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$279+ Cheap flights from Washington to Serbia

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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BEG
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Washington to Serbia

Cheapest flights from Washington to Serbia
Explore the most affordable flight options available from Washington to Serbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This KLM deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/173:05 pmSEA - BEG
1 stop35h 50mKLM
Mon 12/2912:35 pmBEG - SEA
1 stop32h 15mKLM
Deal found 12/17$2,297
This oojo deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:00 pmSEA - BEG
1 stop15h 25mTurkish Airlines
Fri 1/29:00 amBEG - SEA
1 stop17h 05mTurkish Airlines
Deal found 12/16$2,326
This Kiwi.com deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:05 pmSEA - BEG
2 stops43h 30mMultiple Airlines
Mon 12/298:15 pmBEG - SEA
1 stop29h 50mMultiple Airlines
Deal found 12/17$2,403
This oojo deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:00 pmSEA - BEG
1 stop15h 25mTurkish Airlines
Fri 1/29:00 amBEG - SEA
1 stop17h 05mTurkish Airlines
Deal found 12/17$2,459
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/171:40 pmSEA - BEG
2 stops38h 10mUnited Airlines
Mon 12/291:50 pmBEG - SEA
2 stops41h 57mUnited Airlines
Deal found 12/17$2,484
This LOT deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:11 pmSEA - BEG
2 stops35h 24mMultiple Airlines
Fri 1/21:55 pmBEG - SEA
2 stops29h 52mMultiple Airlines
Deal found 12/16$3,085
This Cheapflightsfares deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:00 amSEA - BEG
2 stops24h 40mAustrian Airlines
Fri 1/26:50 amBEG - SEA
2 stops23h 07mAustrian Airlines
Deal found 12/17$3,176
This Ovago deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:52 amSEA - BEG
2 stops40h 53mMultiple Airlines
Fri 1/26:50 amBEG - SEA
2 stops15h 30mMultiple Airlines
Deal found 12/16$3,199

Find flight deals from Washington to Serbia

Keep the following information in mind while searching for Washington to Serbia flight deals. Data was last updated December 18, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$531
(Mytrip)

One-way from

$279
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$1,248
Provider with most accurate pricing for Seattle/Tacoma Intl-Belgrade Nikola Tesla flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Belgrade Nikola Tesla flights.
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From Washington to Serbia
Search Deals
One-way flight from Washington to Serbia
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($212 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Serbia 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, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Washington to Serbia that are best for you.

Fly from

Washington

Fly to

Serbia

Route

Depart

Return

Price

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Fri 1/30

3:10 pm-4:55 pm

1 stop16h 45m

Belgrade Nikola Tesla

Fri 2/6

9:40 am-10:16 pm

2 stops21h 36m

$531

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Fri 2/6

9:55 am-12:45 pm

2 stops17h 50m

Belgrade Nikola Tesla

Fri 2/27

9:40 am-10:43 pm

2 stops22h 03m

$542

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Tue 1/13

7:00 am-12:45 pm

2 stops20h 45m

Belgrade Nikola Tesla

Tue 1/20

1:30 pm-12:39 am

2 stops20h 09m

$547

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Sat 1/31

3:10 pm-11:10 pm

1 stop23h 00m

Belgrade Nikola Tesla

Sat 2/7

6:05 am-11:40 am

1 stop14h 35m

$549

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Thu 1/29

3:10 pm-11:25 pm

1 stop23h 15m

Belgrade Nikola Tesla

Fri 2/6

6:05 am-11:40 am

1 stop14h 35m

$549

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Fri 1/30

3:10 pm-11:25 pm

1 stop23h 15m

Belgrade Nikola Tesla

Fri 2/6

12:35 pm-11:40 am

1 stop32h 05m

$549

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 2/20

1:25 pm-11:55 am

1 stop13h 30m

Belgrade Nikola Tesla

Thu 3/5

12:35 pm-11:25 am

1 stop31h 50m

$549

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 2/18

1:25 pm-11:55 am

1 stop13h 30m

Belgrade Nikola Tesla

Wed 3/4

6:05 am-11:25 am

1 stop14h 20m

$549

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Wed 2/18

1:25 pm-11:25 pm

1 stop25h 00m

Belgrade Nikola Tesla

Fri 3/6

6:05 am-11:25 am

1 stop14h 20m

$549

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 2/20

7:00 am-11:55 am

2 stops19h 55m

Belgrade Nikola Tesla

Mon 3/2

6:05 am-11:25 am

1 stop14h 20m

$549

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 32 results
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Best time to book a flight from Washington to Serbia

Have a flexible travel schedule? Discover the best time to fly to Serbia from Washington 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 Washington to Serbia

What is the cheapest month to book a flight from State of Washington to Serbia?

Currently, December is the cheapest month in which you can book a flight from State of Washington to Serbia (average of $524). Flying from State of Washington to Serbia in November is currently the most expensive (average of $1,073). 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 WA to RS?

Find hourly flight availability from Washington to Serbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

One of the essential ways to save on airfare from State of Washington to Serbia is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 24% on airfare.

Related info for your journey

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

  • How long is the flight from State of Washington to Serbia?

    Airlines like Lufthansa, KLM, and Delta fly from State of Washington to Serbia in about 20h 45m. The time it takes to get you to your destination can typically vary by up to 2h 30m. The distance from State of Washington to Serbia is about 5788 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Washington to Serbia that include hotel bookings?

    Yes. In addition to deals on Washington to Serbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Serbia?

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

  • Can I find deals for business class flights from Washington to Serbia?

    Yes. Cheapflights offers flight deals from Washington to Serbia 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 State of Washington to Serbia?

    Currently, December is the cheapest month in which you can book a flight from State of Washington to Serbia (average of $524). Flying from State of Washington to Serbia in November is currently the most expensive (average of $1,073). 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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Alternative routes for Washington to Serbia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Washington to Serbia

Discover the top 3 airlines that operate flights from Washington to Serbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$643Average$935FlexibilityNo cancel feeOn-time76%
KLMCheapest$688Average$896FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$747Average$1,046FlexibilityNo cancel feeOn-time77%

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