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Cheap flights from Seattle to Warsaw from $295

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Warsaw departing on 8/17. 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 Seattle to Warsaw

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:45 pm - 1:10 am
SEA
-
WMI
18h 25m
1 stop
Multiple Airlines Logo
10:45 pm - 4:00 pm
WMI
-
SEA
26h 15m
2 stops
$868Multiple Airlines
Fri, Aug 21 - Thu, Sep 3
Multiple Airlines Logo
7:00 pm - 10:15 am
SEA
-
WMI
30h 15m
2 stops
Multiple Airlines Logo
8:00 pm - 6:55 pm
WMI
-
SEA
31h 55m
1 stop
$929Multiple Airlines
Sun, Sep 13 - Sat, Oct 3
Multiple Airlines Logo
7:00 pm - 1:10 am
SEA
-
WMI
21h 10m
2 stops
Multiple Airlines Logo
3:05 pm - 7:00 pm
WMI
-
SEA
36h 55m
1 stop
$932Multiple Airlines
Fri, Sep 18 - Wed, Sep 30
Multiple Airlines Logo
7:00 pm - 1:10 am
SEA
-
WMI
21h 10m
2 stops
Multiple Airlines Logo
3:05 pm - 7:00 pm
WMI
-
SEA
36h 55m
1 stop
$942Multiple Airlines
Fri, Sep 18 - Wed, Sep 30
Multiple Airlines Logo
6:55 pm - 9:45 pm
SEA
-
WMI
17h 50m
1 stop
Multiple Airlines Logo
8:15 am - 5:00 pm
WMI
-
SEA
17h 45m
2 stops
$960Multiple Airlines
Sun, Nov 1 - Sun, Nov 15
Multiple Airlines Logo
3:40 pm - 11:30 pm
SEA
-
WMI
22h 50m
2 stops
Multiple Airlines Logo
6:30 am - 7:00 pm
WMI
-
SEA
21h 30m
1 stop
$961Multiple Airlines
Tue, Jul 21 - Thu, Sep 10
Multiple Airlines Logo
3:40 pm - 11:30 pm
SEA
-
WMI
22h 50m
2 stops
Multiple Airlines Logo
6:30 am - 7:00 pm
WMI
-
SEA
21h 30m
1 stop
$966Multiple Airlines
Tue, Jul 21 - Wed, Sep 9
Multiple Airlines Logo
6:55 pm - 9:15 pm
SEA
-
WMI
17h 20m
1 stop
Multiple Airlines Logo
8:15 am - 5:00 pm
WMI
-
SEA
17h 45m
2 stops
$967Multiple Airlines
Wed, Nov 4 - Sun, Nov 15
Multiple Airlines Logo
3:40 pm - 11:30 pm
SEA
-
WMI
22h 50m
2 stops
Multiple Airlines Logo
10:40 am - 7:00 pm
WMI
-
SEA
17h 20m
1 stop
$968Multiple Airlines
Tue, Jul 21 - Tue, Sep 8
Multiple Airlines Logo
8:05 pm - 9:05 pm
SEA
-
WMI
16h 00m
1 stop
Multiple Airlines Logo
8:15 am - 5:00 pm
WMI
-
SEA
17h 45m
2 stops
$973Multiple Airlines
Mon, Nov 2 - Sun, Nov 15

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momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Warsaw Modlin Airport 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 July 8, 2026.
Use the filters below to find and compare flights from Seattle to Warsaw Modlin Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Fri 8/21

9:45 pm-1:10 am

1 stop18h 25m

Warsaw Modlin

Thu 9/3

10:45 pm-4:00 pm

2 stops26h 15m

$868

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Sun 9/13

7:00 pm-10:15 am

2 stops30h 15m

Warsaw Modlin

Sat 10/3

8:00 pm-6:55 pm

1 stop31h 55m

$929

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Fri 9/18

7:00 pm-1:10 am

2 stops21h 10m

Warsaw Modlin

Wed 9/30

3:05 pm-7:00 pm

1 stop36h 55m

$932

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Fri 9/18

7:00 pm-1:10 am

2 stops21h 10m

Warsaw Modlin

Wed 9/30

3:05 pm-7:00 pm

1 stop36h 55m

$942

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Sun 11/1

6:55 pm-9:45 pm

1 stop17h 50m

Warsaw Modlin

Sun 11/15

8:15 am-5:00 pm

2 stops17h 45m

$960

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Tue 7/21

3:40 pm-11:30 pm

2 stops22h 50m

Warsaw Modlin

Thu 9/10

6:30 am-7:00 pm

1 stop21h 30m

$961

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Tue 7/21

3:40 pm-11:30 pm

2 stops22h 50m

Warsaw Modlin

Wed 9/9

6:30 am-7:00 pm

1 stop21h 30m

$966

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Wed 11/4

6:55 pm-9:15 pm

1 stop17h 20m

Warsaw Modlin

Sun 11/15

8:15 am-5:00 pm

2 stops17h 45m

$967

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Tue 7/21

3:40 pm-11:30 pm

2 stops22h 50m

Warsaw Modlin

Tue 9/8

10:40 am-7:00 pm

1 stop17h 20m

$968
Quickest round-trip

SeattleWarsaw

SEA - WMI

SEAWMI

Seattle/Tacoma Intl

Mon 11/2

8:05 pm-9:05 pm

1 stop16h 00m

Warsaw Modlin

Sun 11/15

8:15 am-5:00 pm

2 stops17h 45m

$973

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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When to book flights from Seattle to Warsaw Modlin Airport

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

Cheap Seattle to Warsaw Modlin Airport (SEA to WMI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Warsaw Modlin Airport

Fastest flight time

22h 50m

Direct flights

None
The fastest flight from Seattle to Warsaw Modlin Airport takes 22h 50m
There are no direct flights from Seattle to Warsaw Modlin Airport. There are no popular flight routes from Seattle to Warsaw Modlin Airport.
Search flight deals

Frequently asked questions about flying from Seattle to Warsaw Modlin Airport

  • How far is Seattle/Tacoma Intl to Warsaw Modlin by plane?

    Warsaw Modlin is 5183.8 mi away from Seattle/Tacoma Intl. In terms of flight time, this usually takes a little over 22h 50m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Warsaw Modlin Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Warsaw Modlin Airport were last updated today.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Warsaw Modlin Airport?

    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 Seattle/Tacoma Intl Airport to Warsaw Modlin Airport.

  • What documentation or ID do you need to fly to Warsaw Modlin Airport?

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

Frequently asked questions about flying from Seattle to Warsaw Modlin Airport

  • How do I get Price Alerts for flights from Seattle to Warsaw Modlin Airport?

    Search flight deals from Seattle to Warsaw Modlin Airport. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Seattle to Warsaw Modlin Airport with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Warsaw?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Warsaw. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seattle to Warsaw with flexible booking policies on momondo?

All flight searches from Seattle to Warsaw on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Warsaw?

Once you have performed a search for Seattle to Warsaw flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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

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