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Cheap flights from Ithaca to Lisbon from $635

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Ithaca to Lisbon departing on 11/29. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:40 pm - 10:15 amITH-LIS
9h 35m1 stop
United Airlines Logo
5:00 am - 6:38 pmLIS-ITH
18h 38m2 stops
$635United Airlines
Find Deal
Sat, Nov 29 - Sat, Dec 6
United Airlines Logo
6:10 am - 11:25 amITH-LIS
24h 15m2 stops
United Airlines Logo
5:00 am - 6:38 pmLIS-ITH
18h 38m2 stops
$654United Airlines
Find Deal
Sat, Nov 29 - Sat, Dec 6
United Airlines Logo
7:40 pm - 10:15 amITH-LIS
9h 35m1 stop
United Airlines Logo
11:55 am - 11:43 pmLIS-ITH
16h 48m1 stop
$664United Airlines
Find Deal
Sat, Nov 29 - Sat, Dec 6
United Airlines Logo
7:40 pm - 11:35 amITH-LIS
34h 55m2 stops
United Airlines Logo
11:20 am - 11:43 pmLIS-ITH
41h 23m2 stops
$717United Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 11
United Airlines Logo
7:40 pm - 10:15 amITH-LIS
9h 35m1 stop
United Airlines Logo
10:15 am - 11:43 pmLIS-ITH
18h 28m2 stops
$809United Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 11
United Airlines Logo
7:40 pm - 10:15 amITH-LIS
9h 35m1 stop
United Airlines Logo
11:20 am - 11:43 pmLIS-ITH
41h 23m2 stops
$857United Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 11
United Airlines Logo
6:10 am - 11:35 amITH-LIS
24h 25m2 stops
United Airlines Logo
10:15 am - 11:43 pmLIS-ITH
18h 28m2 stops
$904United Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 11
United Airlines Logo
6:00 am - 9:20 amITH-LIS
23h 20m2 stops
United Airlines Logo
5:05 am - 11:30 pmLIS-ITH
23h 25m2 stops
$934United Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31
United Airlines Logo
6:00 am - 9:20 amITH-LIS
23h 20m2 stops
United Airlines Logo
5:05 am - 11:30 pmLIS-ITH
23h 25m2 stops
$935United Airlines
Find Deal
Fri, Mar 27 - Tue, Mar 31
Delta Logo
5:55 am - 9:00 amITH-LIS
23h 05m1 stop
Delta Logo
11:40 am - 11:21 pmLIS-ITH
40h 41m2 stops
$1,418Delta
Find Deal
Fri, Mar 27 - Tue, Mar 31

United Airlines flights from Ithaca to Lisbon

Our best United Airlines deals on Ithaca to Lisbon flight tickets
United Airlines
Nov 29
ITH7:40 pmIthaca Tompkins County
9h 35m
1 stop
LIS10:15 amLisbon Humberto Delgado
Dec 6
LIS5:00 amLisbon Humberto Delgado
18h 38m
2 stops
ITH6:38 pmIthaca Tompkins County
$635
Find similar
United Airlines
Nov 29
ITH6:10 amIthaca Tompkins County
24h 15m
2 stops
LIS11:25 amLisbon Humberto Delgado
Dec 6
LIS5:00 amLisbon Humberto Delgado
18h 38m
2 stops
ITH6:38 pmIthaca Tompkins County
$654
Find similar
United Airlines
Nov 29
ITH7:40 pmIthaca Tompkins County
9h 35m
1 stop
LIS10:15 amLisbon Humberto Delgado
Dec 6
LIS11:55 amLisbon Humberto Delgado
16h 48m
1 stop
ITH11:43 pmIthaca Tompkins County
$664
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ithaca to Lisbon 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 October 16, 2025.
Use the filters below to find and compare flights from Ithaca to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IthacaLisbon

ITH - LIS

ITHLIS

Ithaca Tompkins County

Sat 11/29

7:40 pm-10:15 am

1 stop9h 35m

Lisbon Humberto Delgado

Sat 12/6

5:00 am-6:38 pm

2 stops18h 38m

$635

IthacaLisbon

ITH - LIS

ITHLIS

Ithaca Tompkins County

Sat 11/29

6:10 am-11:25 am

2 stops24h 15m

Lisbon Humberto Delgado

Sat 12/6

5:00 am-6:38 pm

2 stops18h 38m

$654

IthacaLisbon

ITH - LIS

ITHLIS

Ithaca Tompkins County

Sat 11/29

7:40 pm-10:15 am

1 stop9h 35m

Lisbon Humberto Delgado

Sat 12/6

11:55 am-11:43 pm

1 stop16h 48m

$664

IthacaLisbon

ITH - LIS

ITHLIS

Ithaca Tompkins County

Tue 11/4

7:40 pm-11:35 am

2 stops34h 55m

Lisbon Humberto Delgado

Tue 11/11

11:20 am-11:43 pm

2 stops41h 23m

$717

IthacaLisbon

ITH - LIS

ITHLIS

Ithaca Tompkins County

Tue 11/4

7:40 pm-10:15 am

1 stop9h 35m

Lisbon Humberto Delgado

Tue 11/11

10:15 am-11:43 pm

2 stops18h 28m

$809

IthacaLisbon

ITH - LIS

ITHLIS

Ithaca Tompkins County

Tue 11/4

7:40 pm-10:15 am

1 stop9h 35m

Lisbon Humberto Delgado

Tue 11/11

11:20 am-11:43 pm

2 stops41h 23m

$857

IthacaLisbon

ITH - LIS

ITHLIS

Ithaca Tompkins County

Tue 11/4

6:10 am-11:35 am

2 stops24h 25m

Lisbon Humberto Delgado

Tue 11/11

10:15 am-11:43 pm

2 stops18h 28m

$904

IthacaLisbon

ITH - LIS

ITHLIS

Ithaca Tompkins County

Fri 3/27

6:00 am-9:20 am

2 stops23h 20m

Lisbon Humberto Delgado

Tue 3/31

5:05 am-11:30 pm

2 stops23h 25m

$934

IthacaLisbon

ITH - LIS

ITHLIS

Ithaca Tompkins County

Fri 3/27

6:00 am-9:20 am

2 stops23h 20m

Lisbon Humberto Delgado

Tue 3/31

5:05 am-11:30 pm

2 stops23h 25m

$935

IthacaLisbon

ITH - LIS

ITHLIS

Ithaca Tompkins County

Fri 3/27

5:55 am-9:00 am

1 stop23h 05m

Lisbon Humberto Delgado

Tue 3/31

11:40 am-11:21 pm

2 stops40h 41m

$1,418

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Lisbon from

How to get the cheapest flight ticket from Ithaca to Lisbon

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 Lisbon?

Our data shows that Friday is the least expensive day to fly to Lisbon. Tickets to fly out on this day can be as low as $654. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Ithaca to Lisbon for around $1,096.

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

The cheapest time of day to fly to Lisbon is in the afternoon when flights can be purchased for as low as $1,043. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,929 on average. Flights to Lisbon from Ithaca at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Ithaca to Lisbon

Are you open to changing your travel dates? Check out the ideal times to fly from Ithaca to Lisbon according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ithaca to Lisbon (ITH to LIS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ithaca to Lisbon

Direct flights

None
There are no direct flights from Ithaca to Lisbon. There are no popular flight routes from Ithaca to Lisbon.
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  • How far is Ithaca Tompkins County to Lisbon Humberto Delgado by plane?

    There are 3447.4 mi between Ithaca Tompkins County and Lisbon Humberto Delgado. By plane, this route typically takes 9h 35m.

  • When did momondo last update prices for flights from Ithaca Tompkins County Airport to Lisbon Humberto Delgado Airport?

    Prices for flights from Ithaca Tompkins County Airport to Lisbon Humberto Delgado Airport were last updated today.

  • How old do you have to be to fly from Ithaca Tompkins County Airport to Lisbon Humberto Delgado Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ithaca Tompkins County Airport to Lisbon Humberto Delgado Airport.

  • What documentation or ID do you need to fly to Lisbon Humberto Delgado Airport?

    The travel and health documents you'll need for your trip to Lisbon Humberto Delgado Airport 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 Lisbon Humberto Delgado Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Sintra
Fátima
Ericeira
Nazaré
Oeiras
Setúbal
Peniche
Almada
Estoril
Leiria
Sesimbra
Tomar
Evora
Zambujeira do Mar
Batalha
Figueira da Foz
Óbidos
Torres Vedras
Comporta
Sines

Why use momondo?

Why should I use momondo to find a flight deal from Ithaca to Lisbon?

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

Can I find flights from Ithaca to Lisbon with flexible booking policies on momondo?

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

How can momondo help me find flights from Ithaca to Lisbon?

Once all potential Ithaca to Lisbon flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Ithaca to Lisbon 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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