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$452+ 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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BEG
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
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 April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$730
(Delta)

One-way from

$452
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$1,029
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. 23% potential increase in price ($313 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 2, 2025.

This Delta deal was found by Cheapflights users on 3/31. 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.
Mon 10/63:30 pmSEA - BEG
2 stops22h 25mDelta
Mon 11/36:00 amBEG - SEA
1 stop14h 50mDelta
Deal found 3/31$652
This KLM deal was found by Cheapflights users on 3/31. 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.
Mon 10/65:40 pmSEA - BEG
1 stop33h 15mKLM
Mon 11/312:35 pmBEG - SEA
1 stop32h 15mKLM
Deal found 3/31$664
This KLM deal was found by Cheapflights users on 3/31. 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.
Sun 9/711:04 amPDX - BEG
2 stops16h 11mKLM
Thu 9/1812:35 pmBEG - PDX
1 stop31h 45mKLM
Deal found 3/31$734
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/229:55 amPDX - BEG
2 stops17h 40mUnited Airlines
Sat 5/316:10 amBEG - PDX
2 stops27h 20mUnited Airlines
Deal found 4/1$807
This Condor deal was found by Cheapflights users on 4/1. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/148:13 amSEA - BEG
2 stops29h 02mMultiple Airlines
Wed 5/217:00 amBEG - SEA
2 stops22h 35mMultiple Airlines
Deal found 4/1$830
This FlightHub deal was found by Cheapflights users on 3/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/76:35 pmPDX - BEG
1 stop18h 40mMultiple Airlines
Thu 9/185:30 pmBEG - PDX
1 stop29h 00mMultiple Airlines
Deal found 3/31$841
This oojo deal was found by Cheapflights users on 3/31. 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.
Mon 10/67:10 pmSEA - BEG
1 stop15h 25mTurkish Airlines
Sun 11/212:45 amBEG - SEA
1 stop25h 20mTurkish Airlines
Deal found 3/31$912
This Delta deal was found by Cheapflights users on 4/1. 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.
Tue 4/223:10 pmPDX - BEG
2 stops22h 45mDelta
Sat 5/316:00 amBEG - PDX
1 stop14h 20mDelta
Deal found 4/1$970
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Mon 10/67:15 pmSEA - BEG
2 stops32h 20mUnited Airlines
Mon 11/31:40 pmBEG - SEA
3 stops42h 19mUnited Airlines
Deal found 3/31$980
This Air Canada deal was found by Cheapflights users on 3/31. 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.
Fri 6/136:15 amPDX - BEG
2 stops21h 40mAir Canada
Sat 6/216:10 amBEG - PDX
3 stops21h 24mAir Canada
Deal found 3/31$1,608
This business-class.com deal was found by Cheapflights users on 4/1. 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 business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/233:10 pmSEA - BEG
1 stop12h 25mLufthansa
Sat 1/31:15 pmBEG - SEA
1 stop33h 05mLufthansa
Deal found 4/1$4,570

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 April 2, 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

Wed 5/14

6:07 pm-10:55 pm

1 stop19h 48m

Belgrade Nikola Tesla

Wed 5/21

6:00 am-3:57 pm

1 stop18h 57m

$730

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Mon 4/14

2:10 pm-10:55 pm

1 stop23h 45m

Belgrade Nikola Tesla

Wed 4/23

6:00 am-4:00 pm

1 stop19h 00m

$731

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Sun 9/7

11:04 am-12:15 pm

2 stops16h 11m

Belgrade Nikola Tesla

Thu 9/18

12:35 pm-11:20 am

1 stop31h 45m

$734

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Tue 4/22

9:55 am-12:35 pm

2 stops17h 40m

Belgrade Nikola Tesla

Sat 5/31

6:10 am-12:30 am

2 stops27h 20m

$807

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Wed 5/14

8:13 am-10:15 pm

2 stops29h 02m

Belgrade Nikola Tesla

Wed 5/21

7:00 am-8:35 pm

2 stops22h 35m

$830

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Sun 9/7

6:35 pm-10:15 pm

1 stop18h 40m

Belgrade Nikola Tesla

Thu 9/18

5:30 pm-1:30 pm

1 stop29h 00m

$841

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Tue 5/27

7:10 pm-7:35 pm

1 stop15h 25m

Belgrade Nikola Tesla

Tue 7/29

9:20 am-5:15 pm

1 stop16h 55m

$946

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Tue 4/22

3:10 pm-10:55 pm

2 stops22h 45m

Belgrade Nikola Tesla

Sat 5/31

6:00 am-11:20 am

1 stop14h 20m

$970

PortlandBelgrade

PDX - BEG

PDXBEG

Portland

Fri 6/13

6:15 am-12:55 pm

2 stops21h 40m

Belgrade Nikola Tesla

Sat 6/21

6:10 am-6:34 pm

3 stops21h 24m

$1,608

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Sat 6/21

1:45 pm-1:10 pm

2 stops38h 25m

Belgrade Nikola Tesla

Wed 8/20

6:10 am-8:54 pm

3 stops23h 44m

$1,637

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 14 results
1
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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, January is the cheapest month in which you can book a flight from State of Washington to Serbia (average of $688). Flying from State of Washington to Serbia in June is currently the most expensive (average of $1,186). 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 April 2, 2025.

When flying from State of Washington to Serbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Serbia by month

Plan your trip to Serbia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Serbia ranges from 1.6 - 4.0 inches per month. June is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Serbia when rainfall is around 1.6 in.

Temperature in Serbia by month

Plan your trip to Serbia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Serbia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Serbia

Get insights into the airlines that provide service to Serbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Serbia. Reviews last updated April 2, 2025.
Read reviews from past customers who have flown Delta, KLM and United Airlines from Washington to Serbia. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,616 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
3,748 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,022 reviews
Delta
8.0
Very good
7,897 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from State of Washington to Serbia one-way?

    The cheapest airlines for a one-way flight from State of Washington to Serbia are KLM ($636), Delta ($875), and Lufthansa ($936).

  • 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, January is the cheapest month in which you can book a flight from State of Washington to Serbia (average of $688). Flying from State of Washington to Serbia in June is currently the most expensive (average of $1,186). 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

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Top 5 airlines flying from Washington to Serbia

Discover the top 5 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$663Average$940FlexibilityNo cancel feeOn-time69%
KLMCheapest$689Average$1,190FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$695Average$1,074FlexibilityNo cancel feeOn-time76%
DeltaCheapest$745Average$1,102FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$752Average$1,467FlexibilityNo cancel feeOn-time77%

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