In terms of precipitation, rainfall in Alaska ranges from 0.5 - 3.3 inches per month. August is typically the wettest month, when rainfall can reach 3.3 in. April is typically the driest time to visit Alaska when rainfall is around 0.5 in.

If weather is an important factor for your trip to Alaska, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 59.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 17.6 F).

What are the most popular routes from Washington, D.C. Dulles Intl Airport to Alaska?

While some choose either Washington, D.C. Dulles Intl - Fairbanks or Washington, D.C. Dulles Intl - Juneau Intl, Washington, D.C. Dulles Intl - Anchorage is the most popular route from Washington, D.C. Dulles Intl Airport to Alaska.

What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Alaska?

While on average a flight from Washington, D.C. Dulles Intl Airport to Alaska is generally $543, our data shows the cheapest flight currently is $304. When looking at the most popular route, (Washington, D.C. Dulles Intl - Anchorage), you can expect to pay $399 for that flight.

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Alaska?

Alaska Airlines, Delta and Sun Country Air are the most popular airlines when flying from Washington, D.C. Dulles Intl Airport to Alaska.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Alaska?

Travelers have found it’s best to book a flight 47 days in advance to save up to 84% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 47 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington, D.C. Dulles Intl Airport to Alaska 1-2 weeks in advance for as low as $443, or $983 for flights within the next 24 hours.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Alaska?

Flights from Washington, D.C. Dulles Intl Airport to Alaska lean towards being more expensive in February. Prices are generally better when you fly from Washington, D.C. Dulles Intl Airport to Alaska in January, with the cheapest ticket starting at $429.

Can I find deals for flights from Dulles Intl to Alaska that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Alaska flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Alaska?

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

Can I find deals for business class flights from Dulles Intl to Alaska?

Yes. Cheapflights offers flight deals from Dulles Intl to Alaska by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$165+ Cheap Flights from Washington, D.C. Dulles Intl Airport to Alaska

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Cheap flight deals from Dulles Intl to Alaska

Round-trip from	$307 (Delta)
One-way from	$165 (Delta)
Popular in	February
Cheapest in	January
Average price	$706
Good round-trip deal	$706 or less
Good one-way deal	$354 or less

From Washington, D.C. Dulles Intl to Alaska

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One-way flight from Washington, D.C. Dulles Intl to Alaska

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Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Alaska.

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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Alaska.

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Find flight deals from Dulles Intl to Alaska

Cheapest flights from Dulles Intl to Alaska
Explore the most affordable flight options available from Dulles Intl to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Fri 9/267:35 amIAD - JNU

1 stop14h 38mDelta

Mon 10/67:07 amJNU - IAD

1 stop13h 33mDelta

Deal found 8/14

$307

Tue 9/169:50 amIAD - JNU

2 stops12h 23mDelta

Sat 9/207:05 amJNU - IAD

2 stops12h 21mDelta

Deal found 8/14

$318

Fri 10/247:35 amIAD - JNU

1 stop13h 58mDelta

Sun 10/267:07 amJNU - IAD

1 stop13h 33mDelta

Deal found 8/14

$325

Sun 8/317:35 amIAD - JNU

1 stop14h 36mDelta

Thu 9/47:05 amJNU - IAD

2 stops12h 21mDelta

Deal found 8/12

$330

Sat 8/306:15 pmIAD - JNU

2 stops27h 56mDelta

Wed 9/37:05 amJNU - IAD

1 stop18h 50mDelta

Deal found 8/14

$351

Mon 9/87:35 amIAD - JNU

1 stop14h 36mDelta

Mon 9/157:05 amJNU - IAD

2 stops13h 08mDelta

Deal found 8/13

$360

Sat 9/279:00 amIAD - ANC

1 stop12h 43mAlaska Airlines

Sat 10/48:00 amANC - IAD

1 stop12h 23mAlaska Airlines

Deal found 8/13

$423

Thu 9/116:09 pmIAD - ANC

1 stop11h 34mMultiple Airlines

Sat 9/131:59 amANC - IAD

2 stops30h 56mMultiple Airlines

Deal found 8/14

$424

Sat 9/276:09 pmIAD - FAI

1 stop10h 39mAlaska Airlines

Sat 10/45:00 amFAI - IAD

2 stops15h 23mAlaska Airlines

Deal found 8/13

$425

Wed 9/177:00 amIAD - ANC

1 stop11h 59mAlaska Airlines

Wed 9/244:46 pmANC - IAD

1 stop10h 47mAlaska Airlines

Deal found 8/14

$426

Thu 9/111:15 pmIAD - FAI

1 stop10h 33mUnited Airlines

Wed 9/2411:23 pmFAI - IAD

1 stop10h 05mUnited Airlines

Deal found 8/14

$427

Sat 9/66:09 pmIAD - ANC

1 stop10h 48mHawaiian Airlines

Wed 9/103:50 pmANC - IAD

1 stop11h 43mHawaiian Airlines

Deal found 8/13

$427

Best flights from Dulles Intl to Alaska
Discover carefully curated flight deals from Dulles Intl to Alaska that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Sat 9/277:35 amIAD - JNU

1 stop14h 38mDelta

Mon 10/67:07 amJNU - IAD

1 stop13h 33mDelta

Deal found 8/13

$307

Sat 9/279:00 amIAD - ANC

1 stop12h 43mAlaska Airlines

Sat 10/48:00 amANC - IAD

1 stop12h 23mAlaska Airlines

Deal found 8/13

$423

Wed 9/176:09 pmIAD - ANC

1 stop12h 38mHawaiian Airlines

Mon 9/225:59 pmANC - IAD

1 stop9h 34mHawaiian Airlines

Deal found 8/14

$426

Wed 9/1012:35 pmIAD - FAI

1 stop10h 59mUnited Airlines

Wed 9/178:53 pmFAI - IAD

1 stop11h 02mUnited Airlines

Deal found 8/12

$427

Fri 9/267:35 amIAD - JNU

1 stop14h 38mDelta

Mon 10/67:07 amJNU - IAD

1 stop13h 33mDelta

Deal found 8/13

$307

Tue 9/167:35 amIAD - JNU

1 stop14h 38mDelta

Sat 9/207:05 amJNU - IAD

2 stops12h 21mDelta

Deal found 8/14

$312

Sat 9/276:09 pmIAD - FAI

1 stop10h 39mAlaska Airlines

Sat 10/45:00 amFAI - IAD

2 stops15h 23mAlaska Airlines

Deal found 8/13

$425

Mon 9/156:09 pmIAD - ANC

1 stop12h 38mHawaiian Airlines

Sat 9/203:59 pmANC - IAD

1 stop11h 34mHawaiian Airlines

Deal found 8/14

$426

Tue 12/237:33 amIAD - KTN

1 stop16h 14mAmerican Airlines

Sun 12/285:45 pmKTN - IAD

2 stops10h 59mAmerican Airlines

Deal found 8/14

$870

Sat 9/207:00 amIAD - ANC

1 stop11h 32mAlaska Airlines

Tue 9/234:46 pmANC - IAD

1 stop10h 47mAlaska Airlines

Deal found 8/12

$426

Tue 9/96:09 pmIAD - ANC

1 stop10h 48mHawaiian Airlines

Tue 9/169:40 amANC - IAD

1 stop10h 43mHawaiian Airlines

Deal found 8/13

$426

Fri 9/127:05 pmIAD - ANC

1 stop10h 31mDelta

Sat 9/202:15 pmANC - IAD

1 stop11h 46mDelta

Deal found 8/13

$426

Last-minute flights from Dulles Intl to Alaska
Discover last-minute flight deals from Dulles Intl to Alaska. Data last updated August 14, 2025 and is based on user searches.

Wed 8/206:15 amIAD - ANC

1 stop19h 05mDelta

Tue 8/262:23 pmANC - IAD

1 stop11h 32mDelta

Deal found 8/12

$810

Thu 8/217:35 amIAD - JNU

1 stop14h 36mDelta

Tue 8/267:05 amJNU - IAD

2 stops12h 21mDelta

Deal found 8/14

$692

Thu 8/217:00 amIAD - JNU

1 stop10h 14mAlaska Airlines

Tue 8/2612:29 pmJNU - IAD

1 stop15h 03mAlaska Airlines

Deal found 8/14

$813

Fri 8/229:50 amIAD - ANC

1 stop15h 05mDelta

Tue 9/25:19 pmANC - IAD

2 stops14h 13mDelta

Deal found 8/12

$720

Fri 8/227:00 amIAD - ANC

1 stop11h 10mAlaska Airlines

Tue 9/23:50 pmANC - IAD

1 stop11h 43mAlaska Airlines

Deal found 8/12

$721

Fri 8/225:43 pmIAD - ANC

Nonstop7h 43mUnited Airlines

Sat 9/132:11 pmANC - IAD

1 stop11h 13mUnited Airlines

Deal found 8/12

$771

Fri 8/229:00 amIAD - ANC

1 stop10h 46mAlaska Airlines

Fri 9/1212:34 amANC - IAD

1 stop19h 49mAlaska Airlines

Deal found 8/12

$780

Sat 8/231:00 pmIAD - ANC

1 stop11h 55mDelta

Wed 9/172:15 pmANC - IAD

1 stop11h 46mDelta

Deal found 8/13

$676

Sun 8/2412:06 pmIAD - ANC

1 stop28h 15mSun Country Air

Thu 8/281:25 pmANC - IAD

1 stop19h 08mSun Country Air

Deal found 8/12

$571

Sun 8/2410:22 amIAD - ANC

2 stops18h 03mMultiple Airlines

Sat 8/3010:30 amANC - IAD

1 stop9h 50mMultiple Airlines

Deal found 8/13

$715

Sun 8/246:09 pmIAD - FAI

1 stop12h 36mAlaska Airlines

Sat 8/303:59 pmFAI - IAD

1 stop11h 33mAlaska Airlines

Deal found 8/14

$827

Sun 8/241:15 pmIAD - FAI

1 stop10h 33mUnited Airlines

Fri 8/2911:23 pmFAI - IAD

2 stops14h 07mUnited Airlines

Deal found 8/14

$832

One-way flights from Dulles Intl to Alaska
Search for one-way flight options from Dulles Intl to Alaska. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Mon 9/156:00 amIAD - JNU

2 stops16h 13mDelta

Deal found 8/14

$165

Wed 8/277:35 amIAD - JNU

1 stop14h 36mDelta

Deal found 8/13

$172

Sat 9/276:09 pmIAD - ANC

1 stop11h 34mAlaska Airlines

Deal found 8/14

$192

Wed 9/109:15 amIAD - ANC

2 stops21h 32mMultiple Airlines

Deal found 8/14

$202

Wed 9/39:30 amIAD - ANC

2 stops18h 55mMultiple Airlines

Deal found 8/14

$203

Sat 9/136:09 pmIAD - ANC

1 stop11h 34mHawaiian Airlines

Deal found 8/14

$211

Wed 9/106:09 pmIAD - ANC

1 stop12h 38mHawaiian Airlines

Deal found 8/14

$212

Fri 9/127:35 amIAD - FAI

1 stop10h 33mDelta

Deal found 8/13

$214

Tue 9/97:35 amIAD - ANC

1 stop16h 42mDelta

Deal found 8/14

$214

Wed 9/176:00 amIAD - ANC

2 stops14h 20mDelta

Deal found 8/14

$219

Wed 9/37:35 amIAD - ANC

1 stop16h 42mDelta

Deal found 8/14

$221

Sat 9/131:00 pmIAD - ANC

2 stops16h 37mDelta

Deal found 8/13

$225

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Alaska that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Juneau

IAD - JNU

IADJNU

Washington, D.C. Dulles Intl

Sat 9/27

7:35 am-6:13 pm

1 stop14h 38m

Juneau Intl

Mon 10/6

7:07 am-12:40 am

1 stop13h 33m

$307

Washington, D.C.Juneau

IAD - JNU

IADJNU

Washington, D.C. Dulles Intl

Fri 9/26

7:35 am-6:13 pm

1 stop14h 38m

Juneau Intl

Mon 10/6

7:07 am-12:40 am

1 stop13h 33m

$307

Washington, D.C.Juneau

IAD - JNU

IADJNU

Washington, D.C. Dulles Intl

Tue 9/16

7:35 am-6:13 pm

1 stop14h 38m

Juneau Intl

Sat 9/20

7:05 am-11:26 pm

2 stops12h 21m

$312

Washington, D.C.Anchorage

IAD - ANC

IADANC

Washington, D.C. Dulles Intl

Sat 9/27

9:00 am-5:43 pm

1 stop12h 43m

Anchorage

Sat 10/4

8:00 am-12:23 am

1 stop12h 23m

$423

Washington, D.C.Fairbanks

IAD - FAI

IADFAI

Washington, D.C. Dulles Intl

Sat 9/27

6:09 pm-12:48 am

1 stop10h 39m

Fairbanks

Sat 10/4

5:00 am-12:23 am

2 stops15h 23m

$425

Washington, D.C.Anchorage

IAD - ANC

IADANC

Washington, D.C. Dulles Intl

Wed 9/17

6:09 pm-2:47 am

1 stop12h 38m

Anchorage

Mon 9/22

5:59 pm-7:33 am

1 stop9h 34m

$426

Washington, D.C.Anchorage

IAD - ANC

IADANC

Washington, D.C. Dulles Intl

Mon 9/15

6:09 pm-2:47 am

1 stop12h 38m

Anchorage

Sat 9/20

3:59 pm-7:33 am

1 stop11h 34m

$426

Washington, D.C.Anchorage

IAD - ANC

IADANC

Washington, D.C. Dulles Intl

Sat 9/20

7:00 am-2:32 pm

1 stop11h 32m

Anchorage

Tue 9/23

4:46 pm-7:33 am

1 stop10h 47m

$426

Washington, D.C.Anchorage

IAD - ANC

IADANC

Washington, D.C. Dulles Intl

Tue 9/9

6:09 pm-12:57 am

1 stop10h 48m

Anchorage

Tue 9/16

9:40 am-12:23 am

1 stop10h 43m

$426

Washington, D.C.Anchorage

IAD - ANC

IADANC

Washington, D.C. Dulles Intl

Fri 9/12

7:05 pm-1:36 am

1 stop10h 31m

Anchorage

Sat 9/20

2:15 pm-6:01 am

1 stop11h 46m

$426

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 54 results

...

Best time to book a flight from Dulles Intl to Alaska

Have a flexible travel schedule? Discover the best time to fly to Alaska from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Alaska

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Alaska?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Alaska (average of $456). Flying from Washington, D.C. Dulles Intl Airport to Alaska in July is currently the most expensive (average of $643). 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 IAD to AK?

When flying from Washington, D.C. Dulles Intl Airport to Alaska, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Alaska

The most flights from IAD to USAK are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Alaska

Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from Washington, D.C. Dulles Intl Airport to Alaska by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Delta

8.0

Very good

7,980 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

United Airlines

7.4

Good

8,916 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Sun Country Air

6.9

Okay

333 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Related info for your journey

What are the most popular routes from Washington, D.C. Dulles Intl Airport to Alaska?
While some choose either Washington, D.C. Dulles Intl - Fairbanks or Washington, D.C. Dulles Intl - Juneau Intl, Washington, D.C. Dulles Intl - Anchorage is the most popular route from Washington, D.C. Dulles Intl Airport to Alaska.
What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Alaska?
While on average a flight from Washington, D.C. Dulles Intl Airport to Alaska is generally $543, our data shows the cheapest flight currently is $304. When looking at the most popular route, (Washington, D.C. Dulles Intl - Anchorage), you can expect to pay $399 for that flight.
Can I find deals for flights from Dulles Intl to Alaska that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Alaska flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Alaska?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Alaska.
Can I find deals for business class flights from Dulles Intl to Alaska?
Yes. Cheapflights offers flight deals from Dulles Intl to Alaska 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 Washington, D.C. Dulles Intl Airport to Alaska?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Alaska (average of $456). Flying from Washington, D.C. Dulles Intl Airport to Alaska in July is currently the most expensive (average of $643). 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 Dulles Intl to Alaska

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Top 4 airlines flying from Dulles Intl to Alaska

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$316	Average$639	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$329	Average$681	FlexibilityNo cancel fee	On-time75%
Sun Country Air	Cheapest$363	Average$515	FlexibilityNo cancel fee	On-time83%
United Airlines	Cheapest$597	Average$813	FlexibilityNo cancel fee	On-time69%

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$165+ Cheap flights from Dulles Intl (IAD) to Alaska

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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Dulles Intl to Alaska

Keep the following information in mind while searching for Dulles Intl to Alaska flight deals. Data was last updated August 14, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Dulles Intl to Alaska

Cheapest flights from Dulles Intl to AlaskaExplore the most affordable flight options available from Dulles Intl to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Explore the most affordable flight options available from Dulles Intl to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Alaska that are best for you.

Best time to book a flight from Dulles Intl to Alaska

Have a flexible travel schedule? Discover the best time to fly to Alaska from Dulles Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Alaska

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Alaska?

What is the cheapest time of day to fly from IAD to AK?

Find hourly flight availability from Dulles Intl to Alaska. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Alaska

Explore weekly flight availability from Dulles Intl to Alaska. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 14, 2025.

Reviews of airlines servicing Alaska

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Alaska. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the most popular routes from Washington, D.C. Dulles Intl Airport to Alaska?

What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Alaska?

Can I find deals for flights from Dulles Intl to Alaska that include hotel bookings?

How can I find direct flights from Dulles Intl to Alaska?

Can I find deals for business class flights from Dulles Intl to Alaska?

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Alaska?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Alaska

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Dulles Intl to Alaska

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Cheapest flights from Dulles Intl to Alaska
Explore the most affordable flight options available from Dulles Intl to Alaska. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.