What is the cheapest airline that flies from Iceland to Lambert-St Louis?

American Airlines is the most popular carrier operating from Iceland to Lambert-St Louis

When did momondo last update prices for flights from Iceland to Lambert-St Louis Airport?

Prices for flights from Iceland to Lambert-St Louis Airport refresh daily.

How old do you have to be to fly from Iceland to Lambert-St Louis Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Iceland to Lambert-St Louis Airport.

What documentation or ID do you need to fly to Lambert-St Louis Airport?

The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$938 Cheap Flights from Iceland to St. Louis in 2025/26

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0 bags

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Find the cheapest flights from Iceland to St. Louis

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Recent round-trip flight deals from Iceland to St. Louis

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6:10 pm - 6:03 pmKEF-STL

29h 53m2 stops

6:43 pm - 10:55 amSTL-KEF

58h 12m2 stops

$940American Airlines

Find Deal

Fri, Feb 13 - Tue, Feb 17

11:50 am - 6:03 pmKEF-STL

36h 13m2 stops

6:43 pm - 10:55 amSTL-KEF

58h 12m2 stops

$948American Airlines

Find Deal

Fri, Feb 13 - Tue, Feb 17

6:10 pm - 6:03 pmKEF-STL

29h 53m2 stops

6:43 pm - 10:55 amSTL-KEF

58h 12m2 stops

$971American Airlines

Find Deal

Fri, Feb 13 - Tue, Feb 17

5:00 pm - 9:40 amKEF-STL

22h 40m2 stops

7:43 pm - 6:05 amSTL-KEF

28h 22m1 stop

$1,352Multiple Airlines

Find Deal

Sat, Dec 20 - Sat, Dec 27

11:55 am - 7:30 pmKEF-STL

37h 35m2 stops

4:53 pm - 5:05 pmSTL-KEF

18h 12m2 stops

$1,494British Airways

Find Deal

Sat, Dec 20 - Sat, Dec 27

9:45 am - 10:33 pmKEF-STL

18h 48m1 stop

7:43 pm - 6:05 amSTL-KEF

28h 22m1 stop

$1,838Multiple Airlines

Find Deal

Sat, Dec 20 - Sat, Dec 27

3:10 pm - 5:54 pmKEF-STL

32h 44m2 stops

9:55 am - 2:20 pmSTL-KEF

22h 25m3 stops

$2,176Multiple Airlines

Find Deal

Sat, Dec 20 - Sat, Dec 27

3:10 pm - 7:22 pmKEF-STL

34h 12m3 stops

11:05 am - 2:20 pmSTL-KEF

21h 15m3 stops

$2,324Multiple Airlines

Find Deal

Sat, Dec 20 - Sat, Dec 27

American Airlines flights from Iceland to St. Louis

Our best American Airlines deals on Iceland to St. Louis flight tickets

American Airlines

Feb 13

KEF6:10 pmReykjavik Keflavik Intl

29h 53m

2 stops

STL6:03 pmLambert-St Louis

Feb 17

STL6:43 pmLambert-St Louis

58h 12m

2 stops

KEF10:55 amReykjavik Keflavik Intl

$940

Find similar

American Airlines

Feb 13

KEF11:50 amReykjavik Keflavik Intl

36h 13m

2 stops

STL6:03 pmLambert-St Louis

Feb 17

STL6:43 pmLambert-St Louis

58h 12m

2 stops

KEF10:55 amReykjavik Keflavik Intl

$948

Find similar

American Airlines

Feb 13

KEF6:10 pmReykjavik Keflavik Intl

29h 53m

2 stops

STL6:03 pmLambert-St Louis

Feb 17

STL6:43 pmLambert-St Louis

58h 12m

2 stops

KEF10:55 amReykjavik Keflavik Intl

$971

Find similar

British Airways flights from Iceland to St. Louis

Our best British Airways deals on Iceland to St. Louis flight tickets

British Airways

Dec 20

KEF11:55 amReykjavik Keflavik Intl

37h 35m

2 stops

STL7:30 pmLambert-St Louis

Dec 27

STL4:53 pmLambert-St Louis

18h 12m

2 stops

KEF5:05 pmReykjavik Keflavik Intl

$1,494

Find similar

British Airways

Nov 9

KEF5:55 pmReykjavik Keflavik Intl

29h 10m

2 stops

STL5:05 pmLambert-St Louis

Nov 11

STL5:40 pmLambert-St Louis

35h 05m

2 stops

KEF10:45 amReykjavik Keflavik Intl

$1,736

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Fri 2/13

6:10 pm-6:03 pm

2 stops29h 53m

Lambert-St Louis

Tue 2/17

6:43 pm-10:55 am

2 stops58h 12m

$940

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Fri 2/13

11:50 am-6:03 pm

2 stops36h 13m

Lambert-St Louis

Tue 2/17

6:43 pm-10:55 am

2 stops58h 12m

$948

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Fri 2/13

6:10 pm-6:03 pm

2 stops29h 53m

Lambert-St Louis

Tue 2/17

6:43 pm-10:55 am

2 stops58h 12m

$971

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Sat 12/20

5:00 pm-9:40 am

2 stops22h 40m

Lambert-St Louis

Sat 12/27

7:43 pm-6:05 am

1 stop28h 22m

$1,352

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Sat 12/20

11:55 am-7:30 pm

2 stops37h 35m

Lambert-St Louis

Sat 12/27

4:53 pm-5:05 pm

2 stops18h 12m

$1,494

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Sat 12/20

9:45 am-10:33 pm

1 stop18h 48m

Lambert-St Louis

Sat 12/27

7:43 pm-6:05 am

1 stop28h 22m

$1,838

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Sat 12/20

3:10 pm-5:54 pm

2 stops32h 44m

Lambert-St Louis

Sat 12/27

9:55 am-2:20 pm

3 stops22h 25m

$2,176

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Sat 12/20

3:10 pm-7:22 pm

3 stops34h 12m

Lambert-St Louis

Sat 12/27

11:05 am-2:20 pm

3 stops21h 15m

$2,324

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Wed 11/26

11:50 am-9:23 am

2 stops27h 33m

$1,168

ReykjavikSt. Louis

KEF - STL

KEFSTL

Reykjavik Keflavik Intl

Wed 11/26

11:50 am-9:23 am

2 stops27h 33m

$1,171

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first

How to get the cheapest flight ticket from Iceland to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Can stopping save me money on Iceland to St. Louis flights?

You could potentially save up to 10% on your flight if you consider stops on a Iceland to St. Louis flight.

Cheap Iceland to St. Louis flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Iceland to St. Louis

Direct flights	None

There are no direct flights from Iceland to St. Louis. There are no popular flight routes from Iceland to St. Louis.

Search flight deals

When did momondo last update prices for flights from Iceland to Lambert-St Louis Airport?
Prices for flights from Iceland to Lambert-St Louis Airport refresh daily.
How old do you have to be to fly from Iceland to Lambert-St Louis Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Iceland to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

St. Charles

Chesterfield

Hermann

Fairview Heights

Florissant

Maryland Heights

O'Fallon

Wentzville

Fenton

Collinsville

St. Peters

Alton

Farmington

Festus

Glencoe

Edwardsville

Clayton

Eureka

Litchfield

Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Iceland to St. Louis?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Iceland to St. Louis. momondo saves you time and could save you money on your trip.

Can I find flights from Iceland to St. Louis with flexible booking policies on momondo?

momondo does allow users to show only those flights to St. Louis from Iceland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Iceland to St. Louis?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Iceland to St. Louis.

I’m not ready to book a flight from Iceland to St. Louis right now. Can momondo alert me if prices change?

Price alerts on flights to St. Louis from Iceland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.