    DCA

    1.4h

    03:48 pm

    ILM

    SMTWTFS

  10. UA3424

    United Airlines

    06:22 pm

    STL

    2.6h

    10:00 pm

    EWR

    SMTWTFS
    Search

  11. UA4511

    United Airlines

    09:59 pm

    EWR

    1.9h

    11:56 pm

    ILM

    SMTWTFS

  12. AA2486

    American Airlines

    06:47 pm

    STL

    1.9h

    09:41 pm

    CLT

    SMTWT-S
    Search

  13. AA1017

    American Airlines

    10:47 pm

    CLT

    1.2h

    11:59 pm

    ILM

    SMTWTFS

  14. UA3564

    United Airlines

    07:05 am

    STL

    2.5h

    10:34 am

    EWR

    SMTWTFS
    Search

  15. UA4385

    United Airlines

    02:07 pm

    EWR

    1.9h

    03:58 pm

    ILM

    SMTWTFS

  16. DL1571

    Delta Air Lines

    10:10 am

    STL

    1.6h

    12:46 pm

    ATL

    SMTWTFS
    Search

  17. DL5214

    Delta Air Lines

    04:52 pm

    ATL

    1.4h

    06:13 pm

    ILM

    SMT-T--

  18. DL1571

    Delta Air Lines

    10:10 am

    STL

    1.6h

    12:46 pm

    ATL

    SMTWTFS
    Search

  19. DL4152

    Delta Air Lines

    01:59 pm

    ATL

    1.3h

    03:19 pm

    ILM

    -MT----

  20. AA4479

    American Airlines

    12:32 pm

    STL

    2.5h

    04:00 pm

    LGA

    SMTWTFS
    Search

  21. AA4792

    American Airlines

    07:58 pm

    LGA

    1.8h

    09:48 pm

    ILM

    SMTWTFS
Find more flights and airlines

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

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from St. Louis (STL) to Wilmington (ILM) the cheapest?

    Airlines adjust prices for flights from St. Louis to Wilmington based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from St. Louis (STL) to Wilmington (ILM) cost?

    According to Trip.com's data, the lowest price is around NZD 767.

How to find a cheap flight from St. Louis to Wilmington

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from St. Louis to Wilmington. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | St. Louis to Wilmington

Cheapest nonstop flight priceNZD 185
Off-season for travelFebruary
Peak season for travelJanuary
Flight distance1,198.8 km
Popular airlineUnited Airlines

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.