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Flights from St. Louis to Tehran
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Latest Flight Deals from St. Louis to Tehran

Book one-way or return flights from St. Louis to Tehran from as little as THB 32,869. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip
      • STL12:50
        23h 40m
        2 stops
        IKA21:00
        Tue, Jun 18|St. Louis - Tehran|Lufthansa
        THB 32,869THB 301,627
        89% OFF
        89% OFF
        THB 301,627THB 32,869
      • STL11:38
        24h 52m
        2 stops
        IKA21:00
        Tue, Jun 18|St. Louis - Tehran|United Airlines
        THB 33,909THB 301,627
        89% OFF
        89% OFF
        THB 301,627THB 33,909
      • STL13:10
        35h 5m
        2 stops
        IKA08:45
        Tue, Jun 18|St. Louis - Tehran|Delta Air Lines
        THB 36,263THB 301,627
        88% OFF
        88% OFF
        THB 301,627THB 36,263
      • STL17:31
        20h 4m
        2 stops
        IKA22:05
        Tue, Jun 18|St. Louis - Tehran|Turkish Airlines
        THB 39,884
        THB 39,884
      • STL18:08
        42h 22m
        2 stops
        IKA21:00
        Tue, Jun 18|St. Louis - Tehran|American Airlines
        THB 40,783
        THB 40,783
      • STL16:48
        19h 57m
        2 stops
        IKA21:15
        Tue, Jun 18|St. Louis - Tehran|Qatar Airways
        THB 41,702
        THB 41,702
      • STL07:00
        29h 45m
        2 stops
        IKA21:15
        Tue, Jun 18|St. Louis - Tehran|Alaska Airlines
        THB 44,606
        THB 44,606
      • STL15:47
        21h 48m
        2 stops
        IKA22:05
        Tue, Jun 18|St. Louis - Tehran|Frontier Airlines
        THB 56,081
        THB 56,081
      • STL15:10
        24h 5m
        2 stops
        IKA23:45
        Tue, Jun 18|St. Louis - Tehran|Emirates
        THB 121,010
        THB 121,010
      • STL16:05
        43h 30m
        2 stops
        IKA20:05
        Tue, Jun 18|St. Louis - Tehran|Air Canada
        THB 232,253
        THB 232,253
      • STL13:00
        3h 5m
        Direct
        THR14:00
        Wed, Jun 5|St. Louis - Tehran|Lufthansa
        Find More Flights
        Find More Flights

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

Searching for the best last minute flight from St. Louis to Tehran? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from St. Louis to Tehran. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from St. Louis to Tehran

View airlines operating flights from St. Louis to Tehran. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Lufthansa
From THB 32,860
United Airlines
From THB 33,901
Delta Air Lines
From THB 36,253
Turkish Airlines
From THB 39,874
American Airlines
From THB 40,773
Qatar Airways
From THB 41,691
Alaska Airlines
From THB 44,595
Frontier Airlines
From THB 56,067
Emirates
From THB 120,980
Air Canada
From THB 232,194
ANA airlines

Find more flights and airlines

Alternative Routes from St. Louis to Tehran

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from St. Louis to Tehran.

  • Cheapest
    Lufthansa
    STL
    12:50
    23h 40m
    2 transfer
    IKA
    21:00
    St. Louis Lambert International Airport - Imam Khomeini International Airport
    Tue, Jun 18Lufthansa
    THB 32,860
  • Lufthansa
    STL
    12:50
    23h 40m
    2 transfer
    IKA
    21:00
    St. Louis Lambert International Airport - Imam Khomeini International Airport
    Tue, Jun 18Lufthansa
    THB 32,860
    Find More Flights

How do I find the cheapest flights?

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

    Airlines adjust prices for flights from St. Louis to Tehran 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 Tehran (THR) cost?

    According to Trip.com's data, the lowest price is around THB 82,166.

  • What is the transportation method from the main airport to downtown in Tehran?

    • The distance from Imam Khomeini International Airport to downtown is about 40km. It takes about 1 hour by taxi.

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

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 Tehran. 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 Information from St. Louis to Tehran

Off-season for travel

April

Peak season for travel

June

Flight distance

10,861.83km

Popular airline

Lufthansa

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