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Cheap flights from the United States to Ostrava from $1,147

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Ostrava departing on 8/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from the United States to Ostrava

Recent round-trip flight deals from the United States to Ostrava

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:35 pm - 2:10 pm
EWR
-
OSR
38h 35m
3 stops
Multiple Airlines Logo
2:45 pm - 4:05 pm
OSR
-
EWR
31h 20m
3 stops
$1,147Multiple Airlines
Sun, Aug 2 - Sun, Aug 9
Multiple Airlines Logo
5:35 pm - 2:10 pm
EWR
-
OSR
38h 35m
3 stops
Multiple Airlines Logo
2:45 pm - 5:45 pm
OSR
-
EWR
33h 00m
2 stops
$1,265Multiple Airlines
Sun, Aug 2 - Sun, Aug 9
TAP AIR PORTUGAL Logo
5:30 pm - 2:10 pm
EWR
-
OSR
14h 40m
2 stops
TAP AIR PORTUGAL Logo
2:45 pm - 9:00 pm
OSR
-
EWR
36h 15m
2 stops
$1,283TAP AIR PORTUGAL
Sat, Jul 4 - Wed, Jul 8
Multiple Airlines Logo
5:30 pm - 2:10 pm
JFK
-
OSR
38h 40m
2 stops
Multiple Airlines Logo
2:45 pm - 8:20 pm
OSR
-
JFK
11h 35m
1 stop
$1,290Multiple Airlines
Sun, Aug 2 - Sun, Aug 9
Multiple Airlines Logo
8:25 pm - 11:55 pm
EWR
-
OSR
21h 30m
3 stops
Multiple Airlines Logo
2:45 pm - 4:05 pm
OSR
-
EWR
31h 20m
3 stops
$1,323Multiple Airlines
Sun, Aug 2 - Sun, Aug 9
Multiple Airlines Logo
6:20 pm - 2:10 pm
JFK
-
OSR
37h 50m
3 stops
Multiple Airlines Logo
2:45 pm - 8:20 pm
OSR
-
JFK
11h 35m
1 stop
$1,381Multiple Airlines
Sun, Aug 2 - Sun, Aug 9
Multiple Airlines Logo
7:45 pm - 2:10 pm
EWR
-
OSR
12h 25m
1 stop
Multiple Airlines Logo
9:15 pm - 9:00 pm
OSR
-
EWR
29h 45m
2 stops
$1,417Multiple Airlines
Sat, Jul 4 - Wed, Jul 8
Multiple Airlines Logo
6:20 pm - 2:10 pm
JFK
-
OSR
37h 50m
3 stops
Multiple Airlines Logo
2:45 pm - 8:05 pm
OSR
-
JFK
35h 20m
3 stops
$1,421Multiple Airlines
Sun, Aug 2 - Sun, Aug 9
Multiple Airlines Logo
8:30 pm - 2:10 pm
JFK
-
OSR
35h 40m
3 stops
Multiple Airlines Logo
2:45 pm - 8:20 pm
OSR
-
JFK
11h 35m
1 stop
$1,429Multiple Airlines
Sun, Aug 2 - Sun, Aug 9
LOT Logo
10:20 pm - 2:10 pm
JFK
-
OSR
33h 50m
1 stop
LOT Logo
2:45 pm - 8:20 pm
OSR
-
JFK
11h 35m
1 stop
$1,663LOT
Sun, Aug 2 - Sun, Aug 9

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LOT flights from United States to Ostrava

Our best LOT deals on United States to Ostrava flight tickets
LOT
Aug 2
JFK10:20 pmNew York John F Kennedy Intl
33h 50m
1 stop
OSR2:10 pmOstrava Mosnov
Aug 9
OSR2:45 pmOstrava Mosnov
11h 35m
1 stop
JFK8:20 pmNew York John F Kennedy Intl
$1,663
LOT
Sep 28
JFK5:40 pmNew York John F Kennedy Intl
14h 30m
1 stop
OSR2:10 pmOstrava Mosnov
Sep 30
OSR2:45 pmOstrava Mosnov
11h 35m
1 stop
JFK8:20 pmNew York John F Kennedy Intl
$1,845
LOT
Aug 2
JFK10:20 pmNew York John F Kennedy Intl
33h 50m
1 stop
OSR2:10 pmOstrava Mosnov
Aug 9
OSR2:45 pmOstrava Mosnov
30h 55m
1 stop
JFK3:40 pmNew York John F Kennedy Intl
$1,868

momondo Fare Finder

 
Customize your flight search to find flights from United States to Ostrava 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 June 21, 2026.
Use the filters below to find and compare flights from the United States to Ostrava that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkOstrava

EWR - OSR

EWROSR

Newark

Sun 8/2

5:35 pm-2:10 pm

3 stops38h 35m

Ostrava Mosnov

Sun 8/9

2:45 pm-4:05 pm

3 stops31h 20m

$1,147

NewarkOstrava

EWR - OSR

EWROSR

Newark

Sun 8/2

5:35 pm-2:10 pm

3 stops38h 35m

Ostrava Mosnov

Sun 8/9

2:45 pm-5:45 pm

2 stops33h 00m

$1,265

NewarkOstrava

EWR - OSR

EWROSR

Newark

Sat 7/4

5:30 pm-2:10 pm

2 stops14h 40m

Ostrava Mosnov

Wed 7/8

2:45 pm-9:00 pm

2 stops36h 15m

$1,283

New YorkOstrava

JFK - OSR

JFKOSR

New York John F Kennedy Intl

Sun 8/2

5:30 pm-2:10 pm

2 stops38h 40m

Ostrava Mosnov

Sun 8/9

2:45 pm-8:20 pm

1 stop11h 35m

$1,290

NewarkOstrava

EWR - OSR

EWROSR

Newark

Sun 8/2

8:25 pm-11:55 pm

3 stops21h 30m

Ostrava Mosnov

Sun 8/9

2:45 pm-4:05 pm

3 stops31h 20m

$1,323

New YorkOstrava

JFK - OSR

JFKOSR

New York John F Kennedy Intl

Sun 8/2

6:20 pm-2:10 pm

3 stops37h 50m

Ostrava Mosnov

Sun 8/9

2:45 pm-8:20 pm

1 stop11h 35m

$1,381
Quickest round-trip

NewarkOstrava

EWR - OSR

EWROSR

Newark

Sat 7/4

7:45 pm-2:10 pm

1 stop12h 25m

Ostrava Mosnov

Wed 7/8

9:15 pm-9:00 pm

2 stops29h 45m

$1,417

New YorkOstrava

JFK - OSR

JFKOSR

New York John F Kennedy Intl

Sun 8/2

6:20 pm-2:10 pm

3 stops37h 50m

Ostrava Mosnov

Sun 8/9

2:45 pm-8:05 pm

3 stops35h 20m

$1,421

New YorkOstrava

JFK - OSR

JFKOSR

New York John F Kennedy Intl

Sun 8/2

8:30 pm-2:10 pm

3 stops35h 40m

Ostrava Mosnov

Sun 8/9

2:45 pm-8:20 pm

1 stop11h 35m

$1,429

New YorkOstrava

JFK - OSR

JFKOSR

New York John F Kennedy Intl

Sun 8/2

10:20 pm-2:10 pm

1 stop33h 50m

Ostrava Mosnov

Sun 8/9

2:45 pm-8:20 pm

1 stop11h 35m

$1,663

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Ostrava from

How to get the cheapest flight ticket from United States to Ostrava

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

Can stopping save me money on United States to Ostrava flights?

You could potentially save up to 14% on your flight if you consider stops on a United States to Ostrava flight.

Cheap United States to Ostrava flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Ostrava

Fastest flight time

12h 25m

Direct flights

None
The fastest flight from United States to Ostrava takes 12h 25m
There are no direct flights from United States to Ostrava. There are no popular flight routes from United States to Ostrava.
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Frequently asked questions about flying from the United States to Ostrava

  • When did momondo last update prices for flights from United States to Ostrava Mosnov Airport?

    Prices for flights from United States to Ostrava Mosnov Airport refresh daily.

  • How old do you have to be to fly from United States to Ostrava Mosnov Airport?

    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 United States to Ostrava Mosnov Airport.

  • What documentation or ID do you need to fly to Ostrava Mosnov Airport?

    The necessary travel and health documents for your Ostrava Mosnov 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.

Traveling to a place near Ostrava?

Book flights to Ostrava if you plan to visit one of these locations
Olomouc

Why use momondo?

Why should I use momondo to find a flight deal from United States to Ostrava?

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

Can I find flights from United States to Ostrava with flexible booking policies on momondo?

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

How can momondo help me find flights from United States to Ostrava?

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 United States to Ostrava.

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

If you are not ready to book a flight from United States to Ostrava now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ostrava and let you know when they change.

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