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$448+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BEG
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This KLM deal was found by Cheapflights users on 12/10. 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 12/293:05 pmSEA - BEG
1 stop35h 50mKLM
Fri 1/96:05 amBEG - SEA
1 stop14h 45mKLM
Deal found 12/10$1,148
This Air France deal was found by Cheapflights users on 12/10. 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.
Mon 12/299:35 amSEA - BEG
2 stops17h 50mMultiple Airlines
Fri 1/96:05 amBEG - SEA
2 stops19h 53mMultiple Airlines
Deal found 12/10$1,348
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/2912:35 pmSEA - BEG
2 stops39h 30mUnited Airlines
Fri 1/96:15 amBEG - SEA
3 stops42h 29mUnited Airlines
Deal found 12/10$1,442
This deal was found by Cheapflights users on 12/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:00 pmSEA - BEG
1 stop15h 25mTurkish Airlines
Sun 1/119:00 amBEG - SEA
1 stop17h 05mTurkish Airlines
Deal found 12/9$1,997
This deal was found by Cheapflights users on 12/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:00 pmSEA - BEG
1 stop15h 25mTurkish Airlines
Fri 1/99:00 amBEG - SEA
1 stop17h 05mTurkish Airlines
Deal found 12/9$2,007
This FlightHub deal was found by Cheapflights users on 12/11. 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.
Sat 12/278:00 pmSEA - BEG
2 stops31h 45mMultiple Airlines
Sun 1/41:50 pmBEG - SEA
2 stops37h 56mMultiple Airlines
Deal found 12/11$2,012
This deal was found by Cheapflights users on 12/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:00 pmSEA - BEG
1 stop15h 25mTurkish Airlines
Sat 1/109:00 amBEG - SEA
1 stop17h 05mTurkish Airlines
Deal found 12/9$2,028
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sat 12/275:00 amSEA - BEG
2 stops22h 55mUnited Airlines
Sun 1/41:50 pmBEG - SEA
2 stops40h 27mUnited Airlines
Deal found 12/10$2,059

Find flight deals from Seattle to Serbia

Keep the following information in mind while searching for Seattle to Serbia flight deals. Data was last updated December 12, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$546
(Mytrip)

One-way from

$448
(KLM)

Popular in

June

Cheapest in

February

Average price

$1,248
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
Search Deals
One-way flight from Seattle/Tacoma Intl to Serbia
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($341 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($43 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 12, 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

Sun 1/25

3:10 pm-11:55 am

1 stop35h 45m

Belgrade Nikola Tesla

Sun 2/1

5:50 pm-11:40 am

1 stop26h 50m

$548

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Sat 1/24

3:10 pm-11:10 pm

1 stop23h 00m

Belgrade Nikola Tesla

Sat 1/31

6:05 am-11:50 am

1 stop14h 45m

$548

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Tue 2/17

8:30 am-11:55 am

2 stops18h 25m

Belgrade Nikola Tesla

Sun 3/1

5:50 pm-11:35 am

1 stop26h 45m

$548

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Thu 2/19

6:00 am-11:55 am

2 stops20h 55m

Belgrade Nikola Tesla

Sun 3/1

6:05 am-11:35 am

1 stop14h 30m

$553

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Wed 2/4

7:10 am-11:55 am

2 stops19h 45m

Belgrade Nikola Tesla

Fri 2/27

6:05 am-11:40 am

1 stop14h 35m

$553

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Wed 2/4

8:10 am-12:45 pm

2 stops19h 35m

Belgrade Nikola Tesla

Fri 2/27

9:40 am-11:30 pm

2 stops22h 50m

$559

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Thu 1/8

12:35 pm-7:10 pm

2 stops21h 35m

Belgrade Nikola Tesla

Thu 1/15

2:35 pm-10:43 pm

2 stops41h 08m

$561

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Thu 1/8

12:35 pm-7:10 pm

2 stops21h 35m

Belgrade Nikola Tesla

Thu 1/15

5:50 pm-1:20 pm

1 stop28h 30m

$561

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Sun 1/25

10:58 am-1:45 pm

2 stops17h 47m

Belgrade Nikola Tesla

Sun 2/1

2:35 pm-9:12 pm

2 stops39h 37m

$561

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Thu 2/19

10:55 am-12:45 pm

2 stops16h 50m

Belgrade Nikola Tesla

Sun 3/1

6:15 am-10:43 pm

2 stops25h 28m

$563

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 20 results
1
2

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 December 12, 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 December 12, 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
1,432 reviews

Entertainment

7.1

Crew

8.3

Boarding

7.8

Overall

7.7

Food

7.2

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,432 reviews
KLM
7.7
Good
1,432 reviews

Entertainment

7.1

Crew

8.3

Boarding

7.8

Overall

7.7

Food

7.2

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Turkish Airlines
7.3
Good
4,088 reviews
KLM
7.7
Good
1,432 reviews

Entertainment

7.1

Crew

8.3

Boarding

7.8

Overall

7.7

Food

7.2

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Lufthansa
6.8
Okay
7,626 reviews
KLM
7.7
Good
1,432 reviews

Entertainment

7.1

Crew

8.3

Boarding

7.8

Overall

7.7

Food

7.2

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 20h 55m. 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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Alternative routes for Seattle to Serbia

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$643Average$935FlexibilityNo cancel feeOn-time76%
KLMCheapest$688Average$851FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$747Average$1,051FlexibilityNo cancel feeOn-time77%

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