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$420+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BEG
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheap flight deals from Washington to Serbia

Keep the following information in mind while searching for Washington to Serbia flight deals. Data was last updated November 3, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$547
(Air France)

One-way from

$420
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$820
Provider with most accurate pricing for Seattle/Tacoma Intl-Belgrade Nikola Tesla flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Belgrade Nikola Tesla flights.
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From Washington to Serbia
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One-way flight from Washington to Serbia
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Highest demand for flights based on searches. 22% potential increase in price ($273 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 3, 2025.

This Air France deal was found by Cheapflights users on 11/2. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/23:05 pmSEA - BEG
1 stop23h 20mKLM
Tue 12/912:35 pmBEG - SEA
1 stop32h 15mKLM
Deal found 11/2$547
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:10 amSEA - BEG
2 stops31h 15mDelta
Tue 12/96:05 amBEG - SEA
1 stop14h 45mDelta
Deal found 11/2$552
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Tue 12/27:34 pmSEA - BEG
2 stops32h 16mUnited Airlines
Tue 12/96:10 amBEG - SEA
3 stops26h 05mUnited Airlines
Deal found 11/2$587
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 11/1910:53 amSEA - BEG
2 stops36h 57mMultiple Airlines
Mon 12/156:15 amBEG - SEA
1 stop14h 55mMultiple Airlines
Deal found 11/2$712
This Ovago deal was found by Cheapflights users on 11/2. 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.
Sat 11/83:54 pmPDX - BEG
2 stops47h 01mMultiple Airlines
Sat 11/158:00 pmBEG - PDX
2 stops35h 35mMultiple Airlines
Deal found 11/2$732
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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.
Sat 11/810:52 amPDX - BEG
2 stops17h 53mSWISS
Sat 11/159:40 amBEG - PDX
2 stops21h 53mSWISS
Deal found 11/3$739
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Thu 11/137:30 amPDX - BEG
2 stops20h 25mUnited Airlines
Mon 11/171:50 pmBEG - PDX
2 stops39h 39mUnited Airlines
Deal found 11/2$750
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:35 amPDX - BEG
2 stops26h 20mDelta
Mon 11/176:05 amBEG - PDX
1 stop14h 20mDelta
Deal found 11/1$752
This Air Canada deal was found by Cheapflights users on 11/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:15 pmPDX - BEG
2 stops40h 40mMultiple Airlines
Mon 11/176:15 amBEG - PDX
3 stops36h 00mMultiple Airlines
Deal found 11/2$755
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/22:35 pmSEA - BEG
3 stops24h 15mMultiple Airlines
Tue 12/95:15 pmBEG - SEA
3 stops32h 45mMultiple Airlines
Deal found 11/2$763
This SmartFares deal was found by Cheapflights users on 11/1. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/85:40 pmSEA - BEG
1 stop19h 40mMultiple Airlines
Sat 11/157:05 amBEG - SEA
1 stop17h 35mMultiple Airlines
Deal found 11/1$834
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 11/193:10 pmSEA - BEG
1 stop12h 35mLufthansa
Mon 12/156:15 amBEG - SEA
1 stop14h 55mLufthansa
Deal found 11/2$886

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 November 3, 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

Tue 12/2

3:05 pm-11:25 pm

1 stop23h 20m

Belgrade Nikola Tesla

Tue 12/9

12:35 pm-11:50 am

1 stop32h 15m

$547

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Tue 12/2

7:10 am-11:25 pm

2 stops31h 15m

Belgrade Nikola Tesla

Tue 12/9

6:05 am-11:50 am

1 stop14h 45m

$552

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Tue 12/2

7:34 pm-12:50 pm

2 stops32h 16m

Belgrade Nikola Tesla

Tue 12/9

6:10 am-11:15 pm

3 stops26h 05m

$587

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Sun 4/26

7:10 pm-7:30 pm

1 stop15h 20m

Belgrade Nikola Tesla

Tue 5/5

8:20 pm-5:15 pm

1 stop29h 55m

$730

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Thu 11/13

7:30 am-12:55 pm

2 stops20h 25m

Belgrade Nikola Tesla

Mon 11/17

1:50 pm-8:38 pm

2 stops39h 48m

$750

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Wed 11/19

8:10 am-12:45 pm

2 stops19h 35m

Belgrade Nikola Tesla

Mon 12/15

5:50 pm-12:10 pm

2 stops27h 20m

$751

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Thu 11/13

7:05 am-11:55 am

2 stops19h 50m

Belgrade Nikola Tesla

Mon 11/17

6:05 am-11:25 am

1 stop14h 20m

$752

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Thu 11/13

3:15 pm-4:55 pm

2 stops40h 40m

Belgrade Nikola Tesla

Mon 11/17

6:15 am-9:15 am

3 stops36h 00m

$755

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Sun 4/26

6:50 pm-11:25 pm

1 stop19h 35m

Belgrade Nikola Tesla

Tue 5/5

6:20 am-2:16 pm

2 stops16h 56m

$810

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Wed 11/19

3:10 pm-12:45 pm

1 stop12h 35m

Belgrade Nikola Tesla

Mon 12/15

6:15 am-12:10 pm

1 stop14h 55m

$886

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 23 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 June is currently the most expensive (average of $1,029). 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 November 3, 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 KLM, Delta, and United Airlines fly from State of Washington to Serbia in about 23h 20m. The time it takes to get you to your destination can typically vary by up to 8h 56m. The distance from State of Washington to Serbia is about 5666 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 June is currently the most expensive (average of $1,029). 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$643Average$952FlexibilityNo cancel feeOn-time76%
KLMCheapest$688Average$896FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$751Average$1,046FlexibilityNo cancel feeOn-time77%

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