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Cheap flights from Missouri to Iceland from $377

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Iceland departing on 9/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Missouri to Iceland

Cheap round-trip flights

Lufthansa Logo
11:22 am - 2:20 pmSTL-KEF
20h 58m2 stops
Lufthansa Logo
3:20 pm - 1:55 pmKEF-STL
28h 35m1 stop
$620Lufthansa
Find Deal
Mon, Jan 12 - Tue, Jan 20
Lufthansa Logo
11:22 am - 2:20 pmSTL-KEF
20h 58m2 stops
Lufthansa Logo
3:20 pm - 11:59 pmKEF-STL
38h 39m2 stops
$630Lufthansa
Find Deal
Mon, Jan 12 - Tue, Jan 20
Finnair Logo
11:54 am - 9:15 amSTL-KEF
39h 21m2 stops
Finnair Logo
10:00 am - 6:19 pmKEF-STL
38h 19m2 stops
$660Finnair
Find Deal
Sun, Feb 22 - Mon, Mar 2
Multiple Airlines Logo
7:45 pm - 6:05 amSTL-KEF
28h 20m1 stop
Multiple Airlines Logo
4:55 pm - 9:07 amKEF-STL
22h 12m1 stop
$692Multiple Airlines
Find Deal
Sun, Nov 2 - Sat, Nov 8
Scandinavian Airlines Logo
11:51 am - 3:25 pmSTL-KEF
21h 34m2 stops
Scandinavian Airlines Logo
3:40 pm - 11:40 pmKEF-STL
38h 00m2 stops
$742Scandinavian Airlines
Find Deal
Sat, Jan 10 - Thu, Jan 15
Finnair Logo
1:45 pm - 9:15 amMCI-KEF
37h 30m2 stops
Finnair Logo
10:00 am - 9:29 pmKEF-MCI
41h 29m2 stops
$744Finnair
Find Deal
Fri, Nov 7 - Fri, Nov 14
Multiple Airlines Logo
6:40 pm - 2:15 pmSTL-KEF
37h 35m3 stops
Multiple Airlines Logo
3:20 pm - 10:58 pmKEF-STL
37h 38m2 stops
$770Multiple Airlines
Find Deal
Tue, Jan 13 - Sun, Jan 18
Scandinavian Airlines Logo
4:00 pm - 3:25 pmSTL-KEF
17h 25m2 stops
Scandinavian Airlines Logo
3:40 pm - 11:40 pmKEF-STL
38h 00m2 stops
$772Scandinavian Airlines
Find Deal
Mon, Jan 12 - Fri, Jan 16
British Airways Logo
3:36 pm - 10:50 amSTL-KEF
37h 14m2 stops
British Airways Logo
10:00 am - 10:27 pmKEF-STL
42h 27m2 stops
$864British Airways
Find Deal
Mon, Jan 12 - Wed, Jan 21
British Airways Logo
6:21 pm - 10:50 amSTL-KEF
58h 29m2 stops
British Airways Logo
10:00 am - 10:27 pmKEF-STL
42h 27m2 stops
$870British Airways
Find Deal
Sun, Jan 11 - Wed, Jan 21

Lufthansa flights from Missouri to Iceland

Our best Lufthansa deals on Missouri to Iceland flight tickets
Lufthansa
Jan 12
STL11:22 amLambert-St Louis
20h 58m
2 stops
KEF2:20 pmReykjavik Keflavik Intl
Jan 20
KEF3:20 pmReykjavik Keflavik Intl
28h 35m
1 stop
STL1:55 pmLambert-St Louis
$620
Find similar
Lufthansa
Jan 12
STL11:22 amLambert-St Louis
20h 58m
2 stops
KEF2:20 pmReykjavik Keflavik Intl
Jan 20
KEF3:20 pmReykjavik Keflavik Intl
38h 39m
2 stops
STL11:59 pmLambert-St Louis
$630
Find similar
Lufthansa
Nov 12
STL3:50 pmLambert-St Louis
16h 25m
2 stops
KEF2:15 pmReykjavik Keflavik Intl
Nov 18
KEF3:20 pmReykjavik Keflavik Intl
28h 35m
1 stop
STL1:55 pmLambert-St Louis
$633
Find similar

Finnair flights from Missouri to Iceland

Our best Finnair deals on Missouri to Iceland flight tickets
Finnair
Feb 22
STL11:54 amLambert-St Louis
39h 21m
2 stops
KEF9:15 amReykjavik Keflavik Intl
Mar 2
KEF10:00 amReykjavik Keflavik Intl
38h 19m
2 stops
STL6:19 pmLambert-St Louis
$660
Find similar
Finnair
Nov 7
MCI1:45 pmKansas City
37h 30m
2 stops
KEF9:15 amReykjavik Keflavik Intl
Nov 14
KEF10:00 amReykjavik Keflavik Intl
41h 29m
2 stops
MCI9:29 pmKansas City
$744
Find similar
Finnair
Nov 5
STL1:20 pmLambert-St Louis
37h 55m
2 stops
KEF9:15 amReykjavik Keflavik Intl
Nov 12
KEF10:00 amReykjavik Keflavik Intl
39h 30m
2 stops
STL7:30 pmLambert-St Louis
$754
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to Iceland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 19, 2025.
Use the filters below to find and compare flights from Missouri to Iceland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Mon 1/12

11:22 am-2:20 pm

2 stops20h 58m

Reykjavik Keflavik Intl

Tue 1/20

3:20 pm-1:55 pm

1 stop28h 35m

$620

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Mon 1/12

11:22 am-2:20 pm

2 stops20h 58m

Reykjavik Keflavik Intl

Tue 1/20

3:20 pm-11:59 pm

2 stops38h 39m

$630

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Sun 2/22

11:54 am-9:15 am

2 stops39h 21m

Reykjavik Keflavik Intl

Mon 3/2

10:00 am-6:19 pm

2 stops38h 19m

$660

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Sun 11/2

7:45 pm-6:05 am

1 stop28h 20m

Reykjavik Keflavik Intl

Sat 11/8

4:55 pm-9:07 am

1 stop22h 12m

$692

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Sat 1/10

11:51 am-3:25 pm

2 stops21h 34m

Reykjavik Keflavik Intl

Thu 1/15

3:40 pm-11:40 pm

2 stops38h 00m

$742

Kansas CityReykjavik

MCI - KEF

MCIKEF

Kansas City

Fri 11/7

1:45 pm-9:15 am

2 stops37h 30m

Reykjavik Keflavik Intl

Fri 11/14

10:00 am-9:29 pm

2 stops41h 29m

$744

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Tue 1/13

6:40 pm-2:15 pm

3 stops37h 35m

Reykjavik Keflavik Intl

Sun 1/18

3:20 pm-10:58 pm

2 stops37h 38m

$770

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Mon 1/12

4:00 pm-3:25 pm

2 stops17h 25m

Reykjavik Keflavik Intl

Fri 1/16

3:40 pm-11:40 pm

2 stops38h 00m

$772

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Mon 1/12

3:36 pm-10:50 am

2 stops37h 14m

Reykjavik Keflavik Intl

Wed 1/21

10:00 am-10:27 pm

2 stops42h 27m

$864

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Sun 1/11

6:21 pm-10:50 am

2 stops58h 29m

Reykjavik Keflavik Intl

Wed 1/21

10:00 am-10:27 pm

2 stops42h 27m

$870

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Iceland from

How to get the cheapest flight ticket from Missouri to Iceland

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

What is the cheapest day to depart on your flight to Iceland?

The cheapest day to depart from Missouri to Iceland is on a Tuesday when prices can be found for as low as $807. Flights from Missouri to Iceland on a Thursday will generally be more expensive and average around $1,216. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Iceland?

According to our data, the cheapest time of day to fly to Iceland is in the morning. momondo users have found flights departing from Missouri to Iceland in the morning for as low as $846. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the afternoon because they tend to be around $1,040. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Missouri to Iceland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Missouri to Iceland

Direct flights

None
There are no direct flights from Missouri to Iceland. There are no popular flight routes from Missouri to Iceland.
Search flight deals

  • When did momondo last update prices for flights from Missouri to Iceland?

    Prices for flights from Missouri to Iceland were last updated today.

  • How many operators does momondo search for flights from Missouri to Iceland?

  • How old do you have to be to fly from Missouri to Iceland?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Missouri to Iceland.

  • What documentation or ID do you need to fly to Iceland?

    The travel and health documents you'll need for your trip to Iceland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Iceland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Missouri to Iceland

Compare and see reviews for airlines that fly from Missouri to Iceland with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $370Free CancellationRating
7.8
1,386 reviews
Search KLM flights
Air CanadaPriceFrom $566Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $595Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
British AirwaysPriceFrom $615Free CancellationRating
6.7
7,373 reviews
Search British Airways flights
DeltaPriceFrom $636Free CancellationRating
7.9
7,964 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Missouri to Iceland?

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

Can I find flights from Missouri to Iceland with flexible booking policies on momondo?

Yes. All flights to Iceland from Missouri on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Missouri to Iceland?

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 Missouri to Iceland.

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

Of course. momondo tracks the price of Missouri to Iceland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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