How long is the flight from Texas to Reykjavik Keflavik Intl Airport?

Delta, Lufthansa, and Virgin Atlantic can get you from Texas to Reykjavik Keflavik Intl Airport in just under 20h 30m. Your travel time can differ by up to 19h 46m. The distance between Texas and Reykjavik Keflavik Intl Airport is about 3733 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in Reykjavik Keflavik Intl Airport ranges from 1.6 - 3.1 inches per month. January is typically the wettest month, when rainfall can reach 3.1 in. May is typically the driest time to visit Reykjavik Keflavik Intl Airport when rainfall is around 1.6 in.

If weather is an important factor for your trip to Reykjavik Keflavik Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 51.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What are the most popular routes from Texas to Reykjavik Keflavik Intl Airport?

The most popular flight routes from Texas to Reykjavik Keflavik Intl Airport are Dallas/Fort Worth - Reykjavik Keflavik Intl, Houston Hobby - Reykjavik Keflavik Intl and Dallas Love Field - Reykjavik Keflavik Intl.

What are the most popular airlines that fly from Texas to Reykjavik Keflavik Intl Airport?

When booking a flight from Texas to Reykjavik Keflavik Intl Airport, you may want to consider flying on United Airlines, Delta or KLM as they are the most popular for this route.

Can I find deals for flights from Texas to Keflavik Intl that include hotel bookings?

Yes. In addition to deals on Texas to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Texas to Keflavik Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Texas to Keflavik Intl.

Can I find deals for business class flights from Texas to Keflavik Intl?

Yes. Cheapflights offers flight deals from Texas to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$297+ Flights from Texas to Reykjavik Keflavik Intl Airport

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Cheap flight deals from Texas to Keflavik Intl

Cheapest flights from Texas to Keflavik Intl
Explore the most affordable flight options available from Texas to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 16, 2025.

mar. 12/3011:59 pmDFW - KEF

2 stops24h 11mMultiple Airlines

vie. 1/95:00 pmKEF - DFW

1 stop28h 39mMultiple Airlines

Deal found 12/15

$1,083

mar. 12/161:00 pmDFW - KEF

1 stop26h 45mMultiple Airlines

mar. 12/239:55 amKEF - DFW

1 stop30h 43mMultiple Airlines

Deal found 12/16

$1,150

lun. 12/2912:20 pmDFW - KEF

1 stop12h 10mMultiple Airlines

vie. 1/95:00 pmKEF - DFW

1 stop28h 39mMultiple Airlines

Deal found 12/15

$1,161

mié. 12/247:15 amDFW - KEF

1 stop16h 50mMultiple Airlines

vie. 1/95:00 pmKEF - DFW

1 stop13h 37mMultiple Airlines

Deal found 12/15

$1,179

lun. 12/2912:20 pmDFW - KEF

1 stop12h 10mMultiple Airlines

jue. 1/85:00 pmKEF - DFW

1 stop28h 24mMultiple Airlines

Deal found 12/15

$1,218

dom. 12/216:49 pmDFW - KEF

1 stop29h 46mMultiple Airlines

dom. 12/284:45 pmKEF - DFW

1 stop13h 54mMultiple Airlines

Deal found 12/14

$1,221

mar. 12/3010:32 amDFW - KEF

1 stop13h 38mMultiple Airlines

jue. 1/85:00 pmKEF - DFW

1 stop28h 24mMultiple Airlines

Deal found 12/15

$1,222

mar. 12/169:30 amAUS - KEF

1 stop14h 45mMultiple Airlines

mar. 12/235:00 pmKEF - AUS

1 stop13h 15mMultiple Airlines

Deal found 12/15

$1,246

mar. 12/238:25 amHOU - KEF

1 stop15h 40mMultiple Airlines

sáb. 12/274:55 pmKEF - HOU

1 stop14h 00mMultiple Airlines

Deal found 12/14

$1,254

lun. 12/227:55 pmIAH - KEF

1 stop28h 10mMultiple Airlines

vie. 12/264:55 pmKEF - IAH

1 stop13h 43mMultiple Airlines

Deal found 12/14

$1,271

sáb. 12/2712:20 pmDFW - KEF

1 stop12h 10mMultiple Airlines

vie. 1/95:00 pmKEF - DFW

1 stop28h 39mMultiple Airlines

Deal found 12/15

$1,274

mar. 12/169:55 amDAL - KEF

1 stop14h 20mMultiple Airlines

mar. 12/235:00 pmKEF - DAL

1 stop12h 30mMultiple Airlines

Deal found 12/15

$1,279

Best flights from Texas to Keflavik Intl
Discover carefully curated flight deals from Texas to Keflavik Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 16, 2025.

mié. 4/225:30 amAUS - KEF

2 stops23h 00mDelta

mié. 4/2911:25 amKEF - AUS

2 stops28h 47mDelta

Deal found 12/16

$493

jue. 1/226:30 amIAH - KEF

1 stop18h 00mMultiple Airlines

jue. 1/295:00 pmKEF - IAH

1 stop11h 53mMultiple Airlines

Deal found 12/15

$525

lun. 4/610:43 amAUS - KEF

2 stops24h 42mFinnair

lun. 4/138:35 amKEF - AUS

2 stops20h 16mFinnair

Deal found 12/16

$555

dom. 1/254:04 pmSAT - KEF

2 stops40h 16mLufthansa

dom. 2/13:20 pmKEF - SAT

2 stops35h 36mLufthansa

Deal found 12/14

$717

mié. 4/18:00 amDFW - KEF

1 stop20h 30mVirgin Atlantic

mié. 4/811:25 amKEF - DFW

2 stops15h 41mVirgin Atlantic

Deal found 12/14

$802

dom. 5/312:55 pmIAH - KEF

1 stop15h 35mKLM

mar. 5/129:30 amKEF - IAH

1 stop18h 19mKLM

Deal found 12/16

$810

lun. 1/264:00 pmDFW - KEF

2 stops36h 45mScandinavian Airlines

vie. 1/303:40 pmKEF - DFW

2 stops38h 47mScandinavian Airlines

Deal found 12/14

$846

sáb. 5/237:28 pmSAT - KEF

1 stop13h 32mAlaska Airlines

sáb. 5/307:45 pmKEF - SAT

1 stop14h 25mAlaska Airlines

Deal found 12/14

$908

mar. 4/2110:55 amAUS - KEF

2 stops17h 35mDelta

mié. 4/2911:25 amKEF - AUS

2 stops28h 47mDelta

Deal found 12/16

$493

lun. 5/255:30 pmELP - KEF

2 stops33h 20mUnited Airlines

mié. 6/39:15 amKEF - ELP

2 stops34h 09mUnited Airlines

Deal found 12/14

$1,026

mié. 6/108:00 amELP - KEF

2 stops18h 45mAir Canada

mié. 6/179:15 amKEF - ELP

2 stops34h 09mAir Canada

Deal found 12/14

$1,028

sáb. 1/105:50 amAUS - KEF

1 stop18h 25mMultiple Airlines

mié. 1/145:00 pmKEF - AUS

1 stop12h 24mMultiple Airlines

Deal found 12/15

$535

mié. 4/223:35 pmAUS - KEF

1 stop12h 55mDelta

dom. 4/2611:25 amKEF - AUS

1 stop15h 16mDelta

Deal found 12/16

$539

lun. 4/2012:20 pmAUS - KEF

2 stops16h 10mMultiple Airlines

dom. 4/2611:25 amKEF - AUS

1 stop15h 16mMultiple Airlines

Deal found 12/16

$543

jue. 4/302:02 pmAUS - KEF

2 stops21h 23mFinnair

lun. 5/48:35 amKEF - AUS

2 stops20h 16mFinnair

Deal found 12/16

$618

mar. 4/2110:55 amAUS - KEF

2 stops17h 35mDelta

lun. 4/2711:25 amKEF - AUS

2 stops27h 14mDelta

Deal found 12/16

$543

vie. 1/236:30 amIAH - KEF

1 stop18h 00mMultiple Airlines

jue. 1/295:00 pmKEF - IAH

1 stop11h 53mMultiple Airlines

Deal found 12/14

$587

mar. 4/2110:55 amAUS - KEF

2 stops17h 35mDelta

dom. 4/2611:25 amKEF - AUS

1 stop15h 16mDelta

Deal found 12/16

$543

mié. 4/225:40 amAUS - KEF

2 stops22h 50mDelta

lun. 4/2711:25 amKEF - AUS

1 stop15h 16mDelta

Deal found 12/16

$543

mié. 4/11:00 pmDFW - KEF

2 stops15h 30mVirgin Atlantic

mié. 4/1511:25 amKEF - DFW

2 stops15h 25mVirgin Atlantic

Deal found 12/15

$802

lun. 5/411:50 amIAH - KEF

2 stops16h 40mKLM

mar. 5/128:50 amKEF - IAH

2 stops15h 07mKLM

Deal found 12/16

$815

jue. 1/2211:57 amDAL - KEF

2 stops29h 23mScandinavian Airlines

lun. 1/267:35 amKEF - DAL

2 stops20h 54mScandinavian Airlines

Deal found 12/15

$872

mar. 3/175:40 amDFW - KEF

2 stops19h 35mMultiple Airlines

mié. 3/255:00 pmKEF - DFW

2 stops26h 13mMultiple Airlines

Deal found 12/14

$674

vie. 5/112:10 pmSAT - KEF

1 stop16h 20mVirgin Atlantic

sáb. 5/99:30 amKEF - SAT

1 stop16h 58mVirgin Atlantic

Deal found 12/14

$831

mié. 1/146:46 pmSAT - KEF

1 stop29h 29mAlaska Airlines

mié. 1/215:00 pmKEF - SAT

1 stop30h 45mAlaska Airlines

Deal found 12/15

$940

sáb. 5/210:05 amHOU - KEF

2 stops18h 25mKLM

mar. 5/1211:25 amKEF - HOU

2 stops15h 13mKLM

Deal found 12/16

$865

lun. 1/263:57 pmDAL - KEF

2 stops36h 48mScandinavian Airlines

vie. 1/303:40 pmKEF - DAL

2 stops36h 49mScandinavian Airlines

Deal found 12/13

$876

mié. 5/277:30 amELP - KEF

2 stops19h 00mUnited Airlines

vie. 6/59:15 amKEF - ELP

2 stops43h 14mUnited Airlines

Deal found 12/14

$1,026

dom. 5/31:00 pmHOU - KEF

2 stops15h 30mKLM

dom. 5/1011:25 amKEF - HOU

2 stops15h 13mKLM

Deal found 12/16

$865

vie. 5/227:28 pmSAT - KEF

1 stop13h 32mAlaska Airlines

sáb. 5/3010:40 amKEF - SAT

1 stop23h 30mAlaska Airlines

Deal found 12/14

$956

Last-minute flights from Texas to Keflavik Intl
Discover last-minute flight deals from Texas to Keflavik Intl. Data last updated diciembre 16, 2025 and is based on user searches.

sáb. 1/105:50 amAUS - KEF

1 stop18h 25mMultiple Airlines

mié. 1/145:00 pmKEF - AUS

1 stop12h 24mMultiple Airlines

Deal found 12/15

$535

lun. 1/196:30 amIAH - KEF

1 stop18h 00mMultiple Airlines

mar. 1/275:00 pmKEF - IAH

1 stop11h 53mMultiple Airlines

Deal found 12/14

$535

lun. 1/196:30 amIAH - KEF

1 stop18h 00mMultiple Airlines

vie. 1/235:00 pmKEF - IAH

1 stop11h 53mMultiple Airlines

Deal found 12/14

$553

mar. 1/206:30 amIAH - KEF

1 stop18h 00mMultiple Airlines

jue. 1/295:00 pmKEF - IAH

1 stop11h 53mMultiple Airlines

Deal found 12/14

$503

mié. 1/216:30 amIAH - KEF

1 stop18h 00mMultiple Airlines

mié. 1/285:00 pmKEF - IAH

1 stop11h 53mMultiple Airlines

Deal found 12/14

$501

jue. 1/226:30 amIAH - KEF

1 stop18h 00mMultiple Airlines

jue. 1/295:00 pmKEF - IAH

1 stop11h 53mMultiple Airlines

Deal found 12/15

$525

jue. 1/226:30 amIAH - KEF

1 stop18h 00mMultiple Airlines

lun. 1/265:00 pmKEF - IAH

1 stop11h 53mMultiple Airlines

Deal found 12/14

$534

dom. 1/256:30 amIAH - KEF

1 stop18h 00mMultiple Airlines

jue. 1/295:00 pmKEF - IAH

1 stop11h 53mMultiple Airlines

Deal found 12/14

$518

dom. 1/256:30 amIAH - KEF

1 stop18h 00mMultiple Airlines

vie. 1/305:00 pmKEF - IAH

1 stop11h 53mMultiple Airlines

Deal found 12/14

$528

dom. 1/2512:45 pmDFW - KEF

1 stop12h 00mMultiple Airlines

jue. 2/54:30 pmKEF - DFW

1 stop12h 56mMultiple Airlines

Deal found 12/15

$565

lun. 1/266:30 amIAH - KEF

1 stop18h 00mMultiple Airlines

sáb. 1/315:00 pmKEF - IAH

1 stop11h 53mMultiple Airlines

Deal found 12/14

$527

jue. 1/2911:38 amIAH - KEF

1 stop13h 07mMultiple Airlines

jue. 2/54:30 pmKEF - IAH

2 stops22h 10mMultiple Airlines

Deal found 12/15

$541

One-way flights from Texas to Keflavik Intl
Search for one-way flight options from Texas to Keflavik Intl. Find affordable one-way fares based on user searches. Data last updated diciembre 16, 2025.

mar. 1/138:30 amIAH - KEF

2 stops44h 45mMultiple Airlines

Deal found 12/14

$297

vie. 1/231:23 pmDFW - KEF

2 stops38h 57mMultiple Airlines

Deal found 12/14

$329

mar. 1/66:20 pmIAH - KEF

2 stops40h 55mMultiple Airlines

Deal found 12/15

$404

lun. 5/114:50 pmDFW - KEF

2 stops21h 30mMultiple Airlines

Deal found 12/13

$441

vie. 5/12:15 pmDFW - KEF

2 stops28h 55mMultiple Airlines

Deal found 12/13

$442

dom. 5/317:00 amDFW - KEF

2 stops18h 05mMultiple Airlines

Deal found 12/13

$517

jue. 5/217:58 pmDFW - KEF

2 stops29h 07mMultiple Airlines

Deal found 12/13

$536

vie. 1/29:34 pmIAH - KEF

3 stops50h 41mMultiple Airlines

Deal found 12/14

$618

vie. 1/28:10 pmHOU - KEF

2 stops28h 25mMultiple Airlines

Deal found 12/15

$625

vie. 1/2311:05 amDAL - KEF

1 stop13h 00mMultiple Airlines

Deal found 12/14

$690

vie. 5/112:01 pmDAL - KEF

2 stops16h 29mKLM

Deal found 12/13

$694

mar. 1/69:00 amHOU - KEF

1 stop15h 05mMultiple Airlines

Deal found 12/15

$700

Find flight deals from Texas to Keflavik Intl

Round-trip from	$493 (Delta)
One-way from	$297 (Kiwi.com)

From Texas to Reykjavik Keflavik Intl

Search Deals

One-way flight from Texas to Reykjavik Keflavik Intl

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Texas to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinReykjavik

AUS - KEF

AUSKEF

Austin Bergstrom

mié. 4/22

5:30 am-9:30 am

2 stops23h 00m

Reykjavik Keflavik Intl

mié. 4/29

11:25 am-11:12 am

2 stops28h 47m

$493

AustinReykjavik

AUS - KEF

AUSKEF

Austin Bergstrom

mar. 4/21

10:55 am-9:30 am

2 stops17h 35m

Reykjavik Keflavik Intl

mié. 4/29

11:25 am-11:12 am

2 stops28h 47m

$493

HoustonReykjavik

IAH - KEF

IAHKEF

Houston George Bush Intcntl

jue. 1/22

6:30 am-6:30 am

1 stop18h 00m

Reykjavik Keflavik Intl

jue. 1/29

5:00 pm-10:53 pm

1 stop11h 53m

$525

AustinReykjavik

AUS - KEF

AUSKEF

Austin Bergstrom

sáb. 1/10

5:50 am-6:15 am

1 stop18h 25m

Reykjavik Keflavik Intl

mié. 1/14

5:00 pm-11:24 pm

1 stop12h 24m

$535

AustinReykjavik

AUS - KEF

AUSKEF

Austin Bergstrom

mié. 4/22

3:35 pm-9:30 am

1 stop12h 55m

Reykjavik Keflavik Intl

dom. 4/26

11:25 am-9:41 pm

1 stop15h 16m

$539

AustinReykjavik

AUS - KEF

AUSKEF

Austin Bergstrom

lun. 4/20

12:20 pm-9:30 am

2 stops16h 10m

Reykjavik Keflavik Intl

dom. 4/26

11:25 am-9:41 pm

1 stop15h 16m

$543

AustinReykjavik

AUS - KEF

AUSKEF

Austin Bergstrom

mar. 4/21

10:55 am-9:30 am

2 stops17h 35m

Reykjavik Keflavik Intl

lun. 4/27

11:25 am-9:39 am

2 stops27h 14m

$543

AustinReykjavik

AUS - KEF

AUSKEF

Austin Bergstrom

mar. 4/21

10:55 am-9:30 am

2 stops17h 35m

Reykjavik Keflavik Intl

dom. 4/26

11:25 am-9:41 pm

1 stop15h 16m

$543

AustinReykjavik

AUS - KEF

AUSKEF

Austin Bergstrom

mié. 4/22

5:40 am-9:30 am

2 stops22h 50m

Reykjavik Keflavik Intl

lun. 4/27

11:25 am-9:41 pm

1 stop15h 16m

$543

AustinReykjavik

AUS - KEF

AUSKEF

Austin Bergstrom

lun. 4/6

10:43 am-4:25 pm

2 stops24h 42m

Reykjavik Keflavik Intl

lun. 4/13

8:35 am-11:51 pm

2 stops20h 16m

$555

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 53 results

...

Best time to book a flight from Texas to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Texas with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Texas to Reykjavik Keflavik Intl Airport

What is the cheapest month to book a flight from Texas to Reykjavik Keflavik Intl Airport?

Currently, May is the cheapest month in which you can book a flight from Texas to Reykjavik Keflavik Intl Airport (average of $356). Flying from Texas to Reykjavik Keflavik Intl Airport in January is currently the most expensive (average of $740). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TX to KEF?

When flying from Texas to Reykjavik Keflavik Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 13% versus a flight in the morning.

What is the cheapest day to fly from Texas to Reykjavik Keflavik Intl Airport?

Travelers seeking maximum savings on their Texas to Reykjavik Keflavik Intl Airport flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

How long is the flight from Texas to Reykjavik Keflavik Intl Airport?
Delta, Lufthansa, and Virgin Atlantic can get you from Texas to Reykjavik Keflavik Intl Airport in just under 20h 30m. Your travel time can differ by up to 19h 46m. The distance between Texas and Reykjavik Keflavik Intl Airport is about 3733 mi. This flight may include one or multiple stops.
What are the most popular routes from Texas to Reykjavik Keflavik Intl Airport?
The most popular flight routes from Texas to Reykjavik Keflavik Intl Airport are Dallas/Fort Worth - Reykjavik Keflavik Intl, Houston Hobby - Reykjavik Keflavik Intl and Dallas Love Field - Reykjavik Keflavik Intl.
Can I find deals for flights from Texas to Keflavik Intl that include hotel bookings?
Yes. In addition to deals on Texas to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Texas to Keflavik Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Texas to Keflavik Intl.
Can I find deals for business class flights from Texas to Keflavik Intl?
Yes. Cheapflights offers flight deals from Texas to Keflavik Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Texas to Reykjavik Keflavik Intl Airport?
Currently, May is the cheapest month in which you can book a flight from Texas to Reykjavik Keflavik Intl Airport (average of $356). Flying from Texas to Reykjavik Keflavik Intl Airport in January is currently the most expensive (average of $740). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 8 airlines flying from Texas to Keflavik Intl

Airline	Cheapest	Average	Flexibility	On-time
KLM	Cheapest$474	Average$857	FlexibilityNo cancel fee	On-time75%
Virgin Atlantic	Cheapest$556	Average$994	FlexibilityNo cancel fee	On-time72%
Delta	Cheapest$558	Average$905	FlexibilityNo cancel fee	On-timeN/A
Finnair	Cheapest$590	Average$690	FlexibilityNo cancel fee	On-time76%
Air Canada	Cheapest$598	Average$787	FlexibilityNo cancel fee	On-time67%
Air France	Cheapest$612	Average$949	FlexibilityNo cancel fee	On-time77%
United Airlines	Cheapest$619	Average$1,025	FlexibilityNo cancel fee	On-time69%
Alaska Airlines	Cheapest$898	Average$1,156	FlexibilityNo cancel fee	On-time75%

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$297+ Cheap flights from Texas to Keflavik Intl (KEF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/13. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Texas to Keflavik Intl

Cheapest flights from Texas to Keflavik IntlExplore the most affordable flight options available from Texas to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 16, 2025.

Explore the most affordable flight options available from Texas to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 16, 2025.

Find flight deals from Texas to Keflavik Intl

Keep the following information in mind while searching for Texas to Keflavik Intl flight deals. Data was last updated diciembre 16, 2025.

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Best time to book a flight from Texas to Keflavik Intl

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What is the cheapest month to book a flight from Texas to Reykjavik Keflavik Intl Airport?

What is the cheapest time of day to fly from TX to KEF?

Find hourly flight availability from Texas to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated diciembre 16, 2025.

What is the cheapest day to fly from Texas to Reykjavik Keflavik Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Texas to Keflavik Intl. Price data was last updated on December 16, 2024.

Related info for your journey

Find useful and relevant information for your journey from Texas to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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Top 8 airlines flying from Texas to Keflavik Intl

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Cheapest flights from Texas to Keflavik Intl
Explore the most affordable flight options available from Texas to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 16, 2025.