FlightsFrom St. Louis

To Istanbul

Cheap Flights from St. Louis to Istanbul

Browse current best options from St. Louis. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

St. Louis

RatePunk searches hundreds of travel sites at once for deals on flights to Istanbul

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from St. Louis to Istanbul

Explore current cheapest deals departing from St. Louis to Istanbul

October 6 - October 15

Cheapest
Best

STL - Istanbul

$972

$753

Round trip

November 9 - November 25

STL - Istanbul

$941

$804

Round trip

November 4 - November 17

STL - Istanbul

$949

$812

Round trip

November 2 - November 13

STL - Istanbul

$943

$822

Round trip

November 18 - November 25

STL - Istanbul

$931

$831

Round trip

December 9 - December 16

STL - Istanbul

$1,059

$831

Round trip

August 5 - August 26

Earliest

STL - Istanbul

$887

$832

Round trip

December 13 - December 20

STL - Istanbul

$1,064

$841

Round trip

December 8 - December 15

STL - Istanbul

$1,059

$844

Round trip

October 11 - October 24

STL - Istanbul

$980

$857

Round trip

Unlock all 500+ flight deals to Istanbul and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from St. Louis to Istanbul

Only 2% of recent fares from St. Louis to Istanbul were classified as a good price. Fares for this route typically range from $744–$989, with a median of $824. Right now, fares are above the typical level, suggesting you might pay more than the median price for your trip. New deals appear almost daily, so setting up a price alert can help you track fluctuations.
When considering cheap flights from St. Louis to Istanbul, the cheapest time to fly is typically during the spring months. April stands out as the most affordable month, with a median fare of $748. Following closely, May offers a median fare of $799, and June presents a median of $808, making these months generally more budget-friendly for your journey.
A typical journey from St. Louis to Istanbul takes about 28h 57m including connections. This is a long-haul route, covering a substantial distance of 9192 km. Most itineraries connect at least once, with the median number of stopovers being 2 when a connection is required. There are no direct flights from St. Louis to Istanbul, so all travel will involve at least one stop.

How much is a round trip from St. Louis to Istanbul

Regular price: $810 - $1,787

Prices for flights from St. Louis to Istanbul are currently below the regular range.

The regular price range for flights from St. Louis to Istanbul is between $810 and $1787. The current lowest deal is $753 with Deutsche Luft Hansa, for travel from Oct 6 to Oct 15.

now $753

Low $810

High $1,787

The cheapest time to fly from St. Louis to Istanbul

The cheapest month to fly from St. Louis to Istanbul is April, with a median price of $748. The most expensive month is July, with a median price of $1481. Prices are generally lower from February to December.

April

Cheapest

Flights from $748

July

Most Expensive

Flights from $1,481

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Direct flights from St. Louis to Istanbul

Airline logo

Lufthansa

Airline logo

United Airlines

Airline logo

Turkish Airlines

Airline logo

Air Canada

Last-minute flights going from St. Louis to Istanbul

Wed, Jul 8

⌛ Last-Minute

STL - Istanbul

Lufthansa

St. Louis (STL) - Istanbul (IST)

Lufthansa

$1,020

$1,018

One-way

Wed, Jul 15

⌛ Last-Minute

STL - Istanbul

Lufthansa

St. Louis (STL) - Istanbul (IST)

Lufthansa

$1,001

$1,060

One-way

Wed, Jul 15

⌛ Last-Minute

STL - Istanbul

Turkish Airlines

St. Louis (STL) - Istanbul (IST)

Turkish Airlines

$985

$1,183

One-way

Wed, Jul 15

⌛ Last-Minute

STL - Istanbul

Lufthansa

St. Louis (STL) - Istanbul (IST)

Lufthansa

$1,023

$1,216

One-way

Fri, Jul 17

⌛ Last-Minute

STL - Istanbul

Lufthansa

St. Louis (STL) - Istanbul (IST)

Lufthansa

$1,023

$1,110

One-way

Fri, Jul 17

⌛ Last-Minute

STL - Istanbul

United Airlines

St. Louis (STL) - Istanbul (IST)

United Airlines

$1,022

$1,167

One-way

Biggest price drops on these dates for flights from St. Louis to Istanbul

7 nights

Dec 9 - Dec 16

$1,059  →  $831

22%

9 nights

Oct 6 - Oct 15

$972  →  $746

23%

7 nights

Dec 13 - Dec 20

$1,064  →  $841

21%

7 nights

Dec 8 - Dec 15

$1,059  →  $844

20%

Popular Airports to fly from St. Louis to Istanbul

St. Louis - Istanbul route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from St. Louis to Istanbul are below the typical level, with deals around $753.

📅 Best time to fly

Fly in April for the best prices

Historically, April offers the lowest median price at $748 for flights from St. Louis to Istanbul.

⏱️ Flight duration

Expect long-haul flights with 2+ stops

Flights to Istanbul from St. Louis typically take 28h 57m, with a median of 2 stopovers.

✈️ Airlines & availability

Frequent deals from various carriers

Deals for this route are frequent, with over 1 deal per day historically available.

🏆 Airline highlight

Lufthansa offers many deals

Lufthansa has historically offered the most deals for flights from St. Louis to Istanbul.

🎯 Booking tip

Only 2% of deals are considered good

Only a small percentage of deals are considered good, so act fast when you find one.

St. Louis main airports to depart from

St. Louis Lambert International (STL)

Cheapest

St. Louis Lambert International Airport is a good option for flights from St. Louis to Istanbul.

📍 ~20 km from city center (reachable by car)

💸 Flights from ~$753

Istanbul main airports to arrive at

Istanbul Airport (IST)

Cheapest

Istanbul Airport is a primary arrival option for flights from St. Louis to Istanbul.

📍 ~35 km from Istanbul city center (reachable by car)

💸 Flights from ~$753

Sabiha Gökçen International (SAW)

Sabiha Gökçen International provides an alternative arrival point for flights to Istanbul.

📍 ~40 km from Istanbul city center (reachable by car)

💸 Flights from ~$983

Airports nearby Istanbul used as alternative

Esenboğa International (ESB)

Esenboğa International can be a useful alternative arrival airport due to its extensive flight network.

📍 ~350 km from Istanbul (requires domestic flight or high-speed train connection)

💸 Flights from ~$1113

Adnan Menderes (ADB)

Adnan Menderes is a strong alternative for Western-bound international flights with high reliability.

📍 ~300 km from Istanbul (usually requires a separate domestic leg)

💸 Flights from ~$965

Tekirdağ Çorlu (TEQ)

Tekirdağ Çorlu is geographically the closest candidate airport to Istanbul, accessible by road.

📍 ~100 km from Istanbul (accessible by road within 1.5 to 2 hours)

💸 Flights from ~$1465

Yenişehir (YEI)

Yenişehir offers proximity to the southern Marmara region and Istanbul's Asian side.

📍 ~130 km from Istanbul (accessible via Osmangazi Bridge or ferry services)

💸 Flights from ~$1714

Burgas (BOJ)

Cheapest

Burgas is the closest international airport outside of Turkey, useful for travelers with appropriate documents.

📍 ~200 km from Istanbul (requires crossing an international land border)

💸 Flights from ~$811

Business & First Class Flight Deals to Istanbul

Discover luxury on the budget with premium cabin class on flights from St. Louis to Istanbul.

Elite

Best Elite deals to Istanbul

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From STL

Elite

Jul 14

Istanbul, Turkey

90% AI deal score

$6,646

$4,388

Save $2,258

From STL

Elite

Jul 21

Istanbul, Turkey

90% AI deal score

$6,646

$4,423

Save $2,223

From STL

Elite

Aug 12

Istanbul, Turkey

90% AI deal score

$6,489

$4,423

Save $2,066

From STL

Elite

Aug 11

Istanbul, Turkey

90% AI deal score

$6,465

$4,423

Save $2,042

From STL

Elite

Jul 29

Istanbul, Turkey

90% AI deal score

$6,646

$4,423

Save $2,223

From STL

Elite

Aug 19

Istanbul, Turkey

90% AI deal score

$6,488

$4,423

Save $2,065

From STL

Elite

Aug 05

Istanbul, Turkey

90% AI deal score

$6,466

$4,423

Save $2,043

From STL

Elite

Jul 22

Istanbul, Turkey

90% AI deal score

$6,646

$4,423

Save $2,223

From STL

Elite

Aug 10

Istanbul, Turkey

89% AI deal score

$6,338

$4,625

Save $1,713

From STL

Elite

Aug 09

Istanbul, Turkey

89% AI deal score

$6,322

$4,630

Save $1,692

From STL

Elite

Aug 03

Istanbul, Turkey

89% AI deal score

$6,665

$4,694

Save $1,971

From STL

Elite

Aug 10

Istanbul, Turkey

89% AI deal score

$6,465

$4,694

Save $1,771

From STL

Elite

Aug 17

Istanbul, Turkey

89% AI deal score

$6,486

$4,694

Save $1,792

From STL

Elite

Sep 01

Istanbul, Turkey

89% AI deal score

$6,813

$4,723

Save $2,090

From STL

Elite

Jul 27

Istanbul, Turkey

88% AI deal score

$6,546

$4,673

Save $1,873

From STL

Elite

Jul 20

Istanbul, Turkey

88% AI deal score

$6,646

$4,694

Save $1,952

From STL

Elite

Jul 27

Istanbul, Turkey

88% AI deal score

$6,646

$4,694

Save $1,952

From STL

Elite

Jun 22

Istanbul, Turkey

88% AI deal score

$7,769

$5,260

Save $2,509

From STL

Elite

Aug 16

Istanbul, Turkey

87% AI deal score

$6,487

$4,912

Save $1,575

From STL

Elite

Aug 16

Istanbul, Turkey

86% AI deal score

$7,148

$4,935

Save $2,213

From STL

Elite

Jul 19

Istanbul, Turkey

83% AI deal score

$6,646

$4,923

Save $1,723

From STL

Elite

Aug 23

Istanbul, Turkey

83% AI deal score

$6,488

$4,923

Save $1,565

From STL

Elite

Jul 26

Istanbul, Turkey

83% AI deal score

$6,646

$4,923

Save $1,723

From STL

Elite

Aug 16

Istanbul, Turkey

83% AI deal score

$6,458

$4,923

Save $1,535

From STL

Elite

Aug 07

Istanbul, Turkey

83% AI deal score

$6,465

$4,923

Save $1,542

From STL

Elite

Aug 21

Istanbul, Turkey

83% AI deal score

$6,487

$4,923

Save $1,564

From STL

Elite

Aug 14

Istanbul, Turkey

83% AI deal score

$6,489

$4,923

Save $1,566

From STL

Elite

Jul 27

Istanbul, Turkey

82% AI deal score

$6,522

$4,923

Save $1,599

From STL

Elite

Oct 14

Istanbul, Turkey

82% AI deal score

$6,622

$5,177

Save $1,445

From STL

Elite

Dec 02

Istanbul, Turkey

82% AI deal score

$6,760

$5,353

Save $1,407

From STL

Elite

Sep 30

Istanbul, Turkey

82% AI deal score

$7,104

$5,423

Save $1,681

From STL

Elite

Sep 08

Istanbul, Turkey

82% AI deal score

$7,000

$5,423

Save $1,577

From STL

Elite

Sep 15

Istanbul, Turkey

82% AI deal score

$6,924

$5,423

Save $1,501

From STL

Elite

Sep 09

Istanbul, Turkey

82% AI deal score

$7,008

$5,423

Save $1,585

From STL

Elite

Aug 26

Istanbul, Turkey

81% AI deal score

$6,485

$5,313

Save $1,172

From STL

Elite

Aug 25

Istanbul, Turkey

81% AI deal score

$6,495

$5,313

Save $1,182

From STL

Elite

Oct 07

Istanbul, Turkey

81% AI deal score

$6,624

$5,423

Save $1,201

From STL

Elite

Oct 06

Istanbul, Turkey

81% AI deal score

$6,606

$5,423

Save $1,183

From STL

Elite

Oct 14

Istanbul, Turkey

81% AI deal score

$6,633

$5,423

Save $1,210

From STL

Elite

Aug 17

Istanbul, Turkey

81% AI deal score

$6,354

$5,592

Save $762

From STL

Elite

Nov 18

Istanbul, Turkey

81% AI deal score

$6,802

$5,603

Save $1,199

From STL

Elite

Nov 29

Istanbul, Turkey

81% AI deal score

$2,793

$2,472

Save $321

From STL

Elite

Oct 23

Istanbul, Turkey

80% AI deal score

$6,624

$5,573

Save $1,051

From STL

Elite

Oct 30

Istanbul, Turkey

80% AI deal score

$6,597

$5,573

Save $1,024

From STL

Elite

Oct 03

Istanbul, Turkey

80% AI deal score

$6,650

$5,925

Save $725

From STL

Elite

Oct 01

Istanbul, Turkey

80% AI deal score

$6,673

$5,975

Save $698

From STL

Elite

Aug 15

Istanbul, Turkey

79% AI deal score

$6,458

$4,928

Save $1,530

From STL

Elite

Aug 17

Istanbul, Turkey

79% AI deal score

$6,475

$4,928

Save $1,547

From STL

Elite

Aug 09

Istanbul, Turkey

79% AI deal score

$2,688

$2,487

Save $201

From STL

Elite

Aug 03

Istanbul, Turkey

79% AI deal score

$2,700

$2,506

Save $194

From STL

Elite

Sep 15

Istanbul, Turkey

78% AI deal score

$6,912

$5,448

Save $1,464

From STL

Elite

Oct 02

Istanbul, Turkey

78% AI deal score

$6,675

$6,405

Save $270

From STL

Elite

Oct 02

Istanbul, Turkey

78% AI deal score

$6,680

$6,406

Save $274

From STL

Elite

Jul 20

Istanbul, Turkey

78% AI deal score

$2,958

$2,491

Save $467

From STL

Elite

Sep 13

Istanbul, Turkey

77% AI deal score

$7,009

$5,698

Save $1,311

From STL

Elite

Aug 16

Istanbul, Turkey

75% AI deal score

$7,180

$6,567

Save $613

From STL

Elite

Oct 02

Istanbul, Turkey

75% AI deal score

$7,459

$6,567

Save $892

From STL

Elite

Oct 03

Istanbul, Turkey

75% AI deal score

$7,425

$6,567

Save $858

From STL

Elite

Jul 31

Istanbul, Turkey

75% AI deal score

$2,880

$2,690

Save $190

From STL

Elite

Jun 22

Istanbul, Turkey

74% AI deal score

$8,657

$7,966

Save $691

From STL

Elite

Jun 27

Istanbul, Turkey

74% AI deal score

$3,734

From STL

Elite

Aug 17

Istanbul, Turkey

74% AI deal score

$3,767

From STL

Elite

Aug 13

Istanbul, Turkey

74% AI deal score

$3,767

From STL

Elite

Aug 17

Istanbul, Turkey

74% AI deal score

$3,784

From STL

Elite

Aug 05

Istanbul, Turkey

74% AI deal score

$3,784

From STL

Elite

Aug 30

Istanbul, Turkey

74% AI deal score

$3,801

From STL

Elite

Aug 17

Istanbul, Turkey

74% AI deal score

$3,819

From STL

Elite

Aug 17

Istanbul, Turkey

73% AI deal score

$3,784

From STL

Elite

Aug 17

Istanbul, Turkey

73% AI deal score

$3,784

From STL

Elite

Aug 05

Istanbul, Turkey

73% AI deal score

$3,784

From STL

Elite

Aug 13

Istanbul, Turkey

73% AI deal score

$3,784

From STL

Elite

Aug 13

Istanbul, Turkey

73% AI deal score

$3,784

From STL

Elite

Aug 13

Istanbul, Turkey

73% AI deal score

$3,784

From STL

Elite

Aug 30

Istanbul, Turkey

73% AI deal score

$3,801

From STL

Elite

Aug 17

Istanbul, Turkey

73% AI deal score

$3,806

From STL

Elite

Aug 05

Istanbul, Turkey

73% AI deal score

$3,806

From STL

Elite

Aug 13

Istanbul, Turkey

73% AI deal score

$3,806

From STL

Elite

Aug 23

Istanbul, Turkey

73% AI deal score

$3,806

From STL

Elite

Aug 23

Istanbul, Turkey

73% AI deal score

$3,806

From STL

Elite

Aug 05

Istanbul, Turkey

73% AI deal score

$3,812

From STL

Elite

Aug 17

Istanbul, Turkey

73% AI deal score

$3,814

From STL

Elite

Aug 05

Istanbul, Turkey

73% AI deal score

$3,814

From STL

Elite

Aug 13

Istanbul, Turkey

73% AI deal score

$3,814

From STL

Elite

Aug 17

Istanbul, Turkey

73% AI deal score

$3,814

From STL

Elite

Aug 17

Istanbul, Turkey

73% AI deal score

$3,814

From STL

Elite

Aug 17

Istanbul, Turkey

73% AI deal score

$3,817

From STL

Elite

Aug 17

Istanbul, Turkey

73% AI deal score

$3,819

From STL

Elite

Aug 05

Istanbul, Turkey

73% AI deal score

$3,819

From STL

Elite

Aug 13

Istanbul, Turkey

73% AI deal score

$3,819

From STL

Elite

Aug 17

Istanbul, Turkey

73% AI deal score

$3,819

From STL

Elite

Aug 17

Istanbul, Turkey

73% AI deal score

$3,819

From STL

Elite

Aug 17

Istanbul, Turkey

73% AI deal score

$3,819

From STL

Elite

Aug 17

Istanbul, Turkey

73% AI deal score

$3,820

From STL

Elite

Aug 30

Istanbul, Turkey

73% AI deal score

$3,832

From STL

Elite

Aug 23

Istanbul, Turkey

73% AI deal score

$3,836

From STL

Elite

Aug 15

Istanbul, Turkey

72% AI deal score

$6,567

From STL

Elite

Aug 18

Istanbul, Turkey

72% AI deal score

$4,589

From STL

Elite

Sep 25

Istanbul, Turkey

71% AI deal score

$33,898

From STL

Elite

Oct 31

Istanbul, Turkey

71% AI deal score

$34,126

From STL

Elite

Jun 19

Istanbul, Turkey

70% AI deal score

$9,264

Frequently Asked Questions About Flights to Istanbul

To find more affordable flights, consider being flexible with your travel dates and times. Using flight comparison sites can help you survey various options. Setting up price alerts may also notify you of potential deals as they become available.

Booking in advance often provides more options and potentially better prices, though last-minute deals can sometimes appear. Monitoring price trends over several weeks may help you identify an optimal booking window. Prices can fluctuate, so consistent checking is usually beneficial.

Comparing nearby airports can sometimes uncover different flight options or prices. While it may add to your ground travel, the potential savings could be worthwhile. Always factor in the total cost and convenience when considering alternative airports.