Cheap flights from Pittsburgh to St. Louis from £162

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1 stop
Thu, Jul 24
Pittsburgh PITSt. Louis STL

£162
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1 stop
Thu, Jul 24
Pittsburgh PITSt. Louis STL

£162
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1 stop
Wed, Jul 23
Pittsburgh PITSt. Louis STL

£187
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1 stop
Wed, Jul 23
Pittsburgh PITSt. Louis STL

£187
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1 stop
Tue, Jul 22
Pittsburgh PITSt. Louis STL

£193
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1 stop
Tue, Jul 22
Pittsburgh PITSt. Louis STL

£193
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Prices updated:

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1 stop
Thu, Jul 24 – Sun, Jul 27
Pittsburgh PITSt. Louis STL

£329
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1 stop
Thu, Jul 24 – Sun, Jul 27
Pittsburgh PITSt. Louis STL

£329
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1 stop
Thu, Jul 24 – Sun, Jul 27
Pittsburgh PITSt. Louis STL

£329
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1 stop
Thu, Jul 24 – Sun, Jul 27
Pittsburgh PITSt. Louis STL

£329
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1 stop
Thu, Jul 24 – Sun, Jul 27
Pittsburgh PITSt. Louis STL

£354
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1 stop
Thu, Jul 24 – Sun, Jul 27
Pittsburgh PITSt. Louis STL

£354
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Prices updated:

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How much do flights to St. Louis cost?

Key info about flying to St. Louis

Depart from
Pittsburgh International
Arrive to
St. Louis Lambert International
Average flights per week
79
Flight distance

Check-in for a flight from Pittsburgh to St. Louis

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUANo
Alaska AirlinesASAASNo

Weather in St. Louis

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January3°C-3°C
February6°C-2°C
March13°C3°C
April18°C8°C
May24°C14°C
June29°C19°C
July31°C21°C
August30°C20°C
September27°C16°C
October20°C10°C
November12°C3°C
December7°C0°C
Hottest Month
31°C
July
Coldest month
-3°C
January
Sunny days
264
days per year
Snow days
9
days per year

14 day forecast

Saturday
28 Jun
33°C24°C
5 Jul
33°C24°C
Sunday
29 Jun
71%
31°C23°C
6 Jul
87%
32°C24°C
Monday
30 Jun
89%
35°C24°C
7 Jul
87%
33°C24°C
Tuesday
1 Jul
30°C22°C
8 Jul
89%
33°C24°C
Wednesday
2 Jul
31°C20°C
9 Jul
84%
26°C22°C
Thursday
3 Jul
34°C22°C
10 Jul
31°C22°C
Friday
4 Jul
75%
34°C25°C
11 Jul
35°C22°C
The most popular airlines for this route are United Airlines, and Alaska Airlines. Pittsburgh and St. Louis have 79 direct flights per week.

Frequently asked questions

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The nearest countries with flights to St. Louis

Here is a list of countries people are flying from

Other destination countries from Pittsburgh

Here is a list of countries people are flying to

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