What is the cheapest airline that flies from Duluth Intl to Washington?

Delta and United Airlines are the most popular carriers operating from Duluth Intl to Washington

When did momondo last update prices for flights from Duluth Intl Airport to Washington?

Prices for flights from Duluth Intl Airport to Washington are refreshed on a daily basis.

How many operators does momondo search for flights from Duluth Intl Airport to Washington?

There are 2 operators available for flights from Duluth Intl Airport to Washington as of July 2026.

How old do you have to be to fly from Duluth Intl Airport to Washington?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Duluth Intl Airport to Washington.

What documentation or ID do you need to fly to Washington?

The required travel and health documents for your Washington 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 Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$313 Cheap Flights from Duluth to Washington in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Duluth to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:11 pm - 10:00 pm

DLH

SEA

7h 49m

1 stop

6:05 am - 3:31 pm

SEA

DLH

7h 26m

1 stop

$318Delta

Tue, Sep 1 - Sat, Sep 5

7:45 am - 7:08 pm

DLH

SEA

13h 23m

2 stops

1:57 pm - 11:22 pm

SEA

DLH

7h 25m

1 stop

$324United Airlines

Wed, Aug 26 - Tue, Sep 1

3:10 pm - 10:56 pm

DLH

SEA

9h 46m

1 stop

11:13 pm - 10:40 am

SEA

DLH

9h 27m

1 stop

$331United Airlines

Fri, Oct 2 - Mon, Oct 5

11:41 am - 5:00 pm

DLH

SEA

7h 19m

1 stop

6:05 am - 3:31 pm

SEA

DLH

7h 26m

1 stop

$343Delta

Tue, Sep 1 - Sat, Sep 5

3:10 pm - 10:56 pm

DLH

SEA

9h 46m

1 stop

8:29 pm - 10:40 am

SEA

DLH

12h 11m

2 stops

$349United Airlines

Fri, Oct 2 - Mon, Oct 5

11:41 am - 5:34 pm

DLH

PDX

7h 53m

1 stop

6:00 am - 3:29 pm

PDX

DLH

7h 29m

1 stop

$356Delta

Wed, Sep 2 - Tue, Sep 8

3:11 pm - 12:37 am

DLH

PDX

11h 26m

2 stops

11:02 pm - 10:42 am

PDX

DLH

9h 40m

1 stop

$383United Airlines

Fri, Aug 28 - Mon, Aug 31

7:45 am - 4:14 pm

DLH

SEA

10h 29m

2 stops

11:03 am - 11:22 pm

SEA

DLH

10h 19m

2 stops

$407United Airlines

Wed, Aug 26 - Tue, Sep 1

7:45 am - 4:07 pm

DLH

SEA

10h 22m

1 stop

11:00 pm - 10:42 am

SEA

DLH

9h 42m

1 stop

$408United Airlines

Tue, Sep 1 - Sat, Sep 5

7:45 am - 4:14 pm

DLH

SEA

10h 29m

2 stops

11:00 pm - 10:42 am

SEA

DLH

9h 42m

1 stop

$414United Airlines

Tue, Sep 1 - Sat, Sep 5

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

United Airlines flights from Duluth to State of Washington

Our best United Airlines deals on Duluth to State of Washington flight tickets

United Airlines

Aug 26

DLH7:45 amDuluth Intl

13h 23m

2 stops

SEA7:08 pmSeattle/Tacoma Intl

Sep 1

SEA1:57 pmSeattle/Tacoma Intl

7h 25m

1 stop

DLH11:22 pmDuluth Intl

$324

United Airlines

Oct 2

DLH3:10 pmDuluth Intl

9h 46m

1 stop

SEA10:56 pmSeattle/Tacoma Intl

Oct 5

SEA11:13 pmSeattle/Tacoma Intl

9h 27m

1 stop

DLH10:40 amDuluth Intl

$331

United Airlines

Oct 2

DLH3:10 pmDuluth Intl

9h 46m

1 stop

SEA10:56 pmSeattle/Tacoma Intl

Oct 5

SEA8:29 pmSeattle/Tacoma Intl

12h 11m

2 stops

DLH10:40 amDuluth Intl

$349

Delta flights from Duluth to State of Washington

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

Delta

Sep 1

DLH4:11 pmDuluth Intl

7h 49m

1 stop

SEA10:00 pmSeattle/Tacoma Intl

Sep 5

SEA6:05 amSeattle/Tacoma Intl

7h 26m

1 stop

DLH3:31 pmDuluth Intl

$318

Delta

Sep 1

DLH11:41 amDuluth Intl

7h 19m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

Sep 5

SEA6:05 amSeattle/Tacoma Intl

7h 26m

1 stop

DLH3:31 pmDuluth Intl

$343

Delta

Sep 2

DLH11:41 amDuluth Intl

7h 53m

1 stop

PDX5:34 pmPortland

Sep 8

PDX6:00 amPortland

7h 29m

1 stop

DLH3:29 pmDuluth Intl

$356

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DuluthSeattle

DLH - SEA

DLHSEA

Duluth Intl

Tue 9/1

4:11 pm-10:00 pm

1 stop7h 49m

Seattle/Tacoma Intl

Sat 9/5

6:05 am-3:31 pm

1 stop7h 26m

$318

DuluthSeattle

DLH - SEA

DLHSEA

Duluth Intl

Wed 8/26

7:45 am-7:08 pm

2 stops13h 23m

Seattle/Tacoma Intl

Tue 9/1

1:57 pm-11:22 pm

1 stop7h 25m

$324

DuluthSeattle

DLH - SEA

DLHSEA

Duluth Intl

Fri 10/2

3:10 pm-10:56 pm

1 stop9h 46m

Seattle/Tacoma Intl

Mon 10/5

11:13 pm-10:40 am

1 stop9h 27m

$331

Quickest round-trip

DuluthSeattle

DLH - SEA

DLHSEA

Duluth Intl

Tue 9/1

11:41 am-5:00 pm

1 stop7h 19m

Seattle/Tacoma Intl

Sat 9/5

6:05 am-3:31 pm

1 stop7h 26m

$343

DuluthSeattle

DLH - SEA

DLHSEA

Duluth Intl

Fri 10/2

3:10 pm-10:56 pm

1 stop9h 46m

Seattle/Tacoma Intl

Mon 10/5

8:29 pm-10:40 am

2 stops12h 11m

$349

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Wed 9/2

11:41 am-5:34 pm

1 stop7h 53m

Portland

Tue 9/8

6:00 am-3:29 pm

1 stop7h 29m

$356

DuluthPortland

DLH - PDX

DLHPDX

Duluth Intl

Fri 8/28

3:11 pm-12:37 am

2 stops11h 26m

Portland

Mon 8/31

11:02 pm-10:42 am

1 stop9h 40m

$383

DuluthSeattle

DLH - SEA

DLHSEA

Duluth Intl

Wed 8/26

7:45 am-4:14 pm

2 stops10h 29m

Seattle/Tacoma Intl

Tue 9/1

11:03 am-11:22 pm

2 stops10h 19m

$407

DuluthSeattle

DLH - SEA

DLHSEA

Duluth Intl

Tue 9/1

7:45 am-4:07 pm

1 stop10h 22m

Seattle/Tacoma Intl

Sat 9/5

11:00 pm-10:42 am

1 stop9h 42m

$408

DuluthSeattle

DLH - SEA

DLHSEA

Duluth Intl

Tue 9/1

7:45 am-4:14 pm

2 stops10h 29m

Seattle/Tacoma Intl

Sat 9/5

11:00 pm-10:42 am

1 stop9h 42m

$414

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

Can stopping save me money on Duluth to State of Washington flights?

You could potentially save up to 59% on your flight if you consider stops on a Duluth to State of Washington flight.

Cheap Duluth to State of Washington flight deals and tips

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

Fastest flight time	6h 08m
Direct flights	None

The fastest flight from Duluth to State of Washington takes 6h 08m

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

Search flight deals

Frequently asked questions about flying from Duluth to Washington

When did momondo last update prices for flights from Duluth Intl Airport to Washington?
Prices for flights from Duluth Intl Airport to Washington are refreshed on a daily basis.
How many operators does momondo search for flights from Duluth Intl Airport to Washington?
There are 2 operators available for flights from Duluth Intl Airport to Washington as of July 2026.
How old do you have to be to fly from Duluth Intl Airport to Washington?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Duluth Intl Airport to Washington.
What documentation or ID do you need to fly to Washington?
The required travel and health documents for your Washington 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 Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Duluth to State of Washington

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.4 9,976 reviews		Search United Airlines flights
Delta	PriceFrom $258	Free Cancellation	Rating 7.8 8,457 reviews		Search Delta flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Duluth to Washington for you.

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

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

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

momondo provides multiple filters to help you find the best flight to Washington from Duluth. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Washington from Duluth are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.