How do I get Price Alerts for flights from State of Washington to Trondheim?

Price Alerts will notify you by email when the price for flights to Trondheim from State of Washington decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from State of Washington to Trondheim with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

When did momondo last update prices for flights from Washington to Trondheim Vaernes Airport?

Prices for flights from Washington to Trondheim Vaernes Airport are updated daily.

How many operators does momondo search for flights from Washington to Trondheim Vaernes Airport?

As of September 2026, there is 1 operator available to choose from for flights from Washington to Trondheim Vaernes Airport.

How old do you have to be to fly from Washington to Trondheim Vaernes Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Trondheim Vaernes Airport.

What documentation or ID do you need to fly to Trondheim Vaernes Airport?

The required travel and health documents for your Trondheim Vaernes Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Trondheim Vaernes Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$539 Cheap Flights from Washington to Trondheim in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Trondheim

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:55 pm - 4:20 pmSEA Seattle/Tacoma Intl-TRD Trondheim Vaernes

39h 25m2 stops Kastrup Copenhagen Oslo Gardermoen

6:25 pm - 1:45 pmTRD Trondheim Vaernes-SEA Seattle/Tacoma Intl

28h 20m2 stops Oslo Gardermoen Kastrup Copenhagen

$539Scandinavian Airlines

Sun, Oct 4 - Thu, Oct 8

3:55 pm - 9:40 amSEA Seattle/Tacoma Intl-TRD Trondheim Vaernes

32h 45m1 stop Kastrup Copenhagen

3:10 pm - 1:45 pmTRD Trondheim Vaernes-SEA Seattle/Tacoma Intl

55h 35m2 stops Bergen Flesland Kastrup Copenhagen

$566Scandinavian Airlines

Sun, Oct 4 - Thu, Oct 8

5:45 pm - 4:35 pmSEA Seattle/Tacoma Intl-TRD Trondheim Vaernes

13h 50m1 stop Amsterdam Schiphol

6:00 am - 11:52 amTRD Trondheim Vaernes-SEA Seattle/Tacoma Intl

14h 52m1 stop Amsterdam Schiphol

$567KLM

Sun, Oct 4 - Thu, Oct 8

2:25 pm - 4:35 pmSEA Seattle/Tacoma Intl-TRD Trondheim Vaernes

17h 10m1 stop Amsterdam Schiphol

6:20 am - 11:50 amTRD Trondheim Vaernes-SEA Seattle/Tacoma Intl

14h 30m1 stop Amsterdam Schiphol

$608KLM

Wed, Jan 20 - Thu, Jan 28

2:25 pm - 4:35 pmSEA Seattle/Tacoma Intl-TRD Trondheim Vaernes

17h 10m1 stop Amsterdam Schiphol

6:20 am - 11:50 amTRD Trondheim Vaernes-SEA Seattle/Tacoma Intl

14h 30m1 stop Amsterdam Schiphol

$608Delta

Tue, Jan 19 - Tue, Jan 26

2:25 pm - 4:35 pmSEA Seattle/Tacoma Intl-TRD Trondheim Vaernes

17h 10m1 stop Amsterdam Schiphol

6:20 am - 11:50 amTRD Trondheim Vaernes-SEA Seattle/Tacoma Intl

14h 30m1 stop Amsterdam Schiphol

$608Delta

Tue, Jan 19 - Wed, Jan 27

2:25 pm - 4:35 pmSEA Seattle/Tacoma Intl-TRD Trondheim Vaernes

17h 10m1 stop Amsterdam Schiphol

6:20 am - 11:50 amTRD Trondheim Vaernes-SEA Seattle/Tacoma Intl

14h 30m1 stop Amsterdam Schiphol

$608Delta

Tue, Jan 19 - Thu, Jan 28

2:25 pm - 4:35 pmSEA Seattle/Tacoma Intl-TRD Trondheim Vaernes

17h 10m1 stop Amsterdam Schiphol

6:20 am - 11:50 amTRD Trondheim Vaernes-SEA Seattle/Tacoma Intl

14h 30m1 stop Amsterdam Schiphol

$608Delta

Wed, Jan 20 - Tue, Jan 26

2:25 pm - 4:35 pmSEA Seattle/Tacoma Intl-TRD Trondheim Vaernes

17h 10m1 stop Amsterdam Schiphol

6:20 am - 11:50 amTRD Trondheim Vaernes-SEA Seattle/Tacoma Intl

14h 30m1 stop Amsterdam Schiphol

$608Delta

Wed, Jan 20 - Wed, Jan 27

7:50 am - 4:35 pmSEA Seattle/Tacoma Intl-TRD Trondheim Vaernes

23h 45m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

6:20 am - 11:50 amTRD Trondheim Vaernes-SEA Seattle/Tacoma Intl

14h 30m1 stop Amsterdam Schiphol

$613Delta

Wed, Jan 20 - Wed, Jan 27

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Delta flights from State of Washington to Trondheim

Our best Delta deals on State of Washington to Trondheim flight tickets

Delta

Jan 19

SEA2:25 pmSeattle/Tacoma Intl

17h 10m

1 stop

TRD4:35 pmTrondheim Vaernes

Jan 27

TRD6:20 amTrondheim Vaernes

14h 30m

1 stop

SEA11:50 amSeattle/Tacoma Intl

$608

Delta

Oct 18

SEA7:15 amSeattle/Tacoma Intl

19h 20m

2 stops

TRD11:35 amTrondheim Vaernes

Oct 27

TRD6:20 amTrondheim Vaernes

17h 34m

2 stops

SEA3:54 pmSeattle/Tacoma Intl

$649

Delta

Jan 22

SEA11:50 amSeattle/Tacoma Intl

19h 45m

2 stops

TRD4:35 pmTrondheim Vaernes

Jan 29

TRD6:20 amTrondheim Vaernes

21h 10m

2 stops

SEA6:30 pmSeattle/Tacoma Intl

$653

KLM flights from State of Washington to Trondheim

Our best KLM deals on State of Washington to Trondheim flight tickets

KLM

Oct 4

SEA5:45 pmSeattle/Tacoma Intl

13h 50m

1 stop

TRD4:35 pmTrondheim Vaernes

Oct 8

TRD6:00 amTrondheim Vaernes

14h 52m

1 stop

SEA11:52 amSeattle/Tacoma Intl

$567

KLM

Jan 20

SEA11:45 amSeattle/Tacoma Intl

19h 50m

2 stops

TRD4:35 pmTrondheim Vaernes

Jan 28

TRD6:20 amTrondheim Vaernes

14h 30m

1 stop

SEA11:50 amSeattle/Tacoma Intl

$613

KLM

Jan 20

SEA11:45 amSeattle/Tacoma Intl

19h 50m

2 stops

TRD4:35 pmTrondheim Vaernes

Jan 28

TRD6:20 amTrondheim Vaernes

19h 39m

2 stops

SEA4:59 pmSeattle/Tacoma Intl

$623

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Trondheim that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleTrondheim

SEA Seattle/Tacoma Intl - TRD Trondheim Vaernes

SEATRD

Seattle/Tacoma Intl

Sun 10/4

3:55 pm-4:20 pm

2 stops39h 25m

Trondheim Vaernes

Thu 10/8

6:25 pm-1:45 pm

2 stops28h 20m

$539

SeattleTrondheim

SEA Seattle/Tacoma Intl - TRD Trondheim Vaernes

SEATRD

Seattle/Tacoma Intl

Sun 10/4

3:55 pm-9:40 am

1 stop32h 45m

Trondheim Vaernes

Thu 10/8

3:10 pm-1:45 pm

2 stops55h 35m

$566

Quickest round-trip

SeattleTrondheim

SEA Seattle/Tacoma Intl - TRD Trondheim Vaernes

SEATRD

Seattle/Tacoma Intl

Sun 10/4

5:45 pm-4:35 pm

1 stop13h 50m

Trondheim Vaernes

Thu 10/8

6:00 am-11:52 am

1 stop14h 52m

$567

SeattleTrondheim

SEA Seattle/Tacoma Intl - TRD Trondheim Vaernes

SEATRD

Seattle/Tacoma Intl

Wed 1/20

2:25 pm-4:35 pm

1 stop17h 10m

Trondheim Vaernes

Thu 1/28

6:20 am-11:50 am

1 stop14h 30m

$608

SeattleTrondheim

SEA Seattle/Tacoma Intl - TRD Trondheim Vaernes

SEATRD

Seattle/Tacoma Intl

Tue 1/19

2:25 pm-4:35 pm

1 stop17h 10m

Trondheim Vaernes

Tue 1/26

6:20 am-11:50 am

1 stop14h 30m

$608

SeattleTrondheim

SEA Seattle/Tacoma Intl - TRD Trondheim Vaernes

SEATRD

Seattle/Tacoma Intl

Tue 1/19

2:25 pm-4:35 pm

1 stop17h 10m

Trondheim Vaernes

Wed 1/27

6:20 am-11:50 am

1 stop14h 30m

$608

SeattleTrondheim

SEA Seattle/Tacoma Intl - TRD Trondheim Vaernes

SEATRD

Seattle/Tacoma Intl

Tue 1/19

2:25 pm-4:35 pm

1 stop17h 10m

Trondheim Vaernes

Thu 1/28

6:20 am-11:50 am

1 stop14h 30m

$608

SeattleTrondheim

SEA Seattle/Tacoma Intl - TRD Trondheim Vaernes

SEATRD

Seattle/Tacoma Intl

Wed 1/20

2:25 pm-4:35 pm

1 stop17h 10m

Trondheim Vaernes

Tue 1/26

6:20 am-11:50 am

1 stop14h 30m

$608

SeattleTrondheim

SEA Seattle/Tacoma Intl - TRD Trondheim Vaernes

SEATRD

Seattle/Tacoma Intl

Wed 1/20

2:25 pm-4:35 pm

1 stop17h 10m

Trondheim Vaernes

Wed 1/27

6:20 am-11:50 am

1 stop14h 30m

$608

SeattleTrondheim

SEA Seattle/Tacoma Intl - TRD Trondheim Vaernes

SEATRD

Seattle/Tacoma Intl

Wed 1/20

7:50 am-4:35 pm

2 stops23h 45m

Trondheim Vaernes

Wed 1/27

6:20 am-11:50 am

1 stop14h 30m

$613

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap State of Washington to Trondheim flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Trondheim

Best Price Found	$539
Fastest flight time	29h 01m
Direct flights	None

The best flight deal from State of Washington to Trondheim found on momondo in the last 72 hours is $539

The fastest flight from State of Washington to Trondheim takes 29h 01m

There are no direct flights from State of Washington to Trondheim. There are no popular flight routes from State of Washington to Trondheim.

Search flight deals

Frequently asked questions about flying from Washington to Trondheim

When did momondo last update prices for flights from Washington to Trondheim Vaernes Airport?
Prices for flights from Washington to Trondheim Vaernes Airport are updated daily.
How many operators does momondo search for flights from Washington to Trondheim Vaernes Airport?
As of September 2026, there is 1 operator available to choose from for flights from Washington to Trondheim Vaernes Airport.
How old do you have to be to fly from Washington to Trondheim Vaernes Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Trondheim Vaernes Airport.
What documentation or ID do you need to fly to Trondheim Vaernes Airport?
The required travel and health documents for your Trondheim Vaernes Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Trondheim Vaernes Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from State of Washington to Trondheim

Compare and see reviews for airlines that fly from State of Washington to Trondheim with momondo

Airline	Rating	Free Cancellation	Price
KLM	PriceFrom $510	Free Cancellation	Rating 7.8 1,575 reviews		Search KLM flights

Frequently asked questions about flying from Washington to Trondheim

How do I get Price Alerts for flights from State of Washington to Trondheim?
Price Alerts will notify you by email when the price for flights to Trondheim from State of Washington decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from State of Washington to Trondheim with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Trondheim?

Finding the right flight to Trondheim from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Trondheim quick and easy, saving you time and money.

Can I find flights from Washington to Trondheim with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Trondheim from Washington with this policy.

How can momondo help me find flights from Washington to Trondheim?

Once all potential Washington to Trondheim flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington to Trondheim right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Trondheim, momondo offers a useful price alert feature which will track prices for flights to Trondheim from Washington and alert you when they change.