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 August 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.

$364 Cheap Flights from Washington to Trondheim in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Trondheim

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:08 pm - 12:35 amSEA Seattle/Tacoma Intl-TRD Trondheim Vaernes

40h 27m2 stops Boston Logan Intl Kastrup Copenhagen

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

52h 20m2 stops Oslo Gardermoen Kastrup Copenhagen

$631Scandinavian Airlines

Mon, Sep 14 - Wed, Sep 30

11:08 pm - 2:25 pmSEA Seattle/Tacoma Intl-TRD Trondheim Vaernes

30h 17m2 stops Boston Logan Intl Kastrup Copenhagen

7:00 am - 1:45 pmTRD Trondheim Vaernes-SEA Seattle/Tacoma Intl

39h 45m2 stops Bergen Flesland Kastrup Copenhagen

$651Scandinavian Airlines

Mon, Oct 5 - Fri, Oct 9

1:45 pm - 4:35 pmSEA Seattle/Tacoma Intl-TRD Trondheim Vaernes

17h 50m1 stop Amsterdam Schiphol

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

14h 52m1 stop Amsterdam Schiphol

$664KLM

Mon, Oct 5 - Fri, Oct 9

9:59 am - 4:35 pmSEA Seattle/Tacoma Intl-TRD Trondheim Vaernes

21h 36m2 stops Los Angeles Amsterdam Schiphol

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

14h 52m1 stop Amsterdam Schiphol

$668Delta

Mon, Oct 5 - Fri, Oct 9

7:15 am - 11:35 amSEA Seattle/Tacoma Intl-TRD Trondheim Vaernes

19h 20m2 stops Chicago O'Hare Intl Amsterdam Schiphol

5:30 am - 6:30 pmTRD Trondheim Vaernes-SEA Seattle/Tacoma Intl

22h 00m2 stops Kastrup Copenhagen New York John F Kennedy Intl

$768Delta

Sat, Sep 5 - Sat, Sep 12

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

13h 50m1 stop Amsterdam Schiphol

6:00 am - 4:44 pmTRD Trondheim Vaernes-SEA Seattle/Tacoma Intl

19h 44m2 stops Amsterdam Schiphol Los Angeles

$774Delta

Mon, Sep 14 - Wed, Sep 30

8:00 am - 10:45 pmSEA Seattle/Tacoma Intl-TRD Trondheim Vaernes

29h 45m3 stops Toronto Pearson Intl Stockholm Arlanda Oslo Gardermoen

6:25 pm - 11:55 amTRD Trondheim Vaernes-SEA Seattle/Tacoma Intl

26h 30m3 stops Oslo Gardermoen Stockholm Arlanda Frankfurt am Main

$822Multiple Airlines

Thu, Sep 3 - Tue, Sep 15

12:30 pm - 12:50 pmSEA Seattle/Tacoma Intl-TRD Trondheim Vaernes

39h 20m2 stops Los Angeles Kastrup Copenhagen

4:55 pm - 11:04 pmTRD Trondheim Vaernes-SEA Seattle/Tacoma Intl

39h 09m2 stops Oslo Gardermoen New York John F Kennedy Intl

$829Scandinavian Airlines

Fri, Oct 16 - Tue, Oct 20

7:16 am - 12:25 pmSEA Seattle/Tacoma Intl-TRD Trondheim Vaernes

20h 09m3 stops Boston Logan Intl Kastrup Copenhagen Oslo Gardermoen

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

16h 20m2 stops Oslo Gardermoen Kastrup Copenhagen

$851Scandinavian Airlines

Mon, Oct 5 - Fri, Oct 9

5:45 pm - 10:50 pmSEA Seattle/Tacoma Intl-TRD Trondheim Vaernes

20h 05m1 stop Amsterdam Schiphol

6:00 am - 11:47 amTRD Trondheim Vaernes-SEA Seattle/Tacoma Intl

14h 47m1 stop Amsterdam Schiphol

$997KLM

Mon, Sep 14 - Wed, Sep 30

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Scandinavian Airlines flights from State of Washington to Trondheim

Our best Scandinavian Airlines deals on State of Washington to Trondheim flight tickets

Scandinavian Airlines

Sep 14

SEA11:08 pmSeattle/Tacoma Intl

40h 27m

2 stops

TRD12:35 amTrondheim Vaernes

Sep 30

TRD6:25 pmTrondheim Vaernes

52h 20m

2 stops

SEA1:45 pmSeattle/Tacoma Intl

$631

Scandinavian Airlines

Oct 5

SEA11:08 pmSeattle/Tacoma Intl

30h 17m

2 stops

TRD2:25 pmTrondheim Vaernes

Oct 9

TRD7:00 amTrondheim Vaernes

39h 45m

2 stops

SEA1:45 pmSeattle/Tacoma Intl

$651

Scandinavian Airlines

Oct 16

SEA12:30 pmSeattle/Tacoma Intl

39h 20m

2 stops

TRD12:50 pmTrondheim Vaernes

Oct 20

TRD4:55 pmTrondheim Vaernes

39h 09m

2 stops

SEA11:04 pmSeattle/Tacoma Intl

$829

KLM flights from State of Washington to Trondheim

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

KLM

Oct 5

SEA1:45 pmSeattle/Tacoma Intl

17h 50m

1 stop

TRD4:35 pmTrondheim Vaernes

Oct 9

TRD6:00 amTrondheim Vaernes

14h 52m

1 stop

SEA11:52 amSeattle/Tacoma Intl

$664

KLM

Sep 14

SEA5:45 pmSeattle/Tacoma Intl

20h 05m

1 stop

TRD10:50 pmTrondheim Vaernes

Sep 30

TRD6:00 amTrondheim Vaernes

14h 47m

1 stop

SEA11:47 amSeattle/Tacoma Intl

$997

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleTrondheim

SEA Seattle/Tacoma Intl - TRD Trondheim Vaernes

SEATRD

Seattle/Tacoma Intl

Mon 9/14

11:08 pm-12:35 am

2 stops40h 27m

Trondheim Vaernes

Wed 9/30

6:25 pm-1:45 pm

2 stops52h 20m

$631

SeattleTrondheim

SEA Seattle/Tacoma Intl - TRD Trondheim Vaernes

SEATRD

Seattle/Tacoma Intl

Mon 10/5

11:08 pm-2:25 pm

2 stops30h 17m

Trondheim Vaernes

Fri 10/9

7:00 am-1:45 pm

2 stops39h 45m

$651

Quickest round-trip

SeattleTrondheim

SEA Seattle/Tacoma Intl - TRD Trondheim Vaernes

SEATRD

Seattle/Tacoma Intl

Mon 10/5

1:45 pm-4:35 pm

1 stop17h 50m

Trondheim Vaernes

Fri 10/9

6:00 am-11:52 am

1 stop14h 52m

$664

SeattleTrondheim

SEA Seattle/Tacoma Intl - TRD Trondheim Vaernes

SEATRD

Seattle/Tacoma Intl

Mon 10/5

9:59 am-4:35 pm

2 stops21h 36m

Trondheim Vaernes

Fri 10/9

6:00 am-11:52 am

1 stop14h 52m

$668

SeattleTrondheim

SEA Seattle/Tacoma Intl - TRD Trondheim Vaernes

SEATRD

Seattle/Tacoma Intl

Sat 9/5

7:15 am-11:35 am

2 stops19h 20m

Trondheim Vaernes

Sat 9/12

5:30 am-6:30 pm

2 stops22h 00m

$768

SeattleTrondheim

SEA Seattle/Tacoma Intl - TRD Trondheim Vaernes

SEATRD

Seattle/Tacoma Intl

Mon 9/14

5:45 pm-4:35 pm

1 stop13h 50m

Trondheim Vaernes

Wed 9/30

6:00 am-4:44 pm

2 stops19h 44m

$774

SeattleTrondheim

SEA Seattle/Tacoma Intl - TRD Trondheim Vaernes

SEATRD

Seattle/Tacoma Intl

Thu 9/3

8:00 am-10:45 pm

3 stops29h 45m

Trondheim Vaernes

Tue 9/15

6:25 pm-11:55 am

3 stops26h 30m

$822

SeattleTrondheim

SEA Seattle/Tacoma Intl - TRD Trondheim Vaernes

SEATRD

Seattle/Tacoma Intl

Fri 10/16

12:30 pm-12:50 pm

2 stops39h 20m

Trondheim Vaernes

Tue 10/20

4:55 pm-11:04 pm

2 stops39h 09m

$829

SeattleTrondheim

SEA Seattle/Tacoma Intl - TRD Trondheim Vaernes

SEATRD

Seattle/Tacoma Intl

Mon 10/5

7:16 am-12:25 pm

3 stops20h 09m

Trondheim Vaernes

Fri 10/9

6:25 am-1:45 pm

2 stops16h 20m

$851

SeattleTrondheim

SEA Seattle/Tacoma Intl - TRD Trondheim Vaernes

SEATRD

Seattle/Tacoma Intl

Mon 9/14

5:45 pm-10:50 pm

1 stop20h 05m

Trondheim Vaernes

Wed 9/30

6:00 am-11:47 am

1 stop14h 47m

$997

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington to Trondheim

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Washington to Trondheim Vaernes?

Delta is the most popular carrier operating from Washington to Trondheim Vaernes

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

Fastest flight time	30h 17m
Direct flights	None

The fastest flight from State of Washington to Trondheim takes 30h 17m

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 August 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 1,555 reviews		Search KLM flights

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.