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$471+ Cheap flights from Seattle (SEA) 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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BEG
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
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Cheap flight deals from Seattle to Serbia

Keep the following information in mind while searching for Seattle to Serbia flight deals. Data was last updated November 20, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$547
(KLM)

One-way from

$471
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,066
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 Seattle/Tacoma Intl to Serbia
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One-way flight from Seattle/Tacoma Intl to Serbia
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Highest demand for flights based on searches. 28% potential increase in price ($382 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($44 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 Seattle to Serbia

Cheapest flights from Seattle to Serbia
Explore the most affordable flight options available from Seattle to Serbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2025.

This KLM deal was found by Cheapflights users on 11/19. 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 12/313:05 pmSEA - BEG
1 stop35h 50mKLM
Wed 1/145:50 pmBEG - SEA
1 stop27h 00mKLM
Deal found 11/19$547
This Expedia deal was found by Cheapflights users on 11/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:10 pmSEA - BEG
1 stop16h 55mMultiple Airlines
Wed 1/149:40 amBEG - SEA
2 stops21h 36mMultiple Airlines
Deal found 11/19$552
This Gotogate deal was found by Cheapflights users on 11/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:10 pmSEA - BEG
1 stop16h 55mLufthansa
Sat 1/315:35 pmBEG - SEA
1 stop28h 45mLufthansa
Deal found 11/19$726
This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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.
Wed 12/31:05 pmSEA - BEG
2 stops21h 05mSWISS
Sat 1/319:40 amBEG - SEA
2 stops20h 32mSWISS
Deal found 11/19$739
This United Airlines deal was found by Cheapflights users on 11/19. 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 12/39:25 amSEA - BEG
2 stops18h 25mUnited Airlines
Sat 1/311:50 pmBEG - SEA
3 stops41h 53mUnited Airlines
Deal found 11/19$793
This FlightHub deal was found by Cheapflights users on 11/19. 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.
Mon 12/15:40 pmSEA - BEG
1 stop33h 10mMultiple Airlines
Sat 1/317:05 amBEG - SEA
1 stop17h 35mMultiple Airlines
Deal found 11/19$878
This Air Canada deal was found by Cheapflights users on 11/19. 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.
Wed 12/315:50 amSEA - BEG
3 stops43h 40mAir Canada
Wed 1/146:15 amBEG - SEA
3 stops22h 01mAir Canada
Deal found 11/19$981

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle 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 20, 2025.
Use the filters below to find and compare flights from Seattle to Serbia that are best for you.

Fly from

Seattle

Fly to

Serbia

Route

Depart

Return

Price

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Wed 12/31

3:05 pm-11:55 am

1 stop35h 50m

Belgrade Nikola Tesla

Wed 1/14

5:50 pm-11:50 am

1 stop27h 00m

$547

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Wed 12/31

3:05 pm-11:25 pm

1 stop23h 20m

Belgrade Nikola Tesla

Thu 1/22

6:05 am-11:50 am

1 stop14h 45m

$548

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Thu 1/15

7:15 am-11:25 pm

2 stops31h 10m

Belgrade Nikola Tesla

Mon 1/19

6:05 am-11:50 am

1 stop14h 45m

$552

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Wed 12/31

10:52 am-5:05 pm

2 stops21h 13m

Belgrade Nikola Tesla

Thu 1/22

5:50 pm-7:16 pm

2 stops34h 26m

$561

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Thu 1/15

10:58 am-8:50 am

2 stops36h 52m

Belgrade Nikola Tesla

Mon 1/19

9:40 am-9:12 pm

2 stops20h 32m

$561

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Wed 12/31

8:10 am-11:30 pm

2 stops30h 20m

Belgrade Nikola Tesla

Thu 1/22

6:50 am-9:31 am

3 stops35h 41m

$592

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Thu 1/15

2:00 pm-12:50 pm

1 stop13h 50m

Belgrade Nikola Tesla

Mon 1/19

6:15 am-12:10 pm

1 stop14h 55m

$666

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Wed 12/3

3:10 pm-5:05 pm

1 stop16h 55m

Belgrade Nikola Tesla

Sat 1/31

1:30 pm-7:16 pm

2 stops38h 46m

$729

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Wed 3/4

3:10 pm-12:45 pm

1 stop12h 35m

$538

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Sat 12/13

10:40 am-1:45 pm

2 stops18h 05m

$550

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 15 results
1
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Best time to book a flight from Seattle to Serbia

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

What is the cheapest month to book a flight from Seattle to Serbia?

Currently, December is the cheapest month in which you can book a flight from Seattle to Serbia (average of $524). Flying from Seattle to Serbia in June is currently the most expensive (average of $1,098). 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 SEA to RS?

Find hourly flight availability from Seattle 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 20, 2025.

It’s typically best to fly out from Seattle to Serbia in the evening. Doing so could potentially save you 18% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 November 20, 2025.
Peruse reviews from past customers who have flown with KLM, Turkish Airlines, and Lufthansa from Seattle to Serbia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,414 reviews

Comfort

7.7

Entertainment

7.1

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,414 reviews
KLM
7.7
Good
1,414 reviews

Comfort

7.7

Entertainment

7.1

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Turkish Airlines
7.3
Good
4,043 reviews
KLM
7.7
Good
1,414 reviews

Comfort

7.7

Entertainment

7.1

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Lufthansa
6.8
Okay
7,579 reviews
KLM
7.7
Good
1,414 reviews

Comfort

7.7

Entertainment

7.1

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

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

  • What airport do you fly from for flights from Seattle to Serbia?

    If you book a flight to Serbia from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle.

  • How long is the flight from Seattle to Serbia?

    There are many flights that can get you from Seattle to Serbia in 31h 10m. Fly via KLM or Delta to get the fastest option. The distance between Seattle and 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 Seattle to Serbia that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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 Seattle to Serbia?

    Currently, December is the cheapest month in which you can book a flight from Seattle to Serbia (average of $524). Flying from Seattle to Serbia in June is currently the most expensive (average of $1,098). 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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Top 3 airlines flying from Seattle to Serbia

Discover the top 3 airlines that operate flights from Seattle 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$643Average$952FlexibilityNo cancel feeOn-time76%
KLMCheapest$688Average$851FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$751Average$1,032FlexibilityNo cancel feeOn-time77%

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