What is the cheapest airline that flies from Houston to Greece?

KLM, British Airways, and Delta are the most popular carriers operating from Houston to Greece

What airlines fly to Greece?

United Airlines, Turkish Airlines and British Airways are the top three most popular airlines that fly to Greece from Houston according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Greece. Keep in mind that there are 9 different airlines that fly to Greece on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Houston to Greece?

Prices for flights from Houston to Greece refresh daily.

How many operators does momondo search for flights from Houston to Greece?

As of September 2026, there are 9 operators available to choose from for flights from Houston to Greece.

How old do you have to be to fly from Houston to Greece?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Greece.

What documentation or ID do you need to fly to Greece?

The travel and health documents required for your trip to Greece can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Greece. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$174 Cheap Flights from Houston to Greece in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston to Greece

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:30 pm - 1:40 pmIAH Houston George Bush Intcntl-ATH Athens Eleftherios V.

38h 10m2 stops Toronto Pearson Intl Frankfurt am Main

7:05 am - 9:34 pmATH Athens Eleftherios V.-IAH Houston George Bush Intcntl

22h 29m2 stops Zurich Montreal Pierre Elliott Trudeau Intl

$821Air Canada

Sat, Jan 30 - Sat, Feb 13

5:23 pm - 3:45 pmIAH Houston George Bush Intcntl-ATH Athens Eleftherios V.

38h 22m2 stops Chicago O'Hare Intl London Heathrow

7:35 am - 11:58 pmATH Athens Eleftherios V.-IAH Houston George Bush Intcntl

23h 23m2 stops London Heathrow Dallas/Fort Worth

$821British Airways

Fri, Mar 5 - Fri, Mar 19

11:55 am - 9:20 pmIAH Houston George Bush Intcntl-ATH Athens Eleftherios V.

25h 25m2 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main

6:45 am - 11:35 pmATH Athens Eleftherios V.-IAH Houston George Bush Intcntl

23h 50m2 stops Frankfurt am Main Newark

$821United Airlines

Fri, Mar 5 - Fri, Mar 19

10:00 am - 10:10 amIAH Houston George Bush Intcntl-ATH Athens Eleftherios V.

16h 10m1 stop Montreal Pierre Elliott Trudeau Intl

6:55 am - 7:52 pmATH Athens Eleftherios V.-IAH Houston George Bush Intcntl

20h 57m2 stops Zurich Montreal Pierre Elliott Trudeau Intl

$822Multiple Airlines

Wed, Oct 14 - Thu, Oct 22

3:05 pm - 4:30 pmIAH Houston George Bush Intcntl-ATH Athens Eleftherios V.

17h 25m1 stop Amsterdam Schiphol

1:35 pm - 11:59 pmATH Athens Eleftherios V.-IAH Houston George Bush Intcntl

18h 24m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$823Delta

Fri, Nov 6 - Tue, Nov 10

6:00 am - 1:40 pmIAH Houston George Bush Intcntl-ATH Athens Eleftherios V.

23h 40m2 stops Minneapolis St Paul Paris Charles de Gaulle

1:35 pm - 11:59 pmATH Athens Eleftherios V.-IAH Houston George Bush Intcntl

18h 24m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$823Delta

Fri, Nov 6 - Tue, Nov 10

9:40 pm - 1:25 amIAH Houston George Bush Intcntl-ATH Athens Eleftherios V.

19h 45m1 stop London Heathrow

8:00 pm - 2:05 pmATH Athens Eleftherios V.-IAH Houston George Bush Intcntl

26h 05m1 stop London Heathrow

$827British Airways

Tue, Dec 29 - Thu, Jan 7

10:00 am - 10:10 amIAH Houston George Bush Intcntl-ATH Athens Eleftherios V.

16h 10m1 stop Montreal Pierre Elliott Trudeau Intl

6:55 am - 7:52 pmATH Athens Eleftherios V.-IAH Houston George Bush Intcntl

20h 57m2 stops Zurich Montreal Pierre Elliott Trudeau Intl

$828Multiple Airlines

Wed, Oct 14 - Thu, Oct 22

1:45 pm - 10:30 amIAH Houston George Bush Intcntl-ATH Athens Eleftherios V.

36h 45m1 stop Chicago O'Hare Intl

12:10 pm - 8:50 amATH Athens Eleftherios V.-IAH Houston George Bush Intcntl

28h 40m1 stop Toronto Pearson Intl

$829United Airlines

Tue, Oct 13 - Wed, Oct 21

10:00 am - 10:10 amIAH Houston George Bush Intcntl-ATH Athens Eleftherios V.

16h 10m1 stop Montreal Pierre Elliott Trudeau Intl

6:55 am - 7:52 pmATH Athens Eleftherios V.-IAH Houston George Bush Intcntl

20h 57m2 stops Zurich Montreal Pierre Elliott Trudeau Intl

$840Air Canada

Wed, Oct 14 - Wed, Oct 21

Cheap last minute flights

Enter your travel dates to find the best prices.

3:35 pm - 1:25 pmIAH Houston George Bush Intcntl-ATH Athens Eleftherios V.

13h 50m1 stop Frankfurt am Main

6:25 pm - 1:35 pmATH Athens Eleftherios V.-IAH Houston George Bush Intcntl

27h 10m1 stop Frankfurt am Main

$836Lufthansa

Tue, Sep 8 - Tue, Sep 15

3:35 pm - 1:25 pmIAH Houston George Bush Intcntl-ATH Athens Eleftherios V.

13h 50m1 stop Frankfurt am Main

6:45 am - 1:35 pmATH Athens Eleftherios V.-IAH Houston George Bush Intcntl

14h 50m1 stop Frankfurt am Main

$860Multiple Airlines

Mon, Sep 7 - Wed, Sep 16

3:35 pm - 5:30 pmIAH Houston George Bush Intcntl-ATH Athens Eleftherios V.

17h 55m1 stop Frankfurt am Main

6:35 pm - 1:35 pmATH Athens Eleftherios V.-IAH Houston George Bush Intcntl

27h 00m1 stop Frankfurt am Main

$867Lufthansa

Wed, Sep 9 - Wed, Sep 23

3:35 pm - 5:30 pmIAH Houston George Bush Intcntl-ATH Athens Eleftherios V.

17h 55m1 stop Frankfurt am Main

6:45 am - 1:35 pmATH Athens Eleftherios V.-IAH Houston George Bush Intcntl

14h 50m1 stop Frankfurt am Main

$906Multiple Airlines

Wed, Sep 9 - Wed, Sep 16

9:15 pm - 2:35 pmIAH Houston George Bush Intcntl-ATH Athens Eleftherios V.

33h 20m1 stop Istanbul

4:00 am - 12:45 pmATH Athens Eleftherios V.-IAH Houston George Bush Intcntl

16h 45m1 stop Istanbul

$960Turkish Airlines

Fri, Sep 11 - Mon, Sep 14

6:10 pm - 6:35 pmIAH Houston George Bush Intcntl-ATH Athens Eleftherios V.

16h 25m1 stop Rome Fiumicino

6:05 am - 3:40 pmATH Athens Eleftherios V.-IAH Houston George Bush Intcntl

17h 35m1 stop Rome Fiumicino

$962ITA Airways

Wed, Sep 9 - Wed, Sep 16

6:10 pm - 6:35 pmIAH Houston George Bush Intcntl-ATH Athens Eleftherios V.

16h 25m1 stop Rome Fiumicino

6:05 am - 3:40 pmATH Athens Eleftherios V.-IAH Houston George Bush Intcntl

17h 35m1 stop Rome Fiumicino

$973ITA Airways

Wed, Sep 9 - Wed, Sep 16

3:55 pm - 1:40 pmIAH Houston George Bush Intcntl-ATH Athens Eleftherios V.

13h 45m1 stop Paris Charles de Gaulle

6:00 am - 1:20 pmATH Athens Eleftherios V.-IAH Houston George Bush Intcntl

15h 20m1 stop Amsterdam Schiphol

$986Delta

Mon, Sep 7 - Fri, Sep 18

5:40 am - 1:40 pmIAH Houston George Bush Intcntl-ATH Athens Eleftherios V.

24h 00m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

6:00 am - 1:20 pmATH Athens Eleftherios V.-IAH Houston George Bush Intcntl

15h 20m1 stop Amsterdam Schiphol

$991Delta

Tue, Sep 8 - Tue, Sep 15

9:15 pm - 2:35 pmIAH Houston George Bush Intcntl-ATH Athens Eleftherios V.

33h 20m1 stop Istanbul

4:00 am - 12:45 pmATH Athens Eleftherios V.-IAH Houston George Bush Intcntl

16h 45m1 stop Istanbul

$1,051Turkish Airlines

Fri, Sep 11 - Mon, Sep 14

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United Airlines flights from Houston to Greece

Our best United Airlines deals on Houston to Greece flight tickets

United Airlines

Mar 5

IAH11:55 amHouston George Bush Intcntl

25h 25m

2 stops

ATH9:20 pmAthens Eleftherios V.

Mar 19

ATH6:45 amAthens Eleftherios V.

23h 50m

2 stops

IAH11:35 pmHouston George Bush Intcntl

$821

United Airlines

Oct 13

IAH1:45 pmHouston George Bush Intcntl

36h 45m

1 stop

ATH10:30 amAthens Eleftherios V.

Oct 21

ATH12:10 pmAthens Eleftherios V.

28h 40m

1 stop

IAH8:50 amHouston George Bush Intcntl

$829

United Airlines

Oct 14

IAH10:00 amHouston George Bush Intcntl

16h 10m

1 stop

ATH10:10 amAthens Eleftherios V.

Oct 23

ATH6:45 amAthens Eleftherios V.

14h 50m

1 stop

IAH1:35 pmHouston George Bush Intcntl

$835

Delta flights from Houston to Greece

Our best Delta deals on Houston to Greece flight tickets

Delta

Nov 6

IAH6:00 amHouston George Bush Intcntl

23h 40m

2 stops

ATH1:40 pmAthens Eleftherios V.

Nov 10

ATH1:35 pmAthens Eleftherios V.

18h 24m

2 stops

IAH11:59 pmHouston George Bush Intcntl

$823

Delta

Oct 14

IAH3:55 pmHouston George Bush Intcntl

23h 00m

1 stop

ATH10:55 pmAthens Eleftherios V.

Oct 22

ATH6:00 amAthens Eleftherios V.

15h 20m

1 stop

IAH1:20 pmHouston George Bush Intcntl

$837

Delta

Oct 13

IAH7:00 amHouston George Bush Intcntl

22h 40m

2 stops

ATH1:40 pmAthens Eleftherios V.

Oct 20

ATH6:00 amAthens Eleftherios V.

15h 20m

1 stop

IAH1:20 pmHouston George Bush Intcntl

$842

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonAthens

IAH Houston George Bush Intcntl - ATH Athens Eleftherios V.

IAHATH

Houston George Bush Intcntl

Sat 1/30

3:30 pm-1:40 pm

2 stops38h 10m

Athens Eleftherios V.

Sat 2/13

7:05 am-9:34 pm

2 stops22h 29m

$821

HoustonAthens

IAH Houston George Bush Intcntl - ATH Athens Eleftherios V.

IAHATH

Houston George Bush Intcntl

Fri 3/5

5:23 pm-3:45 pm

2 stops38h 22m

Athens Eleftherios V.

Fri 3/19

7:35 am-11:58 pm

2 stops23h 23m

$821

HoustonAthens

IAH Houston George Bush Intcntl - ATH Athens Eleftherios V.

IAHATH

Houston George Bush Intcntl

Fri 3/5

11:55 am-9:20 pm

2 stops25h 25m

Athens Eleftherios V.

Fri 3/19

6:45 am-11:35 pm

2 stops23h 50m

$821

HoustonAthens

IAH Houston George Bush Intcntl - ATH Athens Eleftherios V.

IAHATH

Houston George Bush Intcntl

Wed 10/14

10:00 am-10:10 am

1 stop16h 10m

Athens Eleftherios V.

Thu 10/22

6:55 am-7:52 pm

2 stops20h 57m

$822

Quickest round-trip

HoustonAthens

IAH Houston George Bush Intcntl - ATH Athens Eleftherios V.

IAHATH

Houston George Bush Intcntl

Fri 11/6

3:05 pm-4:30 pm

1 stop17h 25m

Athens Eleftherios V.

Tue 11/10

1:35 pm-11:59 pm

2 stops18h 24m

$823

HoustonAthens

IAH Houston George Bush Intcntl - ATH Athens Eleftherios V.

IAHATH

Houston George Bush Intcntl

Fri 11/6

6:00 am-1:40 pm

2 stops23h 40m

Athens Eleftherios V.

Tue 11/10

1:35 pm-11:59 pm

2 stops18h 24m

$823

HoustonAthens

IAH Houston George Bush Intcntl - ATH Athens Eleftherios V.

IAHATH

Houston George Bush Intcntl

Tue 12/29

9:40 pm-1:25 am

1 stop19h 45m

Athens Eleftherios V.

Thu 1/7

8:00 pm-2:05 pm

1 stop26h 05m

$827

HoustonAthens

IAH Houston George Bush Intcntl - ATH Athens Eleftherios V.

IAHATH

Houston George Bush Intcntl

Wed 10/14

10:00 am-10:10 am

1 stop16h 10m

Athens Eleftherios V.

Thu 10/22

6:55 am-7:52 pm

2 stops20h 57m

$828

HoustonAthens

IAH Houston George Bush Intcntl - ATH Athens Eleftherios V.

IAHATH

Houston George Bush Intcntl

Tue 10/13

1:45 pm-10:30 am

1 stop36h 45m

Athens Eleftherios V.

Wed 10/21

12:10 pm-8:50 am

1 stop28h 40m

$829

HoustonAthens

IAH Houston George Bush Intcntl - ATH Athens Eleftherios V.

IAHATH

Houston George Bush Intcntl

Wed 10/14

10:00 am-10:10 am

1 stop16h 10m

Athens Eleftherios V.

Wed 10/21

6:55 am-7:52 pm

2 stops20h 57m

$840

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston to Greece

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

What is the cheapest month to fly to Greece?

In general, January is the cheapest month to fly from Houston to Greece. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $599. If you are unable to visit Greece during the month of January, then departing from Houston during the month March is also very affordable. Most momondo users find prices during this month for around $646.

How far in advance should I book a flight from Houston to Greece?

You are more likely to see cheaper flights to Greece from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Greece for around $908 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Greece from Houston for as low as $611 on momondo.

Cheap Houston to Greece flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Greece

Best Price Found	$174
Fastest flight time	13h 50m
Direct flights	None

The best one-way flight to Greece from Houston in the past 72 hours is $174. The best round-trip flight deal from Houston to Greece found on momondo in the last 72 hours is $821.

The fastest flight from Houston to Greece takes 13h 50m

There are no direct flights from Houston to Greece. There are no popular flight routes from Houston to Greece.

Search flight deals

Frequently asked questions about flying from Houston to Greece

When did momondo last update prices for flights from Houston to Greece?
Prices for flights from Houston to Greece refresh daily.
How many operators does momondo search for flights from Houston to Greece?
As of September 2026, there are 9 operators available to choose from for flights from Houston to Greece.
How old do you have to be to fly from Houston to Greece?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Greece.
What documentation or ID do you need to fly to Greece?
The travel and health documents required for your trip to Greece can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Greece. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Houston to Greece

Compare and see reviews for airlines that fly from Houston to Greece with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $478	Free Cancellation	Rating 7.8 8,557 reviews	Search Delta flights
British Airways	PriceFrom $487	Free Cancellation	Rating 6.7 8,209 reviews	Search British Airways flights
American Airlines	PriceFrom $497	Free Cancellation	Rating 7.1 12,039 reviews	Search American Airlines flights
Air Canada	PriceFrom $516	Free Cancellation	Rating 7.1 11,592 reviews	Search Air Canada flights
Lufthansa	PriceFrom $524	Free Cancellation	Rating 6.8 8,222 reviews	Search Lufthansa flights
KLM	PriceFrom $536	Free Cancellation	Rating 7.8 1,568 reviews	Search KLM flights
Turkish Airlines	PriceFrom $581	Free Cancellation	Rating 7.4 4,480 reviews	Search Turkish Airlines flights
ITA Airways	PriceFrom $598	Free Cancellation	Rating 6.7 1,332 reviews	Search ITA Airways flights
United Airlines	PriceFrom $630	Free Cancellation	Rating 7.4 10,173 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Greece?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Greece from Houston.

Can I find flights from Houston to Greece with flexible booking policies on momondo?

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

How can momondo help me find flights from Houston to Greece?

momondo helps you find the best flight between Houston and Greece by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Greece from Houston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.