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Belgrade

$448+ Cheap flights from Seattle (SEA) to Belgrade (BEG)

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 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Belgrade Nikola Tesla are usually found in February or October, booked 44 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from Seattle to Belgrade

Cheapest flights from Seattle to Belgrade
Explore the most affordable flight options available from Seattle to Belgrade. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This Delta deal was found by Cheapflights users on 12/15. 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 12/293:05 pmSEA - BEG
1 stop23h 20mDelta
Tue 1/136:05 amBEG - SEA
1 stop14h 45mDelta
Deal found 12/15$749
This Delta deal was found by Cheapflights users on 12/15. 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 12/305:25 amSEA - BEG
2 stops33h 00mDelta
Tue 1/1312:35 pmBEG - SEA
1 stop32h 15mDelta
Deal found 12/15$753
This KLM deal was found by Cheapflights users on 12/15. 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
Mon 1/1212:35 pmBEG - SEA
1 stop32h 15mKLM
Deal found 12/15$929
This Ovago deal was found by Cheapflights users on 12/15. 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.
Sun 12/283:10 pmSEA - BEG
2 stops23h 40mLufthansa
Tue 1/131:30 pmBEG - SEA
1 stop32h 50mLufthansa
Deal found 12/15$1,026
This KLM deal was found by Cheapflights users on 12/15. 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 stop23h 20mKLM
Sun 1/1112:35 pmBEG - SEA
1 stop32h 15mKLM
Deal found 12/15$1,089
This Delta deal was found by Cheapflights users on 12/15. 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 12/305:25 amSEA - BEG
2 stops33h 00mDelta
Sun 1/1112:35 pmBEG - SEA
1 stop32h 15mDelta
Deal found 12/15$1,093
This Air France deal was found by Cheapflights users on 12/15. 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
Sun 1/1112:35 pmBEG - SEA
1 stop32h 15mMultiple Airlines
Deal found 12/15$1,279
This FlightHub deal was found by Cheapflights users on 12/15. 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.
Thu 12/257:00 pmSEA - BEG
1 stop15h 25mTurkish Airlines
Tue 1/138:15 pmBEG - SEA
1 stop29h 50mTurkish Airlines
Deal found 12/15$1,295
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Sat 12/275:40 pmSEA - BEG
1 stop19h 40mMultiple Airlines
Tue 1/136:05 pmBEG - SEA
2 stops34h 47mMultiple Airlines
Deal found 12/15$1,324

Find flight deals from Seattle to Belgrade

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Belgrade (BEG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 16, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$531
(Mytrip)

One-way from

$448
(KLM)

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 Seattle/Tacoma Intl to Belgrade Nikola Tesla
Search Deals
One-way flight from Seattle/Tacoma Intl to Belgrade Nikola Tesla
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).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Belgrade 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 16, 2025.
Use the filters below to find and compare flights from Seattle to Belgrade that are best for you.

Fly from

Seattle

Fly to

Belgrade

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

3:10 pm-12:45 pm

1 stop12h 35m

Belgrade Nikola Tesla

Fri 2/27

9:40 am-10:43 pm

2 stops22h 03m

$548

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Fri 2/20

3:05 pm-11:55 am

1 stop35h 50m

Belgrade Nikola Tesla

Tue 3/3

12:35 pm-11:35 am

1 stop32h 00m

$549

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Sat 2/21

3:05 pm-11:55 am

1 stop35h 50m

Belgrade Nikola Tesla

Wed 3/4

6:05 am-11:35 am

1 stop14h 30m

$549

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Sat 2/21

3:05 pm-11:55 am

1 stop35h 50m

Belgrade Nikola Tesla

Sat 2/28

12:35 pm-11:35 am

1 stop32h 00m

$549

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Wed 2/18

3:05 pm-11:25 pm

1 stop23h 20m

Belgrade Nikola Tesla

Wed 3/4

6:05 am-11:35 am

1 stop14h 30m

$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

Mon 2/16

3:05 pm-11:55 am

1 stop35h 50m

Belgrade Nikola Tesla

Wed 3/4

6:05 am-11:35 am

1 stop14h 30m

$549

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Wed 2/18

7:10 am-11:55 am

2 stops19h 45m

Belgrade Nikola Tesla

Sun 3/1

6:05 am-11:35 am

1 stop14h 30m

$553

SeattleBelgrade

SEA - BEG

SEABEG

Seattle/Tacoma Intl

Sat 2/21

11:05 pm-11:25 pm

2 stops39h 20m

Belgrade Nikola Tesla

Mon 3/2

6:05 am-11:35 am

1 stop14h 30m

$553

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 14 results
1
2

Compare providers for flights from Seattle to Belgrade

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Belgrade in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Belgrade flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Seattle-Belgrade flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Seattle-Belgrade flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Belgrade flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Belgrade flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Belgrade

Have a flexible travel schedule? Discover the best time to fly to Belgrade 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 Belgrade

How far ahead should I book a flight from Seattle to Belgrade?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Belgrade. Price data was last updated on December 12, 2025.

The price you pay for your flight from Seattle to Belgrade may vary depending on when you book. For the best chance of a lower fare, look to book 44 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, December is the cheapest month in which you can book a flight from Seattle to Belgrade (average of $524). Flying from Seattle to Belgrade 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 SEA to BEG?

Find hourly flight availability from Seattle to Belgrade. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 16, 2025.

It’s typically best to fly out from Seattle to Belgrade 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 Belgrade

Get insights into the airlines that provide service to Belgrade. 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 Belgrade. Reviews last updated December 16, 2025.
See what other customers who have flown with KLM, Turkish Airlines, and Lufthansa from Seattle to Belgrade have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,430 reviews

Food

7.2

Entertainment

7.1

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.4

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
1,430 reviews
KLM
7.7
Good
1,430 reviews

Food

7.2

Entertainment

7.1

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.4

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
4,104 reviews
KLM
7.7
Good
1,430 reviews

Food

7.2

Entertainment

7.1

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.4

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
7,632 reviews
KLM
7.7
Good
1,430 reviews

Food

7.2

Entertainment

7.1

Boarding

7.8

Comfort

7.6

Overall

7.7

Crew

8.4

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 Belgrade. 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 Seattle to Belgrade?

    For as low as $549, Delta can have you in Belgrade from Seattle in 35h 50m. There are 5666 mi between Seattle and Belgrade.

  • What are the cheapest airlines flying from Seattle to Belgrade round-trip?

    According to our current data, Lufthansa ($643), KLM ($688), and Turkish Airlines ($747) offers the cheapest pricing from Seattle to Belgrade. These flights start at 35% lower than the current average price 3 months from now.

  • Can I find deals for flights from Seattle to Belgrade that include hotel bookings?

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Seattle to Belgrade (average of $524). Flying from Seattle to Belgrade 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Belgrade

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Belgrade flights

Top 3 airlines flying from Seattle to Belgrade

Discover the top 3 airlines that operate flights from Seattle to Belgrade. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$643Average$935FlexibilityNo cancel feeOn-time76%
KLMCheapest$688Average$851FlexibilityNo cancel feeOn-time75%
Turkish AirlinesCheapest$747Average$1,046FlexibilityNo cancel feeOn-time77%

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