$1,209 Cheap Flights from St. Louis (STL) to Asmara (ASM)

View $1,209 flight on Tue, Jan 6, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Asmara (ASM-Asmara Intl.)

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Cheap Flights from St. Louis to Asmara (STL-ASM)

Prices were available within the past 7 days and start at $1,209 for one-way flights and $1,363 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Jan 4 - Mon, Jan 19
STL
St. Louis
ASM
Asmara
$1,363 Roundtrip, found 2 days ago
$1,363
Roundtrip
found 2 days ago
Select United flight, departing Sun, Jan 4 from St. Louis to Asmara, returning Mon, Jan 19, priced at $1,363 found 2 days ago
United
Sun, Jan 4 - Sun, Jan 18
STL
St. Louis
ASM
Asmara
$1,365 Roundtrip, found 2 days ago
$1,365
Roundtrip
found 2 days ago
Select United flight, departing Sun, Jan 4 from St. Louis to Asmara, returning Sun, Jan 18, priced at $1,365 found 2 days ago
United
Sun, Jan 4 - Wed, Mar 4
STL
St. Louis
ASM
Asmara
$1,366 Roundtrip, found 3 days ago
$1,366
Roundtrip
found 3 days ago
Select United flight, departing Sun, Jan 4 from St. Louis to Asmara, returning Wed, Mar 4, priced at $1,366 found 3 days ago
United
Sun, Jan 4 - Tue, Jan 20
STL
St. Louis
ASM
Asmara
$1,368 Roundtrip, found 2 days ago
$1,368
Roundtrip
found 2 days ago
Select United flight, departing Sun, Jan 4 from St. Louis to Asmara, returning Tue, Jan 20, priced at $1,368 found 2 days ago
Air Canada
Mon, Oct 6 - Mon, Oct 13
STL
St. Louis
ASM
Asmara
$1,370 Roundtrip, found 4 days ago
$1,370
Roundtrip
found 4 days ago
Select Air Canada flight, departing Mon, Oct 6 from St. Louis to Asmara, returning Mon, Oct 13, priced at $1,370 found 4 days ago
United
Thu, Jan 22 - Wed, Feb 11
STL
St. Louis
ASM
Asmara
$1,374 Roundtrip, found 2 days ago
$1,374
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jan 22 from St. Louis to Asmara, returning Wed, Feb 11, priced at $1,374 found 2 days ago
United
Mon, Jan 26 - Tue, Feb 10
STL
St. Louis
ASM
Asmara
$1,376 Roundtrip, found 2 days ago
$1,376
Roundtrip
found 2 days ago
Select United flight, departing Mon, Jan 26 from St. Louis to Asmara, returning Tue, Feb 10, priced at $1,376 found 2 days ago
United
Mon, Feb 2 - Tue, Feb 17
STL
St. Louis
ASM
Asmara
$1,378 Roundtrip, found 2 days ago
$1,378
Roundtrip
found 2 days ago
Select United flight, departing Mon, Feb 2 from St. Louis to Asmara, returning Tue, Feb 17, priced at $1,378 found 2 days ago
Emirates
Tue, Feb 3 - Fri, Feb 13
STL
St. Louis
ASM
Asmara
$1,827 Roundtrip, found 2 days ago
$1,827
Roundtrip
found 2 days ago
Select Emirates flight, departing Tue, Feb 3 from St. Louis to Asmara, returning Fri, Feb 13, priced at $1,827 found 2 days ago
Turkish Airlines
Mon, Oct 6 - Mon, Oct 13
STL
St. Louis
ASM
Asmara
$1,963 Roundtrip, found 4 days ago
$1,963
Roundtrip
found 4 days ago
Select Turkish Airlines flight, departing Mon, Oct 6 from St. Louis to Asmara, returning Mon, Oct 13, priced at $1,963 found 4 days ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Asmara Intl. Airport (ASM) cost?
Lock in a cheap one-way flight from $1,209 or cheap return flight from $1,363 from Lambert-St. Louis Intl. Airport (STL) to Asmara Intl. Airport (ASM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Asmara Intl. Airport (ASM)?
January is the most affordable month to fly from STL to ASM. Planning your trip for the off-season is often the key to better flight prices.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Asmara Intl. Airport (ASM)?
To find the cheapest airline that'll fly you from STL to ASM, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Asmara Intl. Airport (ASM)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Asmara Intl. Airport (ASM) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to ASM?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on a number of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Asmara Intl. Airport (ASM)?
Opt for a flight from Lambert-St. Louis Intl. Airport (STL) to Asmara Intl. Airport (ASM) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Asmara Intl. Airport (ASM) last-minute?
Booking your flight from STL to ASM shortly before your trip is usually more expensive. But if you're flexible with your travel dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a STL to ASM flight and hotel package?
Booking a STL to ASM flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our extensive range of hotels and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Asmara Intl. Airport (ASM)?
If you booked your STL to ASM flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Asmara Intl.
Roundtrip price
$1,362
Distance
7470 mi

Book with confidence

Book with confidence

St. Louis to Asmara Flights

The cheapest times to fly from St. Louis to Asmara

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Asmara are during the month of January. You can find some of the cheapest flights from St. Louis to Asmara with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Asmara

Sunday is one of the best days to book for cheap flights from St. Louis to Asmara: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Asmara

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Asmara in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,209 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Asmara flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Asmara airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Asmara Flights

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*Available to One Key members.